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How to check if a service is running on Android?
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Regular Expression to get a string between parentheses in Javascript
...match an opening parentheses
( : begin capturing group
[^)]+: match one or more non ) characters
) : end capturing group
\) : match closing parentheses
Here is a visual explanation on RegExplained
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When should null values of Boolean be used?
...ime you can. This will avoid many NullPointerExceptions and make your code more robust.
Boolean is useful, for example
to store booleans in a collection (List, Map, etc.)
to represent a nullable boolean (coming from a nullable boolean column in a database, for example). The null value might mean ...
XSD - how to allow elements in any order any number of times?
...idn't work. Try adding maxOccurs="unbounded" on the choice element so that more than one child element is permitted.
– MikeD
Jan 12 '15 at 15:01
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Explicitly calling return in a function or not
...ith that last value as an argument will do the same job but needs one call more. So that this (often) unnecessary .Primitive('return') call can draw additional resources.
Simple measurement however shows that the resulting difference is very small and thus can not be the reason for not using expli...
How do I write a correct micro-benchmark in Java?
... is available.
Rule 8: Use a library for your benchmark as it is probably more efficient and was already debugged for this sole purpose. Such as JMH, Caliper or Bill and Paul's Excellent UCSD Benchmarks for Java.
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Sprintf equivalent in Java
...original Java authors (and .NET authors) decided that a static method made more sense in this situation, as you are not modifying the target, but instead calling a format method and passing in an input string.
Here is an example of why format() would be dumb as an instance method. In .NET (and prob...
Is there a way that I can check if a data attribute exists?
... conditional: if ( $("#dataTable").is("[data-timer]") ) { ... }. It's also more useful if you already have a reference to the table in another jQuery object.
– Noyo
Dec 10 '13 at 11:01
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What are the differences between numpy arrays and matrices? Which one should I use?
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As per the official documents, it's not anymore advisable to use matrix class since it will be removed in the future.
https://numpy.org/doc/stable/reference/generated/numpy.matrix.html
As other answers already state that you can achieve all the operations with NumPy...
Hamcrest compare collections
...s for matching all the elements taking in count the order, if the list has more or less elements, it will fail
containsInAnyOrder Checks for matching all the elements and it doesn't matter the order, if the list has more or less elements, will fail
hasItems Checks just for the specified objects it...