Build a first script, inspect a working game, plan an integration or maintain an inherited system. These guides pair explanations with examples, source code and practical worksheets.
Shell scripting and data

Bash Scripting: Build and Test a First Script
Count newlines in text files while learning Bash arguments, quoting, loops and failure checks.

Unix Shell Reference: Arguments, Files and Exit Status
Keep command arguments intact, control file redirection and diagnose shell-script results.

Shell and SQLite: Build a Validated CSV Report
Import fictional orders, validate records in SQLite and replace a CSV report only after success.

KornShell Maintenance: Understand and Test an Inherited Script
Identify a KornShell runtime, capture a behavior baseline and verify changes against representative fixtures.
Software projects and integration

Custom Software Development: From Workflow to Working Release
Compare build, buy and configure options, define acceptance examples and plan software ownership.

Jitterbit Integration: Map Data, Test Retries and Plan Recovery
Plan a Jitterbit operation with explicit mappings, duplicate handling, bounded retries and recovery evidence.

PVCS Version Manager: Plan a Verifiable Repository Migration
Map PVCS revisions and labels, verify an export and preserve the evidence needed for repository migration.
Games and 3D

Game Programming: Build a Small Browser Game Loop
Play a paddle demo and inspect how input, fixed simulation steps, collision rules and drawing fit together.

3D Programming: Explore Your First Scene
Change a cube, camera and light, then run the complete Three.js example on your own computer.

XNA to MonoGame: Assess and Test a Game Migration
Inventory an XNA project, port a small slice to MonoGame and compare content, graphics and gameplay behavior.
Related topics and historical coverage
- Encryption guides — explore encryption concepts and related security topics.
- Utility computing — a topic hub with historical coverage of on-demand computing.
- Samsung Developer Conference 2017 — historical coverage of Samsung’s connected-device platform announcements.
- 3D city planning — historical coverage of urban visualization software.