Blog

12. März 2026Artikel lesen

Next.js vs. WordPress: Was ist besser für Ihre Unternehmenswebsite?

Next.js oder WordPress für Ihre Unternehmenswebsite? Ein verständlicher Vergleich von Geschwindigkeit, Kosten, SEO und Wartung, damit Sie die richtige Plattform wählen.

Freelancing

5. März 2026Artikel lesen

Freelance-Entwickler in Europa finden: Ein Leitfaden für Auftraggeber

Wo Sie Freelance-Webentwickler in Europa finden, worauf Sie achten sollten, wie Sie die Zusammenarbeit gestalten – und welche Fehler Unternehmen bei der Auswahl häufig machen.

28. Juli 2026Artikel lesen

How to Build a Background, Highlight, and Text Color Picker for an ASP.NET Web Forms Master Page

A single shared master page meant every listing on the platform looked identical, and any request for custom branding meant hand-editing CSS for one client at a time. Here is how I built a three-part color picker — background, highlight, and text — that lets each listing owner style their own page live, safely.

20. Juli 2026Artikel lesen

Migrating a Domain from Tucows to AWS Route 53 to Fix a Missing SSL Padlock

A domain registered through Tucows kept showing without the padlock in the browser bar, and it was making clients hesitate at checkout. Moving registration and DNS over to AWS Route 53 fixed the trust chain for good.

12. Juni 2026Artikel lesen

Why Your .NET DLL Deployment Failed — SSL Certificates, Load Balancers, and What to Check First

The DLL was fine. The application built cleanly. The deployment looked correct — but the application was completely unreachable. Here is how to diagnose a deployment failure that has nothing to do with your code.

28. Mai 2026Artikel lesen

How to Make Sure Your Application Works Before It Goes Live

The most expensive way to find a bug is on a live server with real users. Here is the local development and compatibility workflow that prevents it — and what every client should expect from their developer.

28. Mai 2026Artikel lesen

How to Structure Reusable Components in React Native with TypeScript

One decision made at the start of a React Native project determines whether the codebase stays maintainable at scale — or becomes a folder of one-off components nobody wants to touch.

27. Mai 2026Artikel lesen

Hitting RapidAPI Quota Limits on a Property Listing App — How I Fixed It

RapidAPI quota on a property listing app was running out too fast. Here's how switching providers, cutting scheduled runs from 4 to 3, and a full repo search fixed it.

23. Mai 2026Artikel lesen

Migrating from AWS to a Dedicated Server — Why Copying the Database Is Not Enough

Most server migrations copy the database and miss the Windows registry keys. Here's what breaks silently after the move — and how to migrate it correctly.

23. Mai 2026Artikel lesen

How to Test the Twilio API with Postman When You Don't Have a US Phone Number

Twilio's dashboard requires phone verification. If you're outside the US, that's a problem. Here's how to test the full Twilio API from anywhere using Postman.

28. April 2026Artikel lesen

How to Safely Delete Old Records in SQL Server Without Touching Live Data

Deleting old records from a live database without a clear strategy is how you accidentally remove data that is still referenced — and spend the weekend restoring backups. Here is the safe approach.

27. April 2026Artikel lesen

How a Blocking Transaction Took Down a Listing Page — and How RCSI Fixed It

A listing page on a live project started timing out under load. The query was fast, the indexes were correct, and the table was not large. The problem was a long-running write transaction holding a lock that every read query was waiting on. Here is the diagnosis, the fix, and why RCSI should be enabled by default.

26. April 2026Artikel lesen

How to Manage Multiple .NET Applications on a Windows Server Without Breaking Things

One careless iisreset takes down every application on the server at once. One developer testing against the wrong database corrupts live data. Here is the structure that makes both impossible.

2. April 2026Artikel lesen

How to Structure Data in a Next.js Project — Why lib/ Beats Keeping It in Components

A component that owns its own data is a component you cannot reuse anywhere else. One folder change fixes this — and it makes your entire Next.js project easier to test and maintain.

30. März 2026Artikel lesen

How to Implement Role-Based Authorization in ASP.NET Core with Enums

When access rules are scattered across if statements and magic strings, nobody is confident about who can do what — and bugs get pushed to production. Here is how to do it correctly from the start.

30. März 2026Artikel lesen

Tailwind CSS vs Global CSS — Which Should You Use for a React or Next.js Project?

Global CSS works fine until your project grows — then one style change breaks three pages you didn't know were sharing a class. Here is when Tailwind fixes this and when it doesn't.

27. März 2026Artikel lesen

How to Add Two-Factor Authentication with QR Codes to an ASP.NET Core App

A leaked password alone should not be enough to access a system handling sensitive data. Here is a complete, copy-paste walkthrough for adding TOTP-based 2FA with QR code setup to ASP.NET Core.

26. März 2026Artikel lesen

How to Configure a Database Context in .NET for Security, Performance, and Scale

Most database performance problems are not query problems — they are configuration problems set up on day one and never revisited. Here is the complete Do's and Don'ts guide.

25. März 2026Artikel lesen

How to Fix Slow Database Queries with Indexing in PostgreSQL and MySQL

A query taking 800ms in production with 500,000 rows often takes 2ms with one index added. Here is exactly how to identify which queries need indexes and how to verify they are working.

25. März 2026Artikel lesen

How to Set Up Swagger with JWT Bearer Tokens and Unit Tests in .NET

Swagger works out of the box until you add JWT authentication — then every request returns 401 and the test suite can't run. Here is the full setup that handles both correctly.

24. März 2026Artikel lesen

Why API Keys and Service Credentials Must Never Live in Your Code

A leaked API key can cost you money, compromise your users, and destroy your domain reputation — all before you notice. Here is the correct pattern for managing secrets in any web application.

23. März 2026Artikel lesen

How to Use hCaptcha to Protect Contact Forms and Avoid Unexpected Email Costs

An unprotected contact form connected to an email service is a liability. One bot finds it and your SendGrid bill spikes overnight. Here's how to add hCaptcha in 30 minutes and prevent it entirely.

23. März 2026Artikel lesen

JWT Authentication in C# — How to Do It Correctly and Why It Matters

Most C# APIs have authentication. Not all of them have it done correctly. Here's the difference between JWT that creates a false sense of security and JWT that actually protects your users.

20. März 2026Artikel lesen

5 Min. Lesezeit

How to Structure Reusable Components in a Next.js Project

One habit separates Next.js codebases that stay clean from ones that become a nightmare to maintain — thinking in reusable components from day one. Here is the structure and rules I use on every project.

19. März 2026Artikel lesen

5 Min. Lesezeit

Base Entities and Base Controllers in C#: The Pattern That Keeps .NET Codebases Clean

Two simple abstractions — a base entity and a base controller — eliminate the most common sources of repetition in C# .NET projects. Here's how they work and why I use them on every project.

18. März 2026Artikel lesen

How to Choose the Right .NET Version for Your Project — Framework, Core, and Modern .NET Explained

Starting a new .NET project and unsure which version to target? The wrong choice means hitting missing APIs mid-build. Here is a clear breakdown of every version and which one to use.

11. März 2026Artikel lesen

Building Flowlenz: A Unified Ticket Aggregation Platform That Connects Jira and Azure DevOps

How I built Flowlenz POC — a full-stack platform that scrapes Jira and Azure DevOps in real time, normalises tickets into a single unified dashboard, detects duplicate issues across sources, and surfaces AI analysis. Built with ASP.NET Core 9, React 18, TypeScript, PostgreSQL, and Docker.

8. März 2026Artikel lesen

How I Built an Appointment Booking System for an Embassy Website

A deep dive into building a secure, government-grade appointment booking system with 2FA authentication, multi-user backend access, and SendGrid email notifications using React and C#.

Building EventHub: A Production-Ready Event Ticketing Platform with .NET 9 and React

How I built EventHub — a full event ticketing platform with 24 passing tests, JWT authentication, real-time capacity management, QR code validation, analytics dashboards, and a CI/CD pipeline. Built with .NET 9, React, TypeScript, and SQL Server.

2. Mai 2025Artikel lesen

25. Januar 2025Artikel lesen

Building a Full-Stack E-Commerce Platform with ASP.NET Core: 60 Tests, 98% Coverage

How I built a production-ready e-commerce platform with ASP.NET Core, SQL Server, and a 60-test suite achieving 98% code coverage — covering cart operations, order processing, admin analytics, promotions, and a complete checkout flow.