"Your GitOps Hub Will Become the Bottleneck Long Before Cluster Count Tells You"
Your GitOps Hub Will Become the Bottleneck Long Before Cluster Count Tells You GitOps hub bottlenecks are usually predicted more accurately by watched…
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Array methods are eager. Iterator helpers are lazy. Here's why that matters.
Every time you chain .filter() and .map() on an array, JavaScript creates two new arrays. For small lists this is invisible. For a large dataset, a ge…
Stress-testing my Multi-LLM engine: 93 chunks, 8 models, and one "Insufficient Balance" error.
Last week, I decided to push my consensus engine, NexaVerify , to its absolute limits. I wanted to see if my architecture could handle a massive paral…
React Native List Performance — ScrollView, FlatList, SectionList, FlashList
Your feed scrolls fine with 20 items. Ship 2,000 and the UI starts hitching, memory climbs, and “just wrap it in a ScrollView ” becomes the bug report…
The Bigger Your CLAUDE.md Gets, the Slower Claude Code Runs — Measuring Context Injection Bytes Weekly to Catch Degradation Early
This is the next installment in my "Claude Code environment" series. In the previous post on the self-audit frustration loop , I wrote about a "never-…
Cache Invalidation Strategies with Redis
There's an old joke that there are only two hard problems in computer science: cache invalidation and naming things. The joke endures because it's tru…
Refresh-Ahead Caching with Redis
Every cache pattern so far accepts that cache misses happen: a key expires, a request misses, and someone pays the cost of reloading from the database…
Write-Behind (Write-Back) Caching with Redis
Write-through keeps the cache and database consistent by writing to both synchronously, which makes writes as slow as the database. Write-behind takes…
Read-Through and Write-Through Caching with Redis
Cache-aside puts the caching logic in your application. Read-through and write-through move it into the cache layer itself, so the application talks t…
The Cache-Aside Pattern with Redis
Cache-aside is the caching pattern you'll use most, and probably the one you already use without knowing its name. The application checks the cache fi…
Redis Key Expiration, TTL, and Eviction Policies
Redis holds everything in memory, which raises an obvious question: what stops it from filling up and falling over? The answer is two mechanisms worki…
Redis Sorted Sets and Ranked Data
If you learn one Redis structure deeply, make it the sorted set. It's a set where every member carries a numeric score, and members stay ordered by th…
Redis Data Structures: An Overview
The reason Redis solves so many problems is that it isn't one thing, it's a collection of data structures, each with commands tuned for a specific acc…
s3fifo 1.0: Zero-Allocation S3-FIFO Cache for Node.js is Ready for Production
Disclaimer: As a non-native English speaker, I used AI to help structure and polish this article. A few dayss ago, I shared Implementing a Zero-Alloca…
Building a 100/100 Mobile Speed Net Worth Calculator with Astro & Tailwind
Hey everyone, Wanted to share a small financial benchmark tool I built over the past few weeks: https://getnetworthcalculator.com The Problem Most net…
How the V8 Engine Optimizes JavaScript at Runtime
.The V8 engine speeds up JavaScript by dynamically compiling frequently run bytecode into optimized native machine code. However, if you pass inconsis…
Building Zero-Reload Web Forms: Master Modern Async/Await JavaScript Fetch API
Modern web applications demand responsive, non-blocking user flows. This tutorial demonstrates a production-grade implementation for handling form sub…
Perceived Latency: The Invisible KPI Killing Voice Experiences
Perceived Latency: The Invisible KPI Killing Voice Experiences Your teams track conversion, NPS, session time. Nobody tracks the assistant's silence. …
Stop recomputing OHLCV indicators after every new bar
A four-year, 15-minute crypto backtest is about 140k bars for one symbol. With 50 symbols, that is already around 7 million rows before parameter swee…
🚀 I Combined 3 AI Models Using Hermes Agent’s Mixture of Agents! Here’s What Happened
We spend a lot of time asking one question: Which AI model is the smartest? GPT? Claude? DeepSeek? MiniMax? But after experimenting with Hermes Agent’…
What MasterMemory Solves—and What It Doesn't: A Practical Guide to Static Game Data in Unity
Introduction When you build games with Unity, you eventually run into the problem of managing static game data—often called master data in Japanese ga…
Improving UX in Three.js 'Scroll Me' Websites: Addressing Common Pitfalls for Better User Engagement
Introduction: The Allure and Pitfalls of Three.js 'Scroll Me' Websites Three.js "scroll me" websites are digital marvels—visually stunning, pushing th…
How I export 1.2-gigapixel images on an iPhone without running out of memory
Rendering a big image on iOS is one of those things that looks trivial until your app gets killed by the OS mid-export. CGContext , draw, makeImage() …
ArborDb: a Rust document store where reading one field doesn't get slower as the record grows
Most embedded document stores make you pay the same price to read one field as to read the whole record: they deserialize the entire value, then hand …
How I Took a Site From 69 to 96 on PageSpeed by Fixing One Script Tag
I run a small Next.js site (free browser-based file conversion tools). Yesterday I ran PageSpeed Insights on mobile and got a 69 — "needs improvement,…
ORA-00060 Deadlock: Find It, Fix It, Prevent It
ORA-00060: deadlock detected while waiting for resource is one of the most misunderstood errors Oracle throws. The two myths that cause the most damag…
Agent Routing Caches: A Competence Ratchet from SOAR Chunking
Agent Routing Caches: A Competence Ratchet from SOAR Chunking I was watching my own routing agent send the same task to the same sub-agent for the for…
Testing Management at Speed: Caching and Execution in CircleCI, Bitbucket Pipelines, and GitHub Actions
Abstract An automated test suite is the ultimate gatekeeper for your code, but if it takes 20 minutes to run, it destroys developer velocity. While my…
Why I'm Building the Fast Series
Why I'm Building the Fast Series I'm building the Fast Series because creator software has gotten too complicated. Plenty of tools are powerful, but t…
unsafe.Pointer in Go: The 4 Patterns the Rules Actually Allow
Book: The Complete Guide to Go Programming Also by me: Hexagonal Architecture in Go — the companion book in the Thinking in Go series My project: Herm…