Our test environment and has shown signs of OOP

"Hey! White?" Lesson plans

Some students did not take into account the iPhone，Swift language learning but at least we will have OS X operating system，Our code shows will be completed in OS X，Using the CLI interface。So although it looks old and was，But believe me take the GUI make you worry a lot - because that is another matter。

So now，Let's say hello and OOP

We take a look，Developing with OOP in the end is what it looks like?

We are not taking into account the high level of development，So we put all the functions of real[……]

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How Swift 2.0 Declare an abstract class?

Swift

We all know that in Java declare an abstract class or method you want to use the abstract keyword，But unfortunately familiar things always gone，In Swift has no label。

Then，How should we declare an abstract class it?

Private constructor (initializer) Act

It actually makes a very familiar, right? Bar private constructor of that class certainly can not be initialized，Nature can not create an object instance ...... but ...... but how can there be so many，Anyway, it can be used on the line!
[crayon-67291[……]

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Programming Methodology Course Outline

"Hey! White?" Lesson plans

Haha! And we met again，The ten milk to give us a newProgramming Course！

This is the syllabus before programming methodology，I was very glad to do so a decision to throw in outline here：) Although the end of the course，But a separate reading this outline is a good choice，I will go back based on this update it，To accommodate the new live version of the programming methodology -

Foreword

The courses weAlreadyWith Karel This famous little robot as the breakthrough point，Karel solve the problem by teaching the process to become familiar with the programming development of thinking，Lets you quickly[……]

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Karel introduce this robot

Swift

Early in the 1970s，Stanford University graduate Rich Pattis think if we make the novice programmer in a relatively complex programming language,，Comparatively simple learning environment，Will contribute to the programming language teaching。This simple environment characterized by a variety of programming languages ​​from abstraction。So he designed such a program environment，Allow students to teach a robot to solve simple problems。This robot is Karel，It is named after a Czech writer Karel Capek, His sci-fi drama, in its 1921 R.U.R.(Ross[……]

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For my own use Swift 2 Wrote a rudimentary Karel Robot

Swift

Update it!

This update adds a branch，Goal is to create the "Next" function，In addition to repair the ugly side of the white block interface!

Currently no more modifications，run.swift file more refreshing，No more double thread it!

With an array of state of static storage Karel，Thanks for the banana king!

Adjust the speed of the great dream is within reach!?

 

Write the software I spent a total of 11 hours，Intermediate pit live countless times。And now I do not know why so real[……]

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Exception in thread “main” java.lang.ArrayIndexOutOfBoundsException: 0

Java

When you learn Java，Some details of the small problems tend to be very confusing，When in receive parameters, for example。

If your program needs to receive arguments in order to run，And you did not give the default parameters，That can cause this error：

For example, your code is：

When you need to run the program at this point passed in the parameter。It's not difficult，The hard part is in ecl[……]

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SARFT ban vulgar reality show：Boycott and show off their wealth over the star

News

Yesterday，Light Ding Bureau officially issued the "Notice on Strengthening Management of the reality show"。The circular points out，Hot nowadays reality show mostly interesting and "meaningless"。It is not a good guide social values ​​of the public ......

Alas，Light Ding finally do a piece of Personnel，Speaking of reality show，I thought of that sucker 20 beauty review see monkey ..................[……]

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Rich text annotations in the Playground

Swift

In Xcode 7 among，Playground allows us to use Markdown syntax similar to rich text format code has comments，Now，We will briefly explain how the text rich text notes。

How to edit rich text annotations

Open your Xcode 7，In the Playground，Editor select the menu bar > Show Raw Markup to allow rich text annotations displayed as plain text mode，So that they can become the editor。This step again[……]

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