Your Node.js app works fine for hours, then slows to a crawl. Memory climbs steadily. A restart fixes it temporarily — then it happens again. That’s a memory le...

Every time you paste a JWT into a decoder, run a regex against a sample string, or convert a color value from HSL to hex in an online tool, you're making a smal...

Counting Participants Without Sensors Option 1: Count each person one by one – 1, 2, 3, 4… Option 2: Count by twos – 2, 4, 6, 8… Option 3: Use a pairing strate...

If you're the kind of developer who watches Activity Monitor more than Netflix, profiles everything before shipping, and gets genuinely excited when a build sha...

Benchmark Overview We benchmarked JSONPath implementations in Java: - SJF4J – - Jayway JsonPath – Result: SJF4J is up to 7× faster. The JMH benchmark suite com...

Problem Overview Generating random strings is a common task for backend developers—IDs, tokens, session keys, and more. Many existing implementations suffer fr...

Background For about four years now, AMD has offered special “X3D” variants of its high‑end desktop processors with an extra 64 MB of L3 cache attached, an add...

Introduction When I started building Torus, a multi‑core Layer 7 Edge API Gateway from scratch in Node.js, I handled incoming network requests the way I had al...

Why Developers Love Lua Lua isn’t usually the “main” language of an application; instead, it acts as the glue. Here’s why it excels in that role: - Speed – Con...

TL;DR Imagga “visual search” is built on image categorisation and tag‑matching. Vecstore uses vector embeddings for true visual similarity. - Vecstore is ~8× f...

AI agents call git constantly—status, diff, log, show. I pulled data from 3,156 real coding sessions and git accounted for roughly 459 000 tokens of output, abo...

!Cover image for MongoDB Transaction Performancehttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-t...

Go Golang vs. El Panorama Actual La elección del lenguaje de programación es crucial y no siempre hay una única “respuesta correcta”. Todo depende del contexto...

Overview What do you do when private equity buys your old company and fires the maintainers of the popular open source project you started over a decade ago? Y...

Authorization and API Key Design I didn’t want to validate every API key with a database query, so I made the key self‑contained. Example header Authorization:...

nanobrewhttps://nanobrew.trilok.ai/ The fastest macOS package manager. Written in Zig. bash curl -fsSL https://nanobrew.trilok.ai/install | bash Then restart yo...

Intro: The Sequential Processing Paradox In e‑commerce, the order of events is non‑negotiable. You cannot process OrderFulfilled before OrderCreated or Payment...

A log file viewer for the terminal Merge, tail, search, filter, and query log files with ease. No server. No setup. Still featureful. !Screenshot of lnavhttps:...

!Cover image for Programing Concurrencyhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads...

Vấn đề dữ liệu Nay chúng ta sẽ bàn luận về vấn đề dữ liệu, liệu dữ liệu phải luôn luôn chính xác 100 % ngay lập tức? Hầu hết mọi người sẽ nói là có, dữ liệu ph...

!Cover image for 1m Tokens & WebSockethttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads....

The Problem Even when using caching strategies, many applications still: - Hit the database frequently for permission checks - Recompute authorization logic on...

The 10 Best Browser APIs You Can Use Without Installing Libraries Developers spend hours configuring build tools, auditing dependencies, and debating bundle si...

Rule 1 You can't tell where a program is going to spend its time. Bottlenecks occur in surprising places, so don't try to second‑guess and put in a speed hack...

Last year I added invoice generation to a side project. Three days later I was still debugging Puppeteer on a DigitalOcean droplet—blank PDFs, missing fonts, an...

Overview If you've worked with React, you've likely seen the useMemo and useCallback hooks appear in code reviews and wondered whether you actually need them....

Overview Java 26 was released today. While most “what’s new” posts focus on the removal of the Applet API, the changes that actually matter for Spring Boot dev...

Dell XPS 16 2026 Review _Last year, Dell came this close to abdicating its throne as the maker of the best premium Windows laptops when it announced it was kil...

Right-Size Your Infrastructure One of the most common reasons for high cloud bills is simply using more resources than necessary. During the early stages of de...

- Meta recognizes the long‑term benefits of jemalloc, a high‑performance memory allocator, in its software infrastructure. - We are renewing focus on jemalloc,...

Meta recognizes the long‑term benefits of jemalloc, a high‑performance memory allocator, in its software infrastructure. We are renewing focus on jemalloc, aimi...

What is cache on my Mac? Cache is temporary data your Mac stores to speed up browsing and app performance. Safari might save images and scripts to speed page l...

!https://www.phoronix.com/assets/categories/linuxnetworking.webp Background The upcoming Linux 7.1 kernel cycle is set to retire UDP‑Lite support. UDP‑Lite allo...

Introduction: The Cost of the Garbage Collector GC One of the biggest advantages of modern .NET development is managed memory. Developers do not need to concer...

The Problem: Unoptimized User Uploads We've all been there: you build a beautiful Laravel application, deploy it to production, and then the page load feels li...

!Luxhttps://github.com/lux-db/lux/raw/main/logo.pnghttps://github.com/lux-db/lux/blob/main/logo.png A drop-in Redis replacement. 3‑5x faster. Multi‑threaded. Wr...

Spoiler: 497 commits, three sleepless nights with SQLite, and one very stubborn race condition that refused to die Reading time: ~12 minutes · For: AI‑agent de...

!NestJS Updatedhttps://example.com/nestjs-banner-v2.jpg Updated with latest NestJS v10 features! Building a robust real estate API with NestJS has never been ea...

In distributed systems, we often talk about “The Long Tail.” You might have a service where 95 % of requests finish in under 100 ms, but that last 1 % the P99 l...

markdown !James Millerhttps://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2F...

Apple's new family of laptops might have a cringeworthy name, but don't let it fool you. Despite the MacBook Neohttps://www.engadget.com/computing/laptops/macbo...

My test unit was provided by Apple for review. It was the 16‑inch model with the M5 Max under the hood. As always, you’re able to get the M5 Max in the 14‑inch...

If you’ve ever cracked open a multi‑gigabyte log only to watch your editor choke, this’ll feel like cheating. Fresh is a new terminal‑based editor written in Ru...

TL;DR: Traditional immutable arrays are slow because updating an element requires a full On copy. Scala’s Vector solves this by using a 32‑way branching trie, e...

!https://9to5google.com/wp-content/uploads/sites/4/2026/03/android-figures-mwc-2026-5.jpg?quality=82&strip=all&w=1600 Google is working on behind‑the‑scenes cha...

Overview The MacBook Neo is Apple’s newest, most affordable laptop. It punches above its price range in terms of design, and its performance is solid for every...

APIs without caching run the same DB queries repeatedly. Redis can make responses up to 10× faster, but a wrong cache design can cause data inconsistency. Claud...

OFFSET pagination breaks on tables with millions of rows — each page requires scanning all previous rows. Cursor‑based pagination stays fast at any scale. Claud...