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151ou!â <br>â Kent Beck<br> 152 </blockquote> 153 <br> 154 <blockquote> 155 âExcellent new thinking on Domain-Driven Design, full of real practical experience in getting 156 the most 157 value from domain modelling. Like the Eric Evans' DDD book, this gives more insight each time 158 you read 159 it.â â Ian Russell<br> 160 </blockquote> 161 </div> 162 </div> 163 </div> 164</section> 165</section> 166 167<!-- http://stackoverflow.com/a/20777475/432982 --> 168<a id="blog"></a> 169<section class="section"> 170 <div class="container"> 171 <div class="column is-desktop is-8 is-offset-2"> 172 <h1 class="title">Blog</h1> 173 174 175 176 177 <div> 178 <div class="divider is-size-7">2026</div> 179 </div> 180 181 182 <div class="block"> 183 <p class="p-5"> 184 <a href="/2026/07/loosely-coupled-podcast/"> 185 <span class="has-text-grey-darker is-size-5">Loosely Coupled: Is Software Design Still Relevant?</span> 186 <br> 187 188 189 190 <span class="tag is-size-7 is-success is-light">Podcast</span> 191 192 193 <span class="has-text-grey is-size-6">Podcast with Martin Fowler, Xin Yao, Andrew Harmel-Law, and Mathias Verraes</span> 194 195 196 </a> 197 </p> 198 </div> 199 200 201 202 203 <div class="block"> 204 <p class="p-5"> 205 <a href="/2026/07/software-design-in-the-agentic-age/"> 206 <span class="has-text-grey-darker is-size-5">Software Design in the Agentic Age: Place Your Bets</span> 207 <br> 208 209 210 <span class="tag is-size-7 is-info is-light">Article</span> 211 212 213 214 <span class="has-text-grey is-size-6">An evaluation of the role of software design in retrospect of Thoughtworks' Future of Software Engineering retreat.</span> 215 216 217 </a> 218 </p> 219 </div> 220 221 222 223 224 <div> 225 <div class="divider is-size-7">2025</div> 226 </div> 227 228 229 <div class="block"> 230 <p class="p-5"> 231 <a href="/2025/08/domain-and-bounded-contexts-dont-map-one-on-one/"> 232 <span class="has-text-grey-darker is-size-5">No, Your Domains and Bounded Contexts Donât Map 1 on 1</span> 233 <br> 234 235 236 <span class="tag is-size-7 is-info is-light">Article</span> 237 238 239 240 <span class="has-text-grey is-size-6">Bounded Contexts are a design choice to suit engineering needs</span> 241 242 243 </a> 244 </p> 245 </div> 246 247 248 249 250 <div class="block"> 251 <p class="p-5"> 252 <a href="/2025/08/two-hard-problems-with-distributed-systems/"> 253 <span class="has-text-grey-darker is-size-5">Two Hard Problems with Distributed Systems</span> 254 <br> 255 256 257 <span class="tag is-size-7 is-info is-light">Article</span> 258 259 260
261 <span class="has-text-grey is-size-6">A joke</span> 262 263 264 </a> 265 </p> 266 </div> 267 268 269 270 271 <div class="block"> 272 <p class="p-5"> 273 <a href="/2025/06/submitting-talks-to-conference-cfps/"> 274 <span class="has-text-grey-darker is-size-5">Submitting talks to a tech conference Call for Papers</span> 275 <br> 276 277 278 <span class="tag is-size-7 is-info is-light">Article</span> 279 280 281 282 <span class="has-text-grey is-size-6">My 20+ tips as a conference organiser</span> 283 284 285 </a> 286 </p> 287 </div> 288 289 290 291 292 <div> 293 <div class="divider is-size-7">2024</div> 294 </div> 295 296 297 <div class="block"> 298 <p class="p-5"> 299 <a href="/2024/03/how-to-fix-a-bug-tests-hypotheses-timeboxes/"> 300 <span class="has-text-grey-darker is-size-5">How to Fix a Bug: Tests, Hypotheses, Timeboxes</span> 301 <br> 302 303 304 <span class="tag is-size-7 is-info is-light">Article</span> 305 306 307 308 <span class="has-text-grey is-size-6">An efficient process for fixing bugs that saves times and reduces regressions.</span> 309 310 311 </a> 312 </p> 313 </div> 314 315 316 317 318 <div class="block"> 319 <p class="p-5"> 320 <a href="/2024/01/critical-software-redesign/"> 321 <span class="has-text-grey-darker is-size-5">Critical Software Redesign: Creating the Environment for Large Scale Change</span> 322 <br> 323 324 325 <span class="tag is-size-7 is-info is-light">Article</span> 326 327 328 329 <span class="has-text-grey is-size-6">When do you choose to do a major redesign, and how to do you prepare your organisation for it to succeed?</span> 330 331 332 <br><span class="has-text-grey is-size-7">â by Mathias Verraes and Rebecca Wirfs-Brock</span> 333 334 </a> 335 </p> 336 </div> 337 338 339 340 341 <div> 342 <div class="divider is-size-7">2023</div> 343 </div> 344 345 346 <div class="block"> 347 <p class="p-5"> 348 <a href="/2023/07/surfacing-worldviews-in-design/"> 349 <span class="has-text-grey-darker is-size-5">Surfacing Worldviews in Design</span> 350 <br> 351 352 353 <span class="tag is-size-7 is-info is-light">Article</span> 354 355 356 357 <span class="has-text-grey is-size-6">Implicit worldviews underlie our design choices. Exposing them can generate better options.</span> 358 359 360 <br><span class="has-text-grey is-size-7">â by Mathias Verraes and Rebecca Wirfs-Brock</span> 361 362 </a> 363 </p> 364 </div> 365 366 367 368 369 <div class="block"> 370 <p class="p-5"> 371 <a href="/2023/05/eventsourcing-testing-patterns/">
372 <span class="has-text-grey-darker is-size-5">EventSourcing Testing Patterns</span> 373 <br> 374 375 376 <span class="tag is-size-7 is-info is-light">Article</span> 377 378 379 380 <span class="has-text-grey is-size-6"></span> 381 382 383 </a> 384 </p> 385 </div> 386 387 388 389 390 <div class="block"> 391 <p class="p-5"> 392 <a href="/2023/05/devjourney-podcast/"> 393 <span class="has-text-grey-darker is-size-5">From Music to Languages and Models (DevJourney Podcast)</span> 394 <br> 395 396 397 398 <span class="tag is-size-7 is-success is-light">Podcast</span> 399 400 401 <span class="has-text-grey is-size-6">Interview by Tim Bourguignon on the Software Developers Journey Podcast</span> 402 403 404 </a> 405 </p> 406 </div> 407 408 409 410 411 <div class="block"> 412 <p class="p-5"> 413 <a href="/2023/04/parser-combinators-full-stack-europe/"> 414 <span class="has-text-grey-darker is-size-5">Parser Combinators (Full Stack Europe)</span> 415 <br> 416 417 <span class="tag is-size-7 is-warning is-light">Presentation</span> 418 419 420 421 422 <span class="has-text-grey is-size-6">Improvised presentation on building a parser using pure functional programming in PHP.</span> 423 424 425 </a> 426 </p> 427 </div> 428 429 430 431 432 <div class="block"> 433 <p class="p-5"> 434 <a href="/2023/03/bounded-contexts-manage-understandability-ddd-australia/"> 435 <span class="has-text-grey-darker is-size-5">Bounded Contexts: Manage the Understandability of Your Systems (DDD Australia)</span> 436 <br> 437 438 <span class="tag is-size-7 is-warning is-light">Presentation</span> 439 440 441 442 443 <span class="has-text-grey is-size-6">Understandability boundaries are separations that look at how concepts in our system are understood together (or autonomously).</span> 444 445 446 </a> 447 </p> 448 </div> 449 450 451 452 453 <div class="block"> 454 <p class="p-5"> 455 <a href="/2023/02/software-design-scaleups-startups-.md/"> 456 <span class="has-text-grey-darker is-size-5">Software Design for Startups and Scaleups</span> 457 <br> 458 459 460 461 <span class="tag is-size-7 is-success is-light">Podcast</span> 462 463 464 <span class="has-text-grey is-size-6">Interview by Tom Klaasen, Software Captains founder</span> 465 466 467 </a> 468 </p> 469 </div> 470 471 472 473 474 <div class="block"> 475 <p class="p-5"> 476 <a href="/2023/01/critically-engaging-with-models/"> 477 <span class="has-text-grey-darker is-size-5">Critically Engaging With Models (DDD Europe Keynote)</span> 478 <br> 479
480 <span class="tag is-size-7 is-warning is-light">Presentation</span> 481 482 483 484 485 <span class="has-text-grey is-size-6">Our worldviews are grown from other peopleâs models. How do we control what models we let in?</span> 486 487 488 <br><span class="has-text-grey is-size-7">â by Rebecca Wirfs-Brock and Mathias Verraes</span> 489 490 </a> 491 </p> 492 </div> 493 494 495 496 497 <div class="block"> 498 <p class="p-5"> 499 <a href="/2023/01/leanpub-podcast-design-reality/"> 500 <span class="has-text-grey-darker is-size-5">Design and Reality (Leanpub Podcast)</span> 501 <br> 502 503 504 505 <span class="tag is-size-7 is-success is-light">Podcast</span> 506 507 508 <span class="has-text-grey is-size-6">Interview by Len Epp, Leanpub co-founder</span> 509 510 511 </a> 512 </p> 513 </div> 514 515 516 517 518 <div> 519 <div class="divider is-size-7">2022</div> 520 </div> 521 522 523 <div class="block"> 524 <p class="p-5"> 525 <a href="/2022/09/critically-engaging-with-models/"> 526 <span class="has-text-grey-darker is-size-5">Critically Engaging With Models</span> 527 <br> 528 529 530 <span class="tag is-size-7 is-info is-light">Article</span> 531 532 533 534 <span class="has-text-grey is-size-6">Our worldviews are grown from other peopleâs models. How do we control what models we let in?</span> 535 536 537 <br><span class="has-text-grey is-size-7">â by Rebecca Wirfs-Brock and Mathias Verraes</span> 538 539 </a> 540 </p> 541 </div> 542 543 544 545 546 <div class="block"> 547 <p class="p-5"> 548 <a href="/2022/05/conways-law-vs-rigid-designs/"> 549 <span class="has-text-grey-darker is-size-5">Conwayâs Law Doesnât Apply to Rigid Designs</span> 550 <br> 551 552 553 <span class="tag is-size-7 is-info is-light">Article</span> 554 555 556 557 <span class="has-text-grey is-size-6">The impact of the Inverse Conway Manoeuvre is constrained by the flexibility of the system. A reorganisation canât fix a broken design.</span> 558 559 560 </a> 561 </p> 562 </div> 563 564 565 566 567 <div class="block"> 568 <p class="p-5"> 569 <a href="/2022/03/domain-driven-design-applied/"> 570 <span class="has-text-grey-darker is-size-5">Domain-Driven Design Applied</span> 571 <br> 572 573 574 575 <span class="tag is-size-7 is-success is-light">Podcast</span> 576 577 578 <span class="has-text-grey is-size-6">Podcast discussion with Alex BolboacÄ</span> 579 580 581 </a> 582 </p> 583 </div> 584 585 586 587 588 <div class="block"> 589 <p class="p-5"> 590 <a href="/2022/03/multi-temporal-events/">
591 <span class="has-text-grey-darker is-size-5">Eventsourcing Patterns: Multi-temporal Events</span> 592 <br> 593 594 595 <span class="tag is-size-7 is-info is-light">Article</span> 596 597 598 599 <span class="has-text-grey is-size-6">Within a Domain Event, use separate timestamps to distinguish when the event occurred and when it was captured.</span> 600 601 602 </a> 603 </p> 604 </div> 605 606 607 608 609 <div class="block"> 610 <p class="p-5"> 611 <a href="/2022/02/loss-aversion-heuristics/"> 612 <span class="has-text-grey-darker is-size-5">Loss Aversion Heuristics</span> 613 <br> 614 615 616 617 <span class="tag is-size-7 is-success is-light">Podcast</span> 618 619 620 <span class="has-text-grey is-size-6">Acknowledge your loss aversion bias to identify solutions that incur a loss</span> 621 622 623 </a> 624 </p> 625 </div> 626 627 628 629 630 <div class="block"> 631 <p class="p-5"> 632 <a href="/2022/02/design-and-reality-virtualddd/"> 633 <span class="has-text-grey-darker is-size-5">Design & Reality (VirtualDDD presentation)</span> 634 <br> 635 636 <span class="tag is-size-7 is-warning is-light">Presentation</span> 637 638 639 640 641 <span class="has-text-grey is-size-6">Modelling as the opportunity to create novel concepts.</span> 642 643 644 </a> 645 </p> 646 </div> 647 648 649 650 651 <div> 652 <div class="divider is-size-7">2021</div> 653 </div> 654 655 656 <div class="block"> 657 <p class="p-5"> 658 <a href="/2021/12/models-and-metaphors/"> 659 <span class="has-text-grey-darker is-size-5">Models and Metaphors</span> 660 <br> 661 662 663 <span class="tag is-size-7 is-info is-light">Article</span> 664 665 666 667 <span class="has-text-grey is-size-6">When a complex technical domain isnât easily captured in a model, look for metaphors that bring clarity.</span> 668 669 670 <br><span class="has-text-grey is-size-7">â by Mathias Verraes and Rebecca Wirfs-Brock</span> 671 672 </a> 673 </p> 674 </div> 675 676 677 678 679 <div class="block"> 680 <p class="p-5"> 681 <a href="/2021/09/bounded-context-podcast/"> 682 <span class="has-text-grey-darker is-size-5">Bounded Context Podcast</span> 683 <br> 684 685 686 687 <span class="tag is-size-7 is-success is-light">Podcast</span> 688 689 690 <span class="has-text-grey is-size-6">Conversation with Ryan Shriver</span> 691 692 693 </a> 694 </p> 695 </div> 696 697 698 699 700 <div class="block"> 701 <p class="p-5">
702 <a href="/2021/09/what-is-domain-driven-design-ddd/"> 703 <span class="has-text-grey-darker is-size-5">What is Domain-Driven Design (DDD)</span> 704 <br> 705 706 707 <span class="tag is-size-7 is-info is-light">Article</span> 708 709 710 711 <span class="has-text-grey is-size-6">A definition of DDD as a software design discipline</span> 712 713 714 </a> 715 </p> 716 </div> 717 718 719 720 721 <div class="block"> 722 <p class="p-5"> 723 <a href="/2021/09/design-and-reality/"> 724 <span class="has-text-grey-darker is-size-5">Design and Reality</span> 725 <br> 726 727 728 <span class="tag is-size-7 is-info is-light">Article</span> 729 730 731 732 <span class="has-text-grey is-size-6">Reframing the problem through design.</span> 733 734 735 <br><span class="has-text-grey is-size-7">â by Mathias Verraes and Rebecca Wirfs-Brock</span> 736 737 </a> 738 </p> 739 </div> 740 741 742 743 744 <div class="block"> 745 <p class="p-5"> 746 <a href="/2021/06/split-domain-across-bounded-contexts/"> 747 <span class="has-text-grey-darker is-size-5">Splitting a Domain Across Multiple Bounded Contexts</span> 748 <br> 749 750 751 <span class="tag is-size-7 is-info is-light">Article</span> 752 753 754 755 <span class="has-text-grey is-size-6">How designing for business opportunities and the rate of change may give you better contexts.</span> 756 757 758 <br><span class="has-text-grey is-size-7">â by Mathias Verraes and Rebecca Wirfs-Brock</span> 759 760 </a> 761 </p> 762 </div> 763 764 765 766 767 <div class="block"> 768 <p class="p-5"> 769 <a href="/2021/05/its-just-like-heuristic/"> 770 <span class="has-text-grey-darker is-size-5">The âIt's Just Like...â Heuristic</span> 771 <br> 772 773 774 <span class="tag is-size-7 is-info is-light">Article</span> 775 776 777 778 <span class="has-text-grey is-size-6">Why feeling that you understand a new idea, is a sign that you didn't.</span> 779 780 781 </a> 782 </p> 783 </div> 784 785 786 787 788 <div class="block"> 789 <p class="p-5"> 790 <a href="/2021/04/simple-models-scaffolding-enabling-constraints/"> 791 <span class="has-text-grey-darker is-size-5">Simple Models, Scaffolding, Enabling Constraints</span> 792 <br> 793 794 795 <span class="tag is-size-7 is-info is-light">Article</span> 796 797 798 799 <span class="has-text-grey is-size-6">Simple models are more wrong than complex ones, but they can be useful to detect problems, and to kickstart more suitable models.</span> 800 801 802 </a> 803 </p> 804 </div> 805 806 807 808 809 <div class="block"> 810 <p class="p-5">
811 <a href="/2021/04/tensions-when-designing-evolvable-bounded-contexts/"> 812 <span class="has-text-grey-darker is-size-5">Tensions when Designing Evolvable Bounded Contexts</span> 813 <br> 814 815 816 <span class="tag is-size-7 is-info is-light">Article</span> 817 818 819 820 <span class="has-text-grey is-size-6">Bounded Contexts and their interfaces are governed by fundamental tensions that affect our design</span> 821 822 823 </a> 824 </p> 825 </div> 826 827 828 829 830 <div class="block"> 831 <p class="p-5"> 832 <a href="/2021/03/heuristic-legacy-mirror/"> 833 <span class="has-text-grey-darker is-size-5">The Legacy Mirror Heuristic</span> 834 <br> 835 836 837 <span class="tag is-size-7 is-info is-light">Article</span> 838 839 840 841 <span class="has-text-grey is-size-6">Evaluate a novel idea by swapping the old and the new idea in time.</span> 842 843 844 </a> 845 </p> 846 </div> 847 848 849 850 851 <div> 852 <div class="divider is-size-7">2020</div> 853 </div> 854 855 856 <div class="block"> 857 <p class="p-5"> 858 <a href="/2020/01/wall-of-technical-debt/"> 859 <span class="has-text-grey-darker is-size-5">The Wall of Technical Debt</span> 860 <br> 861 862 863 <span class="tag is-size-7 is-info is-light">Article</span> 864 865 866 867 <span class="has-text-grey is-size-6">A method for making technical debt visible and negotiable.</span> 868 869 870 </a> 871 </p> 872 </div> 873 874 875 876 877 <div> 878 <div class="divider is-size-7">2019</div> 879 </div> 880 881 882 <div class="block"> 883 <p class="p-5"> 884 <a href="/2019/08/eventsourcing-state-from-events-vs-events-as-state/"> 885 <span class="has-text-grey-darker is-size-5">Eventsourcing: State from Events or Events as State?</span> 886 <br> 887 888 889 <span class="tag is-size-7 is-info is-light">Article</span> 890 891 892 893 <span class="has-text-grey is-size-6">Comparison of two common interpretations of eventsourcing; and proposing a definition.</span> 894 895 896 </a> 897 </p> 898 </div> 899 900 901 902 903 <div class="block"> 904 <p class="p-5"> 905 <a href="/2019/07/patterns-are-not-defined-by-their-implementation/"> 906 <span class="has-text-grey-darker is-size-5">Patterns Are Not Defined by Their Implementation</span> 907 <br> 908 909 910 <span class="tag is-size-7 is-info is-light">Article</span> 911 912 913 914 <span class="has-text-grey is-size-6">Design Patterns express a problem in a context with a reusable solution.</span> 915 916 917 </a> 918 </p> 919 </div> 920 921 922 923 924 <div class="block"> 925 <p class="p-5"> 926 <a href="/2019/06/talk-temporal-modelling/">
927 <span class="has-text-grey-darker is-size-5">Temporal Modelling</span> 928 <br> 929 930 <span class="tag is-size-7 is-warning is-light">Presentation</span> 931 932 933 934 935 <span class="has-text-grey is-size-6">How reasoning with time helps you model software better than structure.</span> 936 937 938 </a> 939 </p> 940 </div> 941 942 943 944 945 <div class="block"> 946 <p class="p-5"> 947 <a href="/2019/06/emergent-contexts-through-refinement/"> 948 <span class="has-text-grey-darker is-size-5">Emergent Contexts through Refinement</span> 949 <br> 950 951 952 <span class="tag is-size-7 is-info is-light">Article</span> 953 954 955 956 <span class="has-text-grey is-size-6">Refine a model and its language until opportunities for better Bounded Contexts emerge.</span> 957 958 959 </a> 960 </p> 961 </div> 962 963 964 965 966 <div class="block"> 967 <p class="p-5"> 968 <a href="/2019/06/messaging-patterns-natural-language-message-names/"> 969 <span class="has-text-grey-darker is-size-5">Messaging Patterns: Natural Language Message Names</span> 970 <br> 971 972 973 <span class="tag is-size-7 is-info is-light">Article</span> 974 975 976 977 <span class="has-text-grey is-size-6">Embed more meaning in messages by using verbs.</span> 978 979 980 </a> 981 </p> 982 </div> 983 984 985 986 987 <div class="block"> 988 <p class="p-5"> 989 <a href="/2019/06/eventsourcing-patterns-migration-events-ghost-context/"> 990 <span class="has-text-grey-darker is-size-5">Eventsourcing Patterns: Migration Events in a Ghost Context</span> 991 <br> 992 993 994 <span class="tag is-size-7 is-info is-light">Article</span> 995 996 997 998 <span class="has-text-grey is-size-6">Explicitly conform to the legacy component's model in an eventsourcing migration.</span> 999 1000 1001 </a> 1002 </p> 1003 </div> 1004 1005 1006 1007 1008 <div class="block"> 1009 <p class="p-5">
1010 <a href="/2019/05/eventsourcing-patterns-decision-tracking/"> 1011 <span class="has-text-grey-darker is-size-5">Eventsourcing Patterns: Decision Tracking</span> 1012 <br> 1013 1014 1015 <span class="tag is-size-7 is-info is-light">Article</span> 1016 1017 1018 1019 <span class="has-text-grey is-size-6">Store the outcome of a decision to guard against rule changes.</span> 1020 1021 1022 </a> 1023 </p> 1024 </div> 1025 1026 1027 1028 1029 <div class="block"> 1030 <p class="p-5"> 1031 <a href="/2019/05/messaging-patterns-throttling/"> 1032 <span class="has-text-grey-darker is-size-5">Messaging Patterns: Throttling</span> 1033 <br> 1034 1035 1036 <span class="tag is-size-7 is-info is-light">Article</span> 1037 1038 1039 1040 <span class="has-text-grey is-size-6">Only keep one event per time unit from a high frequency stream.</span> 1041 1042 1043 </a> 1044 </p> 1045 </div> 1046 1047 1048 1049 1050 <div class="block"> 1051 <p class="p-5">
1052 <a href="/2019/05/messaging-patterns-ephemeral-events/"> 1053 <span class="has-text-grey-darker is-size-5">Messaging Patterns: Ephemeral Events</span> 1054 <br> 1055 1056 1057 <span class="tag is-size-7 is-info is-light">Article</span> 1058 1059 1060 1061 <span class="has-text-grey is-size-6">An event's lifetime lasts until the next event.</span> 1062 1063 1064 </a> 1065 </p> 1066 </div> 1067 1068 1069 1070 1071 <div class="block"> 1072 <p class="p-5"> 1073 <a href="/2019/05/messaging-patterns-change-detection-events/"> 1074 <span class="has-text-grey-darker is-size-5">Messaging Patterns: Change Detection Events</span> 1075 <br> 1076 1077 1078 <span class="tag is-size-7 is-info is-light">Article</span> 1079 1080 1081 1082 <span class="has-text-grey is-size-6">Listen to a stream of events and produce a new event when a value changes.</span> 1083 1084 1085 </a> 1086 </p> 1087 </div> 1088 1089 1090 1091 1092 <div class="block"> 1093 <p class="p-5">
1094 <a href="/2019/05/ddd-msg-arch/"> 1095 <span class="has-text-grey-darker is-size-5">DDD and Messaging Architectures</span> 1096 <br> 1097 1098 1099 <span class="tag is-size-7 is-info is-light">Article</span> 1100 1101 1102 1103 <span class="has-text-grey is-size-6">An overview of my different series on patterns in distributed systems.</span> 1104 1105 1106 </a> 1107 </p> 1108 </div> 1109 1110 1111 1112 1113 <div class="block"> 1114 <p class="p-5"> 1115 <a href="/2019/05/eventsourcing-patterns-throw-away-the-key/"> 1116 <span class="has-text-grey-darker is-size-5">Eventsourcing Patterns: Crypto-Shredding</span> 1117 <br> 1118 1119 1120 <span class="tag is-size-7 is-info is-light">Article</span> 1121 1122 1123 1124 <span class="has-text-grey is-size-6">Encrypt sensitive information in an event and delete the key.</span> 1125 1126 1127 </a> 1128 </p> 1129 </div> 1130 1131 1132 1133 1134 <div class="block"> 1135 <p class="p-5">
1136 <a href="/2019/05/eventsourcing-patterns-forgettable-payloads/"> 1137 <span class="has-text-grey-darker is-size-5">Eventsourcing Patterns: Forgettable Payloads</span> 1138 <br> 1139 1140 1141 <span class="tag is-size-7 is-info is-light">Article</span> 1142 1143 1144 1145 <span class="has-text-grey is-size-6">Store the sensitive payload of an event in a separate store to control access and removal.</span> 1146 1147 1148 </a> 1149 </p> 1150 </div> 1151 1152 1153 1154 1155 <div class="block"> 1156 <p class="p-5"> 1157 <a href="/2019/05/patterns-for-decoupling-distsys-segregated-event-layers/"> 1158 <span class="has-text-grey-darker is-size-5">Patterns for Decoupling in Distributed Systems: Segregated Event Layers</span> 1159 <br> 1160 1161 1162 <span class="tag is-size-7 is-info is-light">Article</span> 1163 1164 1165 1166 <span class="has-text-grey is-size-6">Explicitly segregate a Bounded Context's events in visibility layers, with their own language.</span> 1167 1168 1169 </a> 1170 </p> 1171 </div> 1172 1173 1174 1175 1176 <div class="block"> 1177 <p class="p-5">
1178 <a href="/2019/05/patterns-for-decoupling-distsys-fat-event/"> 1179 <span class="has-text-grey-darker is-size-5">Patterns for Decoupling in Distributed Systems: Fat Event</span> 1180 <br> 1181 1182 1183 <span class="tag is-size-7 is-info is-light">Article</span> 1184 1185 1186 1187 <span class="has-text-grey is-size-6">Add redundant information to a Domain Event to reduce complexity in the consumer.</span> 1188 1189 1190 </a> 1191 </p> 1192 </div> 1193 1194 1195 1196 1197 <div class="block"> 1198 <p class="p-5"> 1199 <a href="/2019/05/patterns-for-decoupling-distsys-explicit-public-events/"> 1200 <span class="has-text-grey-darker is-size-5">Patterns for Decoupling in Distributed Systems: Explicit Public Events</span> 1201 <br> 1202 1203 1204 <span class="tag is-size-7 is-info is-light">Article</span> 1205 1206 1207 1208 <span class="has-text-grey is-size-6">Mark a small subset of events as public, keep the rest private by default.</span> 1209 1210 1211 </a> 1212 </p> 1213 </div> 1214 1215 1216 1217 1218 <div class="block"> 1219 <p class="p-5">
1220 <a href="/2019/05/patterns-for-decoupling-distsys-passage-of-time-event/"> 1221 <span class="has-text-grey-darker is-size-5">Patterns for Decoupling in Distributed Systems: Passage of Time Event</span> 1222 <br> 1223 1224 1225 <span class="tag is-size-7 is-info is-light">Article</span> 1226 1227 1228 1229 <span class="has-text-grey is-size-6">Replace cron jobs and scheduled commands, with an agnostic event to indicate the passage of time.</span> 1230 1231 1232 </a> 1233 </p> 1234 </div> 1235 1236 1237 1238 1239 <div class="block"> 1240 <p class="p-5"> 1241 <a href="/2019/05/patterns-for-decoupling-distsys-summary-event/"> 1242 <span class="has-text-grey-darker is-size-5">Patterns for Decoupling in Distributed Systems: Summary Event</span> 1243 <br> 1244 1245 1246 <span class="tag is-size-7 is-info is-light">Article</span> 1247 1248 1249 1250 <span class="has-text-grey is-size-6">Instead of emitting a stream of Domain Events, emit a single Summary.</span> 1251 1252 1253 </a> 1254 </p> 1255 </div> 1256 1257 1258 1259 1260 <div class="block"> 1261 <p class="p-5">
1262 <a href="/2019/05/patterns-for-decoupling-distsys-domain-query/"> 1263 <span class="has-text-grey-darker is-size-5">Patterns for Decoupling in Distributed Systems: Domain Query</span> 1264 <br> 1265 1266 1267 <span class="tag is-size-7 is-info is-light">Article</span> 1268 1269 1270 1271 <span class="has-text-grey is-size-6">Replace Free Queries with Domain Queries to decouple from knowledge of the server's internals.</span> 1272 1273 1274 </a> 1275 </p> 1276 </div> 1277 1278 1279 1280 1281 <div class="block"> 1282 <p class="p-5"> 1283 <a href="/2019/05/patterns-for-decoupling-distsys-completeness-guarantee/"> 1284 <span class="has-text-grey-darker is-size-5">Patterns for Decoupling in Distributed Systems: Completeness Guarantee</span> 1285 <br> 1286 1287 1288 <span class="tag is-size-7 is-info is-light">Article</span> 1289 1290 1291 1292 <span class="has-text-grey is-size-6">Design the set of Domain Events from a producer so that they can be used to rebuild the producer's state.</span> 1293 1294 1295 </a> 1296 </p> 1297 </div> 1298 1299 1300 1301 1302 <div> 1303 <div class="divider is-size-7">2018</div> 1304 </div> 1305 1306 1307 <div class="block"> 1308 <p class="p-5"> 1309 <a href="/2018/04/design-heuristics/"> 1310 <span class="has-text-grey-darker is-size-5">Design Heuristics</span> 1311 <br> 1312 1313 <span class="tag is-size-7 is-warning is-light">Presentation</span> 1314 1315 1316 1317 1318 <span class="has-text-grey is-size-6">Distilling your design heuristics using practical examples.</span> 1319 1320 1321 </a> 1322 </p> 1323 </div> 1324 1325 1326 1327 1328 <div> 1329 <div class="divider is-size-7">2017</div> 1330 </div> 1331 1332 1333 <div class="block"> 1334 <p class="p-5"> 1335 <a href="/2017/04/emergent-boundaries/"> 1336 <span class="has-text-grey-darker is-size-5">Emergent Boundaries</span> 1337 <br> 1338 1339 <span class="tag is-size-7 is-warning is-light">Presentation</span> 1340 1341 1342 1343 1344 <span class="has-text-grey is-size-6"></span> 1345 1346 1347 </a> 1348 </p> 1349 </div> 1350 1351 1352 1353 1354 <div class="block"> 1355 <p class="p-5"> 1356 <a href="/2017/04/messages-over-structure/"> 1357 <span class="has-text-grey-darker is-size-5">Messages Over Structure</span> 1358 <br> 1359 1360 <span class="tag is-size-7 is-warning is-light">Presentation</span> 1361 1362 1363 1364 1365 <span class="has-text-grey is-size-6"></span> 1366 1367 1368 </a> 1369 </p> 1370 </div> 1371 1372 1373 1374 1375 <div> 1376 <div class="divider is-size-7">2016</div> 1377 </div> 1378 1379 1380 <div class="block"> 1381 <p class="p-5"> 1382 <a href="/2016/11/on-being-explicit/">
1383 <span class="has-text-grey-darker is-size-5">On Being Explicit</span> 1384 <br> 1385 1386 <span class="tag is-size-7 is-warning is-light">Presentation</span> 1387 1388 1389 1390 1391 <span class="has-text-grey is-size-6">Software design stories</span> 1392 1393 1394 </a> 1395 </p> 1396 </div> 1397 1398 1399 1400 1401 <div class="block"> 1402 <p class="p-5"> 1403 <a href="/2016/05/designed-stickiness/"> 1404 <span class="has-text-grey-darker is-size-5">Designed Stickiness</span> 1405 <br> 1406 1407 <span class="tag is-size-7 is-warning is-light">Presentation</span> 1408 1409 1410 1411 1412 <span class="has-text-grey is-size-6">How sticky metaphors can communicate better software models.</span> 1413 1414 1415 </a> 1416 </p> 1417 </div> 1418 1419 1420 1421 1422 <div class="block"> 1423 <p class="p-5"> 1424 <a href="/2016/05/lightning-talks/"> 1425 <span class="has-text-grey-darker is-size-5">Lightning Talks</span> 1426 <br> 1427 1428 <span class="tag is-size-7 is-warning is-light">Presentation</span> 1429 1430 1431 1432 1433 <span class="has-text-grey is-size-6">Five minute lightning talks, to practice public speaking.</span> 1434 1435 1436 </a> 1437 </p> 1438 </div> 1439 1440 1441 1442 1443 <div class="block"> 1444 <p class="p-5"> 1445 <a href="/2016/04/repair-replace-heuristic-for-legacy-software/"> 1446 <span class="has-text-grey-darker is-size-5">The Repair/Replace Heuristic for Legacy Software</span> 1447 <br> 1448 1449 1450 <span class="tag is-size-7 is-info is-light">Article</span> 1451 1452 1453 1454 <span class="has-text-grey is-size-6">How understanding the history of systems aids strategic decisions</span> 1455 1456 1457 </a> 1458 </p> 1459 </div> 1460 1461 1462 1463 1464 <div class="block"> 1465 <p class="p-5"> 1466 <a href="/2016/04/property-based-testing/"> 1467 <span class="has-text-grey-darker is-size-5">Property-based testing</span> 1468 <br> 1469 1470 <span class="tag is-size-7 is-warning is-light">Presentation</span> 1471 1472 1473 1474 1475 <span class="has-text-grey is-size-6"></span> 1476 1477 1478 </a> 1479 </p> 1480 </div> 1481 1482 1483 1484 1485 <div class="block"> 1486 <p class="p-5"> 1487 <a href="/2016/04/code-reviews-and-blame-culture/"> 1488 <span class="has-text-grey-darker is-size-5">Code Reviews and Blame Culture</span> 1489 <br> 1490 1491 1492 <span class="tag is-size-7 is-info is-light">Article</span> 1493 1494 1495
1496 <span class="has-text-grey is-size-6">A common belief is that gated reviews lead to blaming individuals. The opposite can be true.</span> 1497 1498 1499 </a> 1500 </p> 1501 </div> 1502 1503 1504 1505 1506 <div class="block"> 1507 <p class="p-5"> 1508 <a href="/2016/02/type-safety-and-money/"> 1509 <span class="has-text-grey-darker is-size-5">Type Safety and Money</span> 1510 <br> 1511 1512 1513 <span class="tag is-size-7 is-info is-light">Article</span> 1514 1515 1516 1517 <span class="has-text-grey is-size-6">All good design is redesign.</span> 1518 1519 1520 </a> 1521 </p> 1522 </div> 1523 1524 1525 1526 1527 <div> 1528 <div class="divider is-size-7">2015</div> 1529 </div> 1530 1531 1532 <div class="block"> 1533 <p class="p-5"> 1534 <a href="/2015/05/towards-modelling-processes/"> 1535 <span class="has-text-grey-darker is-size-5">Towards Modelling Processes</span> 1536 <br> 1537 1538 <span class="tag is-size-7 is-warning is-light">Presentation</span> 1539 1540 1541 1542 1543 <span class="has-text-grey is-size-6">A temporal view of business problems leads to deeper models.</span> 1544 1545 1546 </a> 1547 </p> 1548 </div> 1549 1550 1551 1552 1553 <div class="block"> 1554 <p class="p-5"> 1555 <a href="/2015/04/context-mapping-life-expectancy/"> 1556 <span class="has-text-grey-darker is-size-5">Context Mapping: Life Expectancy</span> 1557 <br> 1558 1559 1560 <span class="tag is-size-7 is-info is-light">Article</span> 1561 1562 1563 1564 <span class="has-text-grey is-size-6">When Context Mapping a complex environment, indicate the Life Expectancy of each Bounded Context, as well as its sponsors and other relevant metadata.</span> 1565 1566 1567 </a> 1568 </p> 1569 </div> 1570 1571 1572 1573 1574 <div class="block"> 1575 <p class="p-5"> 1576 <a href="/2015/03/event-storming-storytelling-visualisations/"> 1577 <span class="has-text-grey-darker is-size-5">Event Storming, Storytelling, Visualisations</span> 1578 <br> 1579 1580 1581 <span class="tag is-size-7 is-info is-light">Article</span> 1582 1583 1584 1585 <span class="has-text-grey is-size-6">About telling non-linear stories with stickies, and visualising complications in Event Stormed models.</span> 1586 1587 1588 </a> 1589 </p> 1590 </div> 1591 1592 1593 1594 1595 <div class="block"> 1596 <p class="p-5"> 1597 <a href="/2015/02/form-command-model-validation/"> 1598 <span class="has-text-grey-darker is-size-5">Form, Command, and Model Validation</span> 1599 <br> 1600 1601 1602 <span class="tag is-size-7 is-info is-light">Article</span> 1603 1604 1605
1606 <span class="has-text-grey is-size-6">Make a clear distinction between different layers of validation.</span> 1607 1608 1609 </a> 1610 </p> 1611 </div> 1612 1613 1614 1615 1616 <div class="block"> 1617 <p class="p-5"> 1618 <a href="/2015/01/messaging-flavours/"> 1619 <span class="has-text-grey-darker is-size-5">Messaging Flavours</span> 1620 <br> 1621 1622 1623 <span class="tag is-size-7 is-info is-light">Article</span> 1624 1625 1626 1627 <span class="has-text-grey is-size-6">Differentiating between informational, interrogatory, and imperative messages, and keeping them nicely separated.</span> 1628 1629 1630 </a> 1631 </p> 1632 </div> 1633 1634 1635 1636 1637 <div class="block"> 1638 <p class="p-5"> 1639 <a href="/2015/01/economy-of-tests/"> 1640 <span class="has-text-grey-darker is-size-5">Economy of Tests</span> 1641 <br> 1642 1643 1644 <span class="tag is-size-7 is-info is-light">Article</span> 1645 1646 1647 1648 <span class="has-text-grey is-size-6">Migrate test levels to improve the long term sustainability of your test suite.</span> 1649 1650 1651 <br><span class="has-text-grey is-size-7">â by @mathiasverraes and @everzet</span> 1652 1653 </a> 1654 </p> 1655 </div> 1656 1657 1658 1659 1660 <div> 1661 <div class="divider is-size-7">2014</div> 1662 </div> 1663 1664 1665 <div class="block"> 1666 <p class="p-5"> 1667 <a href="/2014/12/how-much-testing-is-too-much/"> 1668 <span class="has-text-grey-darker is-size-5">How Much Testing is Too Much?</span> 1669 <br> 1670 1671 1672 <span class="tag is-size-7 is-info is-light">Article</span> 1673 1674 1675 1676 <span class="has-text-grey is-size-6">Run an experiment to learn how much unit tests you actually need.</span> 1677 1678 1679 </a> 1680 </p> 1681 </div> 1682 1683 1684 1685 1686 <div class="block"> 1687 <p class="p-5"> 1688 <a href="/2014/12/erlang-let-it-crash/"> 1689 <span class="has-text-grey-darker is-size-5">Let It Crash</span> 1690 <br> 1691 1692 1693 <span class="tag is-size-7 is-info is-light">Article</span> 1694 1695 1696 1697 <span class="has-text-grey is-size-6">The Erlang view of the world is that everything is a process and that processes can interact only by exchanging messages.</span> 1698 1699 1700 </a> 1701 </p> 1702 </div> 1703 1704 1705 1706 1707 <div class="block"> 1708 <p class="p-5"> 1709 <a href="/2014/11/higher-order-programming/"> 1710 <span class="has-text-grey-darker is-size-5">Higher Order Programming</span> 1711 <br> 1712 1713 1714 <span class="tag is-size-7 is-info is-light">Article</span> 1715 1716 1717
1718 <span class="has-text-grey is-size-6">map(divide(__, 2), __) and other excursions into elegant functional programming in PHP</span> 1719 1720 1721 </a> 1722 </p> 1723 </div> 1724 1725 1726 1727 1728 <div class="block"> 1729 <p class="p-5"> 1730 <a href="/2014/11/modelling-heuristics/"> 1731 <span class="has-text-grey-darker is-size-5">Modelling Heuristics</span> 1732 <br> 1733 1734 <span class="tag is-size-7 is-warning is-light">Presentation</span> 1735 1736 1737 1738 1739 <span class="has-text-grey is-size-6">Mental tools to help you discover model variations</span> 1740 1741 1742 </a> 1743 </p> 1744 </div> 1745 1746 1747 1748 1749 <div class="block"> 1750 <p class="p-5"> 1751 <a href="/2014/11/domain-events/"> 1752 <span class="has-text-grey-darker is-size-5">Domain Events</span> 1753 <br> 1754 1755 1756 <span class="tag is-size-7 is-info is-light">Article</span> 1757 1758 1759 1760 <span class="has-text-grey is-size-6">Domain Events allow you to segregate the models of different systems</span> 1761 1762 1763 </a> 1764 </p> 1765 </div> 1766 1767 1768 1769 1770 <div class="block"> 1771 <p class="p-5"> 1772 <a href="/2014/11/object-reorientation/"> 1773 <span class="has-text-grey-darker is-size-5">Object Reorientation</span> 1774 <br> 1775 1776 <span class="tag is-size-7 is-warning is-light">Presentation</span> 1777 1778 1779 1780 1781 <span class="has-text-grey is-size-6">Introductory talk to programming with objects</span> 1782 1783 1784 </a> 1785 </p> 1786 </div> 1787 1788 1789 1790 1791 <div class="block"> 1792 <p class="p-5"> 1793 <a href="/2014/10/software-design-is-just-theory/"> 1794 <span class="has-text-grey-darker is-size-5">âSoftware design is just theoryâ</span> 1795 <br> 1796 1797 1798 <span class="tag is-size-7 is-info is-light">Article</span> 1799 1800 1801 1802 <span class="has-text-grey is-size-6">Is writing code all day all you need to do to become a better programmer?</span> 1803 1804 1805 </a> 1806 </p> 1807 </div> 1808 1809 1810 1811 1812 <div class="block"> 1813 <p class="p-5"> 1814 <a href="/2014/10/small-controlled-experiments-revisited/"> 1815 <span class="has-text-grey-darker is-size-5">Small Uncontrolled Experiments (revisited)</span> 1816 <br> 1817 1818 <span class="tag is-size-7 is-warning is-light">Presentation</span> 1819 1820 1821 1822 1823 <span class="has-text-grey is-size-6">How to improve when you don't know how to improve</span> 1824 1825 1826 </a> 1827 </p> 1828 </div> 1829 1830 1831 1832 1833 <div class="block"> 1834 <p class="p-5"> 1835 <a href="/2014/09/objects-as-contracts-for-behaviour/">
1836 <span class="has-text-grey-darker is-size-5">Objects as Contracts for Behaviour</span> 1837 <br> 1838 1839 1840 <span class="tag is-size-7 is-info is-light">Article</span> 1841 1842 1843 1844 <span class="has-text-grey is-size-6">Even in the real world, the potential behaviours of an object are essential to that object.</span> 1845 1846 1847 </a> 1848 </p> 1849 </div> 1850 1851 1852 1853 1854 <div class="block"> 1855 <p class="p-5"> 1856 <a href="/2014/09/decoupling-model-framework/"> 1857 <span class="has-text-grey-darker is-size-5">Decoupling the Model from the Framework</span> 1858 <br> 1859 1860 <span class="tag is-size-7 is-warning is-light">Presentation</span> 1861 1862 1863 1864 1865 <span class="has-text-grey is-size-6">Presentation on Domain-Driven Design, CRUD, Task-based UI's, Commands, Events, ...</span> 1866 1867 1868 </a> 1869 </p> 1870 </div> 1871 1872 1873 1874 1875 <div class="block"> 1876 <p class="p-5"> 1877 <a href="/2014/08/sterile-estimation/"> 1878 <span class="has-text-grey-darker is-size-5">Sterile Estimation</span> 1879 <br> 1880 1881 1882 <span class="tag is-size-7 is-info is-light">Article</span> 1883 1884 1885 1886 <span class="has-text-grey is-size-6">The Anchoring Bias, well-known to psychologists, prevents you from making quality estimates.</span> 1887 1888 1889 </a> 1890 </p> 1891 </div> 1892 1893 1894 1895 1896 <div class="block"> 1897 <p class="p-5"> 1898 <a href="/2014/08/resolving-feature-envy-in-the-domain/"> 1899 <span class="has-text-grey-darker is-size-5">Resolving Feature Envy in the Domain</span> 1900 <br> 1901 1902 1903 <span class="tag is-size-7 is-info is-light">Article</span> 1904 1905 1906 1907 <span class="has-text-grey is-size-6">Expressing the Ubiquitous Language helps us to get rid of the Feature Envy code smell.</span> 1908 1909 1910 </a> 1911 </p> 1912 </div> 1913 1914 1915 1916 1917 <div class="block"> 1918 <p class="p-5"> 1919 <a href="/2014/08/dry-is-about-knowledge/"> 1920 <span class="has-text-grey-darker is-size-5">DRY is about Knowledge</span> 1921 <br> 1922 1923 1924 <span class="tag is-size-7 is-info is-light">Article</span> 1925 1926 1927 1928 <span class="has-text-grey is-size-6">Code duplication is not the issue.</span> 1929 1930 1931 </a> 1932 </p> 1933 </div> 1934 1935 1936 1937 1938 <div class="block"> 1939 <p class="p-5"> 1940 <a href="/2014/07/event-storming-fake-domains-happy-paths/"> 1941 <span class="has-text-grey-darker is-size-5">Event Storming: on Fake Domains and Happy Paths</span> 1942 <br> 1943 1944
1945 <span class="tag is-size-7 is-info is-light">Article</span> 1946 1947 1948 1949 <span class="has-text-grey is-size-6">More Event Storming insights: picking good domains, modelling branches using duplication, and creative visualisation.</span> 1950 1951 1952 </a> 1953 </p> 1954 </div> 1955 1956 1957 1958 1959 <div class="block"> 1960 <p class="p-5"> 1961 <a href="/2014/06/managed-technical-debt-revisited/"> 1962 <span class="has-text-grey-darker is-size-5">Managed Technical Debt (revisited)</span> 1963 <br> 1964 1965 <span class="tag is-size-7 is-warning is-light">Presentation</span> 1966 1967 1968 1969 1970 <span class="has-text-grey is-size-6">Are you sweeping technical debt under the rug?</span> 1971 1972 1973 </a> 1974 </p> 1975 </div> 1976 1977 1978 1979 1980 <div class="block"> 1981 <p class="p-5"> 1982 <a href="/2014/06/information-overload/"> 1983 <span class="has-text-grey-darker is-size-5">Information Overload</span> 1984 <br> 1985 1986 1987 <span class="tag is-size-7 is-info is-light">Article</span> 1988 1989 1990 1991 <span class="has-text-grey is-size-6">Learn by finding the differences, not the similarities.</span> 1992 1993 1994 </a> 1995 </p> 1996 </div> 1997 1998 1999 2000 2001 <div class="block"> 2002 <p class="p-5"> 2003 <a href="/2014/06/cost-of-estimation/"> 2004 <span class="has-text-grey-darker is-size-5">The Cost of Estimation</span> 2005 <br> 2006 2007 2008 <span class="tag is-size-7 is-info is-light">Article</span> 2009 2010 2011 2012 <span class="has-text-grey is-size-6">Asking for estimates can cost you more than you think. When you do estimate, take into account time, complexity, and risk.</span> 2013 2014 2015 </a> 2016 </p> 2017 </div> 2018 2019 2020 2021 2022 <div class="block"> 2023 <p class="p-5"> 2024 <a href="/2014/06/when-to-use-static-methods-in-php/"> 2025 <span class="has-text-grey-darker is-size-5">When to Use Static Methods</span> 2026 <br> 2027 2028 2029 <span class="tag is-size-7 is-info is-light">Article</span> 2030 2031 2032 2033 <span class="has-text-grey is-size-6">Static methods? Yes, when they are stateless.</span> 2034 2035 2036 </a> 2037 </p> 2038 </div> 2039 2040 2041 2042 2043 <div class="block"> 2044 <p class="p-5"> 2045 <a href="/2014/06/named-constructors-in-php/"> 2046 <span class="has-text-grey-darker is-size-5">Named Constructors in PHP</span> 2047 <br> 2048 2049 2050 <span class="tag is-size-7 is-info is-light">Article</span> 2051 2052 2053
2054 <span class="has-text-grey is-size-6">Don't limit yourself by PHP's single constructor. Use static factory methods.</span> 2055 2056 2057 </a> 2058 </p> 2059 </div> 2060 2061 2062 2063 2064 <div class="block"> 2065 <p class="p-5"> 2066 <a href="/2014/05/why-domain-driven-design-matters/"> 2067 <span class="has-text-grey-darker is-size-5">Why Domain-Driven Design Matters</span> 2068 <br> 2069 2070 <span class="tag is-size-7 is-warning is-light">Presentation</span> 2071 2072 2073 2074 2075 <span class="has-text-grey is-size-6">Thinking about Systems and Complexity.</span> 2076 2077 2078 </a> 2079 </p> 2080 </div> 2081 2082 2083 2084 2085 <div class="block"> 2086 <p class="p-5"> 2087 <a href="/2014/05/functional-foundation-for-cqrs-event-sourcing/"> 2088 <span class="has-text-grey-darker is-size-5">A Functional Foundation for CQRS/ES</span> 2089 <br> 2090 2091 2092 <span class="tag is-size-7 is-info is-light">Article</span> 2093 2094 2095 2096 <span class="has-text-grey is-size-6">A CQRS architecture can be seen as a set of referentially transparent functions that model decisions and interpretation.</span> 2097 2098 2099 </a> 2100 </p> 2101 </div> 2102 2103 2104 2105 2106 <div class="block"> 2107 <p class="p-5"> 2108 <a href="/2014/05/final-classes-in-php/"> 2109 <span class="has-text-grey-darker is-size-5">Final Classes: Open for Extension, Closed for Inheritance</span> 2110 <br> 2111 2112 2113 <span class="tag is-size-7 is-info is-light">Article</span> 2114 2115 2116 2117 <span class="has-text-grey is-size-6">Composition, strategies, callbacks, plugins, event listeners, ... are all valid ways to extend without inheritance.</span> 2118 2119 2120 </a> 2121 </p> 2122 </div> 2123 2124 2125 2126 2127 <div class="block"> 2128 <p class="p-5"> 2129 <a href="/2014/03/small-controlled-experiments/"> 2130 <span class="has-text-grey-darker is-size-5">Small Uncontrolled Experiments</span> 2131 <br> 2132 2133 2134 <span class="tag is-size-7 is-info is-light">Article</span> 2135 2136 2137 2138 <span class="has-text-grey is-size-6">How we made continuous improvement truly continuous, using stickies, a timeline, and few minutes each day.</span> 2139 2140 2141 </a> 2142 </p> 2143 </div> 2144 2145 2146 2147 2148 <div class="block"> 2149 <p class="p-5"> 2150 <a href="/2014/03/practical-event-sourcing/"> 2151 <span class="has-text-grey-darker is-size-5">Practical Event Sourcing</span> 2152 <br> 2153 2154 <span class="tag is-size-7 is-warning is-light">Presentation</span> 2155 2156 2157 2158
2159 <span class="has-text-grey is-size-6">A step by step guide to building your very first Event Sourced Aggregate.</span> 2160 2161 2162 </a> 2163 </p> 2164 </div> 2165 2166 2167 2168 2169 <div class="block"> 2170 <p class="p-5"> 2171 <a href="/2014/03/religiously-restful/"> 2172 <span class="has-text-grey-darker is-size-5">Religiously RESTful</span> 2173 <br> 2174 2175 2176 <span class="tag is-size-7 is-info is-light">Article</span> 2177 2178 2179 2180 <span class="has-text-grey is-size-6">REST: The language of the future, or opium for the masses?</span> 2181 2182 2183 </a> 2184 </p> 2185 </div> 2186 2187 2188 2189 2190 <div class="block"> 2191 <p class="p-5"> 2192 <a href="/2014/02/buzzword-free-bounded-contexts/"> 2193 <span class="has-text-grey-darker is-size-5">Buzzword-free Bounded Contexts</span> 2194 <br> 2195 2196 2197 <span class="tag is-size-7 is-info is-light">Article</span> 2198 2199 2200 2201 <span class="has-text-grey is-size-6">My recent attempt at explaining Bounded Contexts at @DDDBE, was criticised for being too heavy on terminology. Rinse, adjust, repeat.</span> 2202 2203 2204 </a> 2205 </p> 2206 </div> 2207 2208 2209 2210 2211 <div class="block"> 2212 <p class="p-5"> 2213 <a href="/2014/02/domain-driven-design-basics/"> 2214 <span class="has-text-grey-darker is-size-5">Domain-Driven Design: Bounded Contexts, Modelling</span> 2215 <br> 2216 2217 <span class="tag is-size-7 is-warning is-light">Presentation</span> 2218 2219 2220 2221 2222 <span class="has-text-grey is-size-6">Gentle introductions to DDD by the founders of DDD Belgium.</span> 2223 2224 2225 </a> 2226 </p> 2227 </div> 2228 2229 2230 2231 2232 <div class="block"> 2233 <p class="p-5"> 2234 <a href="/2014/01/bandwidth-and-context-mapping/"> 2235 <span class="has-text-grey-darker is-size-5">Bandwidth and Context Mapping</span> 2236 <br> 2237 2238 2239 <span class="tag is-size-7 is-info is-light">Article</span> 2240 2241 2242 2243 <span class="has-text-grey is-size-6">Context Mapping is about the whitespace between systems, and the bandwidth of the communications.</span> 2244 2245 2246 </a> 2247 </p> 2248 </div> 2249 2250 2251 2252 2253 <div class="block"> 2254 <p class="p-5"> 2255 <a href="/2014/01/build-for-failure/"> 2256 <span class="has-text-grey-darker is-size-5">Build for Failure</span> 2257 <br> 2258 2259 2260 <span class="tag is-size-7 is-info is-light">Article</span> 2261 2262 2263 2264 <span class="has-text-grey is-size-6">Admit failure. Build for failure. Live failure.</span> 2265 2266 2267 </a> 2268 </p> 2269 </div> 2270 2271 2272 2273 2274 <div class="block"> 2275 <p class="p-5"> 2276 <a href="/2014/01/henry-ford-fallacy/">
2277 <span class="has-text-grey-darker is-size-5">The Henry Ford Fallacy</span> 2278 <br> 2279 2280 2281 <span class="tag is-size-7 is-info is-light">Article</span> 2282 2283 2284 2285 2286 </a> 2287 </p> 2288 </div> 2289 2290 2291 2292 2293 <div class="block"> 2294 <p class="p-5"> 2295 <a href="/2014/01/domain-driven-design-is-linguistic/"> 2296 <span class="has-text-grey-darker is-size-5">Domain-Driven Design is Linguistic</span> 2297 <br> 2298 2299 2300 <span class="tag is-size-7 is-info is-light">Article</span> 2301 2302 2303 2304 <span class="has-text-grey is-size-6">Just because two behaviours lead to the same outcome, does not mean they are replaceable.</span> 2305 2306 2307 </a> 2308 </p> 2309 </div> 2310 2311 2312 2313 2314 <div> 2315 <div class="divider is-size-7">2013</div> 2316 </div> 2317 2318 2319 <div class="block"> 2320 <p class="p-5"> 2321 <a href="/2013/12/fighting-bottlenecks-with-cqrs/"> 2322 <span class="has-text-grey-darker is-size-5">Fighting Bottlenecks with CQRS</span> 2323 <br> 2324 2325 <span class="tag is-size-7 is-warning is-light">Presentation</span> 2326 2327 2328 2329 2330 <span class="has-text-grey is-size-6">CQRS challenges the assumption that reading and writing are supposed to share the same abstractions.</span> 2331 2332 2333 </a> 2334 </p> 2335 </div> 2336 2337 2338 2339 2340 <div class="block"> 2341 <p class="p-5"> 2342 <a href="/2013/11/value-objects-and-user-interfaces/"> 2343 <span class="has-text-grey-darker is-size-5">Value Objects and User Interfaces</span> 2344 <br> 2345 2346 2347 <span class="tag is-size-7 is-info is-light">Article</span> 2348 2349 2350 2351 <span class="has-text-grey is-size-6">Separate value objects in your model from concepts that serve the UI.</span> 2352 2353 2354 </a> 2355 </p> 2356 </div> 2357 2358 2359 2360 2361 <div class="block"> 2362 <p class="p-5"> 2363 <a href="/2013/10/pre-merge-code-reviews/"> 2364 <span class="has-text-grey-darker is-size-5">Pre-merge Code Reviews</span> 2365 <br> 2366 2367 2368 <span class="tag is-size-7 is-info is-light">Article</span> 2369 2370 2371 2372 <span class="has-text-grey is-size-6">Rules, benefits, patterns, and anti-patterns for reviewing code before merging it.</span> 2373 2374 2375 </a> 2376 </p> 2377 </div> 2378 2379 2380 2381 2382 <div class="block"> 2383 <p class="p-5"> 2384 <a href="/2013/10/verbs-in-class-names/"> 2385 <span class="has-text-grey-darker is-size-5">Verbs in Class Names</span> 2386 <br> 2387 2388
2389 <span class="tag is-size-7 is-info is-light">Article</span> 2390 2391 2392 2393 <span class="has-text-grey is-size-6">Use a verb to build a sentence. There will be no translation to code in your brain. The sentence _is_ the code.</span> 2394 2395 2396 </a> 2397 </p> 2398 </div> 2399 2400 2401 2402 2403 <div class="block"> 2404 <p class="p-5"> 2405 <a href="/2013/09/sensible-interfaces/"> 2406 <span class="has-text-grey-darker is-size-5">Sensible Interfaces</span> 2407 <br> 2408 2409 2410 <span class="tag is-size-7 is-info is-light">Article</span> 2411 2412 2413 2414 <span class="has-text-grey is-size-6">How did we get from 'Program to an interface, not to an implementation' to 'Just slap an interface on there, it's the fashionable thing to do'?</span> 2415 2416 2417 </a> 2418 </p> 2419 </div> 2420 2421 2422 2423 2424 <div class="block"> 2425 <p class="p-5"> 2426 <a href="/2013/09/extract-till-you-drop/"> 2427 <span class="has-text-grey-darker is-size-5">Extract Till You Drop</span> 2428 <br> 2429 2430 <span class="tag is-size-7 is-warning is-light">Presentation</span> 2431 2432 2433 2434 2435 <span class="has-text-grey is-size-6">If I'm not afraid to refactor messy code in front of a live audience, you shouldn't be afraid to do it in the comfort of your office.</span> 2436 2437 2438 </a> 2439 </p> 2440 </div> 2441 2442 2443 2444 2445 <div class="block"> 2446 <p class="p-5"> 2447 <a href="/2013/09/dddbe-modellathon/"> 2448 <span class="has-text-grey-darker is-size-5">The DDDBE Modellathon</span> 2449 <br> 2450 2451 <span class="tag is-size-7 is-warning is-light">Presentation</span> 2452 2453 2454 2455 2456 2457 </a> 2458 </p> 2459 </div> 2460 2461 2462 2463 2464 <div class="block"> 2465 <p class="p-5"> 2466 <a href="/2013/08/antifragile-nassim-nicholas-taleb/"> 2467 <span class="has-text-grey-darker is-size-5">Antifragile - Things That Gain from Disorder</span> 2468 <br> 2469 2470 2471 <span class="tag is-size-7 is-info is-light">Article</span> 2472 2473 2474 2475 <span class="has-text-grey is-size-6">Robustness only goes so far. Embrace a system's natural antifragility.</span> 2476 2477 2478 </a> 2479 </p> 2480 </div> 2481 2482 2483 2484 2485 <div class="block"> 2486 <p class="p-5"> 2487 <a href="/2013/08/facilitating-event-storming/"> 2488 <span class="has-text-grey-darker is-size-5">Facilitating Event Storming</span> 2489 <br> 2490 2491 2492 <span class="tag is-size-7 is-info is-light">Article</span> 2493 2494 2495 2496 <span class="has-text-grey is-size-6">Domain-Driven Design modelling for Agile teams, Brandolini-style.</span> 2497 2498 2499 </a> 2500 </p> 2501 </div> 2502 2503 2504 2505 2506 <div class="block"> 2507 <p class="p-5"> 2508 <a href="/2013/08/chip-dan-heath-switch/">
2509 <span class="has-text-grey-darker is-size-5">Switch - How to Change Things When Change Is Hard</span> 2510 <br> 2511 2512 2513 <span class="tag is-size-7 is-info is-light">Article</span> 2514 2515 2516 2517 <span class="has-text-grey is-size-6">Switch is a framework for change that aims to operate on the emotional side, the logical side, and the environment.</span> 2518 2519 2520 </a> 2521 </p> 2522 </div> 2523 2524 2525 2526 2527 <div class="block"> 2528 <p class="p-5"> 2529 <a href="/2013/08/john-gall-systemantics-the-systems-bible/"> 2530 <span class="has-text-grey-darker is-size-5">Systemantics - The Systems Bible</span> 2531 <br> 2532 2533 2534 <span class="tag is-size-7 is-info is-light">Article</span> 2535 2536 2537 2538 <span class="has-text-grey is-size-6">The System Kicks Back, Gets In The Way and Opposes Its Own Proper Function. Your own perspective becomes distorted by being In The System.</span> 2539 2540 2541 </a> 2542 </p> 2543 </div> 2544 2545 2546 2547 2548 <div class="block"> 2549 <p class="p-5"> 2550 <a href="/2013/07/managed-technical-debt/"> 2551 <span class="has-text-grey-darker is-size-5">Managed Technical Debt</span> 2552 <br> 2553 2554 2555 <span class="tag is-size-7 is-info is-light">Article</span> 2556 2557 2558 2559 <span class="has-text-grey is-size-6">We should make a distinction between Managed and Unmanaged Technical Debt.</span> 2560 2561 2562 </a> 2563 </p> 2564 </div> 2565 2566 2567 2568 2569 <div class="block"> 2570 <p class="p-5"> 2571 <a href="/2013/06/unbreakable-domain-models/"> 2572 <span class="has-text-grey-darker is-size-5">Unbreakable Domain Models</span> 2573 <br> 2574 2575 <span class="tag is-size-7 is-warning is-light">Presentation</span> 2576 2577 2578 2579 2580 2581 </a> 2582 </p> 2583 </div> 2584 2585 2586 2587 2588 <div class="block"> 2589 <p class="p-5"> 2590 <a href="/2013/04/decoupling-symfony2-forms-from-entities/"> 2591 <span class="has-text-grey-darker is-size-5">Decoupling (Symfony2) Forms from Entities</span> 2592 <br> 2593 2594 2595 <span class="tag is-size-7 is-info is-light">Article</span> 2596 2597 2598 2599 <span class="has-text-grey is-size-6">Avoid tight coupling between your forms and your Entities by using the Command pattern as an intermediate.</span> 2600 2601 2602 </a> 2603 </p> 2604 </div> 2605 2606 2607 2608 2609 <div class="block"> 2610 <p class="p-5"> 2611 <a href="/2013/04/crud-is-an-anti-pattern/"> 2612 <span class="has-text-grey-darker is-size-5">CRUD is an antipattern</span> 2613 <br> 2614 2615
2616 <span class="tag is-size-7 is-info is-light">Article</span> 2617 2618 2619 2620 <span class="has-text-grey is-size-6">CRUD doesn't express behaviour. Avoid setters, and use expressive, encapsulated operations instead.</span> 2621 2622 2623 </a> 2624 </p> 2625 </div> 2626 2627 2628 2629 2630 <div class="block"> 2631 <p class="p-5"> 2632 <a href="/2013/02/2013-02-16-casting-value_objects/"> 2633 <span class="has-text-grey-darker is-size-5">Casting Value Objects to strings</span> 2634 <br> 2635 2636 2637 <span class="tag is-size-7 is-info is-light">Article</span> 2638 2639 2640 2641 <span class="has-text-grey is-size-6">Cast Value Objects to strings that can be parsed back into the Value Object.</span> 2642 2643 2644 </a> 2645 </p> 2646 </div> 2647 2648 2649 2650 2651 <div> 2652 <div class="divider is-size-7">2012</div> 2653 </div> 2654 2655 2656 <div class="block"> 2657 <p class="p-5"> 2658 <a href="/2012/12/2012-12-23-how-to-read-more-books/"> 2659 <span class="has-text-grey-darker is-size-5">How to Read More Books</span> 2660 <br> 2661 2662 2663 <span class="tag is-size-7 is-info is-light">Article</span> 2664 2665 2666 2667 <span class="has-text-grey is-size-6">An ever-growing list of tips that help me read more books.</span> 2668 2669 2670 </a> 2671 </p> 2672 </div> 2673 2674 2675 2676 2677 <div> 2678 <div class="divider is-size-7">2011</div> 2679 </div> 2680 2681 2682 <div class="block"> 2683 <p class="p-5"> 2684 <a href="/2011/10/code-folder-structure/"> 2685 <span class="has-text-grey-darker is-size-5">Code Folder Structure</span> 2686 <br> 2687 2688 2689 <span class="tag is-size-7 is-info is-light">Article</span> 2690 2691 2692 2693 2694 </a> 2695 </p> 2696 </div> 2697 2698 2699 2700 2701 <div class="block"> 2702 <p class="p-5"> 2703 <a href="/2011/07/coping-with-change-in-software-development/"> 2704 <span class="has-text-grey-darker is-size-5">Coping with Change in Software Development</span> 2705 <br> 2706 2707 2708 <span class="tag is-size-7 is-info is-light">Article</span> 2709 2710 2711 2712 <span class="has-text-grey is-size-6">Change is not your enemy, it's your job.</span> 2713 2714 2715 </a> 2716 </p> 2717 </div> 2718 2719 2720 2721 2722 <div class="block"> 2723 <p class="p-5"> 2724 <a href="/2011/05/lazy-loading-with-closures/"> 2725 <span class="has-text-grey-darker is-size-5">Lazy Loading in PHP with Closures</span> 2726 <br> 2727 2728 2729 <span class="tag is-size-7 is-info is-light">Article</span> 2730 2731 2732 2733 2734 </a> 2735 </p> 2736 </div> 2737 2738 2739 2740 2741 <div class="block"> 2742 <p class="p-5"> 2743 <a href="/2011/05/ubiquitous-language/">
2744 <span class="has-text-grey-darker is-size-5">Ubiquitous Language</span> 2745 <br> 2746 2747 2748 <span class="tag is-size-7 is-info is-light">Article</span> 2749 2750 2751 2752 2753 </a> 2754 </p> 2755 </div> 2756 2757 2758 2759 2760 <div class="block"> 2761 <p class="p-5"> 2762 <a href="/2011/04/beautiful-code/"> 2763 <span class="has-text-grey-darker is-size-5">Beautiful code</span> 2764 <br> 2765 2766 2767 <span class="tag is-size-7 is-info is-light">Article</span> 2768 2769 2770 2771 2772 </a> 2773 </p> 2774 </div> 2775 2776 2777 2778 2779 <div class="block"> 2780 <p class="p-5"> 2781 <a href="/2011/04/fowler-money-pattern-in-php/"> 2782 <span class="has-text-grey-darker is-size-5">Representing Money in PHP, Fowler-style</span> 2783 <br> 2784 2785 2786 <span class="tag is-size-7 is-info is-light">Article</span> 2787 2788 2789 2790 2791 </a> 2792 </p> 2793 </div> 2794 2795 2796 2797 2798 <div class="block"> 2799 <p class="p-5"> 2800 <a href="/2011/03/git-vs-svn/"> 2801 <span class="has-text-grey-darker is-size-5">Random thoughts on using Git</span> 2802 <br> 2803 2804 2805 <span class="tag is-size-7 is-info is-light">Article</span> 2806 2807 2808 2809 2810 </a> 2811 </p> 2812 </div> 2813 2814 2815 2816 2817 <div class="block"> 2818 <p class="p-5"> 2819 <a href="/2011/03/accessing-private-properties-from-other-instances/"> 2820 <span class="has-text-grey-darker is-size-5">Accessing private properties from other instances</span> 2821 <br> 2822 2823 2824 <span class="tag is-size-7 is-info is-light">Article</span> 2825 2826 2827 2828 2829 </a> 2830 </p> 2831 </div> 2832 2833 2834 2835 2836 <div class="block"> 2837 <p class="p-5"> 2838 <a href="/2011/03/keep-you-controllers-thin-with-doctrine2/"> 2839 <span class="has-text-grey-darker is-size-5">Keep your controllers thin with Doctrine2</span> 2840 <br> 2841 2842 2843 <span class="tag is-size-7 is-info is-light">Article</span> 2844 2845 2846 2847 2848 </a> 2849 </p> 2850 </div> 2851 2852 2853 2854 2855 <div class="block"> 2856 <p class="p-5"> 2857 <a href="/2011/03/interface-discovery-with-phpunit-mock-objects/"> 2858 <span class="has-text-grey-darker is-size-5">Interface discovery with PHPUnitâs Mock objects</span> 2859 <br> 2860 2861 2862 <span class="tag is-size-7 is-info is-light">Article</span> 2863 2864 2865 2866 2867 </a> 2868 </p> 2869 </div> 2870 2871 </div> 2872 </div> 2873</section> 2874 2875 2876 2877 2878<footer class="footer mt-7"> 2879 <div class="content"> 2880 <p> 2881 <br> 2882 </p> 2883 </div> 2884</footer>
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