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DatabaseError: current transaction is aborted, commands ignored until end of transaction block?
... prevent the error from occurring:
from django.db import transaction, DatabaseError
try:
a.save()
except DatabaseError:
transaction.rollback()
Refer : Django documentation
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php - get numeric index of associative array
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All solutions based on array_keys don't work for mixed arrays. Solution is simple:
echo array_search($needle,array_keys($haystack), true);
From php.net:
If the third parameter strict is set to TRUE then the array_search() function will ...
How to override the properties of a CSS class using another CSS class
...om css-tricks.com will help you produce right specificity for your element based on a points structure. Whichever specificity has higher points, will win. Sounds like a game - doesn't it?
Checkout sample calculations here on css-tricks.com. This will help you understand the concept very well and ...
Can I use a function for a default value in MySql?
...mbedded in the 1980's technology that apparently still exists in the MySQL base code (search for"we can't have nice things"): percona.com/blog/2013/04/08/…
– RyanNerd
Dec 11 '17 at 22:55
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How do I fetch only one branch of a remote Git repository?
...lt;branch_name> FETCH_HEAD
git checkout <branch_name>
These are based on the answer by @Abdulsattar Mohammed, the comment by @Christoph on that answer, and these other stack overflow questions and their answers:
How do I check out a remote Git branch?
What does FETCH_HEAD in Git mean?
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Case insensitive comparison of strings in shell script
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I used the tr method in my docker-ized applications based on alpine (which provides sh via busybox). Thank you.
– MXWest
Aug 30 '19 at 20:11
add a comme...
angularjs newline filter with no other html
...eneral, since long rows will be wrapped (as they would with any <br> based solutions).
– tuomassalo
Dec 19 '13 at 9:03
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How can I fill a div with an image while keeping it proportional?
...ld question but deserves an update as now there is a way.
The correct CSS based answer is to use object-fit: cover, which works like background-size: cover. Positioning would be taken care of by object-position attribute, which defaults to centering.
But there is no support for it in any IE / Edge...
Convert a Unix timestamp to time in JavaScript
I am storing time in a MySQL database as a Unix timestamp and that gets sent to some JavaScript code. How would I get just the time out of it?
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Find index of last occurrence of a sub-string using T-SQL
...ame)) -1))
from sys.master_files mf
shows how to extract the actual database file names from from their "physical names", no matter how deeply nested in subfolders. This does search for only one character (the backslash), but you can build on this for longer search strings.
The only downside is...