Zhentiw - 博客园

2017年12月13日

摘要： Misunderstanding scope can cause problems in your application. Watch this lesson to learn how Python scope works and the hidden implications it presen 阅读全文

posted @ 2017-12-13 16:18 Zhentiw 阅读(302) 评论(0) 推荐(0)

[Python] Handle Exceptions to prevent crashes in Python

摘要： Exceptions cause your application to crash. Handling them allows you to recover gracefully and keep your application running. Learn how to handle exce 阅读全文

posted @ 2017-12-13 16:08 Zhentiw 阅读(223) 评论(0) 推荐(0)

[Python] Read and Parse Files in Python

摘要： This lesson will teach you how to read the contents of an external file from Python. You will also learn how to use the python csv module to read and 阅读全文

posted @ 2017-12-13 15:59 Zhentiw 阅读(289) 评论(0) 推荐(0)

[React] Write Compound Components

摘要： Compound component gives more rendering control to the user. The functionality of the component stays intact while how it looks and the order of the c 阅读全文

posted @ 2017-12-13 03:02 Zhentiw 阅读(285) 评论(0) 推荐(0)

2017年12月12日

[Python] Reuse Code in Multiple Projects with Python Modules

摘要： A module is a function extracted to a file. This allows you to import the function and use it in any other code you may write. You’ll learn how to cre 阅读全文

posted @ 2017-12-12 17:19 Zhentiw 阅读(193) 评论(0) 推荐(0)

2017年12月11日

[Parcel] Bundle a React App with Parcel

摘要： Parcel comes in as the new cool kid in the bundlers world. Unlike other bundlers which take lots of explicit configuration, Parcel works out of the bo 阅读全文

posted @ 2017-12-11 16:06 Zhentiw 阅读(270) 评论(0) 推荐(0)

[Javascript] Specify this using .call() or .apply()

摘要： A function's this argument is usually set implicitly, depending on how the function is called. Ordinary function calls, method calls, and constructor 阅读全文

posted @ 2017-12-11 15:54 Zhentiw 阅读(147) 评论(0) 推荐(0)

[Javascript] this in Function Calls

摘要： In most cases, the value of a function's this argument is determined by how the function is called. This lesson explains what thisrefers to when we ca 阅读全文

posted @ 2017-12-11 15:42 Zhentiw 阅读(243) 评论(0) 推荐(0)

[Python] Create a Log for your Python application

摘要： Print statements will get you a long way in monitoring the behavior of your application, but logging will get your further. Learn how to implement log 阅读全文

posted @ 2017-12-11 14:54 Zhentiw 阅读(239) 评论(0) 推荐(0)

[Python] Create Unique Unordered Collections in Python with Set

摘要： A set is an unordered collection with no duplicate items in Python. In this lesson, you will learn how to create them, and perform basic operations to 阅读全文

posted @ 2017-12-11 01:42 Zhentiw 阅读(173) 评论(0) 推荐(0)

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