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How to make an AJAX call without jQuery?
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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 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.
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grunt: command not found when running from terminal
... install Node, so the guide here might be helpful http://madebyhoundstooth.com/blog/install-node-with-homebrew-on-os-x/.
You need to ensure that the npm/bin is in your path as it describes export PATH="/usr/local/share/npm/bin:$PATH". This is the location that npm will install the bin stubs for th...
mongodb, replicates and error: { “$err” : “not master and slaveOk=false”, “code” : 13435 }
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Always check the manual before you go executing commands you don't understand on your DBs. There could be consequences to the command that the answer doesn't explain. Does this command change the way read ope rations are distributed for all connections to the replica set? ...
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
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jQuery get value of select onChange
...() {
alert( this.value );
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<select>
<option value="1">One</option>
<option value="2">Two</option>
</select>
You can also reference wit...
How to use a RELATIVE path with AuthUserFile in htaccess?
...k around that limitation.
We're using IfDefine together with an apache2 command line parameter:
.htaccess (suitable for both development and live systems):
<IfDefine !development>
AuthType Basic
AuthName "Say the secret word"
AuthUserFile /var/www/hostname/.htpasswd
Require valid-...
jQuery’s .bind() vs. .on()
...found two great articles talking about the new function .on() : jquery4u.com , elijahmanor.com .
6 Answers
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Is Task.Result the same as .GetAwaiter.GetResult()?
...se await.
Also, you're not meant to use GetResult(). It's meant to be for compiler use only, not for you. But if you don't want the annoying AggregateException, use it.
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