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Why doesn't django's model.save() call full_clean()?
...e that declares a receiver, we can use an app as INSTALLED_APPS section in settings.py
INSTALLED_APPS = [
# ...
'django_fullclean',
# your apps here,
]
Before that, you may need to install django-fullclean using PyPI:
pip install django-fullclean
...
Creating functions in a loop
...s late as possible (thus, when called after the end of the loop, i will be set to 2).
Easily fixed by forcing early binding: change def f(): to def f(i=i): like this:
def f(i=i):
return i
Default values (the right-hand i in i=i is a default value for argument name i, which is the left-hand...
What's the point of 'meta viewport user-scalable=no' in the Google Maps API
...e fact that there's no native browser zooming on pages with a viewport tag set like that. This allows them to get rid of the dreaded 300ms delay on touch events that the browser takes to wait and see if your single touch will end up being a double touch. (Think "single click" and "double click".) Ho...
Postgres: “ERROR: cached plan must not change result type”
...y restarting the application after the database table was modified. This reset the database connection, allowing the prepared statement to execute without errors.
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How do I overload the square-bracket operator in C#?
...t it is:
public object this[int i]
{
get { return InnerList[i]; }
set { InnerList[i] = value; }
}
If you only need a getter the syntax in answer below can be used as well (starting from C# 6).
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What is the difference between ArrayList.clear() and ArrayList.removeAll()?
... all the elements of a single ArrayList. It's a fast operation, as it just sets the array elements to null.
The removeAll(Collection) method, which is inherited from AbstractCollection, removes all the elements that are in the argument collection from the collection you call the method on. It's a r...
fatal: 'origin' does not appear to be a git repository
...emote end hung up unexpectedly
I had to change the URL using
git remote set-url origin ssh://git@github.com/username/newRepoName.git
After this all commands started working fine. You can check the change by using
git remote -v
In my case after successfull change it showed correct renamed re...
What makes a SQL statement sargable?
...more expensive than it needs to be when you have to mutually exclusive datasets
– Devin Lamothe
May 24 '18 at 18:02
1
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Why can't the tag contain a tag inside it?
...
But if in CSS if I set div to be inline why it's not respecting that?
– Sanjay
Jan 5 '18 at 23:26
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ASP.Net: Literal vs Label
...ting your text box, so that if a user clicks on the label it automatically sets their cursor inside the text field.
Otherwise use the literal unless having the text wrapped in a span would be beneficial for css styling.
sha...