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How to validate an email address using a regular expression?
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The fully RFC 822 compliant regex is inefficient and obscure because of its length. Fortunately, RFC 822 was superseded twice and the current specification for email addresses is RFC 5322. RFC 5322 leads to a regex that can be understood if studied for a few minutes and i...
Dynamically creating keys in a JavaScript associative array
...rk well, are overcomplicated:
They use new Array(), which is an overkill (and an overhead) for a simple associative array (AKA dictionary).
The better ones use new Object(). It works fine, but why all this extra typing?
This question is tagged "beginner", so let's make it simple.
The über-simple ...
Keyboard Interrupts with python's multiprocessing Pool
How can I handle KeyboardInterrupt events with python's multiprocessing Pools? Here is a simple example:
10 Answers
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Separating class code into a header and cpp file
I am confused on how to separate implementation and declarations code of a simple class into a new header and cpp file. For example, how would I separate the code for the following class?
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Application Loader: “Cannot proceed with delivery: an existing transporter instance is currently upl
...omputers - it's like the server is hung up on an op that I never initiated and it won't time out. Has anyone seen it before and beaten it?
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getting the X/Y coordinates of a mouse click on an image with jQuery [duplicate]
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You can use pageX and pageY to get the position of the mouse in the window. You can also use jQuery's offset to get the position of an element.
So, it should be pageX - offset.left for how far from the left of the image and pageY - offset.top...
The calling thread cannot access this object because a different thread owns it
... answered Mar 16 '12 at 6:22
CandideCandide
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How to programmatically get iOS status bar height
I know that currently the status bar (with the time, battery, and network connection) at the top of the iPhone/iPad is 20 pixels for non-retina screens and 40 pixels for retina screens, but to future proof my app I would like to be able to determine this without hard coding values. Is it possible to...
Characters allowed in a URL
... used within a GET without being encoded? At the moment I am using A-Z a-z and 0-9... but I am looking to find out the full list.
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How can I get the active screen dimensions?
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Screen.FromControl, Screen.FromPoint and Screen.FromRectangle should help you with this. For example in WinForms it would be:
class MyForm : Form
{
public Rectangle GetScreen()
{
return Screen.FromControl(this).Bounds;
}
}
I don't know of an equival...