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Regex for password must contain at least eight characters, at least one number and both lower and up

...avor, \W matches only ASCII characters. So you haven't changed that, and now you have to filter out whitespace characters. Furthermore, all the parentheses and {1,} quantifiers you added are pure noise, and removing the non-greedy (?) operators was pointless. There is no improvement here. ...
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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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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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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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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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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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What does “abstract over” mean?

... (implicit ff: Foldable[F], m: Monoid[B]) = ff.foldMap(as, f) Now we have something quite general. The method mapReduce will fold any F[A] given that we can prove that F is foldable and that A is a monoid or can be mapped into one. For example: case class Sum(value: Int) case class Pro...
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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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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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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...