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LINQ: Distinct values
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" view
Django filter versus get for single object?
... the party, but with Django 1.6 there is the first() method on querysets.
https://docs.djangoproject.com/en/dev/ref/models/querysets/#django.db.models.query.QuerySet.first
Returns the first object matched by the queryset, or None if there is no matching object. If the QuerySet has no ordering...
How do I run a rake task from Capistrano?
...f years later...
Have a look at capistrano's rails plugin, you can see at https://github.com/capistrano/rails/blob/master/lib/capistrano/tasks/migrations.rake#L5-L14 it can look something like:
desc 'Runs rake db:migrate if migrations are set'
task :migrate => [:set_rails_env] do
on primary f...
What is the maximum length of a valid email address?
...Task Force (IETF) that defines 254 characters as the limit. Located here - https://tools.ietf.org/html/rfc5321#section-4.5.3
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Most efficient way to convert an HTMLCollection to an Array
...nt, here is a jsfiddle that compares the performance of different methods. https://jsfiddle.net/qw9qf48j/
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Select2 dropdown but allow new values by user?
...ow
simply set tagging to true on the select options ?
tags: true
from https://select2.org/tagging
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How to check if a string is a valid JSON string in JavaScript without using Try/Catch
...ill work in most cases, not all cases.
Have a look around the line 450 in https://github.com/douglascrockford/JSON-js/blob/master/json2.js
There is a regexp that check for a valid JSON, something like:
if (/^[\],:{}\s]*$/.test(text.replace(/\\["\\\/bfnrtu]/g, '@').
replace(/"[^"\\\n\r]*"|true|fal...
Detecting input change in jQuery?
... the jQuery .val() method) won't fire any of the events above.
(Reference: https://api.jquery.com/change/).
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Getting reference to the top-most view/window in iOS application
...opmost view can rotate correctly with devices, please try this framework:
https://github.com/HarrisonXi/TopmostView
It supports iOS7/8/9.
Python list of dictionaries search
...for large amounts (thousands) of keys. Please see this graph I calculated: https://imgur.com/a/quQzv (method names see below).
All tests done with Python 3.6.4, W7x64.
from random import randint
from timeit import timeit
list_dicts = []
for _ in range(1000): # number of dicts in the list
...