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The differences between .build, .create, and .create! and when should they be used?
...st a wee bit shorter
I think .build is mostly an alias for .new. It works one way in Rails 3 and another way in Rails < 3.x
The most important part, however, is that these methods can be called through an association (has_many, etc.) to automatically link the two models.
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Best way to represent a Grid or Table in AngularJS with Bootstrap 3? [closed]
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I had the same requirement and solved it using these components:
AngularJS 1.0.8
AngularUI Boostrap 0.10.0: Compatible with AngularJS 1.0.8 and Boostrap CSS 3.x.
ng-grid 2.0.7: Compatible with AngularJS 1.0.8
Bootstrap CSS 3.0
The table component ng-grid is capable of displayin...
Get difference between two lists
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The existing solutions all offer either one or the other of:
Faster than O(n*m) performance.
Preserve order of input list.
But so far no solution has both. If you want both, try this:
s = set(temp2)
temp3 = [x for x in temp1 if x not in s]
Performance test
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Forced naming of parameters in Python
...aking the first argument a positional argument with no name you force everyone who calls the function to use the keyword arguments which is what I think you were asking about. In Python2 the only way to do this is to define a function like this
def foo(**kwargs):
pass
That'll force the calle...
Design for Facebook authentication in an iOS app that also accesses a secured web service
...cebook.... And you just created them a second account and lost their first one.
There needs to be a way to be logged in to your web service, then log in to facebook, and capture the association between the facebook ID and the local account.
Apart from that, your plan sounds solid.
Update: Facebo...
Copy/duplicate database without using mysqldump
Without local access to the server, is there any way to duplicate/clone a MySQL db (with content and without content) into another without using mysqldump ?
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Regular expression to search for Gadaffi
...bic transcription is (Wiki says) "Qaḏḏāfī", so maybe adding a Q. And one H ("Gadhafi", as the article (see below) mentions).
Btw, why is there a $ at the end of the regex?
Btw, nice article on the topic:
Gaddafi, Kadafi, or Qaddafi? Why is the Libyan leader’s name spelled so many differ...
How to duplicate virtualenv
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Another option is to use virtualenv-clone package:
A script for cloning a non-relocatable virtualenv.
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Having Django serve downloadable files
...ded string. Thus for example "Örinää.mp3" file cannot be served. And if one omits the smart_str, the Django itself throws ascii encoding error because all headers are encoded to ascii format before sending. Only way that I know of to circumvent this problem is to reduce X-sendfile filenames to on...
List files with certain extensions with ls and grep
... I like this solution but it seems to fail if you are missing any one of the filetypes. For example, you have mp3 but no .exe (Mac OSX, zsh)
– JHo
Dec 21 '13 at 13:42
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