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Extending the User model with custom fields in Django
...h Django's authentication app) with custom fields? I would also possibly like to use the email as the username (for authentication purposes).
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Efficient evaluation of a function at every cell of a NumPy array
...e x * 5 + 8
f = np.vectorize(f) # or use a different name if you want to keep the original f
result_array = f(A) # if A is your Numpy array
It's probably better to specify an explicit output type directly when vectorizing:
f = np.vectorize(f, otypes=[np.float])
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Determine the process pid listening on a certain port
...m has the same name but different PID and the port number. I would like to match the PID of the server which is listening on certain port, and then I would like to kill this process. I need that in order to complete my bash script.
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How do I escape ampersands in batch files?
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From a cmd:
& is escaped like this: ^& (based on @Wael Dalloul's answer)
% does not need to be escaped
An example:
start http://www.google.com/search?client=opera^&rls=en^&q=escape+ampersand%20and%20percentage+in+cmd^&sourceid=opera^...
Making TextView scrollable on Android
...a textview that appears to be too long to fit
into one screen. I need to make my TextView scrollable. How can I do
that?
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What is the Windows version of cron? [closed]
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For the original question, asking about Windows XP (and Windows 7): Windows Task Scheduler
For command-line usage, you can schedule with the AT command.
For newer Microsoft OS versions, Windows Server 2012 / Windows 8, look at the schtasks command line...
What does glLoadIdentity() do in OpenGL?
...erwhelmed with all of the random functions that I have in my code. They work and I know when to use them, but I don't know why I need them or what they actually do.
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What is the purpose of Rank2Types?
I am not really proficient in Haskell, so this might be a very easy question.
6 Answers
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Get a substring of a char* [duplicate]
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nobody
18.6k88 gold badges5151 silver badges7272 bronze badges
answered Nov 18 '10 at 11:41
GozGoz
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How to wait for all threads to finish, using ExecutorService?
I need to execute some amount of tasks 4 at a time, something like this:
26 Answers
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