[3G] Sierra Wireless 320U

Sierra Wireless 320U
Sierra Wireless Modems - Advanced Configuration

[iOS] iPad Support

Porting iPhone to iPad
Developing Split View Based Apps for the iPad
Creating an Universal iOS Apps Tutorial
Advanced App Tricks
Resources considerations

View Controller Programming Guide for iOS

[iOS] Core Animation Programming Guide

Core Animation Programming Guide

[iOS] Event Handling Guide for iOS

Event Handling Guide for iOS

[iOS] UITouch

Create multiple views and make the touched view follow the users touch.
UITouch explain in detail.
UITouch: hitTest issue

[iOS] UIScrollView

About ScrollView Programming
ScrollViewSuite
UIScrollview getting touch events
example

[Linux] Shell Script check value enable/disable

#!/bin/sh
CHECK_FILE="/var/value_check"
CHECK_ENABLE=`cat $CHECK_FILE`
echo "CHECK_ENABLE=$CHECK_ENABLE"
if [ -f $CHECK_FILE -a -n $CHECK_ENABLE ]; then
        if [ $CHECK_ENABLE -eq 1 ]; then
                echo "enable";
        else
                echo "disable 1";
        fi
else
        echo "disable 2";
fi


[Linux] Shell Script

An Introduction to Shell Script
Advanced Bash-Scripting Guide

Using Named Pipes (FIFOs)

[iOS] UIImageView Rotate

Reference 1
Reference 2
Reference 3
Reference 4

[iOS] UIImageView Animation

reference 1
reference 2

UIView Animation
Using UITouch inside a UIScrollView
Touches Example

[C++] static data member

reference

public static data member: for all object class, fetch by Class::member name, init before function declare.
private static data member: for class only, direct fetch, use it inter class is OK

[Linux] CUPS

CUPS
鳥哥的 Linux 私房菜
Printer support List