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'AND' vs '&&' as operator

... If you use AND and OR, you'll eventually get tripped up by something like this: $this_one = true; $that = false; $truthiness = $this_one and $that; Want to guess what $truthiness equals? If you said false... bzzzt, sorry, wrong! $truthiness above has the ...
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Should struct definitions go in .h or .c file?

...ou mean global and local visibility? public doesnt make sense in a struct. All structs are public by default. – BugShotGG Jul 6 '15 at 16:05 3 ...
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How to simulate a higher resolution screen? [closed]

...ving to set it up yourself, but has the advantage of being able to test locally with no internet connection. share | improve this answer | follow | ...
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How can I push to my fork from a clone of the original repo?

I created a fork (let's call it myrepo ) of another repository (let's call it orirepo ) on GitHub. Later, I cloned orirepo . ...
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Autolayout - intrinsic size of UIButton does not include title insets

...o override any methods or set an arbitrary width constraint. You can do it all in Interface Builder as follows. Intrinsic button width is derived from the title width plus the icon width plus the left and right content edge insets. If a button has both an image and text, they’re centered as a gr...
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Command to get nth line of STDOUT

...ssage: ls -l | sed -n -e '2{p;q}' I've seen that often enough that I usually use the first (which is easier to type, anyway), though ls is not a command that complains when it gets SIGPIPE. For a range of lines: ls -l | sed -n 2,4p For several ranges of lines: ls -l | sed -n -e 2,4p -e 20,30...
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CORS: Cannot use wildcard in Access-Control-Allow-Origin when credentials flag is true

... This is a part of security, you cannot do that. If you want to allow credentials then your Access-Control-Allow-Origin must not use *. You will have to specify the exact protocol + domain + port. For reference see these questions : Access-Control-Allow-Origin wildcard subdomains, ports...
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Is there a way to make ellipsize=“marquee” always scroll?

...ds onFocusChanged, onWindowFocusChanged and isFocused to make the TextView all focused. @Override protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { if(focused) super.onFocusChanged(focused, direction, previouslyFocusedRect); } @Override public ...
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simulate background-size:cover on or

... that it doesn't handle scaling correctly. If the surrounding element is smaller than the video file, it isn't scaled down. Even if you give the video tag a tiny initial size, like 16px by 9px, auto ends up forcing it to a minimum of its native file-size. With the current top-voted solution on this ...
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Control the size of points in an R scatterplot?

.... I'm making scatterplots with tens of thousands of points and prefer a small, but not too small dot. Basically, I find pch='.' to be too small, but pch=19 to be too fat. Is there something in the middle or some way to scale the dots down somehow? ...