Python pytest: Write Tests That Actually Help You
Why Testing Matters (and Why pytest) Tests catch bugs before users do. pytest makes writing them fast enough that you'll actually do it. pip install p…
Latest News
⚑ Report a ProblemTech news from the best sources
All topics
AI
Gear
News
Tech
agents
ai
api
architecture
automation
beginners
career
database
devchallenge
devops
gemma
javascript
llm
machinelearning
mcp
opensource
performance
productivity
programming
python
react
security
showdev
tutorial
typescript
webdev
What Happens Before Your C Program Reaches the CPU?
Most developers know how to write C code. Far fewer know what actually happens after they press Run . A common mental model looks like this: Write Cod…
How I Built and Monetized a Currency Exchange Rate API with FastAPI, Deployed it on Render, and Published it on RapidAPI.
Introduction: In order to build passive income streams, I decided to publish APIs on RapidAPI. The idea is straightforward: build a useful API once, s…
Why ChatGPT Fails as an Interview Tutor (And How I Built a Better One with Claude Code)
ChatGPT Always Says "Great!", But I Remember Nothing — I Built a Real Interview Teacher with Claude Code A Universal Pain Point When you use ChatGPT /…
Built an AI Interview Coach Because ChatGPT Just Says 'Great!
ChatGPT Always Says "Great!" But I Remember Nothing — Building a Real Interview Teacher with Claude Code A Universal Pain Point When using ChatGPT / C…
Quark's Outlines: Python User-defined Functions
Quark’s Outlines: Python User-Defined Functions Overview, Historical Timeline, Problems & Solutions An Overview of Python User-Defined Functions W…
Uploading Images to Cloudinary in a MERN Stack Application
Images are an important part of many modern web applications, including social media platforms, e-commerce websites, and photo-sharing applications. W…
FFmpeg Segment Muxer: segment_time, strftime, and reset_timestamps
Originally published at ffmpeg-micro.com The FFmpeg segment muxer splits a video into multiple files based on duration. Three flags cause most of the …
Google AI Studio Mobile + Gemini Managed Agents: Build and Deploy AI Agents Without Infrastructure in 2026
Google AI Studio Mobile + Gemini Managed Agents: Build and Deploy AI Agents Without Infrastructure in 2026 TL;DR Summary Google AI Studio is now a sta…
Python Day Two : The Start of Real Coding
Python Day Two : Python Output & Print print() is a Python🐍 command used to show something on the screen. Example: print ( " Pure Pearl Foundation…
From NumPy to JAX: My First "Aha!" Moments with Accelerated AI
Building open-source solutions for my 100 Days of AI Agents challenge meant I needed to start looking at frameworks that scale better than standard Nu…
I Analyzed 200 Small Business Websites — Here's What's Actually Hurting Their Performance (And How to Fix It)
The 6 Most Damaging Findings (Recap) Signal % of Sites Failing Impact Excessive unused CSS (50%+) 67% +1.4s to First Paint Image payload >1 MB 72% …
The Death of the React Native Bridge: Moving from JSON to JSI in 2026
What is the Native Bridge? The React Native Bridge is a communication layer that allows the JavaScript thread and the Native threads (iOS/Android) to …
"Reinstalling Won't Fix It": A Cross-App Shared-Auth Deadlock After Switching Phones
After migrating to a new Android phone, a few specific apps stopped launching. Amazon Shopping and Kindle would freeze on a blank white or black scree…
Ghostty Is Leaving GitHub, and It Won't Be the Last
When Mitchell Hashimoto, the creator of Vagrant, Terraform, and Ghostty, writes a breakup letter, people listen. And on April 28, 2026, he wrote one t…
Threat Detection in Kubernetes with Falco
Finding out there is "suspicious activity" in your infrastructure is enough to make any DevOps engineer's heart rate spike. If you’re running containe…
SQL Pattern Series #1: The Presence Pattern
Thinking in terms of existence instead of lists SQL Pattern Series #1 of 21 A collection of practical SQL patterns that help developers recognize comm…
Idempotency Keys: The API Pattern That Prevents Duplicate Charges (and Worse)
Network requests fail. Timeouts happen. Clients retry. And without idempotency keys, a single payment request can become three charges. Idempotency ke…
Environment Variables in Node.js: The Complete Guide (2026)
Environment Variables in Node.js: The Complete Guide (2026) Environment variables are the standard way to configure apps across environments. Here's h…
Dynamic Workflows in Opus 4.8: Build a Self-Verifying PR Reviewer
You stopped being the loop Most people use Opus 4.8 the way they used every model before it: open a chat, type a request, watch the cursor, correct it…
⭐ State.js Basics — Learn CSS‑Driven Reactivity in 10 Minutes
State.js looks simple — just HTML attributes — but it introduces a new mental model for building UI: HTML holds the data. CSS reacts to the data. Stat…
Medium API in 2026: Scraping vs Official API vs Zenndra (Honest Comparison)
If you've ever tried to pull data from Medium programmatically, you already know the pain. Medium retired their official API years ago. What's left is…
How to Measure Code Coverage in C++ with Visual Studio 2026
About My Code I'm developing a video game in C++ using SDL3 — a cross-platform library that provides access to accelerated video, audio, controllers, …
💀 Crash #5: The Great OS Migration
💀 Crash #5: The Great OS Migration "New Windows, new me. This time I'll do it right." Famous last words. After the emulator war, I had made a decision…
⚔️ Crash #4: The Emulator War
⚔️ Crash #4: The Emulator War "I just deleted a game emulator. Why is my AI assistant dead?" Months before I fell down the AI rabbit hole, I installed…
Using the Claude Code Status Line as a Data Source
Putting The Status Line To Work I used to think the Claude Code status line was just an ornamental decoration that had little practical value. I still…
How to Add Memory Security to Your LangChain Agent in 5 Minutes
Why Your Agent's Memory Needs Security If you're building LangChain agents with persistent memory (ConversationBufferMemory, RedisChatMessageHistory, …
Rest Template - API for developers- Spring Boot
RestTemplate is a synchronous Spring Framework client used to consume RESTful web services by simplifying HTTP communication. Synchronous Communicatio…
Hello, Array: malloc, free and Manual Bookkeeping
Post 1 of the Dynamic Arrays in C series · Full source code The Problem No One Starts With You have five integers. You put them in an array: int numbe…
Building a Resume Download Gate: Email Collection, Signed Tokens, and an S3 Lesson
I wanted a soft gate on my resume download. Not a paywall. Just an email field — enough friction to filter bots, enough signal to know who's intereste…