Tonny Xu TonnyXu

TonnyXu / UIKit_System_Notifications.h

Created January 18, 2011 01:37

All the notifications predefined by UIKit framework. Apple should provide this but they don't. So, take it if you need it.

	// UIApplication.h
	UIApplicationDidEnterBackgroundNotification __OSX_AVAILABLE_STARTING(__MAC_NA,__IPHONE_4_0);
	UIApplicationWillEnterForegroundNotification __OSX_AVAILABLE_STARTING(__MAC_NA,__IPHONE_4_0);
	UIApplicationDidFinishLaunchingNotification;
	UIApplicationDidBecomeActiveNotification;
	UIApplicationWillResignActiveNotification;
	UIApplicationDidReceiveMemoryWarningNotification;
	UIApplicationWillTerminateNotification;
	UIApplicationSignificantTimeChangeNotification;
	UIApplicationWillChangeStatusBarOrientationNotification; // userInfo contains NSNumber with new orientation

TonnyXu / iPlusPlus.cpp

Created February 20, 2011 04:33

	#include <iostream>

	int main (int argc, char * const argv[]) {
	int i = 6;
	std::cout << i++ << std::endl;
	int j = i++;
	std::cout << j << std::endl;

	int p = 7;
	std::cout << ++p << std::endl;

TonnyXu / shiftOpt.cpp

Created February 20, 2011 04:53

	#include <iostream>

	int main (int argc, char * const argv[]) {
	int i = 1;
	int j = i << 4;
	std::cout << j << std::endl;

	return 0;
	}

TonnyXu / pointerBasic.cpp

Created February 20, 2011 04:59

	#include <iostream>

	int main (int argc, char * const argv[]) {
	int i = 5;
	int *p = &i;
	++*p;
	std::cout << i << std::endl;

	return 0;
	}

TonnyXu / arrayPoint.cpp

Created February 20, 2011 05:29

	#include <iostream>

	int main (int argc, char * const argv[]) {
	int a[] = {3,2,1,0};
	int *pa = a;
	std::cout << pa++ << std::endl;

	return 0;
	}

TonnyXu / stack.java

Created February 20, 2011 06:11

	public class Stack {
	private Object[] elements;
	private int size = 0;

	public Stack(int initialCapacity) {
	this.elements = new Object[initialCapacity];
	}

	public void push(Object e) {
	ensureCapacity();

TonnyXu / gist:1131908

Created August 8, 2011 15:01

NSIndexPath is uniqued and shared.

	#define myIndexPath [NSIndexPath indexPathForRow:2 inSection:1]

	NSAssert(myIndexPath == [NSIndexPath indexPathForRow:2 inSection:1], @"they should be the same object");

	// omitted code from UITableView -cellForRowAtIndexPath:
	if (myIndexPath == systemIndexPath){
	// my cell, show my contents
	}

TonnyXu / countLines.sh

Created August 29, 2011 06:05

Count lines of source code files

wc -l `find . -type f $ -name "*.h" -or -name "*.m" $`

TonnyXu / CountLines2.sh

Created August 29, 2011 06:42

To Handle spaces in file name.

find . -type f \( -name '*.xib' -or -name "*.h" -or -name "*.m" \) -exec awk '{print NR}' {} +|tail -1

TonnyXu / .bashrc

Created September 5, 2011 14:09

Colorful Bash Shell Prompt

	# NOTE: all the color mark must be surrounded with \[\] to avoid a wrong line wrapping calculation.
	export PS1="\[\e[35;40m\]\u\[\e[0m\]@\[\e[36;40m\]\h\[\e[0m\]:\[\e[37;40m\]\W\[\e[0m\] \t \[\e[36;40m\](\j) <\!>\[\e[0m\]\n\[\e[35;40m\]\$\[\e[0m\] "