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How can I select item with class within a DIV?

... Try: $('#mydiv').find('.myclass'); JS Fiddle demo. Or: $('.myclass','#mydiv'); JS Fiddle demo. Or: $('#mydiv .myclass'); JS Fiddle demo. References: find(). Selector context. Good to learn from the find() documentation: The .find() and .children...
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What is the best way to add options to a select from a JavaScript object with jQuery?

...gn $("#mySelect") to a var, otherwise calling $("#mySelect") every time inside the loop is very wasteful, as is updating the DOM. See points #3 and #6 at artzstudio.com/2009/04/jquery-performance-rules/… – Patrick Oct 12 '14 at 7:03 ...
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How to make Java honor the DNS Caching Timeout?

...portant because, for example, if you called Security.setProperty in a .war file and deployed that .war to Tomcat, this wouldn't work: Tomcat uses the Java networking stack to initialize itself much earlier than your .war's code is executed. Because of this 'race condition', it is usually more conve...
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How to obtain the number of CPUs/cores in Linux from the command line?

...e specific _NPROCESSORS_ONLN and _NPROCESSORS_CONF values are not. That said, as stated, they work on Linux platforms as well as on macOS; on FreeBSD/PC-BSD, you must omit the leading _. share | im...
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Why did my Git repo enter a detached HEAD state?

... In this visual guide, there's this explanation: git commit files creates a new commit containing the contents of the latest commit, plus a snapshot of files taken from the working directory. Additionally, files are copied to the stage. What does it mean by "files are copied to the st...
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How to remove an element slowly with jQuery?

... $target.hide('slow'); or $target.hide('slow', function(){ $target.remove(); }); to run the animation, then remove it from DOM share | ...
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How to add MVC5 to Visual Studio 2013?

... Go File -> New Project. Select Web under Visual C#. Select ASP.NET Web Application Click OK. Select MVC. Click OK. share | ...
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Error: This Android SDK requires Android Developer Toolkit version 22.6.1 or above

...ame location where your already existing old sdk is. Must replace conflict files and keep rest. No need to delete old sdk. Copying as in step 2 will update your Android Developer Toolkit version to 22.6.1 or above which is required and will keep already downloaded APIs. Now start your eclipse, and ...
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How can I tell where mongoDB is storing data? (its not in the default /data/db!)

... Check /usr/local/etc/mongod.conf(config file) and /usr/local/var/mongodb (database location) as well. On some systems, these will be the defaults. – Miles Erickson Aug 5 '16 at 2:43 ...
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Ruby 2.0.0p0 IRB warning: “DL is deprecated, please use Fiddle”

...ee revisions/37910 ). On Windows the lib/ruby/site_ruby/2.0.0/readline.rb file still requires dl.rb so the warning message comes out when you require 'irb' ( because irb requires 'readline' ) or when anything else wants to require 'readline'. You can open readline.rb with your favorite text editor...