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How to update a menu item shown in the ActionBar?

I have an Activity that has 2 fragments. Both are ListFragments and both contribute MenuItems to the Menu. I have one MenuItem that I've set the attribute android:showAsAction to have it show as a button on the ActionBar. Which works fine. ...
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Check if object is a jQuery object

...emented as a constructor function. Constructor functions are to be called with the new prefix. When you call $(foo), internally jQuery translates this to new jQuery(foo)1. JavaScript proceeds to initialize this inside the constructor function to point to a new instance of jQuery, setting it's prope...
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How to calculate the time interval between two time strings

... through documentation for Python and searching online and I would imagine it would have something to do with the datetime and/or time modules. I can't get it to work properly and keep finding only how to do this when a date is involved. ...
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How to automatically reload a page after a given period of inactivity

How can I automatically reload a webpage, if there have been no activity on the page for a given period of time? 14 Answers...
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How do I test a private function or a class that has private methods, fields or inner classes?

How do I unit test (using xUnit) a class that has internal private methods, fields or nested classes? Or a function that is made private by having internal linkage ( static in C/C++) or is in a private ( anonymous ) namespace? ...
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What is the difference between 'my' and 'our' in Perl?

I know what my is in Perl. It defines a variable that exists only in the scope of the block in which it is defined. What does our do? ...
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PHP filesize MB/KB conversion [duplicate]

... can I convert the output of PHP's filesize() function to a nice format with MegaBytes, KiloBytes etc? 12 Answers ...
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Android add placeholder text to EditText

How can I add a placeholder text to EditText in the class that isn't in the XML? 8 Answers ...
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Five equal columns in twitter bootstrap

... Use five divs with a class of span2 and give the first a class of offset1. <div class="row-fluid"> <div class="span2 offset1"></div> <div class="span2"></div> <div class="span2"></div> ...
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Passing arrays as url parameter

... There is a very simple solution: http_build_query(). It takes your query parameters as an associative array: $data = array( 1, 4, 'a' => 'b', 'c' => 'd' ); $query = http_build_query(array('aParam' => $data)); will return string(63) "aParam%5B0%5D=1&...