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Check if an element contains a class in JavaScript?
...e polyfills to support older browsers too.
Alternatively, if you work with older browsers and don't want to use polyfills to fix them, using indexOf is correct, but you have to tweak it a little:
function hasClass(element, className) {
return (' ' + element.className + ' ').indexOf(' ' + cl...
Docker how to change repository name or rename image?
I'm trying to change repository name of the image:
7 Answers
7
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Accessing dict_keys element by index in Python3
I'm trying to access a dict_key's element by its index:
6 Answers
6
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Django migration strategy for renaming a model and relationship fields
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So when I tried this, it seems you can condense Step 3 - 7:
class Migration(migrations.Migration):
dependencies = [
('myapp', '0001_initial'),
]
operations = [
migrations.RenameModel('Foo', 'Bar'),
migration...
Change One Cell's Data in mysql
...w can I change the data in only one cell of a mysql table.
I have problem with UPDATE because it makes all the parameters in a column change but I want only one changed. How?
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postgresql port confusion 5433 or 5432?
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/etc/services is only advisory, it's a listing of well-known ports. It doesn't mean that anything is actually running on that port or that the named service will run on that port.
In PostgreSQL's case it's typical to use port 5432 if it is available. If it...
Relationship between hashCode and equals method in Java [duplicate]
... equals method in Java, should override hashCode method too, otherwise it is "violating the contract".
7 Answers
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How to stop event bubbling on checkbox click
...ction on the click event, however the checkbox is also inside a container with it's own click behaviour that I don't want to run when the checkbox is clicked. This sample illustrates what I want to do:
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Drawing a connecting line between two elements [closed]
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jsPlumb is an option available that supports drag and drop, as seen by its numerous demos, including the Flowchart demo.
It is available in a free Community edition, and a paid Toolkit edition.
The Toolkit edition wraps the Community edition with a comprehensive data binding layer, as well ...
Use different Python version with virtualenv
I have a Debian system currently running with python 2.5.4. I got virtualenv properly installed, everything is working fine. Is there a possibility that I can use a virtualenv with a different version of Python?
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