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How to set iPhone UIView z index?
...w atIndex:(NSInteger)index;
- (void)exchangeSubviewAtIndex:(NSInteger)index1 withSubviewAtIndex:(NSInteger)index2;
- (void)addSubview:(UIView *)view;
- (void)insertSubview:(UIView *)view belowSubview:(UIView *)siblingSubview;
- (void)insertSubview:(UIView *)view aboveSubview:(UIView *)siblingSubvie...
Regex (grep) for multi-line search needed [duplicate]
...can do multiline search with grep.
$ grep -Pzo "(?s)^(\s*)\N*main.*?{.*?^\1}" *.c
Explanation:
-P activate perl-regexp for grep (a powerful extension of regular expressions)
-z suppress newline at the end of line, substituting it for null character. That is, grep knows where end of line is, but...
Test if a variable is set in bash when using “set -o nounset”
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edited Aug 5 '15 at 9:24
Flimm
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Choose newline character in Notepad++
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answered Nov 19 '11 at 17:30
VladVlad
16.7k44 gold badges3636 silver badges6565 bronze badges
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How to create function that returns nothing
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172
Use RETURNS void like below:
CREATE FUNCTION stamp_user(id int, comment text) RETURNS void AS...
How to get a pixel's x,y coordinate color from an image?
...lData = canvas.getContext('2d').getImageData(event.offsetX, event.offsetY, 1, 1).data;
Because you are only grabbing one pixel, pixelData is a four entry array containing the pixel's R, G, B, and A values. For alpha, anything less than 255 represents some level of transparency with 0 being fully ...
RabbitMQ and relationship between channel and connection
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201
A Connection represents a real TCP connection to the message broker, whereas a Channel is a vir...
What's a standard way to do a no-op in python?
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291
Use pass for no-op:
if x == 0:
pass
else:
print "x not equal 0"
And here's another exampl...
Custom fonts and XML layouts (Android)
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