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What does numpy.random.seed(0) do?

What does np.random.seed do in the below code from a Scikit-Learn tutorial? I'm not very familiar with NumPy's random state generator stuff, so I'd really appreciate a layman's terms explanation of this. ...
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Are there any downsides to passing structs by value in C, rather than passing a pointer?

...ot of C programming is for embedded systems, where memory is at a premium, and stack sizes may be measured in KB or even Bytes... If you're passing or returning structs by value, copies of those structs will get placed on the stack, potentially causing the situation that this site is named after... ...
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How do I convert CamelCase into human-readable names in Java?

...e(test) + "]"); } It uses zero-length matching regex with lookbehind and lookforward to find where to insert spaces. Basically there are 3 patterns, and I use String.format to put them together to make it more readable. The three patterns are: UC behind me, UC followed by LC in front of me ...
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What is mutex and semaphore in Java ? What is the main difference?

What is mutex and semaphore in Java ? What is the main difference ? 11 Answers 11 ...
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How do you take a git diff file, and apply it to a local branch that is a copy of the same repositor

I have a .diff file created by a coworker, and would like to apply the changes listed in that diff file to my local branch of the exact same repository. I do not have access to that worker's pc or branch that was used to generate this diff file. ...
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Align contents inside a div

... text-align aligns text and other inline content. It doesn't align block element children. To do that, you want to give the element you want aligned a width, with ‘auto’ left and right margins. This is the standards-compliant way that works eve...
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Disadvantages of Test Driven Development? [closed]

... Several downsides (and I'm not claiming there are no benefits - especially when writing the foundation of a project - it'd save a lot of time at the end): Big time investment. For the simple case you lose about 20% of the actual implementatio...
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How do shift operators work in Java? [duplicate]

I am trying to understand the shift operators and couldn't get much. When I tried to execute the below code 9 Answers ...
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UIView's frame, bounds, center, origin, when to use what?

UIView has the properties frame , bounds , center , and origin , and they all seem to be interrelated. Most of the time, I deal with frame when setting the position and size of a UIView . I understand that frame is using global coordinate system and bounds is using coordinate of the lo...
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How to replace spaces in file names using a bash script

...end a safe solution to recursively replace spaces with underscores in file and directory names starting from a given root directory? For example: ...