koyanloshe

// Tag can be string or a function if we parse the functional component 
type Tag = string | ((props: any, children: any[]) => JSX.Element);

// Attributes of the element – object or null
type Props = Record<string, string> | null;
  
// Element children – return value from the h()
type Children = (Node | string)[];
  
export const h = (tag: Tag, props: Props, ...children: Children) => {

koyanloshe

import pandas as pd
import numpy as np
from itertools import cycle
def generate_fake_dataframe(size, cols, col_names = None, intervals = None, seed = None):
    
    categories_dict = {'animals': ['cow', 'rabbit', 'duck', 'shrimp', 'pig', 'goat', 'crab', 'deer', 'bee', 'sheep', 'fish', 'turkey', 'dove', 'chicken', 'horse'],
                       'names'  : ['James', 'Mary', 'Robert', 'Patricia', 'John', 'Jennifer', 'Michael', 'Linda', 'William', 'Elizabeth', 'Ahmed', 'Barbara', 'Richard', 'Susan', 'Salomon', 'Juan Luis'],
                       'cities' : ['Stockholm', 'Denver', 'Moscow', 'Marseille', 'Palermo', 'Tokyo', 'Lisbon', 'Oslo', 'Nairobi', 'Río de Janeiro', 'Berlin', 'Bogotá', 'Manila', 'Madrid', 'Milwaukee'],
                       'colors' : ['red', 'orange', 'yellow', 'green', 'blue', 'indigo', 'purple', 'pink', 'silver', 'gold', 'beige', 'brown', 'grey', 'black', 'white']
                      }

koyanloshe

Update June 2019

The patch described below may no longer be necessary. CloudFlare instructions here. Perl module JSON::Any may still be required, however, see comments.

Description

Dyn's free dynamic DNS service will be ending on Wednesday, May 7th, 2014.

CloudFlare, however, has a little known feature that will allow you to update your DNS records via API or a command line script called ddclient. This will

koyanloshe

// Create our server
var server;
server = http.createServer(function(req,res){
	// Set CORS headers
	res.setHeader('Access-Control-Allow-Origin', '*');
	res.setHeader('Access-Control-Request-Method', '*');
	res.setHeader('Access-Control-Allow-Methods', 'OPTIONS, GET');
	res.setHeader('Access-Control-Allow-Headers', '*');
	if ( req.method === 'OPTIONS' ) {
		res.writeHead(200);

koyanloshe

function readBytes(fd, sharedBuffer) {
    return new Promise((resolve, reject) => {
        fs.read(
            fd, 
            sharedBuffer,
            0,
            sharedBuffer.length,
            null,
            (err) => {
                if(err) { return reject(err); }

koyanloshe

const CHUNK_SIZE = 10000000; // 10MB
async function start() {
    const stream = fs.createReadStream('./file', { highWaterMark: CHUNK_SIZE });
    for await(const data of stream) {
       // do something with data 
    }
}
start();

koyanloshe

const CHUNK_SIZE = 10000000; // 10MB
const data = fs.readFileSync('./file');
for(let bytesRead = 0; bytesRead < data.length; bytesRead = bytesRead + CHUNK_SIZE) {
 // do something with data 
}

koyanloshe

Installing Postgres via Brew

Pre-Reqs

Brew Package Manager

In your command-line run the following commands:

1. brew doctor
2. brew update

koyanloshe

" Basic settings
set nocompatible                      " behave like vim, not old vi
set modelines=0                       " don't use modelines
set viminfo='20,\"50                  " use a viminfo file,...
set history=50                        " and limit history
set ruler                             " show the cursor position
set title                             " show title on the window
set autoread                          " reload file if changed outside vim
set autowrite                         " save file on some commands
set scrolloff=1                       " minimal no. of lines around cursor

koyanloshe

// create a bookmark and use this code as the URL, you can now toggle the css on/off
// thanks+credit: https://dev.to/gajus/my-favorite-css-hack-32g3
javascript: (function() {
	var elements = document.body.getElementsByTagName('*');
	var items = [];
	for (var i = 0; i < elements.length; i++) {
		if (elements[i].innerHTML.indexOf('* { background:#000!important;color:#0f0!important;outline:solid #f00 1px!important; background-color: rgba(255,0,0,.2) !important; }') != -1) {
			items.push(elements[i]);
		}
	}