Philippe Gaultier's blog2026-03-19T09:34:49+01:00Philippe Gaultierurn:uuid:9c065c53-31bc-4049-a795-936802a6b1dfGetting started with Scheme by solving an Advent of Code 2018 challengeurn:uuid:b3c0c1c1-e36f-51fd-9356-99f8686e73292026-03-04T17:13:39+01:002019-09-05T11:45:48+02:00How to compile LLVM, Clang, LLD, and Ziglang from source on Alpine Linuxurn:uuid:6cccb673-c083-550b-a1c8-d7a27819f1c72025-07-07T16:51:52+02:002020-09-07T20:49:20+02:00Adventures in CI land, or how to speed up your CIurn:uuid:4663e8ea-73ab-56ef-9dc5-8dbb4743d84a2026-03-04T16:24:07+01:002020-09-21T08:37:07+02:00Learn x86-64 assembly by writing a GUI from scratchurn:uuid:fa923100-dd66-531e-bdab-8eed3527960f2026-02-23T09:56:17+01:002023-05-31T14:24:11+02:00Cycle detection in graphs does not have to be hard: A lesser known, simple way with Kahn's algorithmurn:uuid:665ef523-5c28-5dad-8582-587bfea272052026-03-04T16:24:07+01:002023-06-03T09:20:51+02:00Optimizing an Advent of Code solution in assemblyurn:uuid:371c9129-162e-5d69-af73-c3263a2f7e472026-03-04T16:24:07+01:002023-10-05T15:39:43+02:00Learn Wayland by writing a GUI from scratchurn:uuid:6b96e587-14ff-53a9-a142-d20e9c53d9702026-03-12T08:32:22+01:002023-10-12T13:19:53+02:00Roll your own memory profiling: it's actually not hardurn:uuid:5344c109-864c-5db2-97a9-24834e0531692026-03-04T16:24:07+01:002023-11-23T11:26:11+01:00Solving a problem with Gnuplot, the programming language (not the plotting software!)urn:uuid:f2d9c4e3-5c3d-57ab-8083-0f56daf1f41e2025-07-07T21:09:49+02:002023-12-01T15:15:26+01:00This blog now has an Atom feed, and yours should probably toourn:uuid:1f4df7db-eea8-5ef0-ae92-1038111f5dc92025-09-17T09:33:23+02:002023-12-15T12:23:43+01:00Body of workurn:uuid:b6ce21d7-32d4-5b52-a4f3-435887fe9ba42025-06-10T08:45:01+02:002023-12-19T14:27:40+01:00Quick and easy PNG image size reductionurn:uuid:1cd73d67-ad32-5cdc-93a7-f4046d7cd4a52025-09-17T09:33:23+02:002024-02-23T11:27:43+01:00You've just inherited a legacy C++ codebase, now what?urn:uuid:b9c26cf9-cb85-5ca9-b52f-5cdd535a3b842026-03-08T17:21:06+01:002024-02-29T09:30:30+01:00A small trick to improve technical discussions by sharing codeurn:uuid:ec2664b2-2153-5f24-a222-21f87171b57b2026-03-04T16:24:07+01:002024-03-07T11:14:09+01:00How to rewrite a C++ codebase successfullyurn:uuid:70495e98-9416-5945-9178-1b77e690ea862026-03-04T16:24:07+01:002024-05-03T14:46:42+02:00Let's write a video game from scratch like it's 1987urn:uuid:6bea7a85-d449-5f4d-9ab6-7e627c67ba572026-03-04T16:24:07+01:002024-06-20T07:44:40ZOdin and musl: Cross-compiling Odin programs for the Raspberry Pi Zerourn:uuid:5fa076c9-2d59-5651-8337-9f2fb85d9e3e2025-07-07T21:11:35+02:002024-09-10T12:59:04+02:00A small trick for simple Rust/C++ interopurn:uuid:fdfd0b73-184a-5d7f-91f0-457820b278d82026-03-04T16:24:07+01:002024-09-19T18:09:57+02:00Tip of the day #1: Count lines of Rust code, ignoring testsurn:uuid:7f069c67-f7cc-5b66-99c5-2406560479722025-07-07T16:51:52+02:002024-10-29T13:46:14+01:00Tip of the day #2: A safer arena allocatorurn:uuid:dd624149-10e7-5563-af44-efda307fa0412025-07-07T21:23:20+02:002024-10-29T16:15:48+01:00Lessons learned from a successful Rust rewriteurn:uuid:82d0f141-d7cc-5bee-84b0-18bc3e699a9f2026-03-08T10:41:46+01:002024-10-30T11:46:57+01:00Tip of the day #3: Convert a CSV to a markdown or HTML tableurn:uuid:94af4e61-6ac9-52eb-8d33-cdf29b9abf022025-07-07T16:51:52+02:002024-10-31T16:09:02+01:00Perhaps Rust needs "defer"urn:uuid:55eb4918-5851-5a25-80d5-d350aad8971b2026-03-08T17:21:06+01:002024-11-06T08:33:45+01:00Way too many ways to wait on a child process with a timeouturn:uuid:38fa76b5-00c5-5e17-9753-74b7d0ea1ec02026-03-04T17:13:39+01:002024-11-10T23:58:59+01:00The missing cross-platform OS API for timersurn:uuid:87e0c181-0c40-53af-954a-0dffe18812782026-03-04T16:24:07+01:002025-02-02T23:11:55+01:00Tip of the day #4: Type annotations on Rust match patternsurn:uuid:c4aa2dc8-0d40-5ce8-9b46-ac6c7f41dea62026-03-04T16:24:07+01:002025-02-11T16:47:16+01:00Addressing CGO pains, one at a timeurn:uuid:07006a7b-7a02-50db-aa27-568407c1f5882026-03-08T17:21:06+01:002025-02-14T13:14:11+01:00Making my debug build run 100x faster so that it is finally usableurn:uuid:a5f75104-e439-59db-b54f-c7f65d76b3392026-03-04T16:24:07+01:002025-02-18T08:07:55+01:00Tip of the day #5: Install Go tools with a specific versionurn:uuid:39a7f948-a91a-5dea-8f36-8c8aaf8d01b62025-07-07T16:51:52+02:002025-02-18T12:02:06+01:00Making my static blog generator <del>11</del> 33 times fasterurn:uuid:d29b6ec2-f895-5f2f-896f-2f343766fc852026-03-06T16:14:05+01:002025-02-19T15:13:54+01:00Tip of the day #6: Use Bpftrace to estimate how much memory an in-memory cache will useurn:uuid:1364b66b-c20b-5130-a782-2c785188ed892026-03-08T17:21:06+01:002025-03-12T13:35:23+01:00Build PIE executables in Go: I got nerd-snipedurn:uuid:dc223815-7853-5330-8e0c-46251ae2419d2026-03-04T16:24:07+01:002025-03-18T14:55:21+01:00What should your mutexes be named?urn:uuid:0917ef9a-670e-5705-be73-b007cd362f862026-03-04T16:24:07+01:002025-06-09T23:30:04+02:00A subtle data race in Gourn:uuid:2bbc9f5e-3d29-5c97-8568-795307bafe6c2026-03-04T16:24:07+01:002025-06-10T20:02:21+02:00An optimization and debugging story with Go and DTraceurn:uuid:f88592d4-3a30-5f83-aea7-ec456edbc8482026-03-04T16:24:07+01:002025-07-01T19:20:47+02:00A subtle bug with Go's errgroupurn:uuid:91dd6f95-7f4d-5706-91b5-f2cbf6b89f092026-03-04T16:24:07+01:002025-08-09T10:07:00+02:00An amusing blind spot in Go's static analysisurn:uuid:cc97adce-0e6e-5ec7-89fe-db04808b1b4c2026-03-04T16:24:07+01:002025-08-22T11:17:32+02:00Observe live SQL queries in Go with DTraceurn:uuid:e0b0bae7-993a-5691-9efe-b7615415b9442026-03-16T11:40:59+01:002025-09-11T11:37:44+02:00Are my SQL files read at build time or run time?urn:uuid:8a33a55a-190b-5afc-8978-66976b6ecda82025-09-17T09:16:05+02:002025-09-16T17:38:32+02:00See all network traffic in a Go program, even when encrypted and compressedurn:uuid:0c714eff-cc83-539a-99a7-b9043996241d2026-03-04T16:24:07+01:002025-09-25T16:50:53+02:00How to reproduce and fix an I/O data race with Go and DTraceurn:uuid:8d5cd0cd-5a6d-5e55-80e9-63cd36488f072026-03-08T17:21:06+01:002025-10-01T16:47:19+02:00A million ways to die from a data race in Gourn:uuid:a13c572e-50c1-5844-90f1-55aef92bda422025-12-15T09:12:45+01:002025-11-21T13:38:45+01:00What HTTP routes does your application provide?urn:uuid:c3d78b44-758d-5770-aaa6-959f126eb04e2026-03-13T16:59:58+01:002025-12-03T10:20:30+01:00Detecting goroutine leaks with DTraceurn:uuid:5390e265-a3aa-5972-a291-25b7c90c8fcf2026-03-04T16:24:07+01:002025-12-21T18:06:44+01:00The production bug that made me care about undefined behaviorurn:uuid:5e8b603b-49e4-5967-b798-c0f06d2034d82026-03-04T16:24:07+01:002025-12-27T10:45:59+01:00A silly shell pitfallurn:uuid:26cefafe-8cec-5ea6-99ce-8a57b82a67542026-03-06T14:40:53+01:002026-03-04T17:53:43+01:00In Rust, <code>let _ = ...</code> and <code>let _unused = ...</code> are not the sameurn:uuid:3d764e18-e66a-52a6-86e6-cd20dad3b30a2026-03-06T22:28:50+01:002026-03-06T15:14:07+01:00How to make your own static site generatorurn:uuid:11e1f1d7-6105-5048-967d-7f57942f62602026-03-15T17:16:35+01:002026-03-09T16:05:54+01:00Detect data races with DTrace in any languageurn:uuid:413e821b-8449-5c1c-85d6-578aa3fe3f742026-03-19T09:34:49+01:002026-03-11T13:35:11+01:00