serjKim

create table #rows (id uniqueidentifier, value varchar(10))

insert into #rows
values	('11111111-1111-1111-1111-111111111111', 'a'),
	('22222222-2222-2222-2222-222222222222', 'b'),
	('11111111-1111-1111-1111-111111111111', 'c'),
	('22222222-2222-2222-2222-222222222222', 'd'),
	('11111111-1111-1111-1111-111111111111', 'e'),
	('33333333-3333-3333-3333-333333333333', 'f'),

serjKim

import 'reflect-metadata';

type MyDecObj = {a: number};

const myDecKey = Symbol('design:myDec')

function MyDec(obj: MyDecObj) {
    return Reflect.metadata(myDecKey, obj);
}

serjKim

1. add app.json, set the newest sdkVersion

{
  "name": "<yourname>",
  "displayName": "<yourname>",
  "expo": {
    "sdkVersion": "25.0.0"
  }
}

serjKim

private ref: Ref<ScrollView & Component<ScrollViewProps>> = (instance) => {
  this.scrollView = instance;
}

serjKim

type F<'a> = F of 'a

module Functor =
    // Def
    // map : f:('a -> 'b) -> F<'a> -> F<'b>
    let map f (F x) = F (f x)

    let x = F 123
   

serjKim

open System

type EmployeeEmail = 
    | Email of string
    | Invalid of string list

let bind f x = 
    match x with
    | Email x -> f x
    | Invalid m -> Invalid m

serjKim

CREATE TABLE #MyLocks
(
	hash VARCHAR(50),
	age int,
)

ALTER TABLE #MyLocks
ADD UNIQUE (hash)
 

serjKim

{
    // Use IntelliSense to learn about possible attributes.
    // Hover to view descriptions of existing attributes.
    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
        {
            "type": "node",
            "request": "launch",
            "name": "Launch Webpack",

serjKim

@echo Deleting old branches...
git branch --merged develop | grep -v 'develop$' | xargs git branch -d

serjKim

let inline (|HasLength|) x = 
  fun () -> (^a: (member Length: int) fst x)

let inline (|HasMethod|) x = 
  fun () -> (^a: (member Method: int with get) snd x)

let inline length (HasLength f1 & HasMethod f2) = 
    let a = f1()
    let b = f2()
    a + b