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Does Python have an ordered set?

...s referred to from the Python 2 Documentation. This runs on Py2.6 or later and 3.0 or later without any modifications. The interface is almost exactly the same as a normal set, except that initialisation should be done with a list. OrderedSet([1, 2, 3]) This is a MutableSet, so the signature for ...
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How do I do base64 encoding on iOS?

I'd like to do base64 encoding and decoding, but I could not find any support from the iPhone SDK . How can I do base64 encoding and decoding with or without a library? ...
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Error: Cannot access file bin/Debug/… because it is being used by another process

...pops up in Visual Studio once in a while. It's bitten me a couple of times and I've lost hours restarting and fighting with VS. I'm sure it's been discussed here on SO more than once. It's also been talked about on the MSDN forums. There isn't an actual solution, but there are a couple of workaround...
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What is a “cache-friendly” code?

What is the difference between " cache unfriendly code " and the " cache friendly " code? 9 Answers ...
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Difference between staticmethod and classmethod

What is the difference between a function decorated with @staticmethod and one decorated with @classmethod ? 27 Answers ...
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How can I add new keys to a dictionary?

...y by assigning a value to that key. If the key doesn't exist, it's added and points to that value. If it exists, the current value it points to is overwritten. —R. Navega share | improve th...
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How do I undo the most recent local commits in Git?

... Undo a commit and redo $ git commit -m "Something terribly misguided" # (1) $ git reset HEAD~ # (2) << edit files as necessary >> # (3) $ git add...
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Lost connection to MySQL server at 'reading initial communication packet', system error: 0

...ests that it might be a firewall problem: I have just had this problem and found it was my firewall. I use PCTools Firewall Plus and it wasn't allowing full access to MySQL. Once I changed that it was fine. Hope that helps. Could that be it? Also, someone here suggests that it might be becaus...
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How to make a element expand or contract to its parent container?

The goal is to have the <svg> element expand to the size of its parent container, in this case a <div> , no matter how big or small that container may be. ...
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How to downgrade or install an older version of Cocoapods

...s you can install a specific version of cocoa pods via the following command: sudo gem install cocoapods -v 0.25.0 You can use older installed versions with following command: pod _0.25.0_ setup share | ...