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preferredStatusBarStyle isn't called

... Possible root cause I had the same problem, and figured out it was happening because I wasn't setting the root view controller in my application window. The UIViewController in which I had implemented the preferredStatusBarStyle wa...
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MongoDB: Combine data from multiple collections into one..how?

...rrays: ["$employees", "$freelancers"] } } }, // 6. Unwind and replace root so you end up with a result set. { $unwind: '$union' }, { $replaceRoot: { newRoot: '$union' } } ]); Here is the explanation of how it works: Instantiate an aggregate out of any collection of your database t...
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Disable HttpClient logging

... - %msg %n</pattern> </encoder> </appender> <root level="ERROR"> <!-- appender referenced after it is defined --> <appender-ref ref="STDOUT"/> </root> </configuration> Logback looks to still be under development and the API seems ...
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Quickly create a large file on a Linux system

...disk based file systems, very fast: For example: fallocate -l 10G gentoo_root.img share | improve this answer | follow | ...
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Dealing with “java.lang.OutOfMemoryError: PermGen space” error

... @TimHowland, it can be a permanent fix if the root cause is not classloader leakage, just too many classes/static data in your web app. – Péter Török Dec 14 '11 at 8:50 ...
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Find kth smallest element in a binary search tree in Optimum way

...n make that less expensive though: store the total size of the tree in the root, and the size of the left sub-tree. When you need to size of the right sub-tree, you can subtract the size of the left from the total size. – Jerry Coffin Feb 24 '10 at 20:33 ...
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python setup.py uninstall

... To help others: because I'm not root, I install everything in my home. Here is what I did easy_install --user --prefix=$HOME pip. Then I added the following in my PATH: ln -s /home/tflutre/.local/bin/pip ~/bin, ln -s /home/tflutre/.local/bin/pip2.7 ~/bin an...
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nginx error connect to php5-fpm.sock failed (13: Permission denied)

...; fastcgi_param DOCUMENT_URI $document_uri; fastcgi_param DOCUMENT_ROOT $document_root; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; fastcgi_param SERVER_PROTOCOL $server_protocol; fastcgi_param PATH_INFO $fastcgi_script_name; fastcgi_param HTTPS ...
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How can I make my own base image for Docker?

... from any tarball with "docker import". For example: debootstrap raring ./rootfs tar -C ./rootfs -c . | docker import - flimm/mybase share | improve this answer | follow ...
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How do I read configuration settings from Symfony2 config.yml?

...nfigTreeBuilder() { $treeBuilder = new TreeBuilder(); $rootNode = $treeBuilder->root( 'my_nice_project' ); $rootNode->children()->scalarNode( 'contact_email' )->end(); return $treeBuilder; } } Then you can get the config from your controller, a...