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How do I add a placeholder on a CharField in Django?
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Look at the widgets documentation. Basically it would look like:
q = forms.CharField(label='search',
widget=forms.TextInput(attrs={'placeholder': 'Search'}))
More writing, yes, but the separation allows for better abstraction...
Redirect From Action Filter Attribute
... redirect to the login page. I would prefer to redirect using the route name SystemLogin however any redirect method at this point would be fine.
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Disable submit button when form invalid with AngularJS
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You need to use the name of your form, as well as ng-disabled: Here's a demo on Plunker
<form name="myForm">
<input name="myText" type="text" ng-model="mytext" required />
<button ng-disabled="myForm.$invalid">Save</b...
What is Hindley-Milner?
... encountered this term Hindley-Milner , and I'm not sure if grasp what it means.
3 Answers
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How do I rename all folders and files to lowercase on Linux?
I have to rename a complete folder tree recursively so that no uppercase letter appears anywhere (it's C++ source code, but that shouldn't matter).
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Make outer div be automatically the same height as its floating content
...n't cause unexpected behaviour */
}
You can also do this by adding an element at the end with clear: both. This can be added normally, with JS (not a good solution) or with :after CSS pseudo element (not widely supported in older IEs).
The problem is that containers won't naturally expand to inc...
Unit Testing bash scripts
We have a system that has some bash scripts running besides Java code. Since we are trying to Test Everything That Could Possibly Break, and those bash scripts may break, we want to test them.
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How to print matched regex pattern using awk?
...ich by default is called a record, denoted by $0. At least read up the documentation.
If you only want to get print out the matched word.
awk '{for(i=1;i<=NF;i++){ if($i=="yyy"){print $i} } }' file
share
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Error : BinderProxy@45d459c0 is not valid; is your activity running?
... being destroyed.
I was seeing this error reported once in a while from some of my apps when the activity calling the dialog was finishing for some reason or another when it tried to show a dialog. Here's what solved it for me:
if(!((Activity) context).isFinishing())
{
//show dialog
}
I've ...
How to delete .orig files after merge from git repository?
Some how .orig files are checked in my git repository during merge, which are now displayed in modified and un-tracked sector. But I don't want this files anymore in my repository. How to do that.
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