ganapativs

• Install iTerm2 from https://www.iterm2.com/
• Install oh-my-zsh from https://ohmyz.sh/ or https://github.com/robbyrussell/oh-my-zsh
• Set iTerm2 theme tab theme to Dark - Preferences | Appearance | Tabs | Theme > Dark
• Install Fira Code fonts from https://github.com/tonsky/FiraCode (Clone and navigate to dstr > ttf, install all font files by double clicking)
• Install Powerline fonts from https://github.com/powerline/fonts
• Set fonts for iTerm2 - Preferences | Profiles | Text
  • Change Font to 14pt Fira code regular and Check Use Ligatures checkbox
  • Change Non ASCII Font to 14pt Fira mono and Check Use Ligatures checkbox
• Install iTerm2 snazzy theme from https://github.com/sindresorhus/iterm2-snazzy
  • Navigate to Preferences | Profiles | Color Presets > Snazzy

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

bastman

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

SebastianHGonzalez

import { useState, useEffect } from "react";
import { useRouter } from "next/router";

type IParam = string;
type IValue = string | string[] | number | number[] | null | undefined;
type IState = { [k: string]: IValue };
type IQuery = IState;
type IRoute = string;

function isEmpty(value: IValue): boolean {

simonorzel26

// Install vercel cli 
// npm i -g vercel
// log into vercel cli then run this file

const { exec } = require("child_process");

exec("vercel project ls", (error, stdout, stderr) => {
    if (error) {
        console.log(`error: ${error.message}`);
        return;

marvinhagemeister

/* eslint-disable no-unused-vars */
/* eslint-disable no-else-return */

// JSX constructor, similar to createElement()
export const h = (type, props, ...children) => {
	return {
		type,
		// Props will be an object for components and DOM nodes, but a string for
		// text nodes
		props,

Moelf

Numpy is absurd

HN Discussion

I always gripe about Python not having useful (i.e. performant and with adoption) built-in array type and Numpy doesn't distinguish "vector of vector" from "matrix", but this still surprised me.

in is actually intersect?

It seems that Numpy uses intersect logic to check a in b:

iamtmrobinson

import * as React from 'react';
import {
  Field as FormField,
  InjectedFormProps,
  reduxForm,
} from 'redux-form';

interface CustomProps {
  customText: string;
}

mauricedb

import { useState } from 'react';

export function useCounter(initial = 0) {
  const [count, setCount] = useState(initial);

  return [count, () => setCount(count + 1)];
}

lfades

/**
 * server/dataSources/Auth.js
 * Auth implementation, it's not really a dataSource so it doesn't need to be here
 */
const { authenticate, createJwt } = require('../lib/passport');
const { ON_HTTPS } = require('../configs');

const ONE_MINUTE = 1000 * 60;
const ONE_DAY = ONE_MINUTE * 60 * 24;
const ONE_MONTH = ONE_DAY * 30;