bradtraversy

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

sebastiano-guerriero

.flex {
    display: flex;

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

gaboratorium

// 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 {

slouma2000

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);
});

yoavniran

The Ultimate Unit Testing Cheat-sheet

---

• Sinon Chai
• Chai
• Sinon

nathansmith

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');

artschwagerb

from django import forms

from inventory.models import Computer

class ComputerForm(forms.ModelForm):

	class Meta:
		model = Computer

class ChromebookForm(forms.ModelForm):

dypsilon

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.

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jareware

⇐ 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

jasdeepkhalsa

// 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 });
})();