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How does functools partial do what it does?

...lback): ''' callback should accept two positional arguments, event and params ''' self._listeners.append(callback) # ... def notify(self, event, *params): for f in self._listeners: f(event, params) But a function you already have needs access to som...
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How to do an update + join in PostgreSQL?

... -- joined table WHERE a.abiturient_id = b.id AND -- JOIN ON clause a.documents_taken_at::date < b.certificate_issued_at -- Subquery WHERE As you can see, original subquery JOIN's ON clause have become one of WHERE conditions, which is ...
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Semantic Issue: Property's synthesized getter follows Cocoa naming convention for returning 'owned'

...5 SDK trying to develop my app. I'm trying to make an NSString a property, and then to synthesize it in the .m file (I have done this before with no issues). Now, I came across this: "Semantic Issue: Property's synthesized getter follows Cocoa naming convention for returning 'owned' objects." ...
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Libraries do not get added to APK anymore after upgrade to ADT 22

I have a rather big Android App project that is referencing several library projects. Everything was fine until i upgraded the eclipse ADT plugin to the newest version (v22). I also upgraded the SDK of course. I do not see any compile errors in eclipse, but when i run the project on the phone i get ...
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Laravel Controller Subfolder routing

I'm new to Laravel. To try and keep my app organized I would like to put my controllers into subfolders of the controller folder. ...
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How dangerous is it to access an array out of bounds?

...? It can sometimes happen that I read from outside the array (I now understand I then access memory used by some other parts of my program or even beyond that) or I am trying to set a value to an index outside of the array. The program sometimes crashes, but sometimes just runs, only giving unexpect...
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Open popup and refresh parent page on close popup

...indow does not have any close event that you can listen to. On the other hand, there is a closed property that is set to true when the window gets closed. You can set a timer to check that closed property and do it like this: var win = window.open('foo.html', 'windowName',"width=200,height=200,sc...
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How to find the operating system version using JavaScript?

How can I find the OS name and OS version using JavaScript? 13 Answers 13 ...
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What is HEAD in Git?

...ges to point to the new one. The current HEAD is local to each repository, and is therefore individual for each developer. – Greg Hewgill Feb 20 '10 at 23:04 ...
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“continue” in cursor.forEach()

I'm building an app using meteor.js and MongoDB and I have a question about cursor.forEach(). I want to check some conditions in the beginning of each forEach iteration and then skip the element if I don't have to do the operation on it so I can save some time. ...