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How to add property to a class dynamically?
...__get__ tacks on the calling instance as the first argument; in effect, it does this:
def __get__(self, instance, owner):
return functools.partial(self.function, instance)
Anyway, I suspect this is why descriptors only work on classes: they're a formalization of the stuff that powers classes ...
How do I check if an element is really visible with JavaScript? [duplicate]
...
For the point 2.
I see that no one has suggested to use document.elementFromPoint(x,y), to me it is the fastest way to test if an element is nested or hidden by another. You can pass the offsets of the targetted element to the function.
Here's PPK test page on elementFromPoint. ...
MVC which submit button has been pressed
...ng submit)
{
switch (submit)
{
case "Save":
// Do something
break;
case "Process":
// Do something
break;
default:
throw new Exception();
break;
}
return View();
}
...
(grep) Regex to match non-ASCII characters?
...II filenames, and I have to find out how many are affected. I was going to do this with find and then do a grep to print the non-ASCII characters, and then do a wc -l to find the number. It doesn't have to be grep; I can use any standard Unix regular expression , like Perl , sed , AWK , et...
How to paste over without overwriting register
Does anyone know of a way to paste over a visually selected area without having the selection placed in the default register?
...
how to delete all cookies of my website in php
...ookie()
Taken from that page, this will unset all of the cookies for your domain:
// unset cookies
if (isset($_SERVER['HTTP_COOKIE'])) {
$cookies = explode(';', $_SERVER['HTTP_COOKIE']);
foreach($cookies as $cookie) {
$parts = explode('=', $cookie);
$name = trim($parts[0]);...
Difference between scaling horizontally and vertically for databases [closed]
...data, in vertical-scaling the data resides on a single node and scaling is done through multi-core i.e. spreading the load between the CPU and RAM resources of that machine.
With horizontal-scaling it is often easier to scale dynamically by adding more machines into the existing pool - Vertical-scal...
Turning multi-line string into single comma-separated
...:
echo "data" | awk -vORS=, '{ print $2 }' | sed 's/,$/\n/'
To break it down:
awk is great at handling data broken down into fields
-vORS=, sets the "output record separator" to ,, which is what you wanted
{ print $2 } tells awk to print the second field for every record (line)
file.txt is your...
What do commas and spaces in multiple classes mean in CSS?
Here is an example that I do not understand:
9 Answers
9
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How to add extension methods to Enums
... some of the switch/if handling and abstract them away a bit until you can do something better. Remember to check the values are in range too.
You can read more here at Microsft MSDN.
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