| def adj(g): | |
| """ | |
| Convert a directed graph to an adjacency matrix. | |
| Note: The distance from a node to itself is 0 and distance from a node to | |
| an unconnected node is defined to be infinite. | |
| >>> g = {1: {2: 3, 3: 8, 5: -4}, |
| # get into the master branch | |
| git checkout master | |
| # create a new branch for the changes and check it out | |
| git checkout -b dev_branch | |
| # stash the changes until we revert master | |
| git stash | |
| # go back to master |
| // Needed in AndroidManifest: | |
| <!-- Permission for using NFC hardware --> | |
| <uses-permission android:name="android.permission.NFC"/> | |
| <!-- Forcing device to have NFC hardware --> | |
| <uses-feature android:name="android.hardware.nfc" android:required="true"/> | |
| <!-- Registering app for receiving NFC's TAG_DISCOVERED intent --> | |
| <intent-filter> | |
| <action android:name="android.nfc.action.TAG_DISCOVERED"/> | |
| <category android:name="android.intent.category.DEFAULT"/> | |
| </intent-filter> |
#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.
Press minus + shift + s and return to chop/fold long lines!
| var mediaJSON = { "categories" : [ { "name" : "Movies", | |
| "videos" : [ | |
| { "description" : "Big Buck Bunny tells the story of a giant rabbit with a heart bigger than himself. When one sunny day three rodents rudely harass him, something snaps... and the rabbit ain't no bunny anymore! In the typical cartoon tradition he prepares the nasty rodents a comical revenge.\n\nLicensed under the Creative Commons Attribution license\nhttp://www.bigbuckbunny.org", | |
| "sources" : [ "http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4" ], | |
| "subtitle" : "By Blender Foundation", | |
| "thumb" : "images/BigBuckBunny.jpg", | |
| "title" : "Big Buck Bunny" | |
| }, | |
| { "description" : "The first Blender Open Movie from 2006", | |
| "sources" : [ "http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/ElephantsDream.mp4" ], |
| import android.content.Context; | |
| import android.content.res.TypedArray; | |
| import android.graphics.Canvas; | |
| import android.graphics.Rect; | |
| import android.graphics.drawable.Drawable; | |
| import android.support.v7.widget.LinearLayoutManager; | |
| import android.support.v7.widget.RecyclerView; | |
| import android.util.AttributeSet; | |
| import android.view.View; |
| /* | |
| * Copyright 2015 Uwe Trottmann | |
| * | |
| * 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 |
| Note for me to remember how to set Android Home on Mac | |
| Open Terminal and type in.. | |
| nano ~/.bash_profile | |
| Add the below paths | |
| The path should be where your android installation is located | |
| export ANDROID_HOME=/Users/username/Library/Android/sdk | |
| export PATH=${PATH}:$ANDROID_HOME/tools:$ANDROID_HOME/platform-tools | |
| Save file and type in terminal... | |
| source ~/.bash_profile |
| package com.example; | |
| import android.content.Context; | |
| import android.support.v7.widget.GridLayoutManager; | |
| import android.support.v7.widget.RecyclerView; | |
| import android.util.AttributeSet; | |
| import android.view.ViewGroup; | |
| public class SpanningGridLayoutManager extends GridLayoutManager { | |