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How to remove an item for a OR'd enum?
...rses or 'flips' all bits for the given data type. As such, if you use the AND operator (&) with some value (let's call that value 'X') and the complement of one or more set bits (let's call those bits Q and their complement ~Q), the statement X & ~Q clears any bits that were set in Q from X...
Why must a nonlinear activation function be used in a backpropagation neural network? [closed]
I've been reading some things on neural networks and I understand the general principle of a single layer neural network. I understand the need for aditional layers, but why are nonlinear activation functions used?
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The forked VM terminated without saying properly goodbye. VM crash or System.exit called
Please help me to solve this issue. I do not exactly understand what the error in the log means.
48 Answers
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Java equivalent to Explode and Implode(PHP) [closed]
I am new in Java although had a good experience in PHP, and looking for perfect replacement for explode and implode (available in PHP) functions in Java.
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Can I add extension methods to an existing static class?
...u can write a wrapper class (or facade) that implements the same signature and defers the actual call to the real ConfigurationManager. You can add whatever method you want to the wrapper class so it doesn't need to be an extension.
– tvanfosson
Feb 18 '10 at ...
sed or awk: delete n lines following a pattern
How would I mix patterns and numeric ranges in sed (or any similar tool - awk for example)? What I want to do is match certain lines in a file, and delete the next n lines before proceeding, and I want to do that as part of a pipeline.
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#pragma mark in Swift?
...ons of my code in the symbol navigator. Since this is a C preprocessor command, it's not available in Swift. Is there a stand-in for this in Swift, or do I have to use ugly comments?
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Generator Expressions vs. List Comprehension
When should you use generator expressions and when should you use list comprehensions in Python?
9 Answers
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Python Sets vs Lists
...cture is more efficient/speedy? Assuming that order is not important to me and I would be checking for duplicates anyway, is a Python set slower than a Python list?
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How to run functions in parallel?
I researched first and couldn't find an answer to my question. I am trying to run multiple functions in parallel in Python.
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