Open Source - Cheatsheets

These are mostly to help remind me a few bits of details that (when working with a pile of different programming and scripting languages) I like to copy and paste code that I use a lot (efficiently), often (lazy) or rarely (forgetful).

• c_cheatsheet1 will describe design patterns in C, even though it is normally used with Object Oriented languages.
  • creational patterns
  • structural patterns
  • behavioral patterns
  • design principles

• cpp_cheatsheet1 covers the following C++ usage:
  • constructors
  • destructors
  • base, derived, multiple inheritance and friendship classes
  • private vs protected vs public member data access
  • pure and basic virtual function declarations
  • polymorphism
  • type casting

• cpp_cheatsheet2 covers the following C++ usage:
  • templates
  • const-ness
  • dynamic memory
  • exceptions

• cpp_cheatsheet3 covers the following:
  • STL programming
    • containers
    • algorithms
  • some Boost library features
    • foreach
    • smart pointers
  • and using class string

• C#, JAVA & PHP classes are very similar to each other. Please see my PHP cheatsheet's class section for example code. Please also see my networking notes for more sample code written in C# and JAVA.

• and see this Java and C# Comparison cheatsheet (not mine) for more goodies.

• perl_cheatsheet1 written to be included in by perl_cheatsheet2 and contains the following perl snippets:
  • unique sort
  • time n date
  • file notes
  • wget

• perl_cheatsheet2 executable and contains more perl snippets:
  • file IO
  • fork
  • arrays, arrays of arrays, array references, slice n splice
  • hashes, hashes of arrays, hash references
  • references to functions
  • and some boiler plate code

• perl_cheatsheet3 is an example perl module and perl_cheatsheet4 & perl_cheatsheet5 uses the perl module while showing the tiny differences on:
  • require
  • use
  • fully qualified names
  • automatic exported names
  • controlled (manually) exported names

• and if you ever thought to yourself, "someone has to have written this in PERL"...
  chances are: someone did and threw it up on CPAN

• python_cheatsheet1 covers the following python usage:
  • some of my most used python snippets
  • file IO
  • dictionary
  • lists, tuples and arrays
  • classes

• and keep a page opened to: Python: Library Reference

• here are some more python code i have made free to the public:
  • Bookmark Scrubber - python version
  • XULrunner boiler plate code generator

coming soon

• Please see my networking notes for sample code written in Ruby used to generate the all of the network code and pretty printed HTML files.

• network_notes1 covers networking sockets (open read write close) (both peer2peer and multi-users) in:
  • C/C++
  • C#
  • Java
  • Perl
  • Python
  • Ruby
  here is the (ruby) script used to generate all of the code seen in network_notes1 -- so you can test and read the raw code individually if the "all in one HTML file" is too confusing to look at (hurray for VIM! ":set filetype=lang"). to run the script, type:
  • ruby network_notes1.txt code

• my notes on:
  • stunnel
  • smtp

• HTML5 cheatsheet1 covers the following HTML5 topics:
  • canvas
  • css3
  • devicemotion^[1]
  • deviceorientation^[1]
  • eventsource^[2]
  • fullscreen^{[1] [3]}
  • geolocation^[1]
  • javascript^[2] classes and modules
  • svg
  • webaudio and webvideo
  • webGL^{[1] [4]}: requestAnimationFrame
  • websocket^{[2] [5]}
  • webstorage: appcache
  • webstorage: FileReader^[6]
  • webstorage: indexDB^{[2] [7]}
  • webstorage: localStorage
  • webworkers^[8]

• HTML5 cheatsheet2 covers the following demos:
  • drag & drop^[1]
  • gamepad^[1]
  • gestures^[2]: sketchpad + noclickdelay
  • mouselock^[1]
  • webapp: prism chromeless web-app-capable phoneGap

all files are written static (i.e. plain ol' HTML -- no PHP) so they can be looked up as-is.
1. copy of reference source (or close to it) for testing purposes
2. terse and was written to be re/usable
3. note: some browsers needs to have full-screen-api ENABLED MANUALLY
4. note: some browsers needs to have WebGL ENABLED MANUALLY
5. note: some browsers needs to have WebSocket ENABLED MANUALLY
6. WARNING: Safari does NOT support FileReader API (but WebKit [on Chrome] and Mozilla does).
7. WARNING: WebKit has a slightly different handler requirement after accessing DB with no results
8. WARNING: WebKit does NOT support subworkers (but Mozilla does). Mozilla does NOT support SharedWorker (but WebKit does).

• external links:
  • HTML 5 Rocks - the mother load of all things HTML5
  • HTML 5 Canvas Tutorials - excellent crash course on using the canvas
  • HTML 5 Demos and Examples - a nice collection of little HTML5 howtos
  • Stories In Flight: HTML5/CSS3 Cheatsheet - a nice and little and easy to read summary of HTML5 features
  • HTML5 differences from HTML4 - a very terse but good read on HTML5 differences

• php_cheatsheet1 covers the following PHP usage:
  • predefined variables: _GET _POST _SERVER _FILES
  • binary and file handling
  • passing by reference
  • classes

• and keep a page opened to: PHP: function reference

• 3D_notes1 covers the following 3D math:
  • matrix math
  • vector math
  • lines w/ points, lines, circles equations
  • planes w/ points, lines, planes equations

• my notes on:
  • rsync
  • sql
  • latest vimrc file I use...

• my favorite external cheatsheets online:
  • development
    • vim tips (NOTE: you may need to click on this link twice -- the first time may send you to a vim webring...)
    • vim quick reference card
    • GIT cheat sheet
    • github:help (very easy to digest howtos -- see right column: Beginner, Intermediate, Advanced and Troubleshooting)
    • regular expression syntax
    • sed one-liners
    • awk one-liners
    • PHP PDO (archive.org) -- PHP PDO (original)
  • distro [ upgrade | new install ]
    • apt-get upgrade and clean up script
    • Linux: Get List of Installed Software for Reinstallation / Restore All the Software Programs
    • (ve):Backup and Restore Installed Packages
    • Top Things to do after installing Ubuntu 11.04 and 11.10 Oneiric Ocelot
  • system
    • unix guide [ AIX freeBSD HP-UX LINUX SOLARS TRU64 ]
    • HTTPD - Apache2 Web Server :: HTTPS Configuration
    • How to change the hostname of a Linux system
    • VLC: Video Output
    • Restore Missing Volume Button to System Tray After Upgrade to Ubuntu 10.04
    • How To Make the Mac OS X Finder Suck Less
    
    
  • Cheat Sheets Collections
    • From html-5tutorial.com (a really nice and giant handy list of all kinds of info for the web developer and *nix host admin/provider in you)