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Coffeescript Application Development Cookbook

By : Mike Hatfield

4.6 (5)

Coffeescript Application Development Cookbook

4.6 (5)

By: Mike Hatfield

Overview of this book

If you are interested in developing modern applications, this book will help you leverage the vast JavaScript ecosystem while using an elegant language, helping you avoid the shortcomings of JavaScript.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Getting Ready

1. Getting Ready

Introduction

Configuring your environment and tools

Configuring Sublime Text

Configuring Visual Studio

A quick dive into CoffeeScript

Debugging CoffeeScript using source maps

Debugging CoffeeScript using Node Inspector

2. Starting with the Basics

2. Starting with the Basics

Introduction

Working with strings

Working with numbers

Working with dates and times

Working with arrays

Working with classes

Dealing with the this keyword

3. Creating Client Applications

3. Creating Client Applications

Introduction

Working with jQuery

Working with Backbone

Working with AngularJS

Communicating in real time with Socket.io

4. Using Kendo UI for Desktop and Mobile Applications

4. Using Kendo UI for Desktop and Mobile Applications

Introduction

Using the Kendo UI Core widgets

Using the Kendo UI Core mobile widgets

5. Going Native with Cordova

5. Going Native with Cordova

Introduction

Creating a basic Cordova application

Using the camera

Using geolocation

Using contacts

Getting device information

6. Working with Databases

6. Working with Databases

Introduction

Working with SQLite

Working with Redis

Working with MongoDB

Working with CouchDB

7. Building Application Services

7. Building Application Services

Introduction

Working with base64 encoding

Working with domain name services

Parsing a URL into its various components

Creating RESTful web services

8. Using External Services

8. Using External Services

Introduction

Working with web services

Sending e-mail

Sending SMS and MMS messages

Working with Amazon's S3 storage

Transferring files via FTP

9. Testing Our Applications

9. Testing Our Applications

Introduction

Unit testing with QUnit

End-to-end testing with Mocha and Zombie.js

Stubbing and mocking with Sinon

10. Hosting Our Web Applications

10. Hosting Our Web Applications

Introduction

Compiling our source with Grunt

Preparing deployments for staging and production

Deploying our application to Heroku

Deploying our application to Microsoft Azure

11. Scripting for DevOps

11. Scripting for DevOps

Introduction

Executing shell commands with exec

Executing shell commands with spawn

Copying, moving, and deleting files and directories

Archiving files and directories

Parsing CSV files

Parsing fixed-width files

Padding and aligning output

Formatting dates with moment.js

Formatting numbers with accounting.js

Index

Index

Padding and aligning output

It is a common requirement to pad our display values to a specified size. This may involve padding to the left, right, or even center values. This is especially useful when generating fixed-width output. In this recipe, we will see how to pad our values by creating a useful, multipurpose padding function.

Getting ready

We will be using the basic tools provided by Node.

We want to create a function that will accept a string value, which will pad it to a specified size (number of characters) with a padding character. It should be able to pad our values to the left or right.

Padding can also provide some alignment functionality. For example, if we pad a value to the right, it will be left aligned, while padding to the left will right align our value.

Let's look at how we can accomplish this.

How to do it...

In this example, we will create a function called pad() to perform padding and alignment:

Create the function signature. This function will accept a value, a desired...

CONTINUE READING

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Tech Concepts

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Programming languages

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