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How to tell if browser/tab is active [duplicate]
...tched to another tab. It serves no purpose if the user isn't looking at it and is potentially CPU-intensive, so I don't want to just waste cycles in the background.
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Determining Referer in PHP
What is the most reliable and secure way to determine what page either sent, or called (via AJAX), the current page. I don't want to use the $_SERVER['HTTP_REFERER'] , because of the (lack of) reliability, and I need the page being called to only come from requests originating on my site.
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How to determine equality for two JavaScript objects?
...ortant to determine whether any two instances of MyClass are equal, only a and b are important. In some cases c might vary between instances and yet not be significant during comparison.
Note this issue applies when members may themselves also be instances of a type and these each would all be req...
Font Awesome not working, icons showing as squares
So I'm trying to prototype a marketing page and I'm using Bootstrap and the new Font Awesome file. The problem is that when I try to use an icon, all that gets rendered on the page is a big square.
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Android Spinner: Get the selected item change event
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Some of the previous answers are not correct. They work for other widgets and views, but the documentation for the Spinner widget clearly states:
A spinner does not support item click
events. Calling this method will raise
an exception.
Better use OnItemSelectedListener() instead:
spinn...
Cast List to List in .NET 2.0
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I found that it works with VS2008 and .NET 2.0, as long as you have at least .NET 3.0 installed. see stackoverflow.com/questions/3341846/…
– igelineau
Oct 15 '14 at 14:26
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How to make an introduction page with Doxygen
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Have a look at the mainpage command.
Also, have a look this answer to another thread: How to include custom files in Doxygen. It states that there are three extensions which doxygen classes as additional documentation files: .dox, .txt and .doc. Files with...
Why can't I center with margin: 0 auto?
I have a #header div that is 100% width and within that div I have an unordered list. I have applied margin: 0 auto to the unordered list but it won't center it within the header div.
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sqlalchemy flush() and get inserted id?
...re populated immediately within the flush() process as they are generated, and no call to commit() should be required. So the answer here lies in one or more of the following:
The details of your mapping
If there are any odd quirks of the backend in use (such as, SQLite doesn't generate integer v...
MongoDB mongorestore failure: locale::facet::_S_create_c_locale name not valid
...er A (ubuntu 12.04 server). I moved it to computer B (ubuntu 12.04 server) and typed:
6 Answers
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