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Suppress warning “Category is implementing a method which will also be implemented by its primary cl

...is answer should be the correct one. Anyway it has more votes than the one selected as answer. – Juan Catalan Nov 5 '14 at 17:28  |  show 11 m...
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Status bar and navigation bar appear over my view's bounds in iOS 7

...7 SDK. Please add the following code to achieve this, if ([self respondsToSelector:@selector(edgesForExtendedLayout)]) self.edgesForExtendedLayout = UIRectEdgeNone; You need to add the above in your -(void)viewDidLoad method. iOS 7 brings several changes to how you layout and customiz...
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horizontal scrollbar on top and bottom of table

...nate bug: clicking the shaded area of the scrollbar no longer jumps to the selection you click. Instead, what you get is a very small and somewhat annoying increment in the position of the scrollbar. Tested: 4 versions of Firefox (100% affected), 4 versions of Chrome (50% affected). Here's my jsf...
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Renaming a virtualenv folder without breaking it

...ate_this.py instead of using the location of the Python interpreter to select the environment. Note: you must run this after you've installed any packages into the environment. If you make an environment relocatable, then install a new package, you must run virtualenv --relocatabl...
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What are the differences between numpy arrays and matrices? Which one should I use?

...nces between matrix objects and ndarrays (having to do with np.ravel, item selection and sequence behavior). The main advantage of numpy arrays is that they are more general than 2-dimensional matrices. What happens when you want a 3-dimensional array? Then you have to use an ndarray, not a matrix ...
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what is the most efficient way of counting occurrences in pandas?

...].astype('str').stack().value_counts().sum() which equates to setting each selected column to str type, stacking all individual columns on top, forming basically one column and then doing the value_counts() and sum() on that one column. :) Stack is pretty useful, it might not be the most obvious cho...
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How do I create a new branch?

...ow: Right click on Trunk/ which you will be creating your Branch from: Select Branch/Tag: Type in location of your new branch, commit message, and any externals (if your repository has them): share | ...
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Do I need to disable NSLog before release Application?

...s is through 'edit scheme' -> 'run app name' -> under the tab 'info' select using the drop-down box between debug & release. In the release version you won't see any NSLog output in the debug console ! How does this all work? first of all, one must know that a preprocessor is relatively ...
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How Do I Hide wpf datagrid row selector

I'm using the WPF DataGrid control to show some details and a select button, and I don't need the gray selector column down the left-hand side. It's also ruining the beauty of my design. ...
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Installing Java on OS X 10.9 (Mavericks)

... If you have installed both java6 and java7, you can select v6 in your shell with: export JAVA_HOME=/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home – Jürgen Strobel Oct 28 '13 at 13:34 ...