标签：#c

Developers are the world's most efficient skimmers. When someone lands on your repo, they're running a rapid mental triage: What does this do? (5 seconds) Can I run it? (10 seconds) Should I trust it? (5 seconds) If they can't answer all three within 20 seconds, they close the tab and move on. They don't owe you a careful read. They're choosing between your project and ten others. Most READMEs fail the triage test because they're written from the author's perspective, not the reader's. The author knows how it works, so they explain how it works. The reader doesn't know if it works at all, so they need to know what it does first. That's the gap. Let's close it. The README That Passes the 20-Second Test Every high-performing README follows a version of the same structure. The order is not arbitrary — it mirrors the reader's decision-making process. 1. One-Line Description (Not Your Project's Name) The name is already in the repo title. The first line of your README should be a plain-language sentence of what this thing does . ❌ SuperCache v2.0 ✅ A zero-config in-memory cache for Node.js that cuts database eat time by 60%. If your one-liner doesn't tell me what problem you're solving, I'm already skimming toward the exit. 2. A 30-Second "Why This Exists" Paragraph Two to four sentences. What problem does this solve? Who is it for? Why this over the alternatives? This is not a marketing pitch. It's a fast filter. You want the right people to know immediately that this is for them — and the wrong people to know it's not. 3. Demo / Screenshot First — Before Installation This is the most skipped section in most READMEs. It shouldn't be. A GIF, screenshot, or three-line code output does more work than five paragraphs of description. Show me what success looks like before you tell me how to get there. If I can see that your output solves my problem, I'll read every word of your installation guide. 4. Installation — Zero Assumptions Assume your reader is smart but unfamiliar

A study based on 47 million galaxies found that the cosmic web retains patterns on enormous scales, which could force a reevaluation of a pillar of cosmology.

This is the first article in a four-part series where I document how I turned a 10€/month VPS into a production-grade platform hosting my portfolio, a university group webapplication and a SaaS product, all isolated from each other with Kubernetes. In this part, we take a fresh Ubuntu server and lock it down properly before installing anything else. Why bother with hardening? The moment your VPS gets a public IP address, it starts receiving attacks. Not "might receive", it starts . Within minutes, automated bots will probe port 22, try root:root , admin:admin123 and thousands of other credential combinations. If you skip this step and jump straight to deploying your apps, you are building on sand. The good news: an hour of work is enough to eliminate the vast majority of these threats. Here is what we will set up: A non-root user with sudo privileges SSH key authentication, with passwords and root login disabled UFW as a simple, effective firewall Fail2ban to ban brute-force attackers automatically Automatic security updates What you need A fresh VPS running Ubuntu 24.04 LTS or newer. I use a Hostinger KVM 2 (2 vCPU, 8 GB RAM, 100 GB NVMe), but any provider works: Hetzner, DigitalOcean, OVH, Contabo. The root password or SSH key your provider gave you. A terminal on your local machine (macOS, Linux, or WSL on Windows). Throughout this tutorial, replace YOUR_SERVER_IP with your server's IP address and deploy with the username you want to use. Step 1: First login and system update Connect as root for the first and last time: ssh root@YOUR_SERVER_IP Update everything before touching anything else: apt update && apt upgrade -y apt autoremove -y If a kernel update was installed, reboot now: reboot Wait a minute, then reconnect. Step 2: Create a non-root user Working as root is like driving without a seatbelt: fine until it isn't. One mistyped rm -rf and the party is over. Create a dedicated user: adduser deploy Choose a strong password (you will still need it for sudo ,

Banking software cannot afford to be casual about anything. Every transaction needs to be verified, logged, protected from tampering, and traceable if something goes wrong. This is exactly the kind of environment where NestJS quietly shines, since its architecture was built around structure and discipline from the start, not added on as an afterthought. Financial institutions and fintech companies increasingly choose NestJS for banking applications, investment platforms, and trading systems, largely because it gives teams a consistent, testable structure for handling something as sensitive as money moving between accounts. Here is what that actually looks like underneath. Why structure matters more in banking than almost anywhere else In most applications, a messy folder structure or inconsistent error handling is annoying. In a banking application, it is a liability. If five different developers write five different ways of validating a transaction, you end up with five different ways something could slip through unnoticed. NestJS solves this by enforcing a consistent pattern across the entire application, modules, controllers, providers, all following the same shape no matter who wrote them. A new developer joining a banking backend built with NestJS already knows where to look for validation logic, where authorization happens, and where a transaction actually gets processed, because the framework itself dictates that structure. Guards, the first line of defense Every request that touches a bank account should be verified before it does anything else. NestJS handles this through guards, which run before a request ever reaches your actual business logic. @ Injectable () export class TransactionAuthGuard implements CanActivate { canActivate ( context : ExecutionContext ): boolean { const request = context . switchToHttp (). getRequest (); const user = request . user ; if ( ! user || ! user . isVerified ) { throw new UnauthorizedException ( ' Account verification req

Alright, real talk moment. Last week I watched someone with zero coding background build a fully...

Andy Brinkmeyer shares how engineering leaders and architects can use Rust to build failure-proof systems. Moving beyond memory safety, he explains how ownership, enums, and the typestate pattern embed complex runtime protocols into compile-time checks. Learn to eliminate entire classes of bugs, manage real-world resources safely, and maximize codebase robustness effortlessly. By Andy Brinkmeyer

Baek, a 35-year-old manager at the South Korean semiconductor titan SK Hynix, was enrolled in Sunoo, a matchmaking company based in Seoul, a year ago. In a move typical of anxious South Korean parents, his mother signed him up, hoping to find a good wife for her son. Lately, says Baek (who asked to be…

Distributed backups, cyber resilience, and a half-million records are preserving Palestinian history beyond any single building or border.

I had a /image endpoint capped at 3 requests per minute. Simple express-rate-limit, keyed by IP,...

The Model Context Protocol team has promoted its Enterprise-Managed Authorisation extension to stable status, adding a centralised way for organisations to control access to MCP servers through their identity provider. The project states the aim is to replace per-server consent prompts with a zero-touch flow in which users sign in once and then access approved servers without further setup. By Matt Saunders

GitHub热门项目 | A Python library for building AI agents that leverage the full power of Google Antigravity. | Stars: 2,250 | 21 stars today | 语言: Python