Rust Coreutils 0.12 vs GNU 9.12: almost everything works the same, starting a process costs nearly 3x more
I measured Rust Coreutils (uutils) 0.12 against GNU coreutils 9.12 in containers with limits: the full GNU test suite, 157 commands with their output
rust
dev.to
Sep 28, 2026
Your Go Module Path Is a Hidden Dependency: Decoupling Go Code from GitHub
Hầu hết các Go project mình từng review đều bắt đầu bằng cùng một dòng: module github.com/ten-cong-ty/ten-repo. Nghe thì vô hại, ai cũng làm vậy, go m
go
dev.to
Sep 28, 2026
Tauri's updater downloads your whole app every time. Making it download only the diff took more than bsdiff
A small Tauri demo app just updated from 1.3.0 to 1.4.0 by downloading 714 KB instead of 15.9 MB. On a heavier benchmark app, a feature-sized release
rust
dev.to
Sep 27, 2026
Beyond &self and &mut self: Rust’s Underrated Method Receivers
If you write Rust, you interact with &self and &mut self every single day. They are the backbone of idiomatic Rust, signaling at a glance whether a me
rust
dev.to
Sep 27, 2026
Designing license keys that work offline and die on refund
I sell desktop apps. Desktop users — especially the privacy-minded ones who buy offline-first software — hate two things: subscriptions, and apps that
rust
dev.to
Sep 27, 2026
Pipenv: A Guide to the Python Packaging Tool
Pipenv replaces pip, virtualenv, and requirements.txt with a single tool. See what it solves and how to manage dependencies with it.
python
realpython
Sep 27, 2026
How to Copy Objects in Python: Shallow vs Deep Copy Explained
Understand the difference between shallow and deep copies in Python. Learn how to duplicate objects safely using the copy module and other techniques.
python
realpython
Sep 27, 2026
Sidekiq to Kafka: A Mental-Model Map for Rails Developers
TL;DR: If you've spent years with Sidekiq, Kafka can look like "Sidekiq with extra steps". It isn't. Sidekiq moves jobs (commands to do something). K
ruby
dev.to
Sep 27, 2026
I built 51 free browser-based developer tools — here's why and how
I was tired of slow, ad-filled tool websites that upload my data to their servers just to format a JSON file.
So I built VelnoxLabs — 51 free browser
javascript
dev.to
Sep 27, 2026
Fix Cannot find module '@vitejs/plugin-react' in Vite
TL;DR
Cannot find module '@vitejs/plugin-react' or its corresponding type declarations (TS2307) in vite.config.ts has two distinct causes.
typescript
dev.to
Sep 27, 2026
5 seconds to 30 ms: rebuilding IDW heatmaps in Go
Our air-quality heatmaps took about 5 seconds per image, on an hourly Python cron that used 4 GB of RAM and 2 CPUs and still wasn't enough. The rebuil
go
dev.to
Sep 27, 2026
Selling a lifetime deal on AppSumo? You build the code redemption yourself
When you list a product on AppSumo, AppSumo handles the sale and nothing after it.
The buyer walks away with a single code string. Turning that string
javascript
dev.to
Sep 27, 2026
The allowlist in your MCP call_api tool should match hosts, not strings
The moment you expose a tool like this over MCP, the URL stops being yours:
@mcp.tool()
async def call_api(url: str, method: str = "GET") -> str:
python
dev.to
Sep 27, 2026
Your npm install Is Doing More Than You Think
Most developers type:
npm install
and think:
“npm is downloading my dependencies.”
That's only part of the story.
Depending on your proj
javascript
dev.to
Sep 27, 2026
DevProxy – Zero-latency local HTTP/HTTPS proxy in Go
Hey HN!
I built DevProxy (https://github.com/Aditya-9-6/DevProxy), an open-source local HTTP/HTTPS development proxy written in Go that combines netw
go
dev.to
Sep 27, 2026
The First 10 Minutes Decide Your System Design Interview
The First 10 Minutes Decide Your System Design Interview
Your final diagram will be photographed, glanced at for three seconds, and forgott
javascript
dev.to
Sep 27, 2026
Expo Framework for React Native
So You Wanna Build a React Native App? Let's Talk Expo!
Ever dreamt of building that slick mobile app that runs on both iOS and Android wit
javascript
dev.to
Sep 27, 2026
Web3 Architecture Explained Like You're 5 (From a Front-End Perspective)
The biggest barrier in Web3 isn't cryptography it's vocabulary. Most users bounce off dApps because interfaces speak in backend jargon instead of huma
javascript
dev.to
Sep 27, 2026
Fix WooCommerce High Database Usage
Fix WooCommerce High Database Usage
Hosting warns about DB size/IO from WooCommerce tables growth.
High-performance enterprise architectur
php
dev.to
Sep 27, 2026
Frontender in the middle
Angular vs Svelte
In this series I break down some of the most used features in front end developments, and how different it is to implemen
typescript
dev.to
Sep 27, 2026