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How to create has_and_belongs_to_many associations in Factory girl
...e and my code looks like this:
Factory.define :user do |user|
user.name "Foo Bar"
user.after_create { |u| Factory(:company, :users => [u]) }
end
Factory.define :company do |c|
c.name "Acme"
end
share
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...
git diff between cloned and original remote repository
...
1) Add any remote repositories you want to compare:
git remote add foobar git://github.com/user/foobar.git
2) Update your local copy of a remote:
git fetch foobar
Fetch won't change your working copy.
3) Compare any branch from your local repository to any remote you've added:
git dif...
How do I format a string using a dictionary in python-3.x?
... vals = defaultdict(lambda: '<unset>', {'bar': 'baz'})
>>> 'foo is {foo} and bar is {bar}'.format_map(vals)
'foo is <unset> and bar is baz'
Even if the mapping provided is a dict, not a subclass, this would probably still be slightly faster.
The difference is not big though, ...
Should I be using object literals or constructor functions?
...ontainer for data/state), I would use an object literal.
var data = {
foo: 42,
bar: 43
};
Apply the KISS principle. If you don't need anything beyond a simple container of data, go with a simple literal.
If you want to add behaviour to your object, you can go with a constructor and add m...
Pandas - Get first row value of a given column
...ase the assignment succeeds in modifying df:
In [22]: df = pd.DataFrame({'foo':list('ABC')}, index=[0,2,1])
In [24]: df['bar'] = 100
In [25]: df['bar'].iloc[0] = 99
/home/unutbu/data/binky/bin/ipython:1: SettingWithCopyWarning:
A value is trying to be set on a copy of a slice from a DataFrame
See...
不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...到第一行： 1 + shift +G
3: 快速到第40 行： 40 + shift + G
#ifdef GNU_LINUX
#define __USE_GNU
#endif
========
问题解决
#include <netinet/in_systm.h>
[root@RS1 zebra-0.95a]# make install
Making install in lib
make[1]: Entering directory `/mnt/zebra-0.95a/lib'
make[2]: ...
asp.net mvc: why is Html.CheckBox generating an additional hidden input
I just noticed that Html.CheckBox("foo") generates 2 inputs instead of one, anybody knows why is this so ?
10 Answers
...
Working with select using AngularJS's ng-options
...er('MainCtrl', function($scope) {
$scope.items = [
{ id: 1, name: 'foo' },
{ id: 2, name: 'bar' },
{ id: 3, name: 'blah' }
];
});
<div ng-controller="MainCtrl">
<select ng-model="selectedItem" ng-options="item as item.name for item in items"></select>
&...
python assert with and without parenthesis
... if you did assert (1==2,). The same thing would happen if you did print ('foo', 'bar') instead of print 'foo', 'bar'; you'd see the tuple outputted
– Michael Mrozek
Jun 24 '10 at 17:05
...
Why is Python 3.x's super() magic?
...ne to the same rebinding issues you discovered with super() itself:
class Foo(Bar):
def baz(self):
return super(Foo, self).baz() + 42
Spam = Foo
Foo = something_else()
Spam().baz() # liable to blow up
The same applies to using class decorators where the decorator returns a new obje...