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How to 'bulk update' with Django?
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Update:
Django 2.2 version now has a bulk_update.
Old answer:
Refer to the following django documentation section
Updating multiple objects at once
In short you should be able to use:
ModelClass.objects.filter(name='bar').update(name="foo")
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What is RSS and VSZ in Linux memory management
...ory map, but there isn't necessarily any actual memory behind it all right now).
Note that in these days of commonplace virtual machines, physical memory from the machine's view point may not really be actual physical memory.
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Algorithm to detect intersection of two rectangles?
...nt.x - v(n-1).x) +
rotated.y * (testpoint.y - v(n-1).y);
Now test all points of rectangle A against the edges of rectangle B and vice versa. If you find a separating edge the objects don't intersect (providing all other points in B are on the other side of the edge being tested for...
How to retrieve POST query parameters?
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Things have changed once again starting Express 4.16.0, you can now use express.json() and express.urlencoded() just like in Express 3.0.
This was different starting Express 4.0 to 4.15:
$ npm install --save body-parser
and then:
var bodyParser = require('body-parser')
app.use( bodyP...
SharedPreferences.onSharedPreferenceChangeListener not being called consistently
...dated with warnings about this behavior. So, oddball behavior remains. But now it's documented.
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MySQL: Large VARCHAR vs. TEXT?
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@MichaelJ.Calkins Thing that happened in MySQL 5.6. Now you also have fulltext search in InnoDB. See dev.mysql.com/doc/refman/5.6/en/fulltext-search.html
– PhoneixS
Jun 5 '15 at 8:17
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Using SQL Server 2008 and SQL Server 2005 and date time
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I voted this down by mistake, undid that, but now can't do what I really wanted to do which is vote it up! Thank you for finding the issue. If I understand correctly, does the value change from 2005 to 2008 due to updating the model from the database, where the database ...
How to convert a byte array to a hex string in Java?
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@maybeWeCouldStealAVan: JDK 7 is now open source. We should submit a patch to improve performance for printHexBinary?
– kevinarpe
Jul 10 '13 at 17:05
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await vs Task.Wait - Deadlock?
...anks @MarcGravell. Can you please remove your deletion vote for the answer now?
– Ayushmati
Dec 6 '18 at 15:03
"Can yo...
Android Studio Stuck at Gradle Download on create new project
...he android studio. It just makes android studio a more fragmented software now with all pieces here and there.
– Ankit Tanna
May 23 '15 at 5:54
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