دانلود کتاب Python Recipes Handbook: A Problem-Solution Approach

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Contents at a Glance
Contents
About the Author
About the Technical Reviewer
Acknowledgments
Introduction
Chapter 1: Strings and Texts
1-1. Concatenating Strings
Problem
Solution
How It Works
1-2. Comparing Strings
Problem
Solution
How It Works
1-3. Searching for a Substring
Problem
Solution
How It Works
1-4. Getting a Substring
Problem
Solution
How It Works
1-5. Replacing Text Matches
Problem
Solution
How It Works
1-6. Reversing a String
Problem
Solution
How It Works
1-7. Trimming White Space
Problem
Solution
How It Works
1-8. Changing Case
Problem
Solution
How It Works
1-9. Converting to Numbers
Problem
Solution
How It Works
1-10. Iterating Over the Characters of a String
Problem
Solution
How It Works
1-11. Statistics on Texts
Problem
Solution
How It Works
1-12. Encoding Unicode
Problem
Solution
How It Works
1-13. Translation
Problem
Solution
How It Works
Chapter 2: Numbers, Dates, and Times
2-1. Creating Integers
Problem
Solution
How It Works
2-2. Creating Floating Points
Problem
Solution
How It Works
2-3. Rounding Floats to Integers
Problem
Solution
How It Works
2-4. Formatting Numbers
Problem
Solution
How It Works
2-5. Working with Arbitrary Precision Numbers
Problem
Solution
How It Works
2-6. Generating Random Numbers
Problem
Solution
How It Works
2-7. Getting the Current Date and Time
Problem
Solution
How It Works
2-8. Calculating Date/Time Differences
Problem
Solution
How It Works
2-9. Formatting Dates and Times
Problem
Solution
How It Works
2-10. Reading Dates and Times from a String
Problem
Solution
How It Works
Chapter 3: Iterators and Generators
3-1. Iterating Over the Contents of a List
Problem
Solution
How It Works
3-2. Extracting the Contents of an Iterator
Problem
Solution
How It Works
3-3. Filtering an Iterator
Problem
Solution
How It Works
3-4. Iterating Over the Contents of a File
Problem
Solution
How It Works
3-5. Iterating Over Data That Has no Iterator
Problem
Solution
How It Works
3-6. Creating Standard Classes of Iterators
Problem
Solution
How It Works
Chapter 4: Files and I/O
4-1. Copying Files
Problem
Solution
How It Works
4-2. Moving Files
Problem
Solution
How It Works
4-3. Reading and Writing Text Files
Problem
Solution
How It Works
4-4. Reading and Writing XML Files
Problem
Solution
How It Works
4-5. Creating a Directory
Problem
Solution
How It Works
4-6. Monitoring a Directory for Changes
Problem
Solution
How It Works
4-7. Iterating Over the Files in a Directory
Problem
Solution
How It Works
4-8. Saving Data Objects
Problem
Solution
How It Works
4-9. Compressing Files
Problem
Solution
How It Works
Chapter 5: Python Data Analysis with pandas
5-1. Working with 1D Data
Problem
Solution
How It Works
5-2. Working with 2D Data
Problem
Solution
How It Works
5-3. Working with 3D Data
Problem
Solution
How It Works
5-4. Importing Data from CSV Files
Problem
Solution
How It Works
5-5. Saving to a CSV File
Problem
Solution
How It Works
5-6. Importing from Spreadsheets
Problem
Solution
How It Works
5-7. Saving to a Spreadsheet
Problem
Solution
How It Works
5-8. Getting the Head and Tail
Problem
Solution
How It Works
5-9. Summarizing Data
Problem
Solution
How It Works
5-10. Sorting Data
Problem
Solution
How It Works
5-11. Applying Functions Row- or Column-Wise
Problem
Solution
How It Works
5-12. Applying Functions Element-Wise
Problem
Solution
How It Works
5-13. Iterating Over Data
Problem
Solution
How It Works
Chapter 6: Functions
6-1. Creating Basic Functions
Problem
Solution
How It Works
6-2. Using Named Parameters Rather Than Positional Parameters
Problem
Solution
How It Works
6-3. Using Default Values in Functions
Problem
Solution
How It Works
6-4. Implementing a Recursive Algorithm
Problem
Solution
How It Works
6-5. Using Lambda Functions to Create Temporary Anonymous Functions
Problem
Solution
How It Works
6-6. Generating Specialized Functions
Problem
Solution
How It Works
Chapter 7: Classes and Objects
7-1. Discovering the Type of an Object (Everything Is an Object)
Problem
Solution
How It Works
7-2. Creating Classes
Problem
Solution
How It Works
7-3. Adding Private Fields
Problem
Solution
How It Works
7-4. Subclassing
Problem
Solution
How It Works
7-5. Initializing Objects
Problem
Solution
How It Works
7-6. Comparing Objects
Problem
Solution
How It Works
7-7. Changing an Object After Creation
Problem
Solution
How It Works
7-8. Implementing Polymorphic Behavior
Problem
Solution
How It Works
Chapter 8: Metaprogramming
8-1. Using a Function Decorator to Wrap Existing Code
Problem
Solution
How It Works
8-2. Writing a Function Decorator to Wrap Existing Code
Problem
Solution
How It Works
8-3. Unwrapping a Decorated Function
Problem
Solution
How It Works
8-4. Using a Metaclass to Change the Construction of a Class
Problem
Solution
How It Works
8-5. Writing a Metaclass
Problem
Solution
How It Works
8-6. Using Signatures to Change the Parameters a Function Accepts
Problem
Solution
How It Works
Chapter 9: Networking and the Internet
9-1. Opening a Socket Connection
Problem
Solution
How It Works
9-2. Reading/Writing Over a Socket
Problem
Solution
How It Works
9-3. Reading an E-Mail with POP
Problem
Solution
How It Works
9-4. Reading an E-Mail with IMAP
Problem
Solution
How It Works
9-5. Sending an E-Mail
Problem
Solution
How It Works
9-6. Reading a Web Page
Problem
Solution
How It Works
9-7. Posting to a Web Page
Problem
Solution
How It Works
9-8. Acting as a Server
Problem
Solution
How It Works
Chapter 10: Modules and Packages
10-1. Importing Modules
Problem
Solution
How It Works
10-2. Installing Modules from Source
Problem
Solution
How It Works
10-3. Installing Modules from Pypi
Problem
Solution
How It Works
10-4. Upgrading a Module Using pip
Problem
Solution
How It Works
Chapter 11: Numerics and Numpy
11-1. Creating Arrays
Problem
Solution
How It Works
11-2. Copying an Array
Problem
Solution
How It Works
11-3. Accessing Array Data
Problem
Solution
How It Works
11-4. Manipulating a Matrix
Problem
Solution
How It Works
11-5. Calculating Fast Fourier Transforms
Problem
Solution
How It Works
11-6. Loading File Data into an Array
Problem
Solution
How It Works
11-7. Saving Arrays
Problem
Solution
How It Works
11-8. Generating Random Numbers
Problem
Solution
How It Works
11-9. Calculating Basic Statistics
Problem
Solution
How It Works
11-10. Computing Histograms
Problem
Solution
How It Works
Chapter 12: Concurrency
12-1. Creating a Thread
Problem
Solution
How It Works
12-2. Using Locks
Problem
Solution
How It Works
12-3. Setting a Barrier
Problem
Solution
How It Works
12-4. Creating a Process
Problem
Solution
How It Works
12-5. Communicating Between Processes
Problem
Solution
How It Works
12-6. Creating a Pool of Workers
Problem
Solution
How It Works
12-7. Creating a Subprocess
Problem
Solution
How It Works
12-8. Scheduling Events
Problem
Solution
How It Works
Chapter 13: Utilities
13-1. Creating a Virtual Environment
Problem
Solution
How It Works
13-2. Using the Ipython Shell
Problem
Solution
How It Works
13-3. Using the Jupyter Environment
Problem
Solution
How It Works
13-4. Using xonsh as a Replacement Shell
Problem
Solution
How It Works
Chapter 14: Testing and Debugging
14-1. Timing a Section of Code
Problem
Solution
How It Works
14-2. Profiling Code
Problem
Solution
How It Works
14-3. Tracing Subroutines
Problem
Solution
How It Works
14-4. Tracing Memory Allocations
Problem
Solution
How It Works
14-5. Performing Unit Tests
Problem
Solution
How It Works
14-6. Debugging Code
Problem
Solution
How It Works
Chapter 15: C and Other Extensions
15-1. Compiling Python Code
Problem
Solution
How It Works
15-2. Using Static Types
Problem
Solution
How It Works
15-3. Calling Python from C
Problem
Solution
How It Works
15-4. Calling C from Python
Problem
Solution
How It Works
Chapter 16: Arduino and RPi Recipes
16-1. Sending Data to an Arduino
Problem
Solution
How It Works
16-2. Reading Data from an Arduino
Problem
Solution
How It Works
16-3. Writing to the Raspberry Pi’s GPIO Bus
Problem
Solution
How It Works
16-4. Reading from the Raspberry Pi’s GPIO Bus
Problem
Solution
How It Works
Index