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The node.js framework make Product Description
In just 24 sessions of one hour or less, Sams Teach Yourself Node.js in 24 Hours will help you master the Node.js platform and use it to build server-side applications with extraordinary speed and scalability. Using this text’s straightforward, step-by-step approach, you’ll move from basic installation, configuration, and programming all the way through real-time messaging between browser and server, testing and deployment. Every lesson and case-study application builds on what you’ve already learned, giving you a rock-solid foundation for real-world success!
Step-by-step instructions carefully walk you through the most common Node.js development tasks.
Quizzes and Exercises at the end of each chapter help you test your knowledge.
By the Way notes present valuable additional information related to the discussion.
Did You Know? tips offer advice or show you easier ways to perform tasks.
Watch Out! cautions alert you to possible problems and give you advice on how to avoid them.
Learn how to…
· Create end-to-end applications entirely in JavaScript
· Master essential Node.js concepts like callbacks and quickly create your first program
· Create basic sites with the HTTP module and Express web framework
· Manage data persistence with Node.js and MongoDB
· Debug and test Node.js applications
· Deploy Node.js applications to thirdparty services, such as Heroku and Nodester
· Build powerful real-time solutions, from chat servers to Twitter clients
· Create JSON APIs using JavaScript on the server
· Use core components of the Node.js API, including processes, child processes, events, buffers, and streams
· Create and publish a Node.js module
Introduction 1
Who Should Read This Book? 1 Why Should I Learn Node.js? 2
How This Book Is Organized 2
Code Examples 2
Conventions Used in This Book 3
Part I: Getting Started
Hour 1: Introducing Node.js 7
What Is Node.js? 7
What You Can Do with Node.js 8
Installing and Creating Your First Node.js Program 9
Summary 11
Q&A 12
Workshop 12
Exercises 13
Hour 2: npm (Node Package Manager) 15
What Is npm? 15 Installing npm 16
Installing Modules 17
Using Modules 17
How to Find Modules 19
Local and Global Installation 21
How to Find Module Documentation 22
Specifying Dependencies with package.json 23
Summary 25
Q&A 25
Workshop 26
Hour 3: What Node.js Is Used For 27
What Node.js Is Designed to Do 27
Understanding I/O 27
Dealing with Input 29
Networked I/O Is Unpredictable 33
Humans Are Unpredictable 35
Dealing with Unpredictability 37
Summary 38
Q&A 38
Workshop 39
Exercises 39
Hour 4: Callbacks 41
What Is a Callback? 41 The Anatomy of a Callback 46
How Node.js Uses Callbacks 47
Synchronous and Asynchronous Code 50
The Event Loop 53
Summary 54
Q&A 55
Workshop 55
Exercises 56
Part II: Basic Websites with Node.js
Hour 5: HTTP 59
What Is HTTP? 59
HTTP Servers with Node.js 59
HTTP Clients with Node.js 69
Summary 70
Q&A 71
Workshop 71
Exercises 72
Hour 6: Introducing Express 73
What Is Express? 73 Why Use Express? 73
Installing Express 74
Creating a Basic Express Site 74
Exploring Express 76
Introducing Jade 77
Summary 89
Q&A 89
Workshop 90
Exercises 90
Hour 7: More on Express 91
Routing in Web Applications 91
How Routing Works in Express 91
Adding a GET Route 92
Adding a POST Route 94
Using Parameters in Routes 95
Keeping Routes Maintainable 96
View Rendering 97
Using Local Variables 99
Summary 101
Q&A 101
Workshop 101
Exercises 102
Hour 8: Persisting Data 103
What Is Persistent Data? 103 Writing Data to a File 104
Reading Data from a File 105
Reading Environment Variables 106
Using Databases 108
Using MongoDB with Node.js 109
Summary 131
Q&A 131
Workshop 132
Exercises 132
Part III: Debugging, Testing, and Deploying
Hour 9: Debugging Node.js Applications 135
Debugging 135
The STDIO Module 136
The Node.js Debugger 141
Node Inspector 144
A Note on Testing 147
Summary 148
Q&A 148
Workshop 149
Exercises 149
Hour 10: Testing Node.js Applications 151
Why Test? 151 The Assert Module 152
Third-Party Testing Tools 155
Behavior Driven Development 159
Summary 167
Q&A 167
Workshop 168
Exercises 168
Hour 11: Deploying Node.js Applications 169
Ready to Deploy! 169
Hosting in the Cloud 169
Heroku 171
Cloud Foundry 176
Nodester 180
Other PaaS Providers 184
Summary 184
Q&A 184
Workshop 185
Exercises 186
Part IV: Intermediate Sites with Node.js
Hour 12: Introducting Socket.IO 189
Now for Something Completely Different 189 Brief History of the Dynamic Web 189
Socket.IO 191
Basic Socket.IO Example 191
Sending Data from the Server to Clients 194
Broadcasting Data to Clients 199
Bi-Directional Data 204
Summary 209
Q&A 209
Workshop 210
Exercises 210
Hour 13: A Socket.IO Chat Server 213
Express and Socket.IO 213
Adding Nicknames 216
Summary 235
Q&A 235
Workshop 236
Exercises 236
Hour 14: A Streaming Twitter Client 237
Streaming APIs 237 Signing Up for Twitter 238
Using Twitter’s API with Node.js 241
Extracting Meaning from the Data 244
Pushing Data to the Browser 247
Creating a Real-Time Lovehateometer 252
Summary 262
Q&A 263
Workshop 263
Exercises 264
Hour 15: JSON APIs 265
APIs 265
JSON 266
Sending JSON Data with Node.js 268
Creating JSON from JavaScript Objects 269
Consuming JSON Data with Node.js 271
Creating a JSON API with Node.js 275
Summary 285
Q&A 286
Workshop 286
Exercises 287
Part V: Exploring the Node.js API
Hour 16: The Process Module 291
What Processes Are 291 Exiting and Errors in Processes 293
Processes and Signals 293
Sending Signals to Processes 295
Creating Scripts with Node.js 297
Passing Arguments to Scripts 298
Summary 301
Q&A 302
Workshop 302
Exercises 303
Hour 17: The Child Process Module 305
What Is a Child Process? 305
Killing a Child Process 308
Communicating with a Child Process 309
The Cluster Module 311
Summary 314
Q&A 314
Workshop 314
Exercises 315
Hour 18: The Events Module 317
Understanding Events 317 Demonstrating Events Through HTTP 321
Playing Ping-Pong with Events 324
Programming Event Listeners Dynamically 326
Summary 330
Q&A 330
Workshop 331
Exercises 331
Hour 19: The Buffer Module 333
A Primer on Binary Data 333
Binary to Text 334
Binary and Node.js 335
What Are Buffers in Node.js? 338
Writing to Buffers 340
Appending to Buffers 340
Copying Buffers 342
Modifying Strings in Buffers 343
Summary 343
Q&A 343
Workshop 344
Hour 20: The Stream Module 345
A Primer on Streams 345 Readable Streams 347
Writable Streams 352
Piping Streams 353
Streaming MP3s 354
Summary 356
Q&A &
In just 24 sessions of one hour or less, Sams Teach Yourself Node.js in 24 Hours will help you master the Node.js platform and use it to build server-side applications with extraordinary speed and scalability. Using this text's straightforward, step-by-step approach, you'll move from basic installation, configuration, and programming all the way through real-time messaging between browser and server, testing and deployment. Every lesson and case-study application builds on what you've already learned, giving you a rock-solid foundation for real-world success!
Step-by-step instructions carefully walk you through the most common Node.js development tasks.
Quizzes and Exercises at the end of each chapter help you test your knowledge.
By the Way notes present valuable additional information related to the discussion.
Did You Know? tips offer advice or show you easier ways to perform tasks.
Watch Out! cautions alert you to possible problems and give you advice on how to avoid them.
Learn how to...
- Create end-to-end applications entirely in JavaScript
- Master essential Node.js concepts like callbacks and quickly create your first program
- Create basic sites with the HTTP module and Express web Framework
- Manage data persistence with Node.js and MongoDB
- Debug and test Node.js applications
- Deploy Node.js applications to thirdparty services, such as Heroku and Nodester
- Build powerful real-time solutions, from chat servers to Twitter Clients
- Create JSON APIs using JavaScript on the Server
- Use core components of the Node.js API, including processes, child processes, events, buffers, and streams
- Create and publish a Node.js module
In just 24 sessions of one hour or less, Sams Teach Yourself Node.js in 24 Hours will help you master the Node.js platform and use it to build server-side applications with extraordinary speed and scalability. Using this text’s straightforward, step-by-step approach, you’ll move from basic installation, configuration, and programming all the way through real-time messaging between browser and server, testing and deployment. Every lesson and case-study application builds on what you’ve already learned, giving you a rock-solid foundation for real-world success!
Step-by-step instructions carefully walk you through the most common Node.js development tasks.
Quizzes and Exercises at the end of each chapter help you test your knowledge.
By the Way notes present valuable additional information related to the discussion.
Did You Know? tips offer advice or show you easier ways to perform tasks.
Watch Out! cautions alert you to possible problems and give you advice on how to avoid them.
Learn how to…
· Create end-to-end applications entirely in JavaScript
· Master essential Node.js concepts like callbacks and quickly create your first program
· Create basic sites with the HTTP module and Express web framework
· Manage data persistence with Node.js and MongoDB
· Debug and test Node.js applications
· Deploy Node.js applications to thirdparty services, such as Heroku and Nodester
· Build powerful real-time solutions, from chat servers to Twitter clients
· Create JSON APIs using JavaScript on the server
· Use core components of the Node.js API, including processes, child processes, events, buffers, and streams
· Create and publish a Node.js module
Introduction 1
Who Should Read This Book? 1 Why Should I Learn Node.js? 2
How This Book Is Organized 2
Code Examples 2
Conventions Used in This Book 3
Part I: Getting Started
Hour 1: Introducing Node.js 7
What Is Node.js? 7
What You Can Do with Node.js 8
Installing and Creating Your First Node.js Program 9
Summary 11
Q&A 12
Workshop 12
Exercises 13
Hour 2: npm (Node Package Manager) 15
What Is npm? 15 Installing npm 16
Installing Modules 17
Using Modules 17
How to Find Modules 19
Local and Global Installation 21
How to Find Module Documentation 22
Specifying Dependencies with package.json 23
Summary 25
Q&A 25
Workshop 26
Hour 3: What Node.js Is Used For 27
What Node.js Is Designed to Do 27
Understanding I/O 27
Dealing with Input 29
Networked I/O Is Unpredictable 33
Humans Are Unpredictable 35
Dealing with Unpredictability 37
Summary 38
Q&A 38
Workshop 39
Exercises 39
Hour 4: Callbacks 41
What Is a Callback? 41 The Anatomy of a Callback 46
How Node.js Uses Callbacks 47
Synchronous and Asynchronous Code 50
The Event Loop 53
Summary 54
Q&A 55
Workshop 55
Exercises 56
Part II: Basic Websites with Node.js
Hour 5: HTTP 59
What Is HTTP? 59
HTTP Servers with Node.js 59
HTTP Clients with Node.js 69
Summary 70
Q&A 71
Workshop 71
Exercises 72
Hour 6: Introducing Express 73
What Is Express? 73 Why Use Express? 73
Installing Express 74
Creating a Basic Express Site 74
Exploring Express 76
Introducing Jade 77
Summary 89
Q&A 89
Workshop 90
Exercises 90
Hour 7: More on Express 91
Routing in Web Applications 91
How Routing Works in Express 91
Adding a GET Route 92
Adding a POST Route 94
Using Parameters in Routes 95
Keeping Routes Maintainable 96
View Rendering 97
Using Local Variables 99
Summary 101
Q&A 101
Workshop 101
Exercises 102
Hour 8: Persisting Data 103
What Is Persistent Data? 103 Writing Data to a File 104
Reading Data from a File 105
Reading Environment Variables 106
Using Databases 108
Using MongoDB with Node.js 109
Summary 131
Q&A 131
Workshop 132
Exercises 132
Part III: Debugging, Testing, and Deploying
Hour 9: Debugging Node.js Applications 135
Debugging 135
The STDIO Module 136
The Node.js Debugger 141
Node Inspector 144
A Note on Testing 147
Summary 148
Q&A 148
Workshop 149
Exercises 149
Hour 10: Testing Node.js Applications 151
Why Test? 151 The Assert Module 152
Third-Party Testing Tools 155
Behavior Driven Development 159
Summary 167
Q&A 167
Workshop 168
Exercises 168
Hour 11: Deploying Node.js Applications 169
Ready to Deploy! 169
Hosting in the Cloud 169
Heroku 171
Cloud Foundry 176
Nodester 180
Other PaaS Providers 184
Summary 184
Q&A 184
Workshop 185
Exercises 186
Part IV: Intermediate Sites with Node.js
Hour 12: Introducting Socket.IO 189
Now for Something Completely Different 189 Brief History of the Dynamic Web 189
Socket.IO 191
Basic Socket.IO Example 191
Sending Data from the Server to Clients 194
Broadcasting Data to Clients 199
Bi-Directional Data 204
Summary 209
Q&A 209
Workshop 210
Exercises 210
Hour 13: A Socket.IO Chat Server 213
Express and Socket.IO 213
Adding Nicknames 216
Summary 235
Q&A 235
Workshop 236
Exercises 236
Hour 14: A Streaming Twitter Client 237
Streaming APIs 237 Signing Up for Twitter 238
Using Twitter’s API with Node.js 241
Extracting Meaning from the Data 244
Pushing Data to the Browser 247
Creating a Real-Time Lovehateometer 252
Summary 262
Q&A 263
Workshop 263
Exercises 264
Hour 15: JSON APIs 265
APIs 265
JSON 266
Sending JSON Data with Node.js 268
Creating JSON from JavaScript Objects 269
Consuming JSON Data with Node.js 271
Creating a JSON API with Node.js 275
Summary 285
Q&A 286
Workshop 286
Exercises 287
Part V: Exploring the Node.js API
Hour 16: The Process Module 291
What Processes Are 291 Exiting and Errors in Processes 293
Processes and Signals 293
Sending Signals to Processes 295
Creating Scripts with Node.js 297
Passing Arguments to Scripts 298
Summary 301
Q&A 302
Workshop 302
Exercises 303
Hour 17: The Child Process Module 305
What Is a Child Process? 305
Killing a Child Process 308
Communicating with a Child Process 309
The Cluster Module 311
Summary 314
Q&A 314
Workshop 314
Exercises 315
Hour 18: The Events Module 317
Understanding Events 317 Demonstrating Events Through HTTP 321
Playing Ping-Pong with Events 324
Programming Event Listeners Dynamically 326
Summary 330
Q&A 330
Workshop 331
Exercises 331
Hour 19: The Buffer Module 333
A Primer on Binary Data 333
Binary to Text 334
Binary and Node.js 335
What Are Buffers in Node.js? 338
Writing to Buffers 340
Appending to Buffers 340
Copying Buffers 342
Modifying Strings in Buffers 343
Summary 343
Q&A 343
Workshop 344
Hour 20: The Stream Module 345
A Primer on Streams 345 Readable Streams 347
Writable Streams 352
Piping Streams 353
Streaming MP3s 354
Summary 356
Q&A &
In just 24 sessions of one hour or less, Sams Teach Yourself Node.js in 24 Hours will help you master the Node.js platform and use it to build server-side applications with extraordinary speed and scalability. Using this text's straightforward, step-by-step approach, you'll move from basic installation, configuration, and programming all the way through real-time messaging between browser and server, testing and deployment. Every lesson and case-study application builds on what you've already learned, giving you a rock-solid foundation for real-world success!
Step-by-step instructions carefully walk you through the most common Node.js development tasks.
Quizzes and Exercises at the end of each chapter help you test your knowledge.
By the Way notes present valuable additional information related to the discussion.
Did You Know? tips offer advice or show you easier ways to perform tasks.
Watch Out! cautions alert you to possible problems and give you advice on how to avoid them.
Learn how to...
- Create end-to-end applications entirely in JavaScript
- Master essential Node.js concepts like callbacks and quickly create your first program
- Create basic sites with the HTTP module and Express web Framework
- Manage data persistence with Node.js and MongoDB
- Debug and test Node.js applications
- Deploy Node.js applications to thirdparty services, such as Heroku and Nodester
- Build powerful real-time solutions, from chat servers to Twitter Clients
- Create JSON APIs using JavaScript on the Server
- Use core components of the Node.js API, including processes, child processes, events, buffers, and streams
- Create and publish a Node.js module