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Django Forms: if not valid, show form with error message
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yes you got it right now. If you have not rendered the form manually then the errors will automatically shown for each field.
– Aamir Adnan
Feb 1 '13 at 14:00
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Transposing a 2D-array in JavaScript
... can just do const transpose = apply(zip)
– Guy Who Knows Stuff
Apr 26 '18 at 5:09
1
Why would th...
How do I get the current username in .NET using C#?
...t the Name associated with the username?
– SearchForKnowledge
Jun 25 '15 at 15:23
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How do I drop a foreign key constraint only if it exists in sql server?
I can drop a table if it exists using the following code but do not know how to do the same with a constraint:
10 Answers
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Is “Java Concurrency In Practice” still valid? [closed]
...ersions of Java than new versions of the book, so I'm focusing on that for now. Maybe after Project Loom delivers, it'll be different.
– Brian Goetz
Dec 7 '18 at 15:19
4
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How to read all files in a folder from Java?
... This should be the only answer left for the question right now in 2020 :)
– Haramoz
Feb 13 at 16:15
Up...
Using capistrano to deploy from different git branches
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With multistage, it's actually now:
cap production deploy -s branch=my-branch
The previous post syntax does not work in my environment
share
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improve...
Intersection and union of ArrayLists in Java
...ect(Collectors.toList());
If anyone has a better/faster solution let me know, but this solution is a nice one liner that can be easily included in a method without adding a unnecessary helper class/method and still keep the readability.
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How do I fit an image (img) inside a div and keep the aspect ratio?
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You will need some JavaScript to prevent cropping if you don't know the dimension of the image at the time you're writing the css.
HTML & JavaScript
<div id="container">
<img src="something.jpg" alt="" />
</div>
<script type="text/javascript">
(function(...
stop all instances of node.js server
...ute and type:
ps aux | grep node
to get a list of all node process ids. now you can get your process id(pid), then
do:
kill -9 PID
and if you want to kill all node processes then do:
killall -9 node
-9 switch is like end task on windows. it will force the process to end.
you can do:
kill -...