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How can I convert an RGB image into grayscale in Python?

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Where is Java Installed on Mac OS X?

I just downloaded Java 7u17 on Mac OS 10.7.5 from here and then successfully installed it. In order to do some JNI programming, I need to know where Java installed on my Mac. ...
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How to prevent gcc optimizing some statements in C?

... | edited May 19 '16 at 17:20 answered Feb 8 '10 at 5:53 ...
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What is the fastest way to send 100,000 HTTP requests in Python?

I am opening a file which has 100,000 URL's. I need to send an HTTP request to each URL and print the status code. I am using Python 2.6, and so far looked at the many confusing ways Python implements threading/concurrency. I have even looked at the python concurrence library, but cannot figure ...
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How to collapse all methods in Xcode?

... | edited Oct 12 '15 at 11:37 answered Feb 15 '11 at 14:24 ...
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Reload the path in PowerShell

... 215 Just to bring Rob's comment to light: $env:Path = [System.Environment]::GetEnvironmentVariable...
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How do I dump the data of some SQLite3 tables?

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How can I parse a time string containing milliseconds in it with python?

... But if you're using 2.6 or 3.0, you can do this: time.strptime('30/03/09 16:31:32.123', '%d/%m/%y %H:%M:%S.%f') Edit: I never really work with the time module, so I didn't notice this at first, but it appears that time.struct_time doesn't actually store milliseconds/microseconds. You may be bet...
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Xcode 5 & Asset Catalog: How to reference the LaunchImage?

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With ng-bind-html-unsafe removed, how do I inject HTML?

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