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How to print to console when using Qt
...ng( "C Style Warning Message" );
qCritical() << "C++ Style Critical Error Message";
qCritical( "C Style Critical Error Message" );
// qFatal does not have a C++ style method.
qFatal( "C Style Fatal Error Message" );
Though as pointed out in the comments, bear in mind qDebug messages are re...
Clang vs GCC for my Linux Development project
...class, right :) ?
Well, gcc notices it too, after a fashion:
prog.cpp:9: error: expected initializer before ‘&’ token
prog.cpp: In function ‘int main()’:
prog.cpp:15: error: no match for ‘operator<<’ in ‘std::cout << me’
/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include/...
How to set variable from a SQL query?
...le is assigned the last value that is returned (as womp said), without any error or warning (this may cause logic bugs)
When using SET, an error will occur
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In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
...All of this is very well explained in the ARC transition guide.
In your NSError example, the declaration means __strong, implicitly:
NSError * e = nil;
Will be transformed to:
NSError * __strong error = nil;
When you call your save method:
- ( BOOL )save: ( NSError * __autoreleasing * );
T...
Git Checkout warning: unable to unlink files, permission denied
...
I usually see that kind of error when there is a process not releasing the handle of those files.
Make sure nothing is running, and then try your checkout again.
Note: it can also be related with the way Git has been installed (on Windows, UAC can ge...
Cordova 3.5.0 Install Error- Please Install Android Target 19
...
I too was getting the same error 19. I have no idea about AndroidManifest.xml and where it is supposed to be.
In my case, I fixed the error by running the 'android' command from the console, opening the Android 4.4.2 (API19) tree and installing the SD...
EXC_BAD_ACCESS signal received
...to the device, the program will quit after a few cycles with the following error:
32 Answers
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Are braces necessary in one-line statements in JavaScript?
...ice to always use the braces {}. As @Arx said, there's a lot more room for error if you leave them out. Apple even had a bug in iOS's SSL/TLS because they didn't use braces
– Keenan Lidral-Porter
Jan 6 '15 at 19:56
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Checking for a dirty index or untracked files with Git
.../null| egrep "^(M| M)" | wc -l)
Note: The 2>/dev/null filters out the error messages so you can use these commands on non-git directories. (They'll simply return 0 for the file counts.)
Edit:
Here are the posts:
Adding Git Status Information to your Terminal Prompt
Improved Git-enabled Shel...
$PHP_AUTOCONF errors on mac os x 10.7.3 when trying to install pecl extensions
...up my machine with pecl_http and memcache and in both cases, I get similar errors. This is on MAC OS X 10.7.3 (lion) and I also have XCODE installed on it. I also installed Zend Server community edition before running these commands and have CFLAGS='-arch i386 -arch x86_64' environment variables set...