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Does SQLAlchemy have an equivalent of Django's get_or_create?
...
That's basically the way to do it, there is no shortcut readily available AFAIK.
You could generalize it ofcourse:
def get_or_create(session, model, defaults=None, **kwargs):
instance = session.query(model).filter_by(**kwargs).firs...
How do I use brew installed Python as the default Python?
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Quick fix:
Open /etc/paths
Change the order of the lines (highest priority on top)
In my case /etc/paths looks like:
/usr/local/bin
/usr/local/sbin
/usr/bin
/bin
/usr/sbin
/sbin
If you want to know more about paths in OSX I found this ar...
Is it better to use std::memcpy() or std::copy() in terms to performance?
...y.
I wrote a C++ SHA-2 implementation. In my test, I hash 5 strings using all four SHA-2 versions (224, 256, 384, 512), and I loop 300 times. I measure times using Boost.timer. That 300 loop counter is enough to completely stabilize my results. I ran the test 5 times each, alternating between the m...
Add new field to every document in a MongoDB collection
...field" : 1, "test" : "a" }
EDIT:
In case you want to add a new_field to all your collection, you have to use empty selector, and set multi flag to true (last param) to update all the documents
db.your_collection.update(
{},
{ $set: {"new_field": 1} },
false,
true
)
EDIT:
In the above ...
How to reset or change the MySQL root password?
...Enter the following lines in your terminal.
Stop the MySQL Server: sudo /etc/init.d/mysql stop
Start the mysqld configuration: sudo mysqld --skip-grant-tables &
In some cases, you've to create the /var/run/mysqld first:
sudo mkdir -v /var/run/mysqld && sudo chown mysql /var/run/mysql...
Can I write a CSS selector selecting elements NOT having a certain class or attribute?
...iv>...but not me...</div>
</div>
Browser Support, etc.
:not is a CSS3 level selector, the main exception in terms of support is that it is IE9+
The spec also makes an interesting point:
the :not() pseudo allows useless selectors to be written. For
instance :not(*|*),...
How can I display an RTSP video stream in a web page?
...ove media servers and can elaborate on ease of setup, performance, latency etc? I had tried with Red 5 but found some things a bit tricky to get working.
– elMarquis
Jun 27 '12 at 11:07
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How to replace all dots in a string using JavaScript
I want to replace all the occurrences of a dot( . ) in a JavaScript string
15 Answers
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GoogleTest: How to skip a test?
...o). I then removed my comment, figuring it's obsolete... but that's some really good info! +1
– Kiril
Aug 26 '11 at 17:05
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Is there any simple way to find out unused strings in Android project?
...ernationalization problems (hardcoded strings, missing contentDescription, etc)
- Icon problems (like missing densities, duplicate icons, wrong sizes, etc)
- Usability problems (like not specifying an input type on a text field)
- Manifest errors
and many more.
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