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How do I remove/delete a virtualenv?
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Simply remove the virtual environment from the system.There's no special command for it
rm -rf venv
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How to redirect output with subprocess in Python?
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If you really want to use subprocess, here's the solution (mostly lifted from the documentation for subprocess):
p = subprocess.Popen(my_cmd, shell=True)
os.waitpid(p.pid, 0)
OTOH, you can avoid system calls entirely:
import shutil
with open('myfile', 'w') as outfile:
for infile in ('file...
How can I convert immutable.Map to mutable.Map in Scala?
...utable.Map varargs factory. Unlike the ++ approach, this uses the CanBuildFrom mechanism, and so has the potential to be more efficient if library code was written to take advantage of this:
val m = collection.immutable.Map(1->"one",2->"Two")
val n = collection.mutable.Map(m.toSeq: _*)
Th...
After submitting a POST form open a new window showing the result
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If you want to create and submit your form from Javascript as is in your question and you want to create popup window with custom features I propose this solution (I put comments above the lines i added):
var form = document.createElement("form");
form.setAttribute("...
#include in .h or .c / .cpp?
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@user9379 That will prevent it from being included more than once per .c or .cpp file. Each .c or .cpp file is generally build individually though, which means a .h will be re-parsed for each .c or .cpp file you compile.
– Brendan Lon...
Detecting touch screen devices with Javascript
...ouch / tap functionality. So if you have some specific styles via CSS, and from jQuery you check those elements for the mobile device style properties you could hook into them to write you mobile specific code.
See here: http://www.forabeautifulweb.com/blog/about/hardboiled_css3_media_queries/
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Print new output on same line [duplicate]
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From help(print):
Help on built-in function print in module builtins:
print(...)
print(value, ..., sep=' ', end='\n', file=sys.stdout)
Prints the values to a stream, or to sys.stdout by default.
Optional keywor...
VS2005混合编译ARM汇编代码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...is block of code
EXPORT TEST
IMPORT iGlobal
;
; Called from C as int ARMTEST1(int, int, int, int);
; The first 4 parameters are passed in r0-r3, more parameters would be passed on the stack
;
TEST proc
add r0,r0,r1 ; add all of the inputs together
add r0,r0,r2
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Passing two command parameters using a WPF binding
I have a command which I am executing from my XAML file using the following standard syntax:
5 Answers
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List comprehension on a nested list?
...s I would like to keep elements per list to be 10 and vary number of lists from 10-100,000
>>> python -m timeit "[list(map(float,k)) for k in [list(range(0,10))]*10]"
>>> 100000 loops, best of 3: 15.2 usec per loop
>>> python -m timeit "[[float(y) for y in x] for x in ...