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Why cast an unused function parameter value to void?

...For example if you do have the following statement: ud; This warning is now suppressed. However now GCC will produce another warning: unused.c:5:5: warning: statement with no effect [-Wunused-value] ud; ^~ This warning tells that the statement ud;, while being syntactically valid C, ...
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How do I view an older version of an SVN file?

I have an SVN file which is now missing some logic and so I need to go back about 40 revisions to the time when it had the logic I need. Other than trying to view a diff of the file in the command line ( very hard to read ), is there any way I could get a copy of that file to review so I can study i...
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Resetting a multi-stage form with jQuery

... That :input is handy... now I know I'll use. Thanks Paolo :) +1 – alex Mar 25 '09 at 4:51 ...
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CSS selector for first element with class

... This is one of the most well-known examples of authors misunderstanding how :first-child works. Introduced in CSS2, the :first-child pseudo-class represents the very first child of its parent. That's it. There's a very common misconception that it picks u...
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Force HTML5 youtube video

... hmm - now it's not working (same vids), weird. I wonder if it only works on certain youtube servers? – UpTheCreek Mar 3 '12 at 13:02 ...
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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been

... figured out how to load the image and draw it to the canvas, but I don't know how to change its opacity once it as been drawn. ...
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WKWebView in Interface Builder

...that works!! So... as ILI4S said maybe it's not a good suggestion, i dont know if it's or not, but works properly! Thanks man, you saved my day!!:) – Jorge Cordero Mar 6 '18 at 16:58 ...
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How do I interactively unstage a particular hunk in git?

... I should mention the more recent graphical Git clients now -- GitKraken is beautiful, and supports this (though it now comes with a hefty fee for commercial use). GitHub's GitHub Desktop is free, beautiful, and supports easily staging and unstaging hunks. GitKraken and GitHub Des...
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Calculate RSA key fingerprint

...5 -lf <fileName> Bonus information: ssh-keygen -lf also works on known_hosts and authorized_keys files. To find most public keys on Linux/Unix/OS X systems, run $ find /etc/ssh /home/*/.ssh /Users/*/.ssh -name '*.pub' -o -name 'authorized_keys' -o -name 'known_hosts' (If you want to se...
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Getting all names in an enum as a String[]

...and way to lazy to create an State array i guess, hehe, anyways iedited it now :) – PermGenError Dec 9 '12 at 0:15 2 ...