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ruby system command check exit code
...=> true
system("echo foo | grep bar") #=> false
Furthermore
An error status is available in $?.
system("VBoxManage createvm --invalid-option")
$? #=> #<Process::Status: pid 9926 exit 2>
$?.exitstatus #=> 2
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How to set environment variables in Python?
...EBUSSY'] = str(myintvariable)
then for retrieval, consider that to avoid errors, you should try
os.environ.get('DEBUSSY', 'Not Set')
possibly substitute '-1' for 'Not Set'
so, to put that all together
myintvariable = 1
os.environ['DEBUSSY'] = str(myintvariable)
strauss = int(os.environ.get('S...
Run Java Code Online [closed]
...s an online java compiler. It provides syntax highlighting and reports any errors back to you. It's a project I'm working on, so if you have any feedback please leave a comment!
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Selenium wait until document is ready
... I tried this idea in a VB test app. Works most of the time. I get this error sometimes: System.InvalidOperationException : JavaScript error (UnexpectedJavaScriptError) at OpenQA.Selenium.Remote.RemoteWebDriver.UnpackAndThrowOnError(Response errorResponse) Test app clicks on level 2 menu link,...
LINQ to Entities does not recognize the method
I'm getting the following error when trying to do a linq query:
4 Answers
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How can I analyze Python code to identify problematic areas?
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answered Sep 19 '08 at 8:05
freespacefreespace
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Where is Maven' settings.xml located on mac os?
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answered Oct 10 '12 at 22:05
julian0zzxjulian0zzx
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Difference between Mutable objects and Immutable objects [duplicate]
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MikeMike
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Circular (or cyclic) imports in Python
...y. He does not use from x import y, and yet still gets the circular import error
– Greg Ennis
Jun 30 '14 at 14:09
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Onclick javascript to make browser go back to previous page?
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answered Nov 29 '16 at 10:05
Malik KhalilMalik Khalil
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