Resources

Here's a collection of my favorite resources on a variety of topics:

Programming

General

• Stack Overflow - Most of the time, when you have a programming question, someone else has already asked it. And chances are, they asked it (and got an answer) at StackOverflow. It's usually faster for me to find an answer there than in the documentation of whatever I'm working with. If you're doing any kind of programming, you need to be at StackOverflow.

Bash

• Advanced Bash Scripting Guide

C

• The GNU C Reference Manual
• http://www.cprogramming.com/reference - a C syntax reference. Also applies to C++

C++

• http://www.cppreference.com - a great wiki-based C++ reference.
• http://www.cprogramming.com/reference - a C++ syntax reference. Also applies to C.

C#

• Learn Visual C# - a good place on MSDN for basic C# knowledge
• C# Reference - the full C# language reference on MSDN

HTML

Java

PHP

Python

• http://docs.python.org - the Python language documentation

Regular Expressions

• http://www.regular-expressions.info - everything you need to know about regular expressions, without making you feel as confused as regular expressions often do.
• http://www.regextester.com - a sandbox for you to test your regular expressions.

SQL

• http://www.w3schools.com/sql - a tutorial on SQL

XML Standards

• XML - eXtensible Markup Language
  • http://www.w3schools.com/xml/ - a tutorial on XML
• XML Schemas (XSD) - A method of enforcing structure requirements for XML documents, using XML syntax.
  • XML Schemas (XSD) Reference - XSD reference on MSDN
• XPath - A query language for XML documents
  • http://www.w3schools.com/xpath/ - a tutorial on XPath queries.
  • http://msdn.microsoft.com/en-us/library/ms256115.aspx - Reference for XPath in the .NET world, which does occasionally differ from what you'll find in the W3C standards.
• XSLT - A language for styling and/or transforming XML, using XML syntax to specify the style/transformation.