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Applications are expected to have a root view controller at the end of application launch

... see the layout from a storyboard make sure you got rid of the code in you root delegate function "application didFinishLaunchingWithOptions..." that's pointed at in main.m and only have "return YES;" in it. – Olivier de Jonge Jun 26 '14 at 11:01 ...
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How does the vim “write with sudo” trick work?

...ve probably seen the command that allows you to write on a file that needs root permission, even when you forgot to open vim with sudo: ...
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Breadth First Vs Depth First

... Both kinds of traversal can be achieved with the pseudocode: Store the root node in Container While (there are nodes in Container) N = Get the "next" node from Container Store all the children of N in Container Do some work on N The difference between the two traversal orders lies in ...
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How to check if smtp is working from commandline (Linux) [closed]

... [root@piwik-dev tmp]# mail -v root@localhost Subject: Test Hello world Cc: <Ctrl+D> root@localhost... Connecting to [127.0.0.1] via relay... 220 piwik-dev.example.com ESMTP Sendmail 8.13.8/8.13.8; Thu, 23 Aug 2012 10:4...
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Access nested dictionary items via a list of keys?

...uce # forward compatibility for Python 3 import operator def get_by_path(root, items): """Access a nested object in root by item sequence.""" return reduce(operator.getitem, items, root) def set_by_path(root, items, value): """Set a value in a nested object in root by item sequence.""...
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How do I detect if software keyboard is visible on Android Device or not?

...oolean opened) { print("keyboard " + opened); } // ContentView is the root view of the layout of this activity/fragment contentView.getViewTreeObserver().addOnGlobalLayoutListener( new ViewTreeObserver.OnGlobalLayoutListener() { @Override public void onGlobalLayout() { ...
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How to show first commit by 'git log'?

... answer was posted.) Explanation Technically, there may be more than one root commit. This happens when multiple previously independent histories are merged together. It is common when a project is integrated via a subtree merge. The git.git repository has six root commits in its history graph (o...
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How can I configure Logback to log different levels for a logger to different destinations?

...n</pattern> </encoder> </appender> <root level="INFO"> <appender-ref ref="STDOUT"/> <appender-ref ref="STDERR" /> </root> </configuration> ...
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Check whether a path is valid in Python without creating a file at the path's target

...dity," we mean the syntactic correctness of a pathname with respect to the root filesystem of the current system – regardless of whether that path or parent directories thereof physically exist. A pathname is syntactically correct under this definition if it complies with all syntactic requirement...
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How to include PHP files that require an absolute path?

... This should work $root = realpath($_SERVER["DOCUMENT_ROOT"]); include "$root/inc/include1.php"; Edit: added imporvement by aussieviking share | ...