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How to hide a in a menu with CSS?

...: none. FF won't do it (technically invalid HTML, per the spec) but Chrome and IE will and it will hide the option. EDIT: Oh yeah, I already implemented this in jQuery: jQuery.fn.toggleOption = function( show ) { jQuery( this ).toggle( show ); if( show ) { if( jQuery( this ).parent...
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Why java.util.Optional is not Serializable, how to serialize the object with such fields

...The short answer is that the Java Lambda (JSR-335) expert group considered and rejected it. That note, and this one and this one indicate that the primary design goal for Optional is to be used as the return value of functions when a return value might be absent. The intent is that the caller immedi...
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Regex match everything after question mark?

I have a feed in Yahoo Pipes and want to match everything after a question mark. 6 Answers ...
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How can I embed a YouTube video on GitHub wiki pages?

...o markup (though it's extremely easy to pickup). I am working on a package and am trying to get the wiki pages looking nice as a help manual. I can insert a YouTube video link into the wiki page pretty easily but how do I embed a YouTube video. I know this may not be possible. ...
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How do I disable orientation change on Android?

...lication that I just would like to use in portrait mode, so I have defined android:screenOrientation="portrait" in the manifest XML. This works OK for the HTC Magic phone (and prevents orientation changes on other phones as well). ...
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Converting from longitude\latitude to Cartesian coordinates

I have some earth-centered coordinate points given as latitude and longitude ( WGS-84 ). 9 Answers ...
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I just discovered why all ASP.Net websites are slow, and I am trying to work out what to do about it

...ASP.Net web application gets a Session lock at the beginning of a request, and then releases it at the end of the request! ...
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Really Cheap Command-Line Option Parsing in Ruby

...he bottom of this post before replying. People keep posting their new gems and libraries and whatnot, which clearly don't meet the requirements. ...
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Insert all values of a table into another table in SQL

...NTO syntax is for when you want to create the new table as part of the command. You didn't specify whether the new table needs to be created as part of the command, so INSERT INTO ... SELECT FROM should be fine if your destination table already exists. ...
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MySQL Database won't start in XAMPP Manager-osx

I downloaded XAMPP about a month ago and it was working just fine. Today I installed a voice recognition software and then restarted my computer. Ever since, MySQL won't start in my manager-osx application. It doesn't throw me an in the application log. This is what it says: ...