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Last updated on 2015-10-31

About the Book



Ethereum is platform for building decentralized applications.


Book content

This book is collection of standalone tutorials.

This means that each tutorial contains minimum amount of code needed to explain specific functionality.

This is in contrast to building a single application where each new functionality is added on top of already explained ones.

Each tutorial has minimum amount of supporting text making emphasis on the code example to do the explaining.


How to use this book

This book can be used as an introduction to Meteor framework covering all of the basic core functionalities.

In addition book will be updated with more tutorials covering more specific subjects.

Book is also intended as Just In Time Support so that user can learn what it needs when it needs it.

This is why tutorials are standalone and minimalistic focusing only at one problem at the time.

You should however first go through the main features of Meteor to familiarize yourself with the core concepts.

This can be done by first going through the main chapters as deep as you see fit.

Then later you can come back to explore other more specific chapters as you need them.

About the Author

Ivor Online
Ivor Online




"Things are only as complicated as they are badly explained." 

Proper documentation is essential to avoid struggle and frustration when working with simple things that only seem complicated by not being properly documented and explained. 



"Working example is worth thousands of words."

Just like the picture is worth thousands of words the same goes for the working example. Documentation in the form of working examples is proved to be the fastest and the most effective way of transfering knowledge. Sometimes an example is all you need to get the things done. And if there are some accompanying comments that explain what is going on even better. This is the approach I use when creating tutorials. This results in rapid learning which you can apply when you need it in the spirit of Just In Time Support. 

Table of Contents

1. Introduction


1.1      Terms


2. Clients


2.1      GETH

2.1.1        Setup         Install         Edit PATH Environment Variable

2.1.2        Private Network         Setup         Connect

2.1.3        Account         Create         Unlock         Change Password         Show All         Delete         Set Base Account         Get balance

2.1.4        Ether         Mine         Transfer

2.1.5        SOLC         Check if GETH is linked to SOLC         Link GETH with SOLC

2.1.6        Contracts         Create using online SOLC - Browser Solidity         Create using online SOLC - Ether Chain         Create using installed SOLC         Run by others         Kill

2.2      ETH

2.2.1        Setup         Install         Edit PATH Environment Variable


3. Solidity



3.1.1        Single Line

3.1.2        Multi Line

3.2      Operators

3.2.1        Assignment

3.2.2        Comparison

3.2.3        Arithmetic

3.2.4        Bitwise

3.2.5        Logical

3.3      Statements

3.3.1        Conditional Branching         if         else         else if

3.3.2        Conditional Looping         for         while

3.3.3        Unconditional Jumping         break         continue

3.4      Functions

3.4.1        Name

3.4.2        Return values         None         Single         Multiple

3.4.3        Parameters         None         Multiple

3.4.4        Type         public         private         constant

3.4.5        Reference         Internal Function Call

3.5      Contracts

3.5.1        Name

3.5.2        Fields         public         private

3.5.3        Methods

3.5.4        Constructor

3.5.5        Inheritance

3.5.1  Data Types

3.5.2        Scalar         bool         int         uint         address         byte

3.5.3        Compound         bytes         string         struct         array


4. Related Technologies


4.1      Chocolatey

4.1.1        Install

4.1.2        Uninstall

4.2      Windows

4.2.1        Show Environment Variables

4.2.2        Start Command Prompt

4.3      Python

4.3.1        Install

4.4      JSON Formatter


5. Errors


5.1      SyntaxError json.dumps

5.2      TypeError: 'greet' is not a function


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