Technology consultant & fractional CTO specializing in .NET architecture & security. Microsoft MVP | Host of The Modern .NET Show | Open source contributorhttps://bsky.app/profile/gaprogman.comhttps://bsky.app/profile/gaprogman.com/post/3mlbljxjv7y2d𝗣𝗼𝘀𝘁 𝟭: Szymon Kulec joins me for a deep dive into systems programming in .NET: profiling, benchmarking, and the rare cases where unsafe code is justified. 🔗 dotnetcore.show/season-8/measure-twice-cut-once-benchmarking-hot-paths-and-the-chainsaw-of-unsafe-code-with-szymon-kulec/ http://dotnetcore.show/season-8/measure-twice-cut-once-benchmarking-hot-paths-and-the-chainsaw-of-unsafe-code-with-szymon-kulec/07 May 2026 16:00 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mlbljxjv7y2dhttps://bsky.app/profile/gaprogman.com/post/3ml76ydd7w22aHas anyone else started adding @horrorgeek.bsky.social quotes into their day-to-day speech? I've been caught telling people, "stop! You're gonna flood it," saying that my JR impression is off the charts, and telling people that we're "half a mile from paradise," but we're late for football practice.06 May 2026 17:10 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3ml76ydd7w22ahttps://bsky.app/profile/gaprogman.com/post/3ml6m2fcsho2q𝗣𝗼𝘀𝘁 𝟭: New CPD blog post: lessons from Fundamentals of Software Architecture by Richards and Ford 🎯 🔗 rjj-software.co.uk/blog/continual-professional-development/fundamentals-of-software-architecture-lessons-for-modern-tech-teams/ http://rjj-software.co.uk/blog/continual-professional-development/fundamentals-of-software-architecture-lessons-for-modern-tech-teams/06 May 2026 11:31 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3ml6m2fcsho2qhttps://bsky.app/profile/gaprogman.com/post/3ml43l5br3v2h𝗣𝗼𝘀𝘁 𝟭/𝟱 The most common architecture question I get asked: "Should we use microservices?" The honest answer is always "it depends." The quality of your architecture depends entirely on how well you understand what it depends on.05 May 2026 11:31 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3ml43l5br3v2hhttps://bsky.app/profile/gaprogman.com/post/3mkzwvz6ljs2j"GameStop buys eBay" was not on my 2026 bingo card.04 May 2026 15:02 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mkzwvz6ljs2jhttps://bsky.app/profile/gaprogman.com/post/3mkzhr3r5tj2q𝗣𝗼𝘀𝘁 𝟭: The write-up from last month's trade mission to China and Hong Kong is now live 🎯 Five days. Three cities. The largest UK trade delegation to China in several years. 🔗 rjj-software.co.uk/news/rjj-software-returns-from-trade-mission-to-china-and-hong-kong/ http://rjj-software.co.uk/news/rjj-software-returns-from-trade-mission-to-china-and-hong-kong/04 May 2026 10:31 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mkzhr3r5tj2qhttps://bsky.app/profile/gaprogman.com/post/3mkug2tnqzk2vI'm seeing reports of people using VS Code's git view to commit and tab completeing on ghost text in a commit message, finding out that Copilot is automatically added as a contributor for the commit. Little bit sneaky. But then, isn't helping with the commit message technically a contribution?02 May 2026 10:17 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mkug2tnqzk2vhttps://bsky.app/profile/gaprogman.com/post/3mkubsnyidy2r𝗧𝗼𝗽𝗶𝗰: Blog Post – Practical Leadership Advice Three things leaders can do to support performance work: ✅ Allocate recurring sprint capacity (not a hackathon) ✅ Make performance a first-class build artefact ✅ Use AI as a toolkit, not a replacement for judgement 🔗 https://rjj-software.co.uk/blog/mechanical-sympathy-the-case-for-giving-engineers-time-to-optimise/02 May 2026 09:01 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mkubsnyidy2rhttps://bsky.app/profile/gaprogman.com/post/3mksirj4mgz2m𝗣𝗼𝘀𝘁 𝟭: ⚠️ AI generates plausible code. A thousand slightly over-allocating routines that all pass review and collectively produce something bloated and quietly expensive to run. That's the argument for pairing AI adoption with performance investment.01 May 2026 16:00 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mksirj4mgz2mhttps://bsky.app/profile/gaprogman.com/post/3mkrpngd6e724S08E18 - Measure Twice, Cut Once: Benchmarking, Hot Paths and the Chainsaw of Unsafe Code with Szymon Kulec Szymon Kulec joins Jamie to explore systems programming in .NET: profiling with dotTrace, micro-benchmarking with BenchmarkDotNet, taking ownership of memory with stackalloc and refs, and k https://dotnetcore.show/season-8/measure-twice-cut-once-benchmarking-hot-paths-and-the-chainsaw-of-unsafe-code-with-szymon-kulec/01 May 2026 08:31 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mkrpngd6e724https://bsky.app/profile/gaprogman.com/post/3mkrnwx37gj2y𝗣𝗼𝘀𝘁 𝟭/𝟰: Last week: five days across #Guangzhou, #Shenzhen, and #HongKong on a trade mission with the West & North Yorkshire Chamber of Commerce. The largest UK trade delegation to China in several years. Here is what each city taught me.01 May 2026 08:00 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mkrnwx37gj2yhttps://bsky.app/profile/gaprogman.com/post/3mkphbmmpts24Oh snap! The show crossed the 1.25 mil total downloads! dotnetcore.show/press-kit/30 Apr 2026 10:55 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mkphbmmpts24https://bsky.app/profile/gaprogman.com/post/3mkpasxtogg2h𝗣𝗼𝘀𝘁 𝟭: 🎧 New episode of The Modern .NET Show! Joydip Kanjilal joins me to talk GitHub Copilot: what it is, what it isn't, and how to get the most from it. 🔗 https://dotnetcore.show/season-8/context-is-everything-getting-the-most-from-github-copilot-with-joydip-kanjilal/30 Apr 2026 09:00 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mkpasxtogg2hhttps://bsky.app/profile/gaprogman.com/post/3mkjp5cldys2cJust got an email from GitHub. Apparently a release failed. I get the feeling that something serious messed up when the release started... 30 days ago. According to the log, the release action ran for 30 days before failing. That can't be right. And should I expect a massive bill at somepoint?28 Apr 2026 04:00 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mkjp5cldys2chttps://bsky.app/profile/gaprogman.com/post/3mkhr3ziqg22m𝗣𝗼𝘀𝘁 𝟭: New blog post: Mechanical Sympathy; The Case for Giving Engineers Time to Optimise 🎯 This one's for the people who decide whether their engineers get that time. 🔗 https://rjj-software.co.uk/blog/mechanical-sympathy-the-case-for-giving-engineers-time-to-optimise/27 Apr 2026 09:30 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mkhr3ziqg22mhttps://bsky.app/profile/gaprogman.com/post/3mkhpgnqsxz2q𝗣𝗼𝘀𝘁 𝟭: 💭 There's a belief in tech that the best developers don't need process; they just 𝘬𝘯𝘰𝘸. Atul Gawande calls this out. Real expertise isn't perfect memory. It's knowing which mistakes are most likely and building systems to prevent them.27 Apr 2026 09:00 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mkhpgnqsxz2qhttps://bsky.app/profile/gaprogman.com/post/3mkcvb2hwso2rFinal day of the trade mission: Hong Kong Science and Technology Park this morning, then a sunset networking cruise to close the week. It's been an intensive, valuable week.25 Apr 2026 11:01 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mkcvb2hwso2rhttps://bsky.app/profile/gaprogman.com/post/3mkafvnchoc2aMeanwhile in Hong Kong24 Apr 2026 11:21 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mkafvnchoc2ahttps://bsky.app/profile/gaprogman.com/post/3mk6ezlyk6f2m𝗣𝗼𝘀𝘁 𝟭: 🎧 New episode of The Modern .NET Show! Joydip Kanjilal joins me to talk GitHub Copilot: what it is, what it isn't, and how to get the most from it. https://dotnetcore.show/season-8/context-is-everything-getting-the-most-from-github-copilot-with-joydip-kanjilal/23 Apr 2026 16:00 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mk6ezlyk6f2mhttps://bsky.app/profile/gaprogman.com/post/3mk5gm4huic2yLook at what I get to do! I was just at the British Consulate in Hong Kong as part of a trade mission.23 Apr 2026 06:56 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mk5gm4huic2yhttps://bsky.app/profile/gaprogman.com/post/3mk3fiuczwn2qShenzhen today: a company visit to BYD as part of the Chamber trade mission. Whatever your view on the competitive landscape, the pace of innovation here is remarkable. Seeing it first-hand changes your perspective as a technologist. Hong Kong next.22 Apr 2026 11:30 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mk3fiuczwn2qhttps://bsky.app/profile/gaprogman.com/post/3mjzvev4r6k2xClaude Code no longer available on @anthropic.com's Pro plan it seems. claude.com/pricing https://claude.com/pricing21 Apr 2026 21:09 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mjzvev4r6k2xhttps://bsky.app/profile/gaprogman.com/post/3mjze3y3jhk2q𝗣𝗼𝘀𝘁 𝟭: New CPD blog post: what The Checklist Manifesto teaches us about managing complexity in software teams 🎯 🔗 https://rjj-software.co.uk/blog/continual-professional-development/the-checklist-manifesto-lessons-in-managing-complexity-for-modern-tech-teams/21 Apr 2026 16:00 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mjze3y3jhk2qhttps://bsky.app/profile/gaprogman.com/post/3mjxovbkxx22cI love how literal some Chinese to English translations are. Left to right, this reads: - blade - fork (as in "fork in the road") - ladle Those are just one of many ways to read these characters, but the closest to their stated English meanings.21 Apr 2026 00:08 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mjxovbkxx22chttps://bsky.app/profile/gaprogman.com/post/3mjw5ule4dj2q𝗣𝗼𝘀𝘁 𝟭: Day one in Guangzhou on the trade mission with the West & North Yorkshire Chamber of Commerce 🎯 Meetings today with the British Chamber of Commerce South China, British Consulate General, and a Sinoport event.20 Apr 2026 09:31 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mjw5ule4dj2qhttps://bsky.app/profile/gaprogman.com/post/3mjw4tyw2b22uLook at what I get to do! Today I was at an event celebrating and announcing the opening of a collaboration between Sinoport and Teeside Airport, in Guangzhou, China.20 Apr 2026 09:12 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mjw4tyw2b22uhttps://bsky.app/profile/gaprogman.com/post/3mjr37m6thm22⚠️ Most teams don't set out to become manager-heavy. It happens gradually: a compliance need here, a growth phase there. I wrote a three-part series on spotting the pattern and fixing it. Part 3 covers the practical steps. 💭 Has your team ever had more people overseeing work than doing it? http://rjj-software.co.uk/blog/too-many-waiters-not-enough-cooks-practical-steps-for-change/18 Apr 2026 09:00 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mjr37m6thm22https://bsky.app/profile/gaprogman.com/post/3mjpexoymck2uOh hey, they read out my tip. I genuinely do this all the time. [contains quote post or other embedded content]17 Apr 2026 16:49 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mjpexoymck2uhttps://bsky.app/profile/gaprogman.com/post/3mjpcbjitii2d𝗣𝗼𝘀𝘁 𝟭: 💭 One idea from my latest blog post that gets overlooked: fractional leadership. Not every growing company needs a full-time CTO. 2–4 days a month of strategic guidance can fill the gap without adding permanent management overhead.17 Apr 2026 16:01 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mjpcbjitii2dhttps://bsky.app/profile/gaprogman.com/post/3mjolngf3t22gOh honey no. That's not how to make anything secure. EU Age Verification app hacked in under 2 minutes https://xcancel.com/Paul_Reviews/status/204472312328766692117 Apr 2026 09:16 +0000at://did:plc:l57xtcclnxkd3p535queikal/app.bsky.feed.post/3mjolngf3t22g