Yazazzello Yazazzello

This is a quick guide to Kotlin programming language. The previous part of this guide is here

#Object Oriented

fun main(args : Array<String>) {
  class local (val x : Int)
  
  val y = local(10)
 println("${y.x}")

#Intro

Kotlin is a new programming language for the JVM. It produces Java bytecode, supports Android and generates JavaScript. The latest version of the language is Kotlin M5.3

Kotlin project website is at kotlin.jetbrains.org.

All the codes here can be copied and run on Kotlin online editor.

Let's get started.

Default

Powerlevel10k

Android Recyclerview GridLayoutManager column spacing Here is the question, the first answer does not work well in my project,and it makes the spacing bigger between item and item. the second answer is quite perfect.But if RecyclerView has headers,it does not work well. Then I fixed it.

import android.graphics.Rect;
import android.support.v7.widget.RecyclerView;
import android.view.View;

/**

	/**
	* An example of adding these transitions to a Fragment. This simple
	* version just applies opposite transitions to any Fragment whether it is
	* entering or exiting view. You can also inspect the transit mode parameter
	* (i.e. TRANSIT_FRAGMENT_OPEN, TRANSIT_FRAGMENT_CLOSE) in combination to do
	* different animations for, say, adding a fragment versus popping the back stack.
	*
	* Transactions without an explicit transit mode set, in this example, will not
	* animate. Allowing the initial fragment add, for example, to simply appear.
	*/

	/*
	* Copyright (C) 2014 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software

	// on error the server sends JSON
	/*
	{ "error": { "data": { "message":"A thing went wrong" } } }
	*/

	// create model classes..

	public class ErrorResponse {
	Error error;

	#!/bin/bash
	#####################################################
	# Name: Bash CheatSheet for Mac OSX
	#
	# A little overlook of the Bash basics
	#
	# Usage:
	#
	# Author: J. Le Coupanec
	# Date: 2014/11/04

	#!/bin/bash

	# Quinn Comendant <quinn@strangecode.com>
	# https://gist.github.com/quinncomendant/3be731567e529415d5ee
	# Since 25 Jan 2015
	# Version 1.2.2

	# q 13942 0.0 0.3 4408332 22096 ?? SN 7:32PM 0:00.27 /Applications/OpenDNS Roaming Client/RoamingClientMenubar.app/Contents/MacOS/RoamingClientMenubar
	# nobody 13937 0.0 0.1 4296740 5164 ?? Ss 7:31PM 0:00.06 /usr/local/sbin/dnscrypt-proxy --user nobody --local-address=127.0.0.1:53 --plugin=libdcplugin_erc.so -d
	# root 13903 0.0 0.2 4366308 13752 ?? SNs 7:31PM 0:00.25 /Library/Application Support/OpenDNS Roaming Client/dns-updater

	<?xml version="1.0" encoding="utf-8"?><!--
	~ Copyright (C) 2015 The Android Open Source Project
	~
	~ Licensed under the Apache License, Version 2.0 (the "License");
	~ you may not use this file except in compliance with the License.
	~ You may obtain a copy of the License at
	~
	~ http://www.apache.org/licenses/LICENSE-2.0
	~
	~ Unless required by applicable law or agreed to in writing, software