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UIBarButtonItem with custom image and no border
...d to UIBarButtonItem without subclassing it using custom category:
@interface UIBarButtonItem(MyCategory)
+ (UIBarButtonItem*)barItemWithImage:(UIImage*)image target:(id)target action:(SEL)action;
@end
@implementation UIBarButtonItem(MyCategory)
+ (UIBarButtonItem*)barItemWithImage:(UIImage*)i...
Why does string::compare return an int?
Why does string::compare return an int instead of a smaller type like short or char ? My understanding is that this method only returns -1, 0 or 1.
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Is there a way to use shell_exec without waiting for the command to complete?
... adding.
"> /dev/null 2>/dev/null &"
shell_exec('php measurePerformance.php 47 844 email@yahoo.com > /dev/null 2>/dev/null &');
Note this also gets rid of the stdio and stderr.
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Is pass-by-value a reasonable default in C++11?
In traditional C++, passing by value into functions and methods is slow for large objects, and is generally frowned upon. Instead, C++ programmers tend to pass references around, which is faster, but which introduces all sorts of complicated questions around ownership and especially around memory ma...
How to overcome TypeError: unhashable type: 'list'
I'm trying to take a file that looks like this:
6 Answers
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What is a unix command for deleting the first N characters of a line?
For example, I might want to:
6 Answers
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How do you debug a regex? [closed]
Regular expressions can become quite complex. The lack of white space makes them difficult to read. I can't step though a regular expression with a debugger. So how do experts debug complex regular expressions?
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How can you strip non-ASCII characters from a string? (in C#)
How can you strip non-ASCII characters from a string? (in C#)
11 Answers
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ASP.NET MVC View Engine Comparison
I've been searching on SO & Google for a breakdown of the various View Engines available for ASP.NET MVC, but haven't found much more than simple high-level descriptions of what a view engine is.
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
I successfully implemented the OpenCV square-detection example in my test application, but now need to filter the output, because it's quite messy - or is my code wrong?
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