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Do sealed classes really offer performance Benefits?

...are complex rules regarding calling type, virtual/nonvirtual, and I don't know them all so I can't really outline them for you, but if you google for sealed classes and virtual methods you might find some articles on the topic. Note that any kind of performance benefit you would obtain from this le...
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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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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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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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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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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...
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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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Convert a series of parent-child relationships into a hierarchical tree?

...dilemma" for outputting an array. The dilemma is, that each item does not know whether or not children will follow up or how many preceding elements need to be closed. In another answer I already solved that by using a RecursiveIteratorIterator and looking for getDepth() and other meta-information t...