Working With Server-Side Includes

Redirecting Web Page Requests

Setting up subdomains in Apache

Scheduling Tasks with crontab

Working with the vi Editor

Working with the ls Command

Understanding File Permissions

Securing a Web site with the proper file permissions

Removing Directory Access from Web Sites

Managing User Accounts

Redirection Basics

Changing File Owners

Converting Files From Windows to Unix

Tracing a Lost Connection With Traceroute

Simple String Replacement

Inodes

A (Somewhat) Easy Trick to Understanding File Permission Octals

Decoding Binary Files with Octal Dump

Working with root, from both CentOS and Ubuntu

Some Notes on General Database Design

SQL: Constraining the Database

MySQL(SQL): Cheat Sheet

MySQL Admin Cheat Sheet

Fetching & Parsing with SQL SELECT

MySQL: Two Ways of Extracting Data using Perl

Restore a MySQL Database from a DigitalOcean Backup

Rendering the Less Than symbol in HTML

SVG Basics

The Difference Between Class and ID

HTTP: The King of URIs

Making a Box For a Web Page

Adding Background Colors To A Page

Functions (example)

Loops (example)

The Switch Statement

Arrays

Objects

Object Methods (example)

Accessing Private Variables Within Objects (example)

Making JavaScript "Classes" (example)

Inserting Text Into the Body of a Page (example)

Creating random numbers

Converting a JSON string into JavaScript objects

JavaScript React: Intro to JSX (in progress)

Perl Snippets

Embedding a Java Applet in a Web page

Creating an Array in Java

Creating a Function in Java

Creating an Object in Java

Creating a File on Disk

PHP Data Types

Entering Data into MySQL Through PHP

Passing variables from a PHP Web form to a Web page

Post the Results of a Simple MySql Query on a Web Page

Roll Your Own URL Shortener

Setting up Hadoop for a Single Node

iTunes “Play Date” tag numeric mystery, solved!

Build a Linux-based Web Server on DigitalOcean: Virtual Machines, SSH Keys

Build a Linux-based Web Server on DigitalOcean: Domain Names, Apache