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Removing duplicates from a list of lists
...gt;> k = [[1, 2], [4], [5, 6, 2], [1, 2], [3], [4]]
>>> import itertools
>>> k.sort()
>>> list(k for k,_ in itertools.groupby(k))
[[1, 2], [3], [4], [5, 6, 2]]
itertools often offers the fastest and most powerful solutions to this kind of problems, and is well worth g...
Do you need text/javascript specified in your tags?
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See Crockford's write-up on the <script> tag, most notably:
Do not use the <!-- //--> hack with scripts. It was intended to prevent scripts from showing up as text on the first generation browsers Netscape 1 and Mosaic. It has ...
PHP expects T_PAAMAYIM_NEKUDOTAYIM?
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It’s the double colon operator :: (see list of parser tokens).
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How to print out a variable in makefile
...file, I have a variable 'NDK_PROJECT_PATH', my question is how can I print it out when it compiles?
15 Answers
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What does “xmlns” in XML mean?
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It defines an XML Namespace.
In your example, the Namespace Prefix is "android" and the Namespace URI is "http://schemas.android.com/apk/res/android"
In the document, you see elements like: <android:foo />
Think of...
Easy way to prevent Heroku idling?
... free apps the dynos seem to keep idling - my app has very low traffic but it's also not really acceptable in my case that my users have to wait 20+ seconds to spin up a new dyno.
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Amazon S3 - HTTPS/SSL - Is it possible? [closed]
I saw a few other questions regarding this without any real answers or information (or so it appeared).
4 Answers
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Adding a Method to an Existing Object Instance
I've read that it is possible to add a method to an existing object (i.e., not in the class definition) in Python.
16 Answ...
Switch statement: must default be the last case?
Consider the following switch statement:
10 Answers
10
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Named Branches vs Multiple Repositories
...rrently using subversion on a relatively large codebase. Each release gets its own branch, and fixes are performed against the trunk and migrated into release branches using svnmerge.py
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