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1原创 2020-11-21
c+o+l 按照代码风格自动排版ctrl+/批量注释ctrl+鼠标左键：跳转到点击的变量或者函数定义的地方ctrl+alt+方向键左键：跳回去；右键跳回去ctrl+w代码扩展ctrl+— 压缩代码ctrl+d 复制一行trl+y 删除一行代码分块先把鼠标放在注视第一处，然后alt到其他处：多行注释相同内容...
2020-11-21 22:49:41
70
原创 2020-11-21
pandas用csv读文件pandas用csv读文件有时候会遇到utf-8和gbk问题，而且往往不能简单的用# -*- coding:utf-8 -*-或者’r’变‘rb’来实现这个时候就要换种pandas读数据方式了：data = pd.read_csv(‘002.xlsx’)data = pd.read_excel(‘002.xlsx’)data = pd.read_sql(‘002.xlsx’)...
2020-11-21 20:56:31
65
原创 2020-11-14
1.数组leetcodeclass SubrectangleQueries:def __init__(self, rectangle: List[List[int]]): self.data = rectangle self.update = []def updateSubrectangle(self, row1: int, col1: int, row2: int, col2: int, newValue: int) -> None: self.update.appe
2020-11-14 17:07:49
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原创 2020-11-11
**MonkeyPatchWarning: Monkey-patching ssl after ssl has already been imported may lead to errors, including RecursionError on Python 3.6. It may also silently lead to incorrect behaviour on Python 3.7. Please monkey-patch earlier. See **要先引用多协程模块monkey.pa
2020-11-11 17:39:01
47
原创 安装selenium成功报错
安装selenium成功报错原因我的python.exe安装包是装在anaconda.exe同等级的文件层级的，但是我把chromedriver.exe复制粘贴到了。E:\anaconda3\pkgs\python-3.7.4-h5263a28_0文件夹下，也就是说我的python.exe有两个安装路径，至于为什么跟当初折腾pytorch有关…不说了，d盘已经满了，就是因为anaconda给我装了太多pkgs了，得去清一清我们对Markdown编辑器进行了一些功能拓展与语法支持，除了标准的Markd
2020-11-11 16:15:44
107
原创 UnicodeDecodeError: 'gbk' codec can't decode byte 0x80 in position 0: illegal multibyte sequence
5.2记录f = open(‘testData’)testData = pickle.load(f)错误提醒=>UnicodeDecodeError: ‘gbk’ codec can’t decode byte 0x80 in position 0: illegal multibyte sequence修改为f = open(‘testData’, ‘rb+’)testData...
2019-05-02 15:13:31
1368
原创 Python~~NameError: name 'file' is not defined；TypeError: write() argument must be str, not bytes
初学python，记录一下下f = file(‘testData’,‘w’)显示有误 ：f = file(‘testData’,‘w’)NameError: name ‘file’ is not defined查了下，应该把file改为open：f = open(‘testData’,‘w’)发现仍有问题，进一步修正：f = open(‘testData’,‘wb+’)因为默认二...
2019-05-02 14:28:04
290
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