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django unit tests without a db
...the ORM ... then you should use TransactionTestCase or TestCase instead.
https://docs.djangoproject.com/en/1.6/topics/testing/tools/#django.test.SimpleTestCase
mysite/scripts/settings.py
from django.test import TransactionTestCase
from django.test.runner import DiscoverRunner
class MyDisc...
How to decide font color in white or black depending on background color?
...the concept. You can also generate your own JS formula right in the demo.
https://harthur.github.io/brain/
Below are some charts that helped me get my mind around the problem.
In the first chart, lightness is a constant 128, while hue and saturation vary. In the second chart, saturation is a const...
How to find a hash key containing a matching value
...
According to ruby doc http://www.ruby-doc.org/core-1.9.3/Hash.html#method-i-key key(value) is the method to find the key on the base of value.
ROLE = {"customer" => 1, "designer" => 2, "admin" => 100}
ROLE.key(2)
it will return the "designer"...
What does OSGi solve?
... these issues have been taken care of in the OSGi specifications.
Source : www.osgi.org/Technology/WhyOSGi
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What does Docker add to lxc-tools (the userspace LXC tools)?
...ture projects. And so on.
Sharing. Docker has access to a public registry (https://registry.hub.docker.com/) where thousands of people have uploaded useful containers: anything from redis, couchdb, postgres to irc bouncers to rails app servers to hadoop to base images for various distros. The regist...
iOS 7: UITableView shows under status bar
... self.navigationController.navigationBar.translucent = NO;
}
}
https://developer.apple.com/library/ios/documentation/userexperience/conceptual/TransitionGuide/SupportingEarlieriOS.html#//apple_ref/doc/uid/TP40013174-CH14-SW1
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How to create a simple map using JavaScript/JQuery [duplicate]
...S6) standard javascript has a Map implementation, read here for more info: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map
var map = new Object(); // or var map = {};
map[myKey1] = myObj1;
map[myKey2] = myObj2;
function get(k) {
return map[k];
}
//map[myKe...
Trying to git pull with error: cannot open .git/FETCH_HEAD: Permission denied
... I am facing the similar issue and I am not sure if I can give my www-data user the permission to update the .git directory. I am calling the shell script using php over http in browser. Details here
– KillABug
Aug 21 '15 at 8:58
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what is reverse() in Django
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There is a doc for that
https://docs.djangoproject.com/en/dev/topics/http/urls/#reverse-resolution-of-urls
it can be used to generate an URL for a given view
main advantage is that you do not hard code routes in your code.
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How to write trycatch in R
...about some useful use-cases which I use regularly. Find more details here: https://rsangole.netlify.com/post/try-catch/
Hope this is helpful.
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