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Chaining multiple filter() in Django, is this a bug?
...ow that matches B.
Look at the example here:
https://docs.djangoproject.com/en/dev/topics/db/queries/#spanning-multi-valued-relationships
particularly:
Everything inside a single filter() call is applied simultaneously to filter out items matching all those requirements. Successive filter() ...
How to change the author and committer name and e-mail of multiple commits in Git?
I was writing a simple script in the school computer, and committing the changes to Git (in a repo that was in my pendrive, cloned from my computer at home). After several commits I realized I was committing stuff as the root user.
...
PHP validation/regex for URL
...f the random junk at the end is to deal with situations like http://domain.com. in a sentence (to avoid matching the trailing period). I'm sure it could be cleaned up but since it worked. I've more or less just copied it over from project to project.
...
TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi
...nsaction.TransactionManagementError exception.
Like caio mentioned in the comments, the solution is to capture your exception with transaction.atomic like:
from django.db import transaction
def test_constraint(self):
try:
# Duplicates should be prevented.
with transaction.atomi...
How can I get the timezone name in JavaScript?
...wered Jul 5 '17 at 20:55
Daniel ComptonDaniel Compton
10.1k44 gold badges3232 silver badges5454 bronze badges
...
How do I set/unset a cookie with jQuery?
...anipulation, so don't use the original answer below.
Go to https://github.com/js-cookie/js-cookie instead, and use the library there that doesn't depend on jQuery.
Basic examples:
// Set a cookie
Cookies.set('name', 'value');
// Read the cookie
Cookies.get('name') => // => 'value'
See th...
Parse JSON in TSQL
...e routine for all your JSON. Anyway, i've done it for you here simple-talk.com/sql/t-sql-programming/…
– Phil Factor
Nov 15 '10 at 18:04
10
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Populating a database in a Laravel migration file
...'users')->insert(
array(
'email' => 'name@domain.com',
'verified' => true
)
);
}
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How to list the properties of a JavaScript object?
...ny object. Extending the prototype has some side effects and I wouldn't recommend doing it.
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String concatenation in MySQL
...ame, " ", last_name) AS Name FROM test.student
As @eggyal pointed out in comments, you can enable string concatenation with the || operator in MySQL by setting the PIPES_AS_CONCAT SQL mode.
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