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Is explicitly closing files important?

...ot good practice to leave your files open. In fact, in cpython 3 you will now get warnings that the system had to close files for you if you didn't do it. Moral: Clean up after yourself. :) share | ...
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maximum value of int

... I know it's an old question but maybe someone can use this solution: int size = 0; // Fill all bits with zero (0) size = ~size; // Negate all bits, thus all bits are set to one (1) So far we have -1 as result 'till size is a ...
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Simple Digit Recognition OCR in OpenCV-Python

... letter_recognition.data file that comes with OpenCV samples. I wanted to know what is inside that file. It contains a letter, along with 16 features of that letter. And this SOF helped me to find it. These 16 features are explained in the paperLetter Recognition Using Holland-Style Adaptive Class...
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How can I return two values from a function in Python?

...... >> ret_val = test() >> print ret_val (r1, r2, r3, ....) now you can do everything you like with your tuple. share | improve this answer | follow ...
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Ruby Bundle Symbol not found: _SSLv2_client_method (LoadError)

...ng homebrew and I somehow managed to break everything. I can't do anything now, this is what I get when I try to do bundle install: ...
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Add a property to a JavaScript object using a variable as the name?

...hen we've had ES2016 and soon we'll have ES2017, they're on a yearly cycle now. – T.J. Crowder Apr 18 '17 at 16:06  |  show 3 more comments ...
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Site stopped working in asp.net System.Web.WebPages.Razor.Configuration.HostSection cannot be cast t

... and why the super-class bindings wouldn't handle for Razor. Does anyone know the answer? – Shane Oct 31 '13 at 15:02 ...
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Run an OLS regression with Pandas Data Frame

...red positional argument: 'endog', so i guess it's deprecated. also, ols is now OLS – 3pitt May 18 '18 at 18:50 ...
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Mockito. Verify method arguments

...s(Object argument) { return thisObject.equals(argument); } } Now using your code you can update it to read... Object obj = getObject(); Mockeable mock= Mockito.mock(Mockeable.class); Mockito.when(mock.mymethod(obj)).thenReturn(null); Testeable obj = new Testeable(); obj.setMockeable(...
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Find the PID of a process that uses a port on Windows

...more accurate you can be the more precise your PID result will be. If you know which host the port is supposed to be on you can narrow it down a lot. netstat -aon | findstr "0.0.0.0:9999" will only return one application and most llikely the correct one. Only searching on the port number may cause y...