Programming Tutorials

Practical programming tutorials with clear examples and best practices for Python, C++, JavaScript and more. Learn design, testing and performance.

Technical Documentation That Gets Read

Why documentation goes stale, the four documents actually worth maintaining, and how to write for somebody who is tired and in a hurry.

Why new developers take months to become useful, what to fix first, and the single metric that tells you whether your onboarding actually works.

What a software escrow agreement covers, why most released material is unusable, and the cheaper arrangements that solve the same worry.

What a fixed price contract really buys, when time and materials costs less, and the third option most software work should actually use.

When an API change is genuinely breaking, why URL versions are not the only option, and how to retire an old version without losing clients.

Why most software RFPs produce quotes you cannot compare, what to include instead of a feature list, and the questions that reveal a good supplier.

What it costs to keep custom software running after launch, why the usual percentage rule misleads, and the line items teams consistently forget.

What an acquirer or investor examines in your codebase, which findings reduce the price, and how to prepare without rewriting anything.

Most slow applications are one or two bad queries away from being fast. How to find them, read the query plan, and fix the cause not the symptom.

Why high coverage still ships bugs, which tests earn their maintenance cost, and how to build a suite a team trusts enough to deploy on a Friday.