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LISTAGG in Oracle to return distinct values

...t useful: with test_data as ( select 'A' as col1, 'T_a1' as col2, '123' as col3 from dual union select 'A', 'T_a1', '456' from dual union select 'A', 'T_a1', '789' from dual union select 'A', 'T_a2', '123' from dual union select 'A', 'T_a2', '456' from dual union select 'A', 'T_a2', '111' fr...
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Find rows that have the same value on a column in MySQL

...* FROM member WHERE email = (Select email From member Where login_id = john123@hotmail.com) This will return all records that have john123@hotmail.com as a login_id value. share | improve this an...
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How do I test an AngularJS service with Jasmine?

...{ id: 1, title: "Commando", name: "Kitty MeowMeow", score: 123 }, { id: 2, title: "Raw Deal", name: "Basketpaws", score: 17 }, { id: 3, title: "Predator", name: "Noseboops", score: 184 }]; }); catsApp.factory('LoggingService', ['$log', function(...
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How to remove all characters after a specific character in python?

..., if you want remove every thing from the character, do this: mystring = "123⋯567" mystring[ 0 : mystring.index("⋯")] >> '123' If you want to keep the character, add 1 to the character position. share ...
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How does tuple comparison work in Python?

... the same thing goes for integers too. x = (1,2,2) # see it the string "123" y = (1,2,3) x > y # False because (1 is not greater than 1, move to the next, 2 is not greater than 2, move to the next 2 is less than three -lexicographically -) The key point is mentioned in the answer ab...
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Install a Windows service using a Windows command prompt?

... If the directory's name has a space like c:\program files\abc 123, then you must use double quotes around the path. installutil.exe "c:\program files\abc 123\myservice.exe" It makes things much easier if you set up a bat file like following, e.g. To install a service, create a "my...
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Press alt + numeric in bash and you get (arg [numeric]) what is that?

... + numeric and then you press a character, you'll get num caracters: (arg: 123) + a -> 123 times "a" share | improve this answer | follow | ...
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Find and extract a number from a string

... go through the string and use Char.IsDigit string a = "str123"; string b = string.Empty; int val; for (int i=0; i< a.Length; i++) { if (Char.IsDigit(a[i])) b += a[i]; } if (b.Length>0) val = int.Parse(b); ...
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Configuring so that pip install can work from github

...com/myuser/foo.git or $ pip install git+https://github.com/myuser/foo.git@v123 or $ pip install git+https://github.com/myuser/foo.git@newbranch More info at https://pip.pypa.io/en/stable/reference/pip_install/#vcs-support s...
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Double vs single quotes

...ring: This regex pattern will work because passed within single-quotes: "123 ABC".match('\d') => #<MatchData "1"> This regex pattern will fail because passed within double-quotes (you would have to double-escape it to get it to work): "123 ABC".match("\d") => nil ...