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Check that Field Exists with MongoDB
So I'm attempting to find all records who have a field set and isn't null.
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Fit background image to div
I have a background image in the following div, but the image gets cut off:
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Git SVN error: a Git process crashed in the repository earlier
I was just trying to commit changes to the Git master. From what I have read, it seems that the idea is to delete the lock file. The message says:
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How to work with complex numbers in C?
How can I work with complex numbers in C? I see there is a complex.h header file, but it doesn't give me much information about how to use it. How to access real and imaginary parts in an efficient way? Is there native functions to get module and phase?
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How can I make a JUnit Test wait?
I have a JUnit test that I want to have wait for a period of time, synchronously. My JUnit test looks like this:
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Google access token expiration time
When I obtain an access_token from the Google API, it comes with an expires_in value. According to the documentation, this value indicates "The remaining lifetime of the access token".
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How to find a table having a specific column in postgresql
I'm using PostgreSQL 9.1. I have the column name of a table. Is it possible to find the table(s) that has/have this column? If so, how?
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Jquery to change form action
I have two buttons in a form and two different pages have to be called when they are clicked. when button1 is clicked then page1 must be loaded and when button2 is clicked then page2 must be loaded. i know how to do this in javascript but i have no clue about how to do this in jquery.Can any one he...