christianwish

$$\mathbb{N} = \{ 1,2, \dots\}$$

$$\mathbb{Z} = \{ \dots -2, -1, 0, 1,2, \dots\}$$

$$\mathbb{Q} = \{ x | x = \frac{m}{n} | m,n\in \mathbb{N}, n \neq 0\}$$

christianwish

import * as React from 'react';

export const useIsMounted = (): boolean => {
    const [isMounted, setIsMounted] = React.useState(false);
    React.useEffect(() => setIsMounted(true), []);

    return isMounted;
};

christianwish

const [a, b, c] = [await aPromise, await bPromise, await cPromise];

christianwish

enum DocStatus {
    OPEN = "OPEN",
    WON = "WON",
    DRAFT = "DRAFT",
    OVERDUE = "OVERDUE",
    CANCELED = "CANCELED",
};

interface Doc {
    readonly id: string,

christianwish

import React, { useEffect, useState } from 'react';
import { usePromiseEffect } from './usePromiseEffect';

const ToggleMount = () => {
    const [fetched, setFetched] = useState(false);

    const callbacks = {
        resolve: (res) => {
            setFetched(true);
        },

christianwish

# append changes to last commit
git config --global alias.append 'commit --amend --no-edit'

# print current branch name
git config --global alias.current 'rev-parse --abbrev-ref HEAD'

# fetch develop and merge in current branch
git config --global alias.goodmorning '!git fetch origin ${1-develop} && git merge origin/${1-develop}'

# delete all local branches but nor [BranchName] (default is develop)

christianwish

git config --global alias.current 'rev-parse --abbrev-ref HEAD'

# get current branch name
rev-parse --abbrev-ref HEAD

git branch | grep \* | cut -d ' ' -f2

christianwish

const compose = (...fns) => x => fns.reduce((v, f) => f(v), x);
const all = xs => xs.reduce((acc, x) => ((!x) ? x : acc), true);
const any = xs => xs.reduce((acc, x) => (x || acc), false);
const not = x => !xs;

christianwish

import System.Environment
import Data.List

type AttrName = String
type AttrVal = String
newtype TagName = TagName String deriving (Show)

data Attr = Attr AttrName AttrVal

listToStr :: (Show a) => [a] -> String

christianwish

module Main where

    import System.Environment

    grey = "\x1b[2m"
    noColor = "\x1b[0m"

    replLine 0 = (grey ++ "> Hi!" ++ noColor)
    replLine _ = (grey ++ ">" ++ noColor)