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How can I explicitly free memory in Python?
...tion here, the problem is that he has to have so many objects that he runs out of memory before processing them all, if he reads them into a list. Deleting the list before he is done processing is unlikely to be a useful solution. ;)
– Lennart Regebro
Aug 22 '0...
How do I rename an open file in Emacs?
... modified buffer and then attempted to kill it, it would happily do it without warning you about unsaved changes.
– roldugin
Jul 11 '13 at 7:19
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How do you use vim's quickfix feature?
...go to an error in the qf window, can I jump to the window with my code without exiting the qf window? Can it jump to the line that has an error? And your suggestion of using :call works, however it follows <script src> links which isn't what I want.
– hora
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Redirecting Output from within Batch file
...ns the file pointer to End-Of-File multiple times.
@echo off
command1 >output.txt
command2 >>output.txt
...
commandN >>output.txt
A better way - easier to write, and faster because the file is opened and positioned only once.
@echo off
>output.txt (
command1
command2
...
...
How do you get a query string on Flask?
...
from flask import request
@app.route('/data')
def data():
# here we want to get the value of user (i.e. ?user=some-value)
user = request.args.get('user')
share
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Function overloading by return type?
...ontext, it returns the number of elements. So for example print @a prints out the elements, while print 0+@a prints the size.) Furthermore, every operator can force a context, e.g. addition + forces scalar context. Every entry in man perlfunc documents this. For example, here is part of the entr...
Is there a Max function in SQL Server that takes two values like Math.Max in .NET?
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What about other data types e.g. would I need to write a HigherIntegerArgument and a HigherDateTimeArgument and a HigherVarcharArgument and a ...?
– onedaywhen
Jun 10 '09 at 13:27
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Why does .NET foreach loop throw NullRefException when collection is null?
...mes you have to look at the IL to see what the compiler is doing to figure out if there are any efficiency hits. User919426 had asked whether it did the check for each iteration. Though the answer might be obvious to some people, it is not obvious to everyone, and providing the hint that looking a...
How do detect Android Tablets in general. Useragent?
... string that contains Android and !mobile. Found the article by Tim Bray about this.
– ClosDesign
Mar 21 '11 at 15:00
6
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Fast check for NaN in NumPy
...or the occurrence of NaN ( np.nan ) in a NumPy array X . np.isnan(X) is out of the question, since it builds a boolean array of shape X.shape , which is potentially gigantic.
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