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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(238) 评论(0) 推荐(0)
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(114) 评论(0) 推荐(0)
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(219) 评论(0) 推荐(0)
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(214) 评论(0) 推荐(0)
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(153) 评论(0) 推荐(0)
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(200) 评论(0) 推荐(0)
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(300) 评论(0) 推荐(0)
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)
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(230) 评论(0) 推荐(0)
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(174) 评论(0) 推荐(0)
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