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How do I write a “tab” in Python?
... spaces on pressing tab. " " is a tab " " is a space. You may not see the difference here, but open up Word/Libre and you will see the difference.
– Sativa
Apr 18 '18 at 10:38
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Redis is single-threaded, then how does it do concurrent I/O?
...server-side software, concurrency and parallelism are often considered as different concepts. In a server, supporting concurrent I/Os means the server is able to serve several clients by executing several flows corresponding to those clients with only one computation unit. In this context, paralleli...
How do I see the current encoding of a file in Sublime Text?
... panel also allows you to conveniently change it or re-open the file in a different encoding.
– Immo Landwerth
Dec 22 '13 at 23:45
4
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Conversion of System.Array to List
...same dream, someone from SO told me otherwise. Hence I would like to know if it it possible to convert System.Array to List
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Gradle proxy configuration
I need web access from Gradle through a proxy server to use the Gradle/Artifactory integration for Jenkins. To reduce possible causes for issues, I manually add the Artifactory plugin in build.gradle and run it from command line:
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Unable to forward search Bash history similarly as with CTRL-r
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In case anyone else has the same issue I did - if you add this to .profile it doesn't take effect. It's only when you add it to the .bash_profile that the magic happens! Thanks for a great tip - this had been driving me mad for years.
– John Gallaghe...
How do I fire an event when a iframe has finished loading in jQuery?
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Yes it works in Chrome but not in IE. If the application is on the web, it has to work in IE also.
– Robert Smith
Dec 10 '19 at 15:43
add ...
Error :Request header field Content-Type is not allowed by Access-Control-Allow-Headers
... are requiring an extra header. Try prepending the following to your file if you are using PHP:
header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept");
Make sure that you haven't already used header in another file, or you...
Minimal web server using netcat
... -cmakes netcat execute the given command in a shell, so you can use echo. If you don't need echo, use -e. For further information on this, try man nc. Note, that when using echo there is no way for your program (the date-replacement) to get the browser request. So you probably finally want to do so...
How to count the number of true elements in a NumPy bool array
...type=bool)
>>> np.sum(boolarr)
5
Of course, that is a bool-specific answer. More generally, you can use numpy.count_nonzero.
>>> np.count_nonzero(boolarr)
5
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