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What is the point of function pointers?
... differently by passing different callback functions. A classic is qsort() from the C standard library that takes its sorting criterion as a pointer to a comparison function.
In C++, this is often done using function objects (also called functors). These are objects that overload the function call...
C# “as” cast vs classic cast [duplicate]
...ator will).
Specifically the as operator only allows for the following (from section 7.9.11 of the C# lang spec)
An identity (§6.1.1), implicit reference (§6.1.6), boxing (§6.1.7), explicit reference (§6.2.4), or unboxing (§6.2.5) conversion exists from the type of E to T.
The type of E or...
PHP Sort a multidimensional array by element containing date
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From php7 you can use the Spaceship operator:
usort($array, function($a, $b) {
return new DateTime($a['datetime']) <=> new DateTime($b['datetime']);
});
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Get number of digits with JavaScript
... of integers (including negatives) there is a brilliant optimised solution from @Mwr247, but be careful with using Math.log10, as it is not supported by many legacy browsers. So replacing Math.log10(x) with Math.log(x) * Math.LOG10E will solve the compatibility problem.
Creating fast mathematical s...
Calendar date to yyyy-MM-dd format in java
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Anyway to remove timezone completely from from this calender object?
– Sarika.S
Sep 25 '12 at 5:24
2
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How to run a single RSpec test?
...y_spec.rb -e "should be the correct answer"
2019 Update: Rspec2 switched from the 'spec' command to the 'rspec' command.
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How can I see which Git branches are tracking which remote / upstream branch?
...ll" is fine if it gets you what you want and you don't have to repeat it.) From the point of view of this question, kubi's answer provides some extraneous information, and if there's more than one remote, it doesn't show everything, but if it meets your needs, by all means use it.
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How to set a binding in Code?
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Your source should be just ViewModel, the .SomeString part is evaluated from the Path (the Path can be set by the constructor or by the Path property).
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How to check if all list items have the same value and return it, or return an “otherValue” if they
... It gets worse when you have one-time iteration like reading from file... So Ani's answer from other thread looks the best.
– Alexei Levenkov
Dec 8 '10 at 18:20
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How to group dataframe rows into list in pandas groupby?
...B [5, 5, 4] [3, 4, 4]
C [6] [4]
This answer was inspired from Anamika Modi's answer. Thank you!
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