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Print Current Mercurial Revision Hash?
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No prob. hg help revisions and hg help revsets has some crazy powerful shortcuts like that.
– Ry4an Brase
Jun 13 '12 at 20:47
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How can I get the MAC and the IP address of a connected client in PHP?
I need to know the MAC and the IP address of the connect clients, how can I do this in PHP?
16 Answers
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Skip first entry in for loop in python?
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I found that doing cars.pop(0) and cars.pop() works well.
– dreamwork801
Oct 23 '18 at 13:37
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Which exception should I raise on bad/illegal argument combinations in Python?
...tion..
def import_to_orm(name, save=False, recurse=False):
if recurse and not save:
raise ValueError("save must be True if recurse is True")
There's really no point in doing class BadValueError(ValueError):pass - your custom class is identical in use to ValueError, so why not use that...
C++ SFINAE examples?
I want to get into more template meta-programming. I know that SFINAE stands for "substitution failure is not an error." But can someone show me a good use for SFINAE?
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How do you switch pages in Xamarin.Forms?
...dPage, the one you don't like
CarouselPage, that allows for switching left and right to next/prev pages.
On top of this, all pages also supports PushModalAsync() which just push a new page on top of the existing one.
At the very end, if you want to make sure the user can't get back to the previou...
How to automatically crop and center an image
... any arbitrary image, I want to crop a square from the center of the image and display it within a given square.
7 Answers
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How can I join elements of an array in Bash?
...a #a
The code above is based on the ideas by @gniourf_gniourf, @AdamKatz, and @MattCowell.
Alternatively, a simpler function that supports only single character delimiter, would be:
function join_by { local IFS="$1"; shift; echo "$*"; }
For example,
join_by , a "b c" d #a,b c,d
join_by / var local...
Django - “no module named django.core.management”
I get the following error when trying to run Django from the command line.
21 Answers
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CentOS 64 bit bad ELF interpreter
...it version, I'm trying to install a 32-bit application on a 64-bit machine and got this error:
8 Answers
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