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How to calculate time elapsed in bash script?

I print the start and end time using date +"%T" , which results in something like: 20 Answers ...
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Differences and relationship between glActiveTexture and glBindTexture

... Tom Pohl 1,74322 gold badges1818 silver badges2727 bronze badges answered Jan 16 '12 at 23:38 Nicol BolasNicol Bol...
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How to check an Android device is HDPI screen or MDPI screen?

... Rajat Soni 16322 silver badges66 bronze badges answered Mar 17 '19 at 7:05 Muhammad Umair MoosaniMuhammad Umair Mo...
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Copy a stream to avoid “stream has already been operated upon or closed”

I'd like to duplicate a Java 8 stream so that I can deal with it twice. I can collect as a list and get new streams from that; ...
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Define css class in django Forms

...lForm class? – xster May 3 '11 at 2:32 2 No, you would just need to explicitly define the form fi...
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Best way to convert text files between character sets?

...ould be really great, except that it doesn't support UTF16. It supports UTF32, but not UTF16! I wouldn't need to convert files, except that a lot of Microsoft software (f.e. SQL server bcp) insists on UTF16 - and then their utility won't convert to it. Interesting to say the least. ...
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How can I color Python logging output?

...out_handle(self): import ctypes return ctypes.windll.kernel32.GetStdHandle(self.STD_OUTPUT_HANDLE) out_handle = property(_out_handle) def _set_color(self, code): import ctypes # Constants from the Windows API self.STD_OUTPUT_HANDLE = -11 hdl =...
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How do I catch a numpy warning like it's an exception (not just for testing)?

...o be raise. – detly May 14 '14 at 2:32  |  show 2 more comments ...
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Unable to execute dex: GC overhead limit exceeded in Eclipse

... Ripon Al Wasim 32.8k3535 gold badges139139 silver badges160160 bronze badges answered Jun 19 '12 at 1:23 user1457659...
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How enumerate all classes with custom class attribute?

Question based on MSDN example . 7 Answers 7 ...