aliyome

Reactive Form sample

<textarea [formControl]="formControl" [maxlength]="length">
<span *ngIf="formControl.dirty"> dirty </span>
<button [disabled]="formControl.invalid">submit</button>

Custom Validator

aliyome

// https://rxviz.com/v/7J2laXyo
var a = Rx.Observable
.interval(500)
.take(6)
.groupBy(x => x %2 === 0)

var b = a.flatMap(x => x)
var bb = a.mergeAll()
var sw = a.switchMap(x => x)
var exh = a.exhaustMap(x => x)

aliyome

Redux(ngrxの流れ)

sequenceDiagram

participant Component
participant Action
participant Reducer
participant Store
participant Effect

aliyome

import std.stdio;
import std.traits;
import std.range;
import std.array;
import std.algorithm;
import core.sync.mutex;

class A {
	private int private_field;
	public string public_field;

aliyome

Imports System.Runtime.InteropServices

Module Module1

    ' int hoge(int val) { return val; }
    <DllImport("ConsoleApplication2.dll", CallingConvention:=CallingConvention.Cdecl)>
    Public Function hoge(val As Int32) As Int32
    End Function

    ' int foo(int* val) { *val = *val + 200; return val; }

aliyome

Rails概要 10%

• Railsの各コンポーネント(ActiveRecordやActionPack)の説明や、MVCにおける基礎的な知識
  • ActiveRecord
  • ActionPack
    • Action Dispatch
    • Action Controller
  • Active Support Core Extensions
    • blank? false, nil, 空白, 空の配列, 空のハッシュ, empty?
    • present?

• presence nil or 実体

aliyome

import std.stdio;
import std.string : strip, toLower, format;
import std.conv : to;
import std.regex : ctRegex, matchFirst;
import std.file : readText;

import pegged.grammar;

mixin(grammar(`
	Air:

aliyome

import std.stdio, std.datetime, std.conv;
void main() {
  auto t = Clock.currTime();
  auto c = t.endOfMonth.day;
  auto o = new Date(t.year, t.month, 1).dayOfWeek.to!int;
  foreach (i; 0 .. o) {
  	write("   ");
  }
  foreach (i; 1 .. c + 1) {
    writef("%2d", i);

aliyome

import std.stdio;
import std.string;
import std.array;
import pegged.grammar;
import markdown;

mixin(grammar(MarkdownGrammar));

void main() {
	auto doc = Markdown(sampleMd).children.front;

aliyome

import std.stdio    : write, writef, writeln;
import std.datetime : Clock, Date;
import std.conv     : to;

void main() {
	auto t = Clock.currTime();
	auto count = t.endOfMonth.day;
	auto offset = new Date(t.year, t.month, 1).dayOfWeek.to!int;

	foreach (i; 0 .. offset) {