Download Core Python Programming (2nd Edition) by Wesley J. Chun PDF

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By Wesley J. Chun

The whole Developer's consultant to Python

* New to Python? The definitive consultant to Python improvement for knowledgeable programmers
* Covers center language good points completely, together with these present in the most recent Python releases—learn greater than simply the syntax!
* study complex issues resembling ordinary expressions, networking, multithreading, GUI, Web/CGI, and Python extensions
* contains brand-new fabric on databases, net consumers, Java/Jython, and Microsoft place of work, plus Python 2.6 and 3
* offers 1000's of code snippets, interactive examples, and sensible workouts to reinforce your Python skills

Python is an agile, strong, expressive, totally object-oriented, extensible, and scalable programming language. It combines the ability of compiled languages with the simplicity and quick improvement of scripting languages. In center Python Programming, moment version, prime Python developer and coach Wesley Chun is helping you examine Python fast and comprehensively that you can instantly prevail with any Python project.

Using useful code examples, Chun introduces all of the basics of Python programming: syntax, gadgets and reminiscence administration, facts kinds, operators, documents and I/O, capabilities, turbines, mistakes dealing with and exceptions, loops, iterators, sensible programming, object-oriented programming and extra. when you research the middle basics of Python, he exhibits you what you are able to do together with your new talents, delving into complex subject matters, comparable to commonplace expressions, networking programming with sockets, multithreading, GUI improvement, Web/CGI programming and lengthening Python in C.

This version displays significant improvements within the Python 2.x sequence, together with 2.6 and assistance for migrating to three. It includes new chapters on database and web buyer programming, plus assurance of many new themes, together with new-style periods, Java and Jython, Microsoft workplace (Win32 COM patron) programming, and masses extra.

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Extra info for Core Python Programming (2nd Edition)

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Figure 2-19. The new packages have been created. standard. Right-click the greetings package in the Package Explorer on the left side of the workspace. Select New ➤ Pydev Module. That will bring up the (unnamed) module creation window, shown in Figure 2-20. 35 36 CHAPTER 2 ■ THE IDE: ECLIPSING THE COMMAND LINE Figure 2-20. Choosing the module name The window has three fields: Source Folder, Package, and Name. The first two are filled in for you. Enter standard into the Name field, and then click Finish.

Verifying the unsigned plug-in This screen is called Feature Verification, but it’s really complaining about the Mylyn package being unsigned. You should get used to this. While cryptographic signing of features is a neat idea, it doesn’t happen much. Just click Install All. A few windows will flit by as Mylyn is installed, and once it’s complete, Eclipse will ask if you want to apply the changes or restart (see Figure 2-13). Figure 2-13. Installation complete Choose Yes to restart Eclipse. When it restarts, it will go to the Eclipse overview, which is shown in Figure 2-14.

You don’t need extensive commenting. The code and unit tests should be clear and readable. Extensive design 17 18 CHAPTER 1 ■ WHAT IS AGILE DEVELOPMENT? documentation is the pinnacle violation of DRY. The impression of the design invariably falls out of sync with the reality of the design. These practices have a common focus. They are about predictability. They are about minimizing waste, both in process and in design effort, and continuous feedback to identify the sources of waste. While it’s important to understand how these techniques fit together, we’re not going to be looking at all of them.

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