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Why dict.get(key) instead of dict[key]?

...ents anywhere? As mentioned here, It seems that all three approaches now exhibit similar performance (within about 10% of each other), more or less independent of the properties of the list of words. Earlier get was considerably slower, However now the speed is almost comparable along with t...
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How do I use installed packages in PyCharm?

... can put the path to the module you'd like it to recognize. But I don't know the path.. Open the python interpreter where you can import the module. >> import gnuradio >> gnuradio.__file__ "path/to/gnuradio" Most commonly you'll have a folder structure like this: foobarbaz/ gnur...
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Left Align Cells in UICollectionView

... the array. You may look into the source code for its implementation.) So now the only thing we have to do is to implement the layoutAttributesForItem(at indexPath: IndexPath) function properly. The super class UICollectionViewFlowLayout already puts the correct number of cells in each line so we o...
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What should I do when 'svn cleanup' fails?

... everything to get pulled down). Run a cleanup on this cancelled checkout. Now we have a new .svn directory with a clean database (although no/few files) Copy this .svn into your old, corrupted working directory. Run svn update and it should bring your new partial .svn directory up to speed with you...
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Oracle TNS names not showing when adding new connection to SQL Developer

... line: echo %TNS_ADMIN% From linux: echo $TNS_ADMIN Restart SQL Developer Now in SQL Developer right click on Connections and select New Connection.... Select TNS as connection type in the drop down box. Your entries from tnsnames.ora should now display here. ...
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When saving, how can you check if a field has changed?

...mixin that tracks model fields' values and provide some useful api to know what fields have been changed. """ def __init__(self, *args, **kwargs): super(ModelDiffMixin, self).__init__(*args, **kwargs) self.__initial = self._dict @property def diff(self): ...
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iOS Remote Debugging

...se follow gregers' advice. New answer: Use Weinre. Old answer: You can now use Safari for remote debugging. But it requires iOS 6. Here is a quick translation of http://html5-mobile.de/blog/ios6-remote-debugging-web-inspector Connect your iDevice via USB with your Mac Open Safari on your Mac ...
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Clustered vs Non-Clustered

My lower level knowledge of SQL (Server 2008) is limited, and is now being challanged by our DBAs. Let me explain (I have mentioned obvious statements in the hope that I am right, but if you see something wrong, please tell me) the scenario: ...
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How fast is D compared to C++?

... @CyberShadow Thanks! With these flags runtime improves considerably. Now D is at 12.9 s. But still runs more than 3 times as long. @Matthieu M. I would not mind to test a program with boundschecking in slow motion and once it is debugged let it do its computations without boundschecking. (I do...
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Wrong Manifest.mf in IntelliJ IDEA created .jar

... but I removed the support of maven. I recreate a project from scratch and now it works. – Maxence Jun 16 '15 at 15:41 1 ...