Zhentiw - 博客园

2017年12月11日

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(221) 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(216) 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(155) 评论(0) 推荐(0)

[Python] Manipulate Data with Dictionaries in Python

摘要： Dictionaries may be familiar to you as hash maps. In this lesson, you will learn how to create them, get the values, and delete elements from the dict 阅读全文

posted @ 2017-12-11 01:34 Zhentiw 阅读(202) 评论(0) 推荐(0)

2017年12月10日

[Python] Understand List Comprehensions in Python

摘要： List comprehensions provide a concise way to create new lists, where each item is the result of an operation applied to each member of an existing lis 阅读全文

posted @ 2017-12-10 23:24 Zhentiw 阅读(302) 评论(0) 推荐(0)

[Python] isinstance() for checking object type

摘要： isinstance("foo", str) isinstance(1, int) isinstance(4.0, float) 阅读全文

posted @ 2017-12-10 23:14 Zhentiw 阅读(177) 评论(0) 推荐(0)

[Python] Find available methods and help in REPL

摘要： For example you want to know what methods are available in Python for String, you can do : Output: Now for example, we want to see How to use 'swapcas 阅读全文

posted @ 2017-12-10 02:46 Zhentiw 阅读(232) 评论(0) 推荐(0)

2017年12月9日

[Python] Format Strings in Python

摘要： Single quotes and double quotes can both be used to declare strings in Python. You can even use triple-double quotes! Learn when to use each in this l 阅读全文

posted @ 2017-12-09 23:05 Zhentiw 阅读(176) 评论(0) 推荐(0)

[Python] Execute a Python Script

摘要： Python scripts can be executed by passing the script name to the python command or created as executable commands that can run stand-alone. You’ll lea 阅读全文

posted @ 2017-12-09 17:59 Zhentiw 阅读(1556) 评论(0) 推荐(0)

[Python] Understand Mutable vs. Immutable objects in Python

摘要： In this lesson, you will learn what mutable and immutable objects are, and the difference between them. This understanding will help you determine whe 阅读全文

posted @ 2017-12-09 17:53 Zhentiw 阅读(272) 评论(0) 推荐(0)

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