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Python call function within class
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Since these are member functions, call it as a member function on the instance, self.
def isNear(self, p):
self.distToPoint(p)
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Python argparse command line flags without arguments
...a look at http://docs.python.org/dev/library/argparse.html#action (specifically store_true and store_false)
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('-w', action='store_true')
where action='store_true' implies default=False.
Conversely, you could haveaction='store_...
How to select an element by classname using jqLite?
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Essentially, and as-noted by @kevin-b:
// find('#id')
angular.element(document.querySelector('#id'))
//find('.classname'), assumes you already have the starting elem to search from
angular.element(elem.querySelector('.classname'))...
Using git commit -a with vim
...rupt the commit when I quit vim?
There are 2 ways:
:cq or :cquit
Delete all lines of the commit message, including comments, and then :wq
Either way will give git an error code, so it will not proceed with the commit. This is particularly useful with git commit --amend.
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How can I obtain an 'unbalanced' grid of ggplots?
...RonGejman it's easy if you print the 3x2 matrix on screen: first column is all 1s, that's where the first plot lives, spanning the three rows; second column contains plots 2, 3, 4, each occupying one row.
– baptiste
Sep 30 '15 at 18:59
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How to check if a given directory exists in Ruby
I am trying to write a script which automatically checks out or updates a Subversion URL based on whether a specified directory exists or not.
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count members with jsonpath?
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@mattb - if using Maven, do not add hamcrest-all as a dependancy, but use hamcrest-library: code.google.com/p/hamcrest/wiki/HamcrestDistributables
– Adam Michalik
Nov 3 '15 at 13:37
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How ListView's recycling mechanism works
So I have this problem I had before, and naturally I asked for help on here . Luksprog's answer was great because I had no idea about how ListView and GridView optimized itself with recycling Views. So with his advice I was able to change how I added Views to my GridView. Problem is now I have some...
CSRF Token necessary when using Stateless(= Sessionless) Authentication?
...14/05/json-web-tokens-introduction/
"If we go down the cookies way, you really need to do CSRF to avoid cross site requests. That is something we can forget when using JWT as you will see."
(JWT = Json Web Token, a Token based authentication for stateless apps)
http://www.jamesward.com/2013/05/13/s...
jQuery lose focus event
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Use blur event to call your function when element loses focus :
$('#filter').blur(function() {
$('#options').hide();
});
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