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How to test valid UUID/GUID?
...here. The following regex takes this into account and will return a match for a NIL UUID. See below for a UUID which only accepts non-NIL UUIDs. Both of these solutions are for versions 1 to 5 (see the first character of the third block).
Therefore to validate a UUID...
/^[0-9a-f]{8}-[0-9a-f]{4}-[...
Filename too long in Git for Windows
I'm using Git-1.9.0-preview20140217 for Windows. As I know, this release should fix the issue with too long filenames. But not for me.
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How to reference a method in javadoc?
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You will find much information about JavaDoc at the Documentation Comment Specification for the Standard Doclet, including the information on the
{@link package.class#member label}
tag (that you are looking for). The corresponding example ...
Abstract methods in Python [duplicate]
...rouble in using inheritance with Python. While the concept seems too easy for me in Java yet up till now I have been unable to understand in Python which is surprising to me at least.
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Overriding fields or properties in subclasses
I have an abstract base class and I want to declare a field or a property that will have a different value in each class that inherits from this parent class.
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JS: iterating over result of getElementsByClassName using Array.forEach
...rn browsers (pretty much anything other IE <= 8), you can call Array's forEach method, passing it the list of elements (be it HTMLCollection or NodeList) as the this value:
var els = document.getElementsByClassName("myclass");
Array.prototype.forEach.call(els, function(el) {
// Do stuff her...
What is “vectorization”?
Several times now, I've encountered this term in matlab, fortran ... some other ... but I've never found an explanation what does it mean, and what it does? So I'm asking here, what is vectorization, and what does it mean for example, that "a loop is vectorized" ?
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Concept behind these four lines of tricky C code
... 'k' 0x63 'c' 0x75 'u' 0x53 'S' 0x2B '+' 0x2B '+' 0x43 'C'
This pattern corresponds to the string that you see printed, only backwards. At the same time, the second element of the array becomes zero, providing null terminator, making the string suitable for passing to printf().
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Why does C# disallow readonly local variables?
Having a friendly debate with a co-worker about this. We have some thoughts about this, but wondering what the SO crowd thinks about this?
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Animate change of view background color on Android
How do you animate the change of background color of a view on Android?
16 Answers
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