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How to identify unused css definitions
Are there any good approaches to help identify unused css definitions in a project? A bunch of css files were pulled in and now I'm trying to clean things up a bit.
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How to limit the maximum value of a numeric field in a Django model?
...ore I think about this, I realize how useful this would be for many Django apps. Perhaps a IntegerRangeField type could be submitted as a patch for the Django devs to consider adding to trunk.
This is working for me:
from django.db import models
class IntegerRangeField(models.IntegerField):
d...
How to detect the device orientation using CSS media queries?
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It may not be a bad thing to apply a different style when the keyboard is popped up because the visible area is generally more fit for the style that applies to the landscape mode. So may not be a bummer.
– Muhammad bin Yusrat
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Change working directory in my current shell context when running Node script
...hanks. Well the reason I want to do this is because I am making a terminal app for organising my projects. So basically I want to be able to list my projects and easily change the current shell location to that. Now that I think about it, I am going to look into how z (github.com/rupa/z) does this...
Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4)
...: final Cursor apnCursor = this.context.getContentResolver().query(Uri.withAppendedPath(Carriers.CONTENT_URI, "current"), null, null, null, null); Im testing on a Nexus 4.
– toobsco42
Feb 24 '13 at 21:40
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How do I make a fully statically linked .exe with Visual Studio Express 2005?
...RT explicitly." Recently I ran into this issue. I was building a wxWidgets app, I found I needed to rebuild the wxWidgets libs with the same code generation modification
– Bill Forster
Nov 12 '08 at 2:55
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What does inverse_of do? What SQL does it generate?
...any of the following options:
:through
:foreign_key
class Author < ApplicationRecord
has_many :books, inverse_of: 'writer'
end
class Book < ApplicationRecord
belongs_to :writer, class_name: 'Author', foreign_key: 'author_id'
end
a = Author.first
b = a.books.first
a.first_name == b.w...
Spring Boot JPA - configuring auto reconnect
I have a nice little Spring Boot JPA web application. It is deployed on Amazon Beanstalk and uses an Amazon RDS for persisting data. It is however not used that often and therefore fails after a while with this kind of exception:
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Does Redis persist data?
...from disk. Or is it always a blank store which is only to store data while apps are running with no persistence?
5 Answers
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Django: Get list of model fields?
...answers are outdated I'll try to update you on Django 2.2
Here posts- your app (posts, blog, shop, etc.)
1) From model link: https://docs.djangoproject.com/en/stable/ref/models/meta/
from posts.model import BlogPost
all_fields = BlogPost._meta.fields
#or
all_fields = BlogPost._meta.get_fields()
No...