larryyangsen

Strings

`String.prototype.*`

None of the string methods modify this – they always return fresh strings.

charAt(pos: number): string ^ES1

Returns the character at index pos, as a string (JavaScript does not have a datatype for characters). str[i] is equivalent to str.charAt(i) and more concise (caveat: may not work on old engines).

This content moved here: https://exploringjs.com/impatient-js/ch_arrays.html#quickref-arrays

Note: This post is a summary of information paraphrased from an excellent blog post by Christian Sepulveda.

Prerequisites

Instructions

Create the app and download the necessary dependencies.

Introduction

This is about documenting getting Linux running on the late 2016 and mid 2017 MPB's; the focus is mostly on the MacBookPro13,3 and MacBookPro14,3 (15inch models), but I try to make it relevant and provide information for MacBookPro13,1, MacBookPro13,2, MacBookPro14,1, and MacBookPro14,2 (13inch models) too. I'm currently using Fedora 27, but most the things should be valid for other recent distros even if the details differ. The kernel version is 4.14.x (after latest update).

The state of linux on the MBP (with particular focus on MacBookPro13,2) is also being tracked on https://github.com/Dunedan/mbp-2016-linux . And for Ubuntu users there are a couple tutorials (here and here) focused on that distro and the MacBook.

Note: For those who have followed these instructions ealier, and in particular for those who have had problems with the custom DSDT, modifying the DSDT is not necessary anymore - se

Office Web Apps Viewer

('.ppt' '.pptx' '.doc', '.docx', '.xls', '.xlsx')

http://view.officeapps.live.com/op/view.aspx?src=[OFFICE_FILE_URL]

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10 JavaScript Terms You Should Know

From currying to closures there are quite a number of special words used in JavaScript. These will not only help you increase your vocabulary but also better understand JavaScript. Special terms are normally found in documentation and technical articles. But some of them like closures are pretty standard things to know about. Knowing what the word itself means can help you know the concept it's named for better.

Arity
Anonymous
Closure
Currying
Hoisting
Mutation

	// create context with no upfront defaultValue
	// without having to do undefined check all the time
	function createCtx<A>() {
	const ctx = React.createContext<A \| undefined>(undefined)
	function useCtx() {
	const c = React.useContext(ctx)
	if (!c) throw new Error("useCtx must be inside a Provider with a value")
	return c
	}
	return [useCtx, ctx.Provider] as const

 import React, { Component, createContext }  from 'react'
 function initStore(store) {
     const Context = createContext();
     class Provider extends React.Component {
         constructor() {
             super();
             this.state = store.initialState;
         }

	package main

	import (
	"encoding/base64"
	"fmt"
	rand "math/rand"
	"time"

	"github.com/gin-gonic/gin"

	var spawnSync = require('child_process').spawnSync;

	function hasSchedulingIntent(email) {
	// Convert email object into a one-line text similar to our fastText training samples.
	let text = email.textBody \|\| email.strippedHtmlBody \|\| '';
	text = 'SUBJECT: ' + (email.subject \|\| '') + ' ' + text;
	text = text.replace(/\n/g, ' ');

	// Call the fastText binary and return true or false depending on its output.
	var resp = spawnSync(