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How do you use a variable in a regular expression?

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Designer Added then removed by Visual Studio on load/unload

... you have open in the saved solution state. I ran into this problem in VS2010 and found that if I close the solution while an .xml file was open in the editor, then on the subsequent re-open of the solution, the project containing that .xml file would get this <SubType>Designer</SubType&gt...
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Checking for an empty field with MySQL

... | edited Feb 24 '10 at 15:30 answered Feb 24 '10 at 15:20 ...
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How do I programmatically change file permissions?

... answered Mar 19 '09 at 23:24 ericksonerickson 243k5050 gold badges360360 silver badges457457 bronze badges ...
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Create numpy matrix filled with NaNs

...s posted by Blaenk: $ python -mtimeit "import numpy as np; a = np.empty((100,100));" "a.fill(np.nan)" 10000 loops, best of 3: 54.3 usec per loop $ python -mtimeit "import numpy as np; a = np.empty((100,100));" "a[:] = np.nan" 10000 loops, best of 3: 88.8 usec per loop The timings show a preferen...
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Visual Studio 2010 always thinks project is out of date, but nothing has changed

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Set cache-control for entire S3 bucket automatically (using bucket policies?)

...n the "Key" field, select "Cache-Control" from the drop down menu max-age=604800Enter (7 days) for Value Press "Save" button (thanks to @biplob - please give him some love below) AWS Command Line Solution Originally, when I created this bucket policies were a no go, so I figured how to do it using...
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How to check if a specific key is present in a hash or not?

... answered Dec 24 '10 at 22:09 sepp2ksepp2k 331k4747 gold badges635635 silver badges653653 bronze badges ...
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Show the progress of a Python multiprocessing pool imap_unordered call?

...p_unordered(do_work, xrange(num_tasks)), 1): sys.stderr.write('\rdone {0:%}'.format(i/num_tasks)) share | improve this answer | follow | ...
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How to flatten an ExpandoObject returned via JsonResult in asp.net mvc?

...expando = new ExpandoObject(); expando.name = "John Smith"; expando.age = 30; var json = JsonConvert.SerializeObject(expando); Will output: {"name":"John Smith","age":30} In the context of an ASP.NET MVC Controller, the result can be returned using the Content-method: public class JsonContro...