Go Cookbook

Autor:: Sau Sheong Chang

Go Cookbook Sau Sheong Chang - okladka książki

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Stron:: 370
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Go is an increasingly popular language for programming everything from web applications to distributed network services. This practical guide provides recipes to help you unravel common problems and perform useful tasks when working with Go. Each recipe includes self-contained code solutions that you can freely use, along with a discussion of how and why they work. Programmers new to Go can quickly ramp up their knowledge while accomplishing useful tasks, and experienced Go developers can save time by cutting and pasting proven code directly into their applications.

Recipes include:

Creating a module
Calling code from another module
Returning and handling an error
Converting strings to numbers (or converting numbers to strings)
Modifying multiple characters in a string
Creating substrings from a string
Capturing string input
And so much more

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Szczegóły książki

ISBN Ebooka:: 978-10-981-2207-2, 9781098122072
Data wydania ebooka :: 2023-09-13 Data wydania ebooka często jest dniem wprowadzenia tytułu do sprzedaży i może nie być równoznaczna z datą wydania książki papierowej. Dodatkowe informacje możesz znaleźć w darmowym fragmencie. Jeśli masz wątpliwości skontaktuj się z nami sklep@ebookpoint.pl.
Język publikacji:: angielski
Rozmiar pliku ePub:: 5.4MB
Rozmiar pliku Mobi:: 11.4MB

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Informatyka » Programowanie
Informatyka » Programowanie » Go

Spis treści książki

Preface
- Conventions Used in This Book
- Using Code Examples
- OReilly Online Learning
- How to Contact Us
- Acknowledgments
1. Getting Started Recipes
- 1.0. Introduction
- 1.1. Installing Go
- 1.2. Playing Around with Go
- 1.3. Writing a Hello World Program
- 1.4. Using an External Package
- 1.5. Handling Errors
- 1.6. Logging Events
- 1.7. Testing Your Code
2. Module Recipes
- 2.0. Introduction
- 2.1. Creating a Go Module
- 2.2. Importing Dependent Packages Into Your Module
- 2.3. Removing Dependent Packages from Your Module
- 2.4. Find Available Versions of Third-Party Packages
- 2.5. Importing a Specific Version of a Dependent Package Into Your Module
- 2.6. Requiring Local Versions of Dependent Packages
- 2.7. Using Multiple Versions of the Same Dependent Packages
3. Error Handling Recipes
- 3.0. Introduction
- 3.1. Handling Errors
- 3.2. Simplifying Repetitive Error Handling
- 3.3. Creating Customized Errors
- 3.4. Wrapping an Error with Other Errors
- 3.5. Inspecting Errors
- 3.6. Handling Errors with Panic
- 3.7. Recovering from Panic
- 3.8. Handling Interrupts
4. Logging Recipes
- 4.0. Introduction
- 4.1. Writing to Logs
- 4.2. Change What Is Being Logged by the Standard Logger
- 4.3. Logging to File
- 4.4. Using Log Levels
- 4.5. Logging to the System Log Service
5. Function Recipes
- 5.0. Introduction
- 5.1. Defining a Function
- 5.2. Accepting Multiple Data Types with a Function
- 5.3. Accepting a Variable Number of Parameters
- 5.4. Accepting Parameters of Any Type
- 5.5. Creating an Anonymous Function
- 5.6. Creating a Function That Maintains State After It Is Called
6. String Recipes
- 6.0. Introduction
- 6.1. Creating Strings
- 6.2. Converting String to Bytes and Bytes to String
- 6.3. Creating Strings from Other Strings and Data
- 6.4. Converting Strings to Numbers
- 6.5. Converting Numbers to Strings
- 6.6. Replacing Multiple Characters in a String
- 6.7. Creating a Substring from a String
- 6.8. Checking if a String Contains Another String
- 6.9. Splitting a String Into an Array of Strings or Combining an Array of Strings Into a String
- 6.10. Trimming Strings
- 6.11. Capturing String Input from the Command Line
- 6.12. Escaping and Unescaping HTML Strings
- 6.13. Using Regular Expressions
7. General Input/Output Recipes
- 7.0. Introduction
- 7.1. Reading from an Input
- 7.2. Writing to an Output
- 7.3. Copying from a Reader to a Writer
- 7.4. Reading from a Text File
- 7.5. Writing to a Text File
- 7.6. Using a Temporary File
8. CSV Recipes
- 8.0. Introduction
- 8.1. Reading the Whole CSV File
- 8.2. Reading a CSV File One Row at a Time
- 8.3. Unmarshalling CSV Data Into Structs
- 8.4. Removing the Header Line
- 8.5. Using Different Delimiters
- 8.6. Ignoring Rows
- 8.7. Writing CSV Files
- 8.8. Writing to File One Row at a Time
9. JSON Recipes
- 9.0. Introduction
- 9.1. Parsing JSON Data Byte Arrays to Structs
- 9.2. Parsing Unstructured JSON Data
- 9.3. Parsing JSON Data Streams Into Structs
- 9.4. Creating JSON Data Byte Arrays from Structs
- 9.5. Creating JSON Data Streams from Structs
- 9.6. Omitting Fields in Structs
10. Binary Recipes
- 10.0. Introduction
- 10.1. Encoding Data to gob Format Data
- 10.2. Decoding gob Format Data to Structs
- 10.3. Encoding Data to a Customized Binary Format
- 10.4. Decoding Data with a Customized Binary Format to Structs
11. Date and Time Recipes
- 11.0. Introduction
- 11.1. Telling Time
- 11.2. Doing Arithmetic with Time
- 11.3. Representing Dates
- 11.4. Representing Time Zones
- 11.5. Representing Duration
- 11.6. Pausing for a Specific Duration
- 11.7. Measuring Lapsed Time
- 11.8. Formatting Time for Display
- 11.9. Parsing Time Displays Into Structs
12. Structs Recipes
- 12.0. Introduction
- 12.1. Defining Structs
- 12.2. Creating Struct Methods
- 12.3. Creating and Using Interfaces
- 12.4. Creating Struct Instances
- 12.5. Creating One-Time Structs
- 12.6. Composing Structs from Other Structs
- 12.7. Defining Metadata for Struct Fields
13. Data Structure Recipes
- 13.0. Introduction
- 13.1. Creating Arrays or Slices
- 13.2. Accessing Arrays or Slices
- 13.3. Modifying Arrays or Slices
- 13.4. Making Arrays and Slices Safe for Concurrent Use
- 13.5. Sorting Arrays of Slices
- 13.6. Creating Maps
- 13.7. Accessing Maps
- 13.8. Modifying Maps
- 13.9. Sorting Maps
14. More Data Structure Recipes
- 14.0. Introduction
- 14.1. Creating Queues
- 14.2. Creating Stacks
- 14.3. Creating Sets
- 14.4. Creating Linked Lists
- 14.5. Creating Heaps
- 14.6. Creating Graphs
- 14.7. Finding the Shortest Path on a Graph
15. Image-Processing Recipes
- 15.0. Introduction
- 15.1. Loading an Image from a File
- 15.2. Saving an Image to a File
- 15.3. Creating Images
- 15.4. Flipping an Image Upside Down
- 15.5. Converting an Image to Grayscale
- 15.6. Resizing an Image
16. Networking Recipes
- 16.0. Introduction
- 16.1. Creating a TCP Server
- 16.2. Creating a TCP Client
- 16.3. Creating a UDP Server
- 16.4. Creating a UDP Client
17. Web Recipes
- 17.0. Introduction
- 17.1. Creating a Simple Web Application
- 17.2. Handling HTTP Requests
- 17.3. Handling HTML Forms
- 17.4. Uploading a File to a Web Application
- 17.5. Serving Static Files
- 17.6. Creating a JSON Web Service API
- 17.7. Serving Through HTTPS
- 17.8. Using Templates for Go Web Applications
- 17.9. Making an HTTP Client Request
18. Testing Recipes
- 18.0. Introduction
- 18.1. Automating Functional Tests
- 18.2. Running Multiple Test Cases
- 18.3. Setting Up and Tearing Down Before and After Tests
- 18.4. Creating Subtests to Have Finer Control Over Groups of Test Cases
- 18.5. Running Tests in Parallel
- 18.6. Generating Random Test Inputs for Tests
- 18.7. Measuring Test Coverage
- 18.8. Testing a Web Application or a Web Service
19. Benchmarking Recipes
- 19.0. Introduction
- 19.1. Automating Performance Tests
- 19.2. Running Only Performance Tests
- 19.3. Avoiding Test Fixtures in Performance Tests
- 19.4. Changing the Timing for Running Performance Tests
- 19.5. Running Multiple Performance Test Cases
- 19.6. Comparing Performance Test Results
- 19.7. Profiling a Program
Index