ronaldgreeff

#*-*encoding: utf-8*-*
from peewee import *
import os, sys, io
import re
import pickle, json
import csv
import time
import urllib
from datetime import datetime
from urllib.parse import urlparse

ronaldgreeff

$ docker-compose -f docker-compose.yml -f docker-compose.development.yml build
$ docker-compose -f docker-compose.yml -f docker-compose.development.yml up

ronaldgreeff

    var productTabs = document.getElementById('products');
    var tabs = productTabs.querySelectorAll('li');
    var l = tabs.length
    var delay = 5000
    var i = 0

    function cycle() {
      setTimeout(function() {
        tabs[i].firstElementChild.click();
        i++;

ronaldgreeff

// for loops are the most performant, but these methods are useful given specific tasks

const items = [
	{ name: 'Bike',			price: 100	},
	{ name: 'TV',				price: 200	},
	{ name: 'Album',		price: 10		},
	{ name: 'Book',			price: 5		},
	{ name: 'Phone',		price: 500	},
	{ name: 'Computer',	price: 1000	},
	{ name: 'Keyboard',	price: 25		},

ronaldgreeff

class MetaInfo(models.Model):
    AVAILABLE_DATATYPES = (('int', 'Integer'),
                           ('floa', 'float'),
                           ('str', 'string'),)

    key = models.CharField(max_length=25)
    value = models.CharField(max_length=100)
    datatype = models.CharField(max_length=4, choices=AVAILABLE_DATATYPES, default='int')
    description = models.CharField(max_length=200)

ronaldgreeff

$( document ).ready()

document.addEventListener('DOMContentLoaded', function() {});

ronaldgreeff

nCols = 4;

for (var c=0; c<nCols; c++) {

    iStart = (c/nCols).toFixed(1)
    iEnd = ( (c+1) /nCols).toFixed(1)

    console.log(
        iStart, iEnd
    )

ronaldgreeff

JavaScript Wildcard
- doesn't exist, but can use starts with and ends with:

elem = document.querySelectorAll('form[id^="form"][id$="-s"]');

queryselector mathcing one id but excluding the other
document.querySelectorAll('[id^="primary_container"]:not([id="primary_container-__prefix__"])')

ronaldgreeff

# note that in __init__ method, I have updated an HTML class attribute with form-control to every field of the 
# form so that Bootstrap gets enabled on every field.

from .models import Friend
from django import forms
import datetime

class FriendForm(forms.ModelForm):
    ## change the widget of the date field.
    dob = forms.DateField(

ronaldgreeff

Tar is an archiving utility in Linux. Extract various archived files in Linux using this utility.
Type the following commands in terminal (Keyboard short cut: Ctrl+Alt+T in Ubuntu):

Extracting .tar.bz2:
tar xvjf filename.tar.bz2 location
Extracting .tar.gz:
tar xvzf filename.tar.gz location

Where:
x — extract