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8 working snippets · 4 categories · no filler

Working code,
not another tutorial.

Downloadable, tested snippets — webhook signature verification, Excel automation, load testing — plus small interactive tools, built to drop into your project, not just read about.

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$ cat manifest.json | jq '.snippets[]' 8 entries
# Git — 3
JV GitHub Webhooks - Java ›
Java Spring Boot implementation for GitHub webhooks with signature verification and deployment Open the full package → 
@RestController
public class GithubWebhookController {
    private static final String SECRET = "YOUR_WEBHOOK_SECRET";
    @PostMapping("/webhook")
JS GitHub Webhooks - Node.js ›
Node.js Express and vanilla implementations for GitHub webhooks with signature verification Open the full package → 
const app = express();
const SECRET = process.env.SECRET || "your_secret";
const PORT = process.env.PORT || 3000;
app.use(express.raw({ type: "application/json" }));
PHP GitHub Webhooks - PHP ›
PHP native implementation for GitHub webhooks with signature verification and deployment Open the full package → 
<?php
$secret = getenv('WEBHOOK_SECRET') ?: 'your_secret';
$deploy_script = '/path/to/deploy.sh';
$log_file = '/var/log/github-webhook.log';
# Testing — 3
JV Java Excel Utility - Comprehensive ›
Production-ready Excel utility class with read/write operations, cell styling, and data manipulation for test automation Open the full package → 
public class ExcelUtil {
    protected String filePath;
    protected FileInputStream fis;
    protected FileOutputStream fos;
JV Java Selenium - ScreenshotUtil ›
Reusable ScreenshotUtil implementation for capturing browser, element, and failure screenshots in Selenium automation Open the full package → 
public class ScreenshotUtil {
    private static String getTimestamp() {
        return new SimpleDateFormat(ScreenshotConfig.TIMESTAMP_FORMAT)
                .format(new Date());
JS K6 Testing Snippets ›
Ready-to-use K6 load testing scripts for common API testing scenarios with example outputs and performance metrics Open the full package → 
export const options = {
  stages: [
    { duration: '1m', target: 50 },   // Ramp up to 50 users
    { duration: '3m', target: 50 },   // Stay at 50 users
# Maven — 1
☕ Maven Proxy Configuration ›
Configure Maven Proxy to download maven dependencies behind organization's proxy. Open the full package →
# Telegram — 1
📱 Telegram Bot APIs ›
Quick-access to Telegram Bot APIs plus common troubleshooting steps. Open the full package →