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Django-Admin: CharField as TextArea
...ModelForm that will describe how you want the descr field to be displayed, and then tell admin.ModelAdmin to use that form. For example:
from django import forms
class CabModelForm( forms.ModelForm ):
descr = forms.CharField( widget=forms.Textarea )
class Meta:
model = Cab
class Ca...
Difference Between One-to-Many, Many-to-One and Many-to-Many?
... so this is probably a trivial question but I'm having trouble visualizing and understanding the differences and when to use each. I'm also a little unclear as to how concepts like uni-directional and bi-directional mappings affect the one-to-many/many-to-many relationships. I'm using Hibernate righ...
How do I check in JavaScript if a value exists at a certain array index?
... element with index i is defined to be part of the array if i is between 0 and array.length - 1 inclusive. If i is not in this range it's not in the array.
So by concept, arrays are linear, starting with zero and going to a maximum, without any mechanism for having "gaps" inside that range where n...
Django Model - Case-insensitive Query / Filtering
How can I query/filter in Django and ignore the cases of my query-string?
1 Answer
1
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How do I add a margin between bootstrap columns without wrapping [duplicate]
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I was facing the same issue; and the following worked well for me. Hope this helps someone landing here:
<div class="row">
<div class="col-md-6">
<div class="col-md-12">
Set room heater temperature
</...
Declaring an enum within a class
...is declared within the Car class in order to limit the scope of the enum and to try not to "pollute" the global namespace.
...
how do you filter pandas dataframes by multiple columns
... filter a dataframe (df) by a single column, if we consider data with male and females we might:
6 Answers
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What is the Swift equivalent to Objective-C's “@synchronized”?
... from Matt Gallagher about this: cocoawithlove.com/blog/2016/06/02/threads-and-mutexes.html
– wuf810
Jul 29 '16 at 11:50
4
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git + LaTeX workflow
I'm writing a very long document in LaTeX. I have my work computer and my laptop, and I work on them both. I need to keep all the files synchronized between the two computers, and also would like to keep a revision history. I chose git as my DVCS, and I'm hosting my repository on my server. I'm also...
How do I use Ruby for shell scripting?
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By default, you already have access to Dir and File, which are pretty useful by themselves.
Dir['*.rb'] #basic globs
Dir['**/*.rb'] #** == any depth of directory, including current dir.
#=> array of relative names
File.expand_path('~/file.txt') #=> "/User/mat/...