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How to crop an image using PIL?

I want to crop image in the way by removing first 30 rows and last 30 rows from the given image. I have searched but did not get the exact solution. Does somebody have some suggestions? ...
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Using jQuery to see if a div has a child with a certain class

I have a div #popup that is dynamically filled with several paragraphs with the class .filled-text . I'm trying to get jQuery to tell me if #popup has one of these paragraphs in it. ...
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How do I set the version information for an existing .exe, .dll?

As part of our build process I need to set the version information for all of our compiled binaries. Some of the binaries already have version information (added at compile time) and some do not. ...
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Convert string with commas to array

How can I convert a string to a JavaScript array? 18 Answers 18 ...
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PHP function to make slug (URL string)

I want to have a function to create slugs from Unicode strings, e.g. gen_slug('Andrés Cortez') should return andres-cortez . How should I do that? ...
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Analyze audio using Fast Fourier Transform

I am trying to create a graphical spectrum analyzer in python. 4 Answers 4 ...
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How to find out which fonts are referenced and which are embedded in a PDF document

We have a little problem with fonts in PDF documents. In order to put the finger on the problem I'd like to inspect, which fonts are actually embedded in the pdf document and which are only referenced. Is there an easy (and cheap as in free) way to do that? ...
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Code Golf: Lasers

The shortest code by character count to input a 2D representation of a board, and output 'true' or 'false' according to the input . ...
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What is q=0.5 in Accept* HTTP headers?

What do these 'q=%f' mean? 3 Answers 3 ...
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Remove trailing zeros

I have some fields returned by a collection as 18 Answers 18 ...