GoProgrammingBlueprints-SolvingDevelopme.epub - (EPUB全文下载)

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Go Programming Blueprints
Table of Contents
Go Programming Blueprints
Credits
About the Author
Acknowledgments
About the Reviewers
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Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Downloading the example code
Errata
Piracy
Questions
1. Chat Application with Web Sockets
A simple web server
Templates
Doing things once
Using your own handlers
Properly building and executing Go programs
Modeling a chat room and clients on the server
Modeling the client
Modeling a room
Concurrency programming using idiomatic Go
Turning a room into an HTTP handler
Use helper functions to remove complexity
Creating and using rooms
Building an HTML and JavaScript chat client
Getting more out of templates
Tracing code to get a look under the hood
Writing a package using TDD
Interfaces
Unit tests
Red-green testing
Implementing the interface
Unexported types being returned to users
Using our new trace package
Making tracing optional
Clean package APIs
Summary
2. Adding Authentication
Handlers all the way down
Making a pretty social sign-in page
Endpoints with dynamic paths
OAuth2
Open source OAuth2 packages
Tell the authentication providers about your app
Implementing external logging in
Logging in
Handling the response from the provider
Presenting the user data
Augmenting messages with additional data
Summary
3. Three Ways to Implement Profile Pictures
Avatars from the authentication server
Getting the avatar URL
Transmitting the avatar URL
Adding the avatar to the user interface
Logging out
Making things prettier
Implementing Gravatar
Abstracting the avatar URL process
The authentication service and avatar's implementation
Using an implementation
Gravatar implementation
Uploading an avatar picture
User identification
An upload form
Handling the upload
Serving the images
The Avatar implementation for local files
Supporting different file types
Refactoring and optimizing our code
Replacing concrete types with interfaces
Changing interfaces in a test-driven way
Fixing existing implementations
Global variables versus fields
Implementing our new design
Tidying up and testing
Combining all three implementations
Summary
4. Command-line Tools to Find Domain Names
Pipe design for command-line tools
Five simple programs
Sprinkle
Exercise – configurable transformations
Domainify
Exercise – making top-l ............

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