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What is the purpose of the single underscore “_” variable in Python?
What is the meaning of _ after for in this code?
5 Answers
5
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Error to install Nokogiri on OSX 10.9 Maverick?
...nswered Nov 6 '13 at 8:50
thomas_wittthomas_witt
2,57922 gold badges99 silver badges55 bronze badges
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importing pyspark in python shell
...
If it prints such error:
ImportError: No module named py4j.java_gateway
Please add $SPARK_HOME/python/build to PYTHONPATH:
export SPARK_HOME=/Users/pzhang/apps/spark-1.1.0-bin-hadoop2.4
export PYTHONPATH=$SPARK_HOME/python:$SPARK_HOME/python/build:$PYTHONPATH
...
How do I run a single test with Nose in Pylons
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nosetests appname.tests.functional.test_controller should work, where the file is named test_controller.py.
To run a specific test class and method use a path of the form module.path:ClassNameInFile.method_name, that is, with a colon separating the module/file pa...
What are the differences between a multidimensional array and an array of arrays in C#?
...t32 'value') cil managed
{
// Code size 7 (0x7)
.maxstack 8
IL_0000: ldarg.0
IL_0001: ldarg.1
IL_0002: ldelem.ref
IL_0003: ldarg.2
IL_0004: ldarg.3
IL_0005: stelem.i4
IL_0006: ret
} // end of method Program::SetElementAt
.method private hidebysig static void SetElem...
Perform commands over ssh with Python
...o.SSHClient()
ssh.connect(server, username=username, password=password)
ssh_stdin, ssh_stdout, ssh_stderr = ssh.exec_command(cmd_to_execute)
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Python multiprocessing pool.map for multiple arguments
... function:
import multiprocessing
from itertools import product
def merge_names(a, b):
return '{} & {}'.format(a, b)
if __name__ == '__main__':
names = ['Brown', 'Wilson', 'Bartlett', 'Rivera', 'Molloy', 'Opie']
with multiprocessing.Pool(processes=3) as pool:
results = poo...
ValidateAntiForgeryToken purpose, explanation and example
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It seems that the form __RequestVerificationToken and cookie __RequestVerificationToken are not the same, they work as a pair.
– WaiKit Kung
Apr 8 '15 at 15:54
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Can you test google analytics on a localhost address?
...r setting the tracking domain to none on google analytics looks like this:
_gaq.push(['_setDomainName', 'none']);
Google analytics will then fire off the _utm.gif tracker request on localhost. You can verify this by opening the developer tools in your favorite browser and watching the network reque...
WCF Service , how to increase the timeout?
...tamante:
Learning WCF http://ecx.images-amazon.com/images/I/51GNuqUJq%2BL._BO2,204,203,200_PIsitb-sticker-arrow-click,TopRight,35,-76_AA240_SH20_OU01_.jpg
and you also spend some time watching her 15-part "WCF Top to Bottom" screencast series - highly recommended!
For more advanced topics I recom...