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How to overcome TypeError: unhashable type: 'list'
I'm trying to take a file that looks like this:
6 Answers
6
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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...
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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What is a unix command for deleting the first N characters of a line?
For example, I might want to:
6 Answers
6
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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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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
11
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Difference between array_map, array_walk and array_filter
What exactly is the difference between array_map , array_walk and array_filter . What I could see from documentation is that you could pass a callback function to perform an action on the supplied array. But I don't seem to find any particular difference between them.
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Android Center text on canvas
... is that the text is not centered horizontally.
When I set the coordinates for drawText , it sets the bottom of the text at this position. I would like the text to be drawn so that the text is centered also horizontally.
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