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PHP function to generate v4 UUID
...osest I've been able to come. My knowledge in hex, decimal, binary, PHP's bitwise operators and the like is nearly non existant. This function generates a valid v4 UUID up until one area. A v4 UUID should be in the form of:
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Direct vs. Delegated - jQuery .on()
... When any of your child elements which are "span.green" get clicked, do X with them.
In other words...
In case 1, each of those spans has been individually given instructions. If new spans get created, they won't have heard the instruction and won't respond to clicks. Each span is directly respons...
Detect IF hovering over element with jQuery
...kyaJ/3/
(This only works when the selector matches ONE element max. See Edit 3 for more)
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Edit 1 (June 29, 2013): (Applicable to jQuery 1.9.x only, as it works with 1.10+, see next Edit 2)
This answer was the best solution at the time the question was answered. This ':hover' selector was remove...
What is trunk, branch and tag in Subversion? [duplicate]
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The trunk is the main line of development in a SVN repository.
A branch is a side-line of development created to make larger, experimental or disrupting work without annoying users of the trunk version. Also, branches can be used to create development lines for multiple versions ...
How to explicitly discard an out argument?
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Starting with C# 7.0, it is possible to avoid predeclaring out parameters as well as ignoring them.
public void PrintCoordinates(Point p)
{
p.GetCoordinates(out int x, out int y);
WriteLine($"({x}, {y})");
}
public void Print...
Purpose of memory alignment
Admittedly I don't get it. Say you have a memory with a memory word of length of 1 byte. Why can't you access a 4 byte long variable in a single memory access on an unaligned address(i.e. not divisible by 4), as it's the case with aligned addresses?
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Do you get charged for a 'stopped' instance on EC2? [closed]
Bit confused here, I have an on-demand instance but do I get charged even when I stop the instance?
4 Answers
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What is the correct way to represent null XML elements?
... NULL value is returned.
xsi:nil is also used to indicate a valid element with no content even if that elements content type normally doesn't allow empty elements.
If an empty tag is used, getElementValue() returns the empty string ("")
If the tag is omitted, then no author tag is even present. Thi...
How do I convert an enum to a list in C#? [duplicate]
...follow
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edited Oct 24 '12 at 15:18
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How to check if DST (Daylight Saving Time) is in effect, and if so, the offset?
This is a bit of my JS code for which this is needed:
14 Answers
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