Tiger6688

//Override UICollectionViewFlowLayout class
@interface FixedHeaderLayout : UICollectionViewFlowLayout
@end

@implementation FixedHeaderLayout
//Override shouldInvalidateLayoutForBoundsChange to require a layout update when we scroll 
- (BOOL) shouldInvalidateLayoutForBoundsChange:(CGRect)newBounds {
    return YES;
}

Tiger6688

#!/bin/sh

until [ -z $1 ]; do
        unix2dos $1 2>/dev/null
        iconv -f UTF-8 -t GBK $1 -o /tmp/unix2doc.tmp 2>/dev/null

        if [ $? -eq 0 ]; then
                mv /tmp/unix2doc.tmp $1
                echo "linux2win: converting file $1 to WIN format ..."
        else

Tiger6688

/* a clever way to implement string multiplication in JavaScript */
String.prototype.times = function(n) {
    return Array.prototype.join.call({length:n+1}, this);
};
"js".times(5) // => "jsjsjsjsjs"

Tiger6688

#include <stdlib.h>
#include <stdio.h>
#include <setjmp.h>
 
jmp_buf __exception_context;
 
#define try if(!setjmp(__exception_context))
#define catch else
#define throw_exception longjmp(__exception_context, 1)