Day: May 28, 2026

C#

C#: Use Native AOT to Compile .NET Apps to Single Executables

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📦 One .exe, No Runtime Required .NET app needs runtime installed. Native AOT compiles to single native executable. Fast startup, small container size, no .NET on target machine. 🔧 Enable Native AOT <PropertyGroup> <PublishAot>true</PublishAot> </PropertyGroup> <PropertyGroup> <TargetFramework>net8.0</TargetFramework> <PublishAot>true</PublishAot> <JsonSerializerIsReflectionEnabledByDefault>false</JsonSerializerIsReflectionEnabledByDefault> <TrimMode>full</TrimMode> </PropertyGroup> ⚙️ Publish Command # Windows (x64) dotnet publish -c Release -r win-x64 –self-contained -p:PublishAot=true […]

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C#

C#: Use Span for High-Performance Memory Access Without Allocation

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⚡ Zero-Allocation Slicing Span<T> gives a view into memory without copying. No allocations, no GC pressure. Ideal for parsing, string manipulation, and high-performance scenarios. ❌ Allocating Substring // Allocates new string (GC pressure) string data = “123,456,789”; string first = data.Substring(0, 3); // New string allocation string second = data.Substring(4, 3); // Another allocation // […]

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SQL

SQL: Use Partial Indexes to Index Only Relevant Rows

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🎯 Index Only What You Query Full indexes waste space. Partial indexes index only rows matching a WHERE clause. Smaller, faster, more efficient. 📝 Basic Partial Index — Index only active users (not soft-deleted) CREATE INDEX idx_active_users_email ON users(email) WHERE deleted_at IS NULL; — Query uses this index automatically SELECT * FROM users WHERE email […]

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Asp.Net Core

.NET Core: Understanding Middleware Order (It Matters!)

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🔄 Order of Registration = Order of Execution Wrong middleware order = broken app. Auth before Routing? Exception handling after everything? Order matters dramatically. ✅ Correct Order (Recommended) var app = builder.Build(); // 1. Exception handling (catch errors from everything) if (app.Environment.IsDevelopment()) app.UseDeveloperExceptionPage(); else app.UseExceptionHandler(“/error”); // 2. Security (run early) app.UseHsts(); app.UseHttpsRedirection(); // 3. Static […]

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Git

Git: Use Reflog to Recover Deleted Commits and Branches

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🕰️ Git’s Time Machine Accidentally deleted branch? Reset –hard too far? Reflog logs every HEAD change. Rewind time, recover lost work. 📝 View Reflog # View all reflog entries git reflog # Output: # a1b2c3d HEAD@{0}: commit: Add feature # d4e5f6g HEAD@{1}: checkout: moving from main to feature # g7h8i9j HEAD@{2}: reset: moving to HEAD~2 […]

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Ajax

Ajax: Use FormData API for File Uploads Without Libraries

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📁 Drag & Drop + Progress Bar, Native No more FormData polyfills. FormData API sends forms + files with fetch. Track upload progress, handle multiple files. 📝 Basic File Upload <input type=”file” id=”fileInput” multiple> <button onclick=”uploadFiles()”>Upload</button> <progress id=”progressBar” value=”0″ max=”100″></progress> async function uploadFiles() { const files = document.getElementById(‘fileInput’).files; const formData = new FormData(); for (let […]

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JavaScript

JavaScript: Use Top-Level Await in Modules for Cleaner Async Code

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⏰ Async Without Async Function Wrapper Need await at top level? Used to need IIFE. Top-level await works directly in ES modules. Cleaner initialization code. ❌ Old Way (IIFE) (async () => { const data = await fetch(‘/api/config’); const config = await data.json(); startApp(config); })(); ✅ Top-Level Await // In .mjs or type=”module” script const […]

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HTML

HTML: Use Native Dialog Element for Modals Without JavaScript Libraries

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📱 Built-in Modal, No Library <dialog> element creates native modals. Accessibility, focus management, backdrop — all built-in. No more 100KB modal libraries. 📝 Basic Dialog <dialog id=”myDialog”> <h2>Confirm Action</h2> <p>Are you sure you want to delete this item?</p> <form method=”dialog”> <button value=”cancel”>Cancel</button> <button value=”confirm”>Confirm</button> </form> </dialog> <button onclick=”myDialog.showModal()”>Open Modal</button> <script> myDialog.addEventListener(‘close’, () => { console.log(‘Closed […]

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CSS

CSS: Use :has() Selector to Style Parent Elements Based on Children

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👨‍👧 Parent Finally Knows About Child CSS couldn’t select parent based on children. Until now. :has() changes everything — style parent when child exists. ❌ Before :has() // JavaScript needed if (card.querySelector(‘.badge’)) { card.classList.add(‘has-badge’); } ✅ With :has() // Pure CSS! .card:has(.badge) { border-left: 4px solid gold; } 🎯 Powerful Examples // Style form that […]

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Windows

Windows 11: Use Focus Sessions to Eliminate Distractions

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🧘 Built-In Pomodoro Timer Notifications, taskbar badges, flashing icons — all distractions. Focus Sessions silence everything, set timers, track productivity. 🔧 Start a Focus Session Method 1: Clock app → Focus Sessions Method 2: Taskbar clock/calendar → Focus Method 3: Settings → System → Focus Shortcut: Win + N → Focus ⚙️ Configure Do Not […]

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AI

AI Prompt: Analyze Log Files and Identify Error Patterns

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🔍 AI Reads Your Logs So You Don’t Have To Thousand lines of logs. One needle in haystack. AI log analysis finds patterns, clusters errors, suggests fixes. 📝 Log Analysis Prompt Analyze these application logs and: 1. Identify the most frequent errors (top 5) 2. Find patterns in timestamps (does error spike at specific times?) […]

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Docker

Docker: Add Health Checks to Detect Unhealthy Containers

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❤️ Is Your Container Actually Working? Container running but app crashed? Health checks test if app is responsive. Automatically restart unhealthy containers. 📝 Dockerfile Healthcheck # Web app HEALTHCHECK –interval=30s –timeout=3s –start-period=5s –retries=3 \ CMD curl -f http://localhost/ || exit 1 # Database HEALTHCHECK –interval=30s –timeout=10s –retries=5 \ CMD pg_isready -U postgres || exit 1 […]

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Kubernetes

Kubernetes: Use Network Policies to Restrict Pod Communication

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🔒 Zero Trust for Pods By default, all pods can talk to all pods. That’s a security risk. Network policies define who can talk to whom. 📝 Deny All Ingress apiVersion: networking.k8s.io/v1 kind: NetworkPolicy metadata: name: deny-all-ingress spec: podSelector: {} # Applies to all pods policyTypes: – Ingress ingress: [] # Empty = deny all […]

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Wordpress

WordPress: Create Custom URL Structures with Rewrite Rules

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🔗 Beautiful URLs for Everything Want /events/2024/summer-festival instead of /?post_type=event&event_id=123? Rewrite rules create clean, SEO-friendly URLs. 📝 Basic Rewrite Rule function add_custom_rewrite_rules() { add_rewrite_rule( ‘^events/([0-9]{4})/([^/]+)/?$’, ‘index.php?post_type=event&year=$matches[1]&event_slug=$matches[2]’, ‘top’ ); } add_action(‘init’, ‘add_custom_rewrite_rules’); // Add query vars function add_query_vars($vars) { $vars[] = ‘year’; $vars[] = ‘event_slug’; return $vars; } add_filter(‘query_vars’, ‘add_query_vars’); // Flush rules after adding (visit […]

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Photoshop

Photoshop: Use Adjustment Layers for Non-Destructive Color Correction

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🎨 Edit Colors Without Destroying Pixels Direct color changes = permanent. Adjustment layers sit above your image. Toggle on/off, change settings anytime, never lose original. 🌅 Levels Adjust shadows, midtones, highlights. Fix underexposed or washed-out images. 🎨 Hue/Saturation Change color cast, boost vibrance, or completely recolor specific ranges. 📊 Curves Precise tonal control. Professional-grade color […]

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Visual Studio

Visual Studio: Automate Code Formatting with Code Cleanup Profiles

- - ErcanOPAK comment on Visual Studio: Automate Code Formatting with Code Cleanup Profiles

🧹 One Click, Whole File Formatted Remove unused usings, sort imports, fix spacing, apply conventions — all automatically. Code Cleanup saves hours of manual formatting. 🔧 Set Up Profile Analyze → Code Cleanup → Configure Create profiles: – “Full Cleanup”: Remove/sort usings, format document, apply file header – “Quick Fix”: Only remove usings + format […]

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