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Default value to a parameter while passing by reference in C++

...ifferent address to the function? or will the address of State be always 0 and so meaningless? – Sony Jun 29 '09 at 18:10 ...
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How to make a element expand or contract to its parent container?

The goal is to have the <svg> element expand to the size of its parent container, in this case a <div> , no matter how big or small that container may be. ...
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An example of how to use getopts in bash

...t;0 (for the sake of simplicity I didn't differentiate between those cases and nobody forces you to print the usage text in the latter case). I have seen programs which always return != 0, though, even on -h/--help. Maybe I should update the snippet in case people use this as boilerplate (I hope not...
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Easy pretty printing of floats in python?

... to be dealing with arrays of numbers), there is (almost exactly) this command you said you made up: import numpy as np np.set_printoptions(precision=2) Or even better in your case if you still want to see all decimals of really precise numbers, but get rid of trailing zeros for example, use the ...
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How does Duff's device work?

I've read the article on Wikipedia on the Duff's device , and I don't get it. I am really interested, but I've read the explanation there a couple of times and I still don't get it how the Duff's device works. ...
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Regular expression to allow spaces between words

I want a regular expression that prevents symbols and only allows letters and numbers. The regex below works great, but it doesn't allow for spaces between words. ...
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Label under image in UIButton

...ews in the button's superview. Only suggestion is to use CGRectGetHeight() and CGRectGetWidth() when getting the imageView and titleLabel height and width. – Jesse Oct 24 '14 at 18:35 ...
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Why does a RegExp with global flag give wrong results?

...hat is the problem with this regular expression when I use the global flag and the case insensitive flag? Query is a user generated input. The result should be [true, true]. ...
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Cross-browser custom styling for file upload button [duplicate]

...visibility:hidden or display:none file-input). I've tested in emulated IE7 and up, and it worked perfectly. You can't use <button>s inside <label> tags unfortunately, so you'll have to define the styles for the buttons yourself. To me, this is the only downside to this approach. If t...
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CSS: background image on background color

...d-image: url('images/checked.png'); Or, you can use the background shorthand and specify it all in one line: background: url('images/checked.png'), #6DB3F2; share | improve this answer ...