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What does the ??!??! operator do in C?
...?! is a trigraph that translates to |. So it says:
!ErrorHasOccured() || HandleError();
which, due to short circuiting, is equivalent to:
if (ErrorHasOccured())
HandleError();
Guru of the Week (deals with C++ but relevant here), where I picked this up.
Possible origin of trigraphs or as @...
problem with and :after with CSS in WebKit
...n a select box with the pseudo :after (to style my select box with 2 parts and without images). Here's the HTML:
9 Answers
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Further understanding setRetainInstance(true)
...stance(true) on a Fragment ? The documentation is virtually non-existent and this seems like a very important function. Specifically I want to know how much of this sequence (that I made up) is true:
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Move the mouse pointer to a specific position?
I'm building a HTML5 game and I am trying to put the mouse cursor over a certain control on a specific event so that moving in a specific direction always has the same result. Is this possible?
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Why can't my program compile under Windows 7 in French? [closed]
I'm running Windows 7 French and I'm trying to compile this really basic program, but Visual Studio is being stubborn and refuses to comply. I also tried compiling it with both GCC 4.7 and Clang trunk on Coliru and I get more or less the same errors (output is below the code), though I think Colir...
How to run a Runnable thread in Android at defined intervals?
... developed an application to display some text at defined intervals in the Android emulator screen. I am using the Handler class. Here is a snippet from my code:
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How to make button look like a link?
...otherwise a good start, but the second answer here is really more thorough and has the right solution for underlining.
– michael
Mar 31 '14 at 4:29
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How to use NSURLConnection to connect with SSL for an untrusted cert?
... Thanks a lot, it works perfectly. Just remove the the two ifs and keep only the useCendential part in the didReceiveAuthentificationChallenge callback if you want to accept any https site.
– yonel
Jan 27 '10 at 10:40
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Getting back old copy paste behaviour in tmux, with mouse
... do in tmux to copy-paste (using the mouse, the keyboard works differently and it is not what I am interested about):
13 An...
Android Studio Stuck at Gradle Download on create new project
I have installed the new Android Studio . Everything was working fine but when I try to create a new project it gets stuck at downloading Gradle .
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