Kim Petersen kimpetersend1

Django 2.x Cheat Sheet

Creating a virtual environment

We need to create a virtual env for our app to run in: More Here Run this command in whatever folder you want to create your venv folder

python -m venv ./venv

The Ultimate Unit Testing Cheat-sheet

Sinon Chai
Chai
Sinon

Frontend Development

Attention: the list was moved to

https://github.com/dypsilon/frontend-dev-bookmarks

This page is not maintained anymore, please update your bookmarks.

⇐ back to the gist-blog at jrw.fi

Advanced SCSS

Or, 16 cool things you may not have known your stylesheets could do. I'd rather have kept it to a nice round number like 10, but they just kept coming. Sorry.

I've been using SCSS/SASS for most of my styling work since 2009, and I'm a huge fan of Compass (by the great @chriseppstein). It really helped many of us through the darkest cross-browser crap. Even though browsers are increasingly playing nice with CSS, another problem has become very topical: managing the complexity in stylesheets as our in-browser apps get larger and larger. SCSS is an indispensable tool for dealing with this.

This isn't an introduction to the language by a long shot; many things probably won't make sense unless you have some SCSS under your belt already. That said, if you're not yet comfy with the basics, check out the aweso

	.flex {
	display: flex;

	.align-center {
	margin: auto;
	align-self: center;
	}

	.align-left {
	margin-right: auto;

	// Forked from https://codepen.io/gapcode/pen/vEJNZN

	// Get IE or Edge browser version
	var version = detectIE();

	if (version === false) {
	document.getElementById('result').innerHTML = '<s>IE/Edge</s>';
	} else if (version >= 12) {
	document.getElementById('result').innerHTML = 'Edge ' + version;
	} else {

	Vue.filter('limit', function(array, length) {
	var limitCount = parseInt(length, 10);
	if (limitCount <= 0) {
	("development") !== 'production' && _.warn(
	'The limit filter requires an argument defining the limit count.'
	);
	return array;
	}
	return array.slice(0, limitCount);
	});

	window.onscroll = function() {
	var d = document.documentElement;
	var offset = d.scrollTop + window.innerHeight;
	var height = d.offsetHeight;

	console.log('offset = ' + offset);
	console.log('height = ' + height);

	if (offset >= height) {
	console.log('At the bottom');

	from django import forms

	from inventory.models import Computer

	class ComputerForm(forms.ModelForm):

	class Meta:
	model = Computer

	class ChromebookForm(forms.ModelForm):

	// Long Polling (Recommened Technique - Creates An Open Connection To Server ∴ Fast)
	(function poll(){
	$.ajax({ url: "server", success: function(data){
	//Update your dashboard gauge
	salesGauge.setValue(data.value);
	}, dataType: "json", complete: poll, timeout: 30000 });
	})();