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UITextField - capture return button event

...terPressed), for: .editingDidEndOnExit) } in enterPressed() function put all behaviours you're after func enterPressed(){ //do something with typed text if needed textField.resignFirstResponder() } share ...
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What is the difference between join and merge in Pandas?

... pandas.merge() is the underlying function used for all merge/join behavior. DataFrames provide the pandas.DataFrame.merge() and pandas.DataFrame.join() methods as a convenient way to access the capabilities of pandas.merge(). For example, df1.merge(right=df2, ...) is equiva...
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Which characters are valid/invalid in a JSON key name?

... Not those. Whatever needs escaping in JavaScript generally needs it in JSON. Best to get it from the horse's mouth, though, at json.org. It takes about one minute to read the entire spec end-to-end. – Marcelo Cantos Dec 30 '11 at 4:21 ...
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Convert a Git folder to a submodule retrospectively?

...d after a while it becomes clear that some component of the project is actually useful as a standalone component (a library, perhaps). If you've had that idea from early on, then there's a fair chance that most of that code is in its own folder. ...
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NPM cannot install dependencies - Attempt to unlock something which hasn't been locked

I've been trying to run an npm install on my package.json file, but I'm having a lot of trouble. It keeps saying "Error: Attempt to unlock XXX, which hasn't been locked" on all my dependences. Here's one of them: ...
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Bash set +x without it being printed

... McJoeyMcJoey 1,61811 gold badge99 silver badges77 bronze badges ...
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jQuery Validate Plugin - Trigger validation of single field

I've got a form that can optionally be pre-populated via facebook connect. Once a user connects, their name and email are automatically filled in. The problem is that this doesn't trigger the remote validation to check if the email already exists. ...
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What is the difference between AF_INET and PF_INET in socket programming?

... to do is to use AF_INET in your struct sockaddr_in and PF_INET in your call to socket(). But practically speaking, you can use AF_INET everywhere. And, since that's what W. Richard Stevens does in his book, that's what I'll do here. ...
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Reading a binary file with python

... | edited Jan 3 '12 at 11:15 answered Jan 3 '12 at 10:46 ...
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How can I access my localhost from my Android device?

... have a similar output on Windows there's going to be a bunch of IP's try all of them (except the forementioned localhost and 127.0.0.1) If your phone is connected to the mobile network, then things are going to be harder. Either go hardcore: first find out your router external IP address (ht...