Aleksei Aleinikov articles - 219 total
🧵 Go Concurrency 2025: Goroutines, Channels & Clean Patterns
Master Go’s built-in concurrency model — no frameworks needed. ✅ Goroutines: fast, lightweight,...
🚨 Clean Up Your Go Error Handling with One Tiny Helper
Tired of repeating if err != nil everywhere in your Go code? Meet Assure: a compact helper that...
🐪 From snake_case to camelCase — Automatically, in 2025
Stop renaming keys by hand. This drop-in TypeScript utility transforms every key — deeply,...
🧩 Directive Composition in Angular — Why It Matters in 2025
Angular now lets you attach multiple behaviors to an element using hostDirectives — no wrappers, no...
✅ Type-Safe Utility Checks in TypeScript — 2025 Edition
Types aren’t just documentation — they’re contracts the compiler enforces. Want to be sure your...
🧪 Virtual Environments for Data Engineers — 2025 Edition
Tired of package conflicts, version drift, or the classic “works on my machine”? In 2025, isolated...
🌀 Concurrent Generators in Go — 2025 Guide
Need background data streams in Go? Generators let you: ✅ Produce values in goroutines ✅ Stream data...
🎯 Serving JSON in Go — 2025 Edition
Building a Go API? Make your JSON clean, consistent, and client-friendly: ✅ Return static or...
🔁 Break Cyclic Imports in Go Tests — 2025 Edition
Go blocks circular imports. Your test setup shouldn't suffer for it. ✅ Use _test packages to...
🧠 Interface vs Type in 2025: Which to Use and When?
Still debating interface vs type? ✅ Use interface when: – You describe objects – You want better...
🔍 Type-Level TypeScript in 2025: 5 Real Examples
Let the compiler think for you. ✅ Catch missing i18n keys ✅ Build safe event buses ✅ Validate SQL...
☁️ GKE Autopilot in 2025: Kubernetes Without the Burnout
Still tuning nodes by hand? GKE Autopilot lets you skip: ⛑ Manual patching ⚙️ Node autoscaling...
🧹 One Bash Script vs. the Entire Hype Stack
In 2025, a question haunts architecture meetings: “What if one script solves it?” 🧾 rsync → cron →...
🧠 How to Name Things in Code — 2025 Edition
Bad names cost time. Good names vanish — because they just make sense. Here’s what works today: ✅...
⚡ Keeping State Simple in 2025 (No Redux Required)
Tired of boilerplate? I use kr-observable to manage state with: ✨ Class fields as reactive state 🔁...
🚀 React Query in 2025: Fast Data Without Redux Bloat
Tired of syncing selectors, reducers, and epics for every API call? This year I rebuilt a dashboard...
🛡️ Cloud Armor WAF in 2025: API Protection That Actually Understands Your App
Prebuilt WAF rules are great — until they flag every JSON payload and block harmless users. In this...
📸 Turn iPhone Live Photos into Shareable Videos — Instantly
Live Photos look magical in the Photos app… but feel static on most platforms. With iOS 18, you...
🚀 Make Heavy JavaScript Non-Blocking — 7 Battle-Tested Patterns (2025)
Your UI runs on a single thread. A single heavy task = blocked input, choppy scroll, angry...
🧹 Clean JavaScript in 2025: Fewer Params, Clearer Names, Smarter Errors
Readable code is shippable code. This guide walks you through: ✅ Naming that reads like English...
💸 Stop iOS Subscriptions Before They Drain Your Wallet
Fitness apps. Streaming trials. Pro plans you forgot. In 2025, iOS 18 makes it dead simple to cancel...
🧠 Modern Error Handling with Axios: Clean, Clear, Reusable
In 2025, network errors don’t have to break your UX — or your sanity. Inside: 4 ways Axios fails...
📱 New in iOS 18.1: Record & Summarize Phone Calls — All On-Device
Doctors, lawyers, engineers — you’ve all had that moment: "Wait… what exactly did they say on that...
🧭 Follow the Packet: Kubernetes Networking in 2025 (Explained Clearly)
🔹 "The pod’s fine." 🔹 "DNS works." 🔹 "Still… something’s wrong." Sound familiar? This article takes...
📊 Monitoring in 2025: From Uptime to Self-Healing Systems
SLAs today aren’t just legal — they’re promises. And modern observability is what helps you keep...
⚛️ State Management in 2025: 3 React Libraries You Should Actually Use
Sick of useState buried inside useEffect inside useMemo? You’re not alone. Here are 3 standout state...
🧪 Cut 90% of Tests Without Losing Coverage? Yes — With Pairwise Testing
Test matrices exploding? Pairwise testing (aka 2-wise combinatorial) is still the sharpest tool in...
⚡️ HPC in the Cloud, Minus the Pain
Spin up a full-blown Slurm or AI cluster in Google Cloud — with one YAML file. No fragile scripts. No...
🧪 How to Evaluate LLM Products Without Losing Your Mind (2025 Edition)
Think prompt engineering is enough? Think again. Today's LLM systems include retrievers, memory,...
☁️ App Engine in 2025: Still the Easiest Way to Deploy on Google Cloud
Push code. Skip YAML. Sleep well. App Engine isn't outdated — it's focused. 🚀 Why devs still love...