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In Python, if I return inside a “with” block, will the file still close?
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@RikPoggi os._exit is sometimes used - it exits the Python process without calling cleanup handlers.
– Acumenus
Oct 8 '16 at 6:25
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Apache Spark: The number of cores vs. the number of executors
...orked example of configuring a Spark app to use as much of the cluster as
possible: Imagine a cluster with six nodes running NodeManagers, each
equipped with 16 cores and 64GB of memory. The NodeManager capacities,
yarn.nodemanager.resource.memory-mb and
yarn.nodemanager.resource.cpu-vcores, should ...
Android SharedPreference security
...able to mount your device's filesystem without using the installed Android OS, they could also bypass the permissions that restrict access.
If you're concerned about such access to your preferences (or any data written by your application), then you will want to encrypt it. If you are that concerne...
How to use the pass statement?
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Suppose you are designing a new class with some methods that you don't want to implement, yet.
class MyClass(object):
def meth_a(self):
pass
def meth_b(self):
print "I'm meth_b"
If you were to leave ou...
Node.js: how to consume SOAP XML web service
... Probably you can get 'em via package management tools for your OS. On Ubuntu for example sudo apt-get install libexpat1-dev
– Juicy Scripter
Dec 28 '11 at 18:28
1
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What is the use of join() in Python threading?
I was studying the python threading and came across join() .
10 Answers
10
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How to install latest version of git on CentOS 7.x/6.x
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You can use WANDisco's CentOS repository to install Git 2.x: for CentOS 6, for CentOS 7
Install WANDisco repo package:
yum install http://opensource.wandisco.com/centos/6/git/x86_64/wandisco-git-release-6-1.noarch.rpm
- or -
yum install http://opens...
SVN (Subversion) Problem “File is scheduled for addition, but is missing” - Using Versions
...file via
svn add myfile
you only told svn to put this file into your repository when you do your next commit. There's no change to the repository before you type an
svn commit
If you delete the file before the commit, svn has it in its records (because you added it) but cannot send it to the r...
Is #pragma once part of the C++11 standard?
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@JoseAntonioDuraOlmos I agree that symbolic links are an OS feature, which is out of scope of C++ language. Hence question arises why C++ comitee should consider something that is out of scope of the language? Trying to guarant...
Make xargs execute the command once for each line of input
...ym for the -L option
from the man page:
-L max-lines
Use at most max-lines nonblank input lines per command line.
Trailing blanks cause an input line to be logically continued on
the next input line. Implies -x.
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