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How to add multiple objects to ManyToMany relationship at once in Django ?
...dditional ways for adding to a many-to-many relationship.
Documentation: https://docs.djangoproject.com/en/dev/ref/models/relations/#django.db.models.fields.related.RelatedManager.set
set is a new nicety:
>>> new_list = [obj1, obj2, obj3]
>>> e.related_set.set(new_list)
...
data type not understood
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Add querystring parameters to link_to
...g.
<%= link_to 'Link', params.merge({:per_page => 20}) %>
see: https://stackoverflow.com/a/4174493/445908
Otherwise , check this answer: params.merge and cross site scripting
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i...
Adding data attribute to DOM
...
$(document.createElement("img")).attr({
src: 'https://graph.facebook.com/'+friend.id+'/picture',
title: friend.name ,
'data-friend-id':friend.id,
'data-friend-name':friend.name
}).appendTo(divContainer);
...
App Inventor 2 App上架国内应用市场完整指南 · App Inventor 2 中文网
...隐私政策”链接，用户可随时查看
隐私政策参考模板：https://www.fun123.cn/static/privacy_policy.html
二、隐私合规深度要求
隐私审核是上架过程中最严格的环节，仅有一个隐私政策页面还不够。
2.1 敏感权...
How should I write tests for Forms in Django?
...
https://docs.djangoproject.com/en/stable/topics/testing/tools/#django.test.SimpleTestCase.assertFormError
from django.tests import TestCase
class MyTests(TestCase):
def test_forms(self):
response = self.client.p...
How does “make” app know default target to build if no target is specified?
... top of your make file:
.PHONY: default
default: mytarget ;
References:
https://www.gnu.org/software/make/manual/html_node/How-Make-Works.html
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How to use Active Support core extensions
...
In my case the following link worked:
https://bundler.io/blog/2019/01/04/an-update-on-the-bundler-2-release.html
$ cat Gemfile.lock | grep -A 1 "BUNDLED WITH"
BUNDLED WITH
1.17.3
$ gem install bundler -v '1.17.3'
...
Storing Image Data for offline web application (client-side storage database)
...nt with XHR2-Lib by Phil Parsons, which is very much like JQUERY .ajax()
https://github.com/p-m-p/xhr2-lib
Storage
IndexedDB for IE and FireFox
Chrome: Polyfill (blob stored using FileSystem API, reference kept in IndexedDB) polyfill
A Must read article on "How the browsers store IndexedDB d...
Redis: possible to expire an element in an array or sorted set?
... the out of range elements, by reading only a range of scores.
More here: https://groups.google.com/forum/#!topic/redis-db/rXXMCLNkNSs
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