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Cropping an UIImage
...hich obeys the imageOrientation property. All orientations were thoroughly tested.
inline double rad(double deg)
{
return deg / 180.0 * M_PI;
}
UIImage* UIImageCrop(UIImage* img, CGRect rect)
{
CGAffineTransform rectTransform;
switch (img.imageOrientation)
{
case UIImageOri...
Check for changes to an SQL Server table?
...QL via triggers, you could do the bulk of the work for them by writing and testing the triggers and then bringing the code to the application vendor. By having the vendor support the triggers, it prevent the situation where your adding a trigger inadvertently replaces a trigger supplied by the vend...
How does this program work?
... 00 4A 93 40
A %d consumes a 32-bit integer, so a zero is printed. (As a test, you could printf("%d, %d\n", 1234.5f); You could get on output 0, 1083394560.)
As for why the float is converted to double, as the prototype of printf is int printf(const char*, ...), from 6.5.2.2/7,
The ellipsi...
string.IsNullOrEmpty(string) vs. string.IsNullOrWhiteSpace(string)
...
The differences in practice :
string testString = "";
Console.WriteLine(string.Format("IsNullOrEmpty : {0}", string.IsNullOrEmpty(testString)));
Console.WriteLine(string.Format("IsNullOrWhiteSpace : {0}", string.IsNullOrWhiteSpace(testString)));
Console.ReadKey(...
Remap values in pandas column with a dict
...f = pd.DataFrame({ 'col1': np.random.choice( range(1,9), 100000 ) })
and testing with %timeit, it appears that map is approximately 10x faster than replace.
Note that your speedup with map will vary with your data. The largest speedup appears to be with large dictionaries and exhaustive replac...
Internet Explorer 8 Developer Tools not displaying
...ng tools (they are also very good). Now as I've got this window back I can test things quickly on IE also. I would have given +10 if I could.
– IsmailS
Jul 23 '10 at 10:12
2
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How can “while (i == i) ;” be a non-infinite loop in a single threaded application?
...t;code>false</code> otherwise.
*
* @param v the value to be tested.
* @return <code>true</code> if the value of the argument is NaN;
* <code>false</code> otherwise.
*/
static public boolean isNaN(double v) {
return (v != v);
}
...
How can I trim leading and trailing white space?
...ition of a best answer. This answer is nice to know of (+1) but in a quick test, it wasnt as fast as some of the alternatives out there.
– A5C1D2H2I1M1N2O1R2T1
May 24 '15 at 8:05
...
Imitating a blink tag with CSS3 animations
... blinking. All other solutions blink the background of the element too. To test, use a <span> with white on blue text against a <body> with green background. Only in this solution, blue span background will not blink.
– jamadagni
Jan 2 '16 at 15:58
...
get current url in twig template?
...
@GateKiller This made my Functional Test Fail: Uncaught PHP Exception PHPUnit_Framework_Error_Notice: "Undefined index: REQUEST_URI"
– Robin
Aug 15 '14 at 10:18
...