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Using 'starts with' selector on individual class names
.... It would be marginally faster (at best) because it would not have to substring the class attribute. Negligible.
– Josh Stodola
Feb 1 '10 at 16:58
2
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onKeyPress Vs. onKeyUp and onKeyDown
... an empty input element:
The value of the input element will be an empty string (old value) inside the keypress handler
The value of the input element will be 1 (new value) inside the keyup handler.
This is of critical importance if you are doing something that relies on knowing the new value af...
String length in bytes in JavaScript
...A');
a.href = '#' + s;
var sEncoded = a.href;
sEncoded = sEncoded.substring(sEncoded.indexOf('#') + 1);
var m = sEncoded.match(/%[0-9a-f]{2}/g);
return sEncoded.length - (m ? m.length * 2 : 0);
}
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How to format a string as a telephone number in C#
I have a string "1112224444' it is a telephone number. I want to format as 111-222-4444 before I store it in a file. It is on a datarecord and I would prefer to be able to do this without assigning a new variable.
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Netty vs Apache MINA
...s we ended up with more functionality in much, much less code.
The Netty Pipeline worked better for us. It is somehow simpler than MINAs, where everything is a handler and it is up to you to decide whether to handle upstream events, downstream events, both or consume more low-level stuff. Gobbling ...
How to append data to div using JavaScript?
...
Try this:
var div = document.getElementById('divID');
div.innerHTML += 'Extra stuff';
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How to concatenate stdin and a string?
How to I concatenate stdin to a string, like this?
9 Answers
9
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scale Image in an UIButton to AspectFit?
...CPU cycles.
This is the category I'm using to scale an image :
UIImage+Extra.h
@interface UIImage (Extras)
- (UIImage *)imageByScalingProportionallyToSize:(CGSize)targetSize;
@end;
UIImage+Extra.m
@implementation UIImage (Extras)
- (UIImage *)imageByScalingProportionallyToSize:(CGSize)targe...
C++ Dynamic Shared Library on Linux
...ostream>
#include "myclass.h"
using namespace std;
int main(int argc, char **argv)
{
/* on Linux, use "./myclass.so" */
void* handle = dlopen("myclass.so", RTLD_LAZY);
MyClass* (*create)();
void (*destroy)(MyClass*);
create = (MyClass* (*)())dlsym(handle, "create_object");
destroy...
What is __stdcall?
...s, but pinvoke.net gives this signature: "static extern int wsprintf([Out] StringBuilder lpOut, string lpFmt, ...);"
– Michael Burr
Nov 21 '08 at 4:54
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