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How can I check whether a numpy array is empty or not?
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You can always take a look at the .size attribute. It is defined as an integer, and is zero (0)...
Performing Breadth First Search recursively
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Getting the name of the currently executing method
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Thread.currentThread().getStackTrace() will usually contain the method you’re calling it fro...
shortcut for creating a Map from a List in groovy?
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I've recently came across the need to do exactly that: converting a list into a map. This ques...
How to Batch Rename Files in a macOS Terminal?
...f there's a chance that your filenames start with -, place -- before them[1]:
mv -- "$f" "${f/_*_/_}"
Note: echo is prepended to mv so as to perform a dry run. Remove it to perform actual renaming.
You can run it from the command line or use it in a script.
"${f/_*_/_}" is an application of bas...
setState vs replaceState in React.js
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With setState the current and previous states are merged. With replaceState, it throws out th...
How to remove part of a string before a “:” in javascript?
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