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In PHP, what is a closure and why does it use the “use” identifier?
I'm checking out some PHP 5.3.0 features and ran across some code on the site that looks quite funny:
6 Answers
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Dashed line border around UIView
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yourViewBorder.strokeColor = [UIColor blackColor].CGColor;
yourViewBorder.fillColor = nil;
yourViewBorder.lineDashPattern = @[@2, @2];
yourViewBorder.frame = yourView.bounds;
yourViewBorder.path = [UIBezierPath bezierPathWithRect:yourView.bounds].CGPath;
[yourView.layer addSublayer:yourViewBorder];...
Copying files from host to Docker container
I am trying to build a backup and restore solution for the Docker containers that we work with.
41 Answers
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Count occurrences of a char in a string using Bash
I need to count the number of occurrences of a char in a string using Bash.
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PowerShell equivalent to grep -f
I'm looking for the PowerShell equivalent to grep --file=filename . If you don't know grep , filename is a text file where each line has a regular expression pattern you want to match.
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How to tell if a tag failed to load
...page's <head> , and I'd like to be able to tell whether the loading failed in some way -- a 404, a script error in the loaded script, whatever.
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Decorators with parameters?
I have a problem with the transfer of variable 'insurance_mode' by the decorator. I would do it by the following decorator statement:
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Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?
...ctures without having to explicitly type every property that they consist of.
8 Answers
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What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?
...r equal to, but I've seen => in some source code. What's the meaning of that operator?
13 Answers
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Why should the copy constructor accept its parameter by reference in C++?
Why must a copy constructor's parameter be passed by reference?
8 Answers
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