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iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm

... In the view controller that is presented modally, just override disablesAutomaticKeyboardDismissal to return NO: - (BOOL)disablesAutomaticKeyboardDismissal { return NO; } share |...
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How do I unload (reload) a Python module?

.... When targeting 3 or later, either reference the appropriate module when calling reload or import it. I think that this is what you want. Web servers like Django's development server use this so that you can see the effects of your code changes without restarting the server process itself. To quo...
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How do I get PyLint to recognize numpy members?

... I had the same issue here, even with the latest versions of all related packages (astroid 1.3.2, logilab_common 0.63.2, pylon 1.4.0). The following solution worked like a charm: I added numpy to the list of ignored modules by modifying my pylintrc file, in the [TYPECHECK] section: [...
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Passing arrays as url parameter

...5D=4&aParam%5Ba%5D=b&aParam%5Bc%5D=d" http_build_query() handles all the necessary escaping for you (%5B => [ and %5D => ]), so this string is equal to aParam[0]=1&aParam[1]=4&aParam[a]=b&aParam[c]=d. ...
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Configure Flask dev server to be visible across the network

...un on your machines IP address. Documented on the Flask site under "Externally Visible Server" on the Quickstart page: Externally Visible Server If you run the server you will notice that the server is only available from your own computer, not from any other in the network. This is th...
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Performance of FOR vs FOREACH in PHP

First of all, I understand in 90% of applications the performance difference is completely irrelevant, but I just need to know which is the faster construct. That and... ...
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What is a C++ delegate?

...lt;int(double)> f = [can be set to about anything in this answer] // Usually more useful as a parameter to another functions Option 6: binding (using std::bind) Allows setting some parameters in advance, convenient to call a member function for instance. struct MyClass { int DoStuff(dou...
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How do I bind a WPF DataGrid to a variable number of columns?

... property is ReadOnly, like everyone noticed, I made an Attached Property called BindableColumns which updates the Columns in the DataGrid everytime the collection changes through the CollectionChanged event. If we have this Collection of DataGridColumn's public ObservableCollection<DataGrid...
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When to use nested classes and classes nested in modules?

... As for your second observation, classes nested inside of modules are generally used to namespace the classes. For instance: module ActiveRecord class Base end end differs from module ActionMailer class Base end end Although this is not the only use of classes nested inside of modules,...
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How do I recursively delete a directory and its entire contents (files + sub dirs) in PHP?

... This calls is_dir twice for each recursed directory. If the argument is a symlink, it also follows it instead of deleting the symlink, which might or might not be what you want. In any case, it's not what rm -rf does. ...