Programming Tutorials

A decorator is a function that modifies the behavior of another function. Syntax: def decorator_function(original_function): def wra

Hello, Dev.to community! I’ve recently started my journey into the world of Rust, and I am absolutely fascinated by its promises of memory safety and

Introduction When you start building REST APIs with Spring Boot, one of the first real challenges you face is authentication. How do you ma

It is 10 PM. You have a 40-page contract that needs to be merged with an NDA and compressed to under 5MB before emailing to a client in the morning. Y

引言 在外汇量化交易、汇率换算、策略回测以及实时监控等场景中，稳定、低延迟的外汇数据是不可或缺的基础设施。本文将从零开始,手把手教你用 Java 接入外汇数据 API，覆盖 API 选型、环境准备、代码实现、异常处理，甚至进阶优化，新手也能快速上手，避开90%的接入坑。 先

Exploring Backend Development with Rust and Go: Insights from Web Developer Travis McCracken As a seasoned Web Developer Travis McCracken, I’ve alway

The problem Your AI agents break and you find out when users complain. No logs, no metrics, no idea what went wrong. The fix A

LiteLLM serves 97 million downloads per month. In March 2026, attackers stole a PyPI token, uploaded malicious versions, and compromised an estimated

I didn't expect to use Framework7 or NativeScript in 2026. But yesterday evening, I got a small client requirement: a simple inventory tracking system

Traditional medicine in the Andes has been practiced for thousands of years. But when I tried to find a simple tool that could tell you "what is this

If you've ever opened a PDF late at night and been blasted by a blinding white background, you already know the problem. Or maybe you're printing a do

Pay per call tracking software is a specialized solution designed for businesses and marketers who pay for leads based on phone interactions. Unlike t

Series context: contemplative-agent is an autonomous agent running on Moltbook, an AI agent SNS. It runs on a 9B local model (Qwen 3.5) and adopts the

Free NHL Live stream Florida vs Montreal. Stream Florida Panthers vs Montreal Canadiens live free in HD. Free NHL Live Stream Florida vs Montreal 2

You have an AI system. It works well at small scale. Then you try to make it smarter as it grows — and you run directly into a wall that every distrib

Your Pipeline Is 13.7h Behind: Catching Artificial Intelligence Sentiment Leads with Pulsebit We just uncovered a significant anomaly: sent

We deployed a Next.js app last year. Everything looked great locally. Then we opened Google Search Console two weeks later and found that half our p

Google maps data extraction often starts with a simple task: gather a list of local businesses from search results. But when those results span hundre

TecDoc parts extractor tools save developers from hours of manual work when processing automotive catalog data. The tedious process of parsing multi-s

I recently built a SIP monitoring service that uses eBPF to capture SIP traffic directly in the Linux kernel and export metrics to Prometheus. The ent