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Difference between Python's Generators and Iterators
...t class Iterator with abstract methods __next__
We can get the iterators from the built-in objects (or custom objects) with the iter function:
>>> all(isinstance(iter(element), collections.Iterator) for element in (
(), [], {}, set(), frozenset(), '', b'', bytearray(), range(0), ...
When deleting remote git branch “error: unable to push to unqualified destination”
...ch. If you go a git fetch you will see the branch again. It just remove it from your local list of remote branch.
– Patrick Desjardins
Oct 27 '14 at 15:07
2
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Python Regex instantly replace groups
.... Groups are counted the same as by the group(...) function, i.e. starting from 1, from left to right, by opening parentheses.
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cv2.imshow command doesn't work properly in opencv-python
...rked for me here:
http://txt.arboreus.com/2012/07/11/highgui-opencv-window-from-ipython.html
If you run an interactive ipython session, and want to use highgui
windows, do cv2.startWindowThread() first.
In detail: HighGUI is a simplified interface to display images and
video from OpenCV...
What is the difference between char s[] and char *s?
...ill probably be stored within an "initialised data segment" that is loaded from the executable file into writeable memory when the program is run.
On the other hand, this declaration:
char *s ="hello";
Creates two objects:
a read-only array of 6 chars containing the values 'h', 'e', 'l', 'l', ...
What's causing my java.net.SocketException: Connection reset? [duplicate]
... We are unsure as to where the Connection reset error is actually coming from, and how to go about debugging.
14 Answers
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ACE vs Boost vs POCO [closed]
...a problem for Boost.
I never used ACE, so I can't really comment on it. From what I've heard, people find POCO more modern and easier to use than ACE.
Some answers to the comments by Rahul:
I don't know about versatile and advanced. The POCO thread library provides some functionality that is ...
Bootstrap: Open Another Modal in Modal
...ls to stack as expected, you need to have them ordered in your Html markup from lowest to highest.
$(document).on('hidden.bs.modal', function (event) {
if ($('.modal:visible').length) {
$('body').addClass('modal-open');
}
});
UPDATE: When you have stacked modals, all the back...
Does PowerShell support constants?
...on for defining a constant like this:
const myConst = 42
Solution taken from http://poshcode.org/4063
function Set-Constant {
<#
.SYNOPSIS
Creates constants.
.DESCRIPTION
This function can help you to create constants so easy as it possible.
It works as k...
Installing in Homebrew errors
...e note: this command is going to remove ownership of /usr/local/mysql/data from the mysql user. In my case that prevented mysql from starting up. Fix that with: sudo chown -RL mysql:mysql /usr/local/mysql/data
– samvermette
Jun 22 '11 at 3:18
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