Obster-Y's Blog

Series

Yes, Minister [[YM]]

Updated:

• S01E01 Open Government.srt
• S01E02 The Official Visit.srt
• S01E03 The Economy Drive.srt
• S01E04 Big Brother.srt
• S01E05 The Writing on the Wall.srt
• S01E06 The Right to Know.srt

Working on:

• S01E07~S03E07
• SP: Party Games

Yes, Prime Minister [[YM]]

Working on:

• S01
• S02

Movies

S02

开始

当在使用正则表达式时，你的目的就是从字符串中提取出你想要的东西，而正则表达式就是描述你要提取对象的一种语言；这种语言是跨平台的，在.NET, Java, JS, Py, Ruby, PHP上都可以使用。

为了学习这种描述被提取对象的语言，需要一些基础知识。

以下教程主要使用Python标准库的re模块与.NET平台的RegularExpressions模块，并在最后会提供其他语言的范例。

History of English words and its origins’ percentage.

Knowledge when configuring my keyboard and input method.

Summary of five common optimization algorithm.

Very basic introduction to data mining.

First day of Basic Algorithm training in Leetcode.
Two Sum

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class Solution:
    def twoSum(self, nums: List[int], target: int) -> List[int]:
        if len(nums) < 2: return []
        dic = {}
        for i, e in enumerate(nums):
            if e in dic:
                return [dic[e], i]
            dic[target - e] = i