| class MyClass { | |
| static final MyClass _singleton = new MyClass._internal(); | |
| factory MyClass() { | |
| return _singleton; | |
| } | |
| MyClass._internal() { | |
| ... // initialization logic here | |
| } |
| /* | |
| * Copyright (C) 2013 Square, Inc. | |
| * | |
| * 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 |
#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.
| #! /bin/bash | |
| # build the environment | |
| mkdir tessenv; cd tessenv | |
| TROOT=`pwd` | |
| mkdir $TROOT/stockfonts; mkdir $TROOT/build; mkdir $TROOT/build/eng | |
| echo "Environment built" | |
| # Get the stock english fonts from Google (old, but they work) | |
| cd $TROOT/stockfonts | |
| GET http://tesseract-ocr.googlecode.com/files/boxtiff-2.01.eng.tar.gz > boxtiff-2.01.eng.tar.gz |
| package edu.wwu.cs412.tvfanatic; | |
| import edu.wwu.cs412.tvfanatic.account.AccountPreferenceActivity; | |
| import android.app.Activity; | |
| import android.app.FragmentTransaction; | |
| import android.app.SearchManager; | |
| import android.app.FragmentManager.BackStackEntry; | |
| import android.content.Context; | |
| import android.content.Intent; | |
| import android.content.SharedPreferences; |
| /** | |
| * Process an array of data synchronously. | |
| * | |
| * @param data An array of data. | |
| * @param processData A function that processes an item of data. | |
| * Signature: function(item, i, callback), where {@code item} is the i'th item, | |
| * {@code i} is the loop index value and {@code calback} is the | |
| * parameterless function to call on completion of processing an item. | |
| */ | |
| function doSynchronousLoop(data, processData, done) { |
| /** | |
| * TaskRepository class deals with task persistence | |
| */ | |
| function TaskRepository() { | |
| this.tasks = []; | |
| this.nextId = 1; | |
| } | |
| /** | |
| * Find a task by id | |
| * Param: id of the task to find |
| <key>Customized</key> | |
| <dict> | |
| <key>Delete Line</key> | |
| <string>selectLine:, deleteBackward:</string> | |
| <key>Duplicate Lines</key> | |
| <string>selectLine:, copy:, moveToEndOfLine:, insertNewline:, paste:, deleteBackward:</string> | |
| <key>Duplicate Current Line</key> | |
| <string>moveToBeginningOfLine:, deleteToEndOfLine:, yank:, insertNewline:, moveToBeginningOfLine:, yank:</string> | |
| </dict> |
o.......Open files, directories and bookmarks....................|NERDTree-o|
go......Open selected file, but leave cursor in the NERDTree.....|NERDTree-go|
t.......Open selected node/bookmark in a new tab.................|NERDTree-t|
T.......Same as 't' but keep the focus on the current tab........|NERDTree-T|
i.......Open selected file in a split window.....................|NERDTree-i|
gi......Same as i, but leave the cursor on the NERDTree..........|NERDTree-gi|
s.......Open selected file in a new vsplit.......................|NERDTree-s|
gs......Same as s, but leave the cursor on the NERDTree..........|NERDTree-gs|
O.......Recursively open the selected directory..................|NERDTree-O|