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Hands-On Application Development with PyCharm

Hands-On Application Development with PyCharm - Second Edition

By : Bruce M. Van Horn II, Quan Nguyen
4.7 (3)
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Hands-On Application Development with PyCharm

Hands-On Application Development with PyCharm

4.7 (3)
By: Bruce M. Van Horn II, Quan Nguyen

Overview of this book

In the quest to develop robust, professional-grade software with Python and meet tight deadlines, it’s crucial to have the best tools at your disposal. In this second edition of Hands-on Application Development with PyCharm, you’ll learn tips and tricks to work at a speed and proficiency previously reserved only for elite developers. To achieve that, you’ll be introduced to PyCharm, the premiere professional integrated development environment for Python programmers among the myriad of IDEs available. Regardless of how Python is utilized, whether for general automation scripting, utility creation, web applications, data analytics, machine learning, or business applications, PyCharm offers tooling that simplifies complex tasks and streamlines common ones. In this book, you'll find everything you need to harness PyCharm's full potential and make the most of Pycharm's productivity shortcuts. The book comprehensively covers topics ranging from installation and customization to web development, database management, and data analysis pipeline development helping you become proficient in Python application development in diverse domains. By the end of this book, you’ll have discovered the remarkable capabilities of PyCharm and how you can achieve a new level of capability and productivity.
Table of Contents (24 chapters)
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1
Part 1: The Basics of PyCharm
4
Part 2: Improving Your Productivity
9
Part 3: Web Development in PyCharm
15
Part 4: Data Science with PyCharm
19
Part 5: Plugins and Conclusion

Working with PyCharm’s debugger

In Chapter 1, I lauded PyCharm’s debugger as the single biggest reason to use an IDE versus a command-line debugger such as the standard Python debugger, which is called pdb. Don’t get me wrong – you should learn to use pdb because there will be times when the IDE isn’t available. However, I suspect that once you use PyCharm’s, you’ll prefer it over anything else. Let’s see if I’m right.

We have a problem in our Transaction class that isn’t quite accurate. When it comes to testing, there are always two possibilities:

  • The code is failing because of a flaw in the code under test.
  • The code is failing because of the test code.

Since we don’t know which possibility is correct at this point, the debugger is going to allow us to step through our code one line at a time and inspect its inner workings. To do this, we need to set a breakpoint. A breakpoint marks...

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