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Checking if sys.argv[x] is defined

... David WoleverDavid Wolever 123k7676 gold badges297297 silver badges462462 bronze badges ...
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In Django, how do I check if a user is in a certain group?

... 123 You can access the groups simply through the groups attribute on User. from django.contrib.au...
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App Inventor 2 数学代码块 · App Inventor 2 中文网

... 隐私策略和使用条款 技术支持 service@fun123.cn
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How to add and get Header values in WebApi

...oducts/10', type: 'GET', headers: { 'username': 'test','password':'123' }, success: function (data) { alert(data); }, failure: function (result) { alert('Error: ' + result); } }); Hope this helps someone ... ...
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How to COUNT rows within EntityFramework without loading contents?

... Craig StuntzCraig Stuntz 123k1212 gold badges244244 silver badges266266 bronze badges ...
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Convert xlsx to csv in Linux with command line

... Using exporter Gnumeric_stf:stf_csv $ cat newfile.csv Foo,Bar,Baz 1,2,3 123.6,7.89, 2012/05/14,, The,last,Line To install on Ubuntu: apt-get install gnumeric To install on Mac: brew install gnumeric share ...
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Not receiving Google OAuth refresh token

...oogle has not addressed this in their documentation or at least not in the php or oath2 documentation that i've been staring at for 7 hours. Why in the world is this not in big bold text in their docs – Colin Rickels Nov 15 '17 at 17:15 ...
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Printing the last column of a line in a file

... Using Perl $ cat rayne.txt A1 123 456 B1 234 567 C1 345 678 A1 098 766 B1 987 6545 C1 876 5434 $ perl -lane ' /A1/ and $x=$F[2] ; END { print "$x" } ' rayne.txt 766 $ share ...
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Serialize an object to XML

... 123 I modified mine to return a string rather than use a ref variable like below. public static s...
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Why shouldn't I use “Hungarian Notation”?

... but that would incur a huge overhead for dynamic languages (Python, Ruby, PHP or Javascript). – too much php Dec 29 '08 at 3:45 22 ...