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How do I deep copy a DateTime object?
...point, but for now assume DateTime is returned from some opaque API that I can't just call over again. For example, I have a function that handles orders that returns a DateTime which is when the customer can next place an order. Calling the function to create a copy produces side effects I don't wa...
error: use of deleted function
...st be initialized -- but a default ctor wouldn't normally initialize it (because it's a POD type). Therefore, to get a default ctor, you need to define one yourself (and it must initialize x). You can get the same kind of situation with a member that's a reference:
class X {
whatever &x;
}...
What's the difference between nohup and ampersand
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nohup catches the hangup signal (see man 7 signal) while the ampersand doesn't (except the shell is confgured that way or doesn't send SIGHUP at all).
Normally, when running a command using & and exiting the shell afterwards, ...
How do I apply CSS3 transition to all properties except background-position?
...g.SE menu. To be honest I only even tested background-position initially because that's what the question specifically mentions and is the one I was trying to change myself.
– animuson♦
Sep 17 '13 at 3:27
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How do I byte-compile everything in my .emacs.d directory?
... The interactive command unfortunately doesn't expose it, but if you call the function directly you can use the optional argument FORCE to recompile files that already have an associated ".elc" even if they're not older than the source file: M-: (byte-recompile-directory "/the/directory/" 0 t)...
Numpy index slice without losing dimension information
...y. I'd guess the numpy devs felt the same way.
Also, numpy handle broadcasting arrays very well, so there's usually little reason to retain the dimension of the array the slice came from. If you did, then things like:
a = np.zeros((100,100,10))
b = np.zeros(100,10)
a[0,:,:] = b
either wouldn...
How to count objects in PowerShell?
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This will get you count:
get-alias | measure
You can work with the result as with object:
$m = get-alias | measure
$m.Count
And if you would like to have aliases in some variable also, you can use Tee-Object:
$m = get-alias | tee -Variable aliases | measure
$m.Count
$al...
Get last element of Stream/List in a one-liner
How can I get the last element of a stream or list in the following code?
6 Answers
6
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What is a handle in C++?
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A handle can be anything from an integer index to a pointer to a resource in kernel space. The idea is that they provide an abstraction of a resource, so you don't need to know much about the resource itself to use it.
For instance, ...
PHP + curl, HTTP POST sample code?
Can anyone show me how to do a php curl with an HTTP POST?
11 Answers
11
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