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Does Java support default parameter values?
...berson: Static factory methods are no more harmful than new. They are used all the time in new code. Builders for simple value objects are often the result of over-engineering.
– Lii
Jan 22 '16 at 8:38
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Logic to test that 3 of 4 are True
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Thanks! This is really what I meant to do, but my idea was so clumsy that I reached for boolean logic.
– Simon Kuang
Mar 9 '14 at 20:33
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How to find common elements from multiple vectors?
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@GioraSimchoni how could you get c(1,1,3), if that is really what you want?
– StatsSorceress
Aug 25 '18 at 18:01
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Write to UTF-8 file in Python
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I believe the problem is that codecs.BOM_UTF8 is a byte string, not a Unicode string. I suspect the file handler is trying to guess what you really mean based on "I'm meant to be writing Unicode as UTF-8-encoded text, but you've given me a byte string!"
Try writin...
How to check if PHP array is associative or sequential?
PHP treats all arrays as associative, so there aren't any built in functions. Can anyone recommend a fairly efficient way to check if an array contains only numeric keys?
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Unix command-line JSON parser? [closed]
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"bar": 2,
"foo": 1
}
Note: Depending on your version of python, all keys might get sorted alphabetically, which can or can not be a good thing. With python 2 it was the default to sort the keys, while in python 3.5+ they are no longer sorted automatically, but you have the option to sort ...
Why doesn't Java offer operator overloading?
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It's pretty simple really... Just do like Python and have no overloaded assignment.
– L̲̳o̲̳̳n̲̳̳g̲̳̳p̲̳o̲̳̳k̲̳̳e̲̳̳
Jun 5 '10 at 14:32
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What is the best way to detect a mobile device?
...igator.userAgent.toLowerCase()));
Now $.browser will return "device" for all above devices
Note: $.browser removed on jQuery v1.9.1. But you can use this by using jQuery migration plugin Code
A more thorough version:
var isMobile = false; //initiate as false
// device detection
if(/(android|b...
Swapping two variable value without using third variable
...ation, when one is set to 0, both are set to 0.
When both *x and *y are 0, all other xor operations on *x and *y will equal 0 (as they are the same), which means that the function will set both *x and *y set to 0.
If they have the same values but not the same memory location, everything works as ex...
Static Classes In Java
...ion by client code as it makes no sense to instantiate a static class
Make all the members and functions of the class static - Since the class cannot be instantiated no instance methods can be called or instance fields accessed
Note that the compiler will not prevent you from declaring an instance ...