Daily micro-tips for C#, SQL, performance, and scalable backend engineering.
APIs getting hammered with requests? .NET 7+ has built-in rate limiting middleware. Setup: // Program.cs builder.Services.AddRateLimiter(options => { options.AddFixedWindowLimiter(“fixed”, opt => { opt.Window = TimeSpan.FromMinutes(1); opt.PermitLimit = 100; // 100 requests per minute opt.QueueLimit = 0; }); }); var app = builder.Build(); app.UseRateLimiter(); Apply to Endpoints: app.MapGet(“/api/data”, () => “Data”) .RequireRateLimiting(“fixed”); // If user exceeds […]
Brute force bots hammering wp-login.php with 1000s of password attempts? Block them at Apache level before they even reach WordPress. The Plugin-Free Solution: Add to .htaccess in WordPress root: # Limit wp-login.php access to specific IPs <Files wp-login.php> Order Deny,Allow Deny from all Allow from YOUR_IP_ADDRESS Allow from YOUR_OFFICE_IP </Files> Replace YOUR_IP_ADDRESS with your actual […]
Search inputs lagging? Scroll events killing performance? Understanding debounce vs throttle is critical for responsive UIs. Debounce – Wait Until User Stops: function debounce(func, delay) { let timeoutId; return function(…args) { clearTimeout(timeoutId); timeoutId = setTimeout(() => { func.apply(this, args); }, delay); }; } // Usage: Search input const searchInput = document.getElementById(‘search’); const performSearch = debounce((query) […]