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Convert PDF to image with high resolution

I'm trying to use the command line program convert to take a PDF into an image (JPEG or PNG). Here is one of the PDFs that I'm trying to convert. ...
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How do I prompt for Yes/No/Cancel input in a Linux shell script?

I want to pause input in a shell script, and prompt the user for choices. The standard Yes , No , or Cancel type question. How do I accomplish this in a typical bash prompt? ...
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How do I fix the indentation of an entire file in Vi?

In Vim, what is the command to correct the indentation of all the lines? 16 Answers 16...
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Make sure only a single instance of a program is running

... The following code should do the job, it is cross-platform and runs on Python 2.4-3.2. I tested it on Windows, OS X and Linux. from tendo import singleton me = singleton.SingleInstance() # will sys.exit(-1) if other instance is running The latest code version is available singleto...
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find filenames NOT ending in specific extensions on Unix?

... Or without ( and the need to escape it: find . -not -name "*.exe" -not -name "*.dll" and to also exclude the listing of directories find . -not -name "*.exe" -not -name "*.dll" -not -type d or in positive logic ;-) find . -not -nam...
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Check to see if python script is running

...my web app/ How can I quickly check (using python) if my daemon is running and, if not, launch it? 19 Answers ...
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Python recursive folder read

I have a C++/Obj-C background and I am just discovering Python (been writing it for about an hour). I am writing a script to recursively read the contents of text files in a folder structure. ...
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Why can't my program compile under Windows 7 in French? [closed]

I'm running Windows 7 French and I'm trying to compile this really basic program, but Visual Studio is being stubborn and refuses to comply. I also tried compiling it with both GCC 4.7 and Clang trunk on Coliru and I get more or less the same errors (output is below the code), though I think Colir...
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Is Mono ready for prime time? [closed]

... Mono runtime, or is it really, really compatible enough to just take of and run already written code for Microsoft's runtime? ...
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How to get line count of a large file cheaply in Python?

I need to get a line count of a large file (hundreds of thousands of lines) in python. What is the most efficient way both memory- and time-wise? ...