Pol Piella
@polpielladev
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App maker, content creator and public speaker based in Manchester. Building @helm_app, @NowPlayingGold, QReate and Fosi.
Barcelona, Spain
Joined November 2017
๐๐ This was Day 17 of the #AdventOfPerformance series! If you enjoy this content and want to learn more, make sure you follow me! https://t.co/zf2KSBD8bp
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Want to audit your app for memory leaks without guesswork or stopping execution to inspect the memory debugger? ๐ช Just spin up the Leaks instrument, use your app as you normally would, and get a clear visual indication of any instances that leak along the way.
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๐ฅ Live now! Join me for FREE to learn how to run Unit Tests on real devices as part of your CI/CD pipeline. ๐
streamyard.com
Testing your app across a wide range of real physical devices is one of the best ways to ensure it behaves consistently and reliably for every user. While simulators are invaluable during developme...
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๐๐ This was Day 15 of the #AdventOfPerformance series! If you enjoy this content and want to learn more, make sure you follow me! https://t.co/zf2KSBDG0X
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๐ If you use Foundation Models in, this one line change could have a big impact on your first request to a Language Model Session! By default, model resources load lazily on the first request. Call prewarm and load them at app launch instead to speed up your first request!
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New issue of the iOS CI Newsletter is out, this week we talk about: โก Tips and tricks to speed up your app ๐ฅ A new FREE webinar for subscribers ๐ฆ Installing PR CI artifacts on your phone ๐คฉ Automated Accessibility Testing ๐ New EU CI/CD data centers ๐ This issue was kindly
ioscinewsletter.com
Issue 83 of the iOS CI Newsletter, a fortnightly publication containing the latest iOS CI/CD news from the community.
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Evento maรฑana! Vamos abrir plazas de รบltima hora. Prioridad para gente trabajando en apps y usuarios de RC!
Meetup en pleno Callao para hablar de lo que mรกs nos gusta: apps y dinero ๐ธ Pรกsate para conocer a parte del equipo de @RevenueCat Espaรฑa. Habrรก comida, buen ambiente y muchas ganas de compartir. Plazas limitadas! https://t.co/XRYkJpF6EV
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๐๐ This was Day 15 of the #AdventOfPerformance series! If you enjoy this content and want to learn more, make sure you follow me! https://t.co/zf2KSBD8bp
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During WWDC this year, Apple introduced a brand-new Instrument to help optimize your appโs impact on battery life: Power Profiler. ๐ก Even better, Apple also added a Control Center action that lets you measure your appโs performance directly on-device without Xcode and capture
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My goal for 2026 is to launch my very first game. Itโs been decades in the making, and if youโre a fan of collectible card games, stay tuned!
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๐๐ This was Day 14 of the #AdventOfPerformance series! If you enjoy this content and want to learn more, make sure you follow me! https://t.co/zf2KSBD8bp
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Thereโs one setting in the Developer menu you should enable today ๐ Hang Detection gives you visual feedback when hangs occur for TestFlight & Development builds on your device and automatically collects diagnostics, giving you the best chance at fixing them!
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๐๐ This was Day 13 of the #AdventOfPerformance series! If you enjoy this content and want to learn more, make sure you follow me! https://t.co/zf2KSBD8bp
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It mostly flew under the radar, but at this yearโs WWDC Apple added a new App Store Connect API endpoint to fetch power & performance metrics for the latest version of your app. You can programmatically access data like hangs, memory usage, and more ๐ This unlocks some really
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Sometimes the most impactful changes are not hard to implement! ๐ 3 lines of code == 100x faster!
Not all performance improvements require a lot of research and code changes! Don't underestimate the power of low-effort wins like this one! ๐ก This is a 3 lines of code trick I use all the time in @helm_app that makes parsing responses ~100x faster!
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๐๐ This was Day 12 of the #AdventOfPerformance series! If you enjoy this content and want to learn more, make sure you follow me! https://t.co/zf2KSBDG0X
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Not all performance improvements require a lot of research and code changes! Don't underestimate the power of low-effort wins like this one! ๐ก This is a 3 lines of code trick I use all the time in @helm_app that makes parsing responses ~100x faster!
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๐ ๐ This was Day 11 of the #AdventOfPerformance series! If you enjoy this content and want to learn more, make sure you follow me! https://t.co/zf2KSBD8bp
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๐ฆ Here's a more in-depth explanation, with ready-to-copy code that you can start using today! https://t.co/oNgIefjJVS
polpiella.dev
Learn how to automatically detect memory leaks in your Apple apps using UI tests and Xcode's XCTest framework.
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๐จโ๐ง Have you ever wanted to automatically check for memory leaks in your app? Or generate a memory graph after performing actions, right from the command line, and feed it to an AI agent to fix the leaks? Hereโs a workflow that lets you do exactly that!
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