psenger

import React from "react";

function someResponsiveComponent() {
    const {height,width} = windowResizeEventListener();
    return (
        <p>
            The window <span>height = {height}</span><span>width = {width}</span>
        </p>
    );
}

psenger

All are adopted from 8 Awesome React Hooks by Simon Holdorf

Found this link as well and have added some here ReactJS Hooks

10 React Hooks Explained

psenger

#!/usr/local/bin/node
#!/usr/bin/env node

const add = ( first, second ) => {
  return parseInt( first ) + parseInt( second );
}

/**
allows the javascript to be executed like this
 [14:08:27]/tmp $ ./add.js 1 2

psenger

const {prefix} = require('../config.json');

/**
 * Usage string template.
 */
const usage = '<artifact quantity> <artifact level> <mention buyer>';

/**
 * The Agree Message
 * @param {string} seller - the Seller's name

psenger

How to merge two dictionaries in Python with the ** operator

The ** operator adds key-value pairs to the new dict.. its that simple.

a = dict()
b = dict()

a[1] = { id:1, 'name': 'bob' }
a[2] = { id:2, 'name': 'larry' }

psenger

from discord.utils import get

@client.command(pass_context=True)
async def giverole(ctx, member: discord.Member, *, role: discord.Role):
  check_role = get(ctx.message.server.roles, name='Board of Executives')
  if check_role not in member.roles:
    await client.say(f"You don't have the role '{str(role)}'")
  else:
    await client.add_roles(member, role)
    await client.say(f"The role '{str(role)}' has been given to {member.mention}.")

psenger

const not = val => !val;
// How to parameterize describe in jest
describe("index", () => {
  describe.each([
      ['boolean', true, false],
      ['boolean', false, true],
      ['number', 0, true],
      ['number', 1, false],
      ['number', 999, false],
      ['number', -1, false],

psenger

const warnConsole = jest.spyOn(console, "warn").mockImplementation(() => {});
const errorConsole = jest.spyOn(console, "error").mockImplementation(() => {});
const infoConsole = jest.spyOn(console, "info").mockImplementation(() => {});

expect(warnConsole).toBeCalledWith('...');
expect(errorConsole).toBeCalledWith('...');
expect(infoConsole).toBeCalledWith('...');

expect(warnConsole).not.toHaveBeenCalled();
expect(errorConsole).not.toHaveBeenCalled();

psenger

/**
 * mask values from an object (inverse of pluck).
 * @param {Object} [obj={}] - an Object, null and undefined return an empty obj literal.
 * @param {[String]} [keys=[]] - an array of keys to mask/remove from the object.
 * @return {Object}
 */
const mask = (obj = {}, keys = []) => Object.keys(obj).reduce((ac, key) => {
    ac[key] = (keys.some((p)=>(p===key))) ? void 0 : obj[key];
    return ac;
}, {});

psenger

ERR_TLS_CERT_ALTNAME_INVALID indicates self signed TLS error.

Obsured by the following where xxxx.xxx.com can be a variety of host names.

Hostname/IP does not match certificate's altnames: Host: localhost. is not in the cert's altnames: DNS:xxxx.xxx.com\",\"cause\":{\"reason\":\"Host: localhost. is not in the cert's altnames: DNS:xxxx.xxx.com,

Option one