Sorting Techniques
Sorting is a commonly needed operation in all kinds of programs. Luckily, for us perl programmers, perl provides a very…
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Five Habits for Successful Regular Expressions
Regular expressions are hard to write, hard to read, and hard to maintain. Plus, they are often wrong, matching unexpected…
Perl regular expressions quick start
This page covers the very basics of understanding, creating and using regular expressions ('regexes') in Perl.
Creating a Tree Diagram
9.3.1. Problem You want to show the hierarchical structure of your data as a tree.
SQL Errors 101
Many programmers hit a brick wall in their SQL queries, slowing development to a crawl and causing an over abundance…
How to Market your Programming Skills
Marketing and selling are hard things to do deliberately. We all do it all the time unconsciously, but to actually…
Database Programming With Java + JDBC: Part 2/4
Before We Start Coding
Database Programming With Java + JDBC: Part 4/4
The Sample Code... Explained
Where can I use Java?
Java can be used to create web pages with dynamic and interactive content, to create applications (programs) with Graphical User…
Some Notes on Recursion
Many programmers simply don't like recursion. The general idea of recursion is one of the more difficult topics to grasp.…
