sindresorhus

Pure ESM package

The package that linked you here is now pure ESM. It cannot be require()'d from CommonJS.

This means you have the following choices:

1. Use ESM yourself. (preferred)
   Use import foo from 'foo' instead of const foo = require('foo') to import the package. You also need to put "type": "module" in your package.json and more. Follow the below guide.
2. If the package is used in an async context, you could use await import(…) from CommonJS instead of require(…).
3. Stay on the existing version of the package until you can move to ESM.

joshsalverda

import {useCallback, useRef, useEffect} from 'react'
import {useField, useFormikContext} from 'formik'
import update from 'immutability-helper'

const useFieldArray = props => {
  const [field, meta] = useField(props)
  const fieldArray = useRef(field.value)
  const {setFieldValue} = useFormikContext()

  useEffect(() => {

abranhe

Convert Java Executable to Linux Executable

Introduction

Java program is universal and applicable to most operating systems, but if someone intends to create a native executable binary file for certain operation system, is that possible?

The answer is yes. Here is the instruction to create an executable program for Linux with .run as its extension name.

Create a text file use your favorite text editor (In this case it is gedit) and type these code below:

abranhe

import java.lang.Math;

public class Main {

    public static double inverseSqrt5 = 1 / Math.sqrt(5);
    public static double phi = (1 + Math.sqrt(5)) / 2;

    public static int fibonacci(int n) {
        return (int)Math.floor(Math.pow(phi, n) * inverseSqrt5 + 0.5);
    }

jamesreggio

// EmailInput wraps an HTML `input` and adds some app-specific styling.
const EmailInput = React.forwardRef((props, ref) => (
  <input ref={ref} {...props} type="email" className="AppEmailInput" />
));

class App extends Component {
  emailRef = React.createRef();

  render() {
    return (

rahman541

ES6 Setup

npm init -y
npm i --save-dev nodemon
npm add babel-preset-env babel-cli

Create a .babelrc config in your project root. Insert the following

{
 "presets": ["env"]

Jonalogy

Handling Multiple Github Accounts on MacOS

The only way I've succeeded so far is to employ SSH.

Assuming you are new to this like me, first I'd like to share with you that your Mac has a SSH config file in a .ssh directory. The config file is where you draw relations of your SSH keys to each GitHub (or Bitbucket) account, and all your SSH keys generated are saved into .ssh directory by default. You can navigate to it by running cd ~/.ssh within your terminal, open the config file with any editor, and it should look something like this:

Host *
 AddKeysToAgent yes

> UseKeyChain yes

joshbuchea

Semantic Commit Messages

See how a minor change to your commit message style can make you a better programmer.

Format: <type>(<scope>): <subject>

<scope> is optional

Example

egmontkob

Hyperlinks (a.k.a. HTML-like anchors) in terminal emulators

[ Update 2020-05-31: I won't be maintaining this page or responding to comments anymore (except for perhaps a few exceptional occasions). ]

---

Most of the terminal emulators auto-detect when a URL appears onscreen and allow to conveniently open them (e.g. via Ctrl+click or Cmd+click, or the right click menu).

It was, however, not possible until now for arbitrary text to point to URLs, just as on webpages.

coco-napky

module.exports = {
  config: {
    // default font size in pixels for all tabs
    fontSize: 12,

    // font family with optional fallbacks
    fontFamily: 'Menlo, "DejaVu Sans Mono", Consolas, "Lucida Console", monospace',

    // terminal cursor background color and opacity (hex, rgb, hsl, hsv, hwb or cmyk)
    cursorColor: 'rgba(248,28,229,0.8)',