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How to write :hover condition for a:before and a:after?

... This depends on what you're actually trying to do. If you simply wish to apply styles to a :before pseudo-element when the a element matches a pseudo-class, you need to write a:hover:before or a:visited:before instead. Notice the pseudo-element comes after ...
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How do I install Maven with Yum?

...b/apache/maven/maven-3/3.0.5/binaries/apache-maven-3.0.5-bin.tar.gz basically just go to the maven site. Find the version of maven you want. The file type and use the mirror for the wget statement above. Afterwards the process is easy Run the wget command from the dir you want to extract maven ...
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Difference between filter and filter_by in SQLAlchemy

... filter on users.id. Instead, it will evaluate id == id as True and return all users. You need to use .filter(users.id == id) (as demoed above). I made this mistake earlier today. – Nico Cernek Feb 22 '19 at 23:00 ...
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AngularJS Multiple ng-app within a page

... So basically as mentioned by Cherniv we need to bootstrap the modules to have multiple ng-app within the same page. Many thanks for all the inputs. var shoppingCartModule = angular.module("shoppingCart", []) shoppingCartModule...
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Automatically add all files in a folder to a target using CMake?

... An alternative to manually re-running cmake is to touch the CMakeLists.txt file before running make. – Seamus Connor Oct 1 '15 at 16:38 ...
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How do I get jQuery to select elements with a . (period) in their ID?

... For that reason, in CSS itself, you must escape a dot in an ID, too. All jQuery is doing is requiring you to follow the rules set out by CSS. – bdukes Apr 6 '09 at 14:11 6 ...
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Change Oracle port from port 8080

... Production on Tue Aug 26 10:40:44 2008 Copyright (c) 1982, 2005, Oracle. All rights reserved. SQL> connect Enter user-name: system Enter password: <enter password if will not be visible> Connected. SQL> Exec DBMS_XDB.SETHTTPPORT(3010); [Assuming you want to have HTTP going to this po...
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Is it possible to have multiple statements in a python lambda expression?

...Q. Can you put multiple statements in a lambda? A. No. But you don't actually need to use a lambda. You can put the statements in a def instead. i.e.: def second_lowest(l): l.sort() return l[1] map(second_lowest, lst) Q. Can you get the second lowest item from a lambda by sorting the ...
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Postgresql GROUP_CONCAT equivalent?

...dited Sep 14 '17 at 20:37 Ariel Allon 71211 gold badge99 silver badges1515 bronze badges answered Apr 1 '10 at 14:55 ...
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Understanding NSRunLoop

... run loop directly, though there are some (networking) components that may allow you to specify which run loop they will use for I/O processing. A run loop for a given thread will wait until one or more of its input sources has some data or event, then fire the appropriate input handler(s) to proce...