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翱翔天地
技术在于专注！主要从事前端开发，熟悉vue、jQuery、uniapp等，有微信公众号和微信小程序开发经验，熟练使用echarts、highcharts、帆软报表；了解Java、python和mysql
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1、错误描述2、错误原因 由于django框架的settings.py配置了中间件，为了防止跨站请求伪造，form表单POST方式会导致出现报错"""Django settings for amnd project.Generated by 'django-admin startproject' using Django 2.2.7.For more information on this file, seehttps://docs.djangoproject.com...原创 2020-08-11 11:28:44 · 5025 阅读 · 2 评论 -
UnicodeDecodeError: 'utf-32-le' codec can't decode bytes in position 0-3: code point not in range
1、错误描述F:\PyCharmWorkSpace\cmn\venv\Scripts\python.exe F:/PyCharmWorkSpace/cmn/venv/numpys/A.py[ True True True True]F:/PyCharmWorkSpace/cmn/venv/numpys/A.py:7: DeprecationWarning: In future, i...原创 2019-11-08 09:32:09 · 3070 阅读 · 0 评论 -
AttributeError: 'NoneType' object has no attribute 'span'
1、错误描述E:\PycharmProjects\cmn\venv\Scripts\python.exe E:/PycharmProjects/cmn/venv/com.you.cmn/L.pyTraceback (most recent call last): File "E:/PycharmProjects/cmn/venv/com.you.cmn/L.py", line 3, i...原创 2019-10-28 14:50:10 · 5105 阅读 · 0 评论 -
TypeError: 'int' object is not callable
1、错误描述>>> import time;>>> time.altzone();Traceback (most recent call last): File "<pyshell#14>", line 1, in <module> time.altzone();TypeError: 'int' object is...原创 2019-10-22 16:24:06 · 698 阅读 · 0 评论 -
TypeError: unhashable type: 'list'
1、错误描述>>> e = {['n']:'zahng','age':'23'};Traceback (most recent call last): File "<pyshell#76>", line 1, in <module> e = {['n']:'zahng','age':'23'};TypeError: unhashabl...原创 2019-10-22 15:50:54 · 6587 阅读 · 0 评论 -
python中打印换行和不换行
1、问题背景 在python语言中，使用print()进行打印，默认是换行打印；如果要实现不换行打印，可以在print()添加第二个参数end=''2、实现源码nums = [12,34,45,64,77,89,90,21,34,54];even = [];odd = [];i = 0;while i < len(nums): num = nums.p...原创 2019-10-21 16:45:01 · 8525 阅读 · 0 评论 -
TypeError: 'int' object is not subscriptable
1、错误描述E:\PycharmProjects\cmn\venv\Scripts\python.exe E:/PycharmProjects/cmn/venv/com.you.cmn/E.pyTraceback (most recent call last): File "E:/PycharmProjects/cmn/venv/com.you.cmn/E.py", line 8, i...原创 2019-10-21 15:28:04 · 12810 阅读 · 3 评论 -
KeyError: 1
1、错误描述E:\PycharmProjects\cmn\venv\Scripts\python.exe E:/PycharmProjects/cmn/venv/com.you.cmn/B.py1('you', 2)(2, 'hai', 3, 'dong')('hai', 3)(1, 'you', 2, 'hai', 3, 'dong', 1, 'you', 2, 'hai', 3...原创 2019-10-21 11:47:55 · 10414 阅读 · 0 评论 -
TypeError: list indices must be integers or slices, not tuple
1、错误描述E:\PycharmProjects\cmn\venv\Scripts\python.exe E:/PycharmProjects/cmn/venv/com.you.cmn/A.pyTraceback (most recent call last): File "E:/PycharmProjects/cmn/venv/com.you.cmn/A.py", line 15, ...原创 2019-10-21 11:32:24 · 1105 阅读 · 0 评论 -
No Python at ‘E:\Python\python.exe’
1、错误描述2、错误原因 由于python版本更新，需要升级，先将原来的python卸载了，然后安装新版本（3.8.0），结果pycharm找不到python编辑器3、解决办法（1）重新配置python编译器（2）创建新项目，选择新版本编译器...原创 2019-10-21 10:18:41 · 34348 阅读 · 3 评论 -
如何使用numpy库获取不同的数组（查看元素）
1、使用arange()生成数组import numpy as np;A = np.arange(100);print(A);结果：[ 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 4...原创 2019-04-30 22:54:22 · 1142 阅读 · 1 评论 -
如何使用python语言中的numpy库获取矩阵的属性
1、实现源码import numpy as np;n = np.array([[21,33,24,35,46,57,78], [20,34,46,57,69,28,12], [63,72,84,95,36,37,28], [19,33,24,13,45,30,41], ...原创 2019-04-30 22:47:15 · 674 阅读 · 0 评论 -
如何使用pygame模块绘制一个窗口并设置颜色
1、实现源码import sys;import pygame;pygame.init();s = width,height = 600,400;sc = pygame.display.set_mode(s);c = (0,153,204);while True: for e in pygame.event.get(): if e.type == pyg...原创 2019-04-29 23:52:20 · 2211 阅读 · 1 评论 -
如何使用python语言中的方法对列表进行增删改操作
1、添加元素>>> week = ["星期一","星期二","星期三","星期四","星期五","星期六"];>>> week.append("星期日");>>> week;['星期一', '星期二', '星期三', '星期四', '星期五', '星期六', '星期日']>>> 2、修改元素>&g...原创 2019-03-31 22:15:35 · 403 阅读 · 0 评论 -
如何操作python语言中的元素并计算相应的属性
1、计算长度>>> A = ["mn","cd","ef","kl","wq","rt"];>>> len(A);6>>> 2、计算最小值>>> B = [21,45,67,88,98,33,56,12,1,3];>>> min(B);1>>> 3、计算最大值...原创 2019-03-31 22:02:19 · 366 阅读 · 0 评论 -
如何操作python语言中的列表并获取对应的元素
1、定义列表>>> a = [1,2,3,4,5,6,7,8,9,0];>>> a;[1, 2, 3, 4, 5, 6, 7, 8, 9, 0]>>> 2、切片>>> b = ["a","c","f","m","n","k","e"];>>> b[2];'f'>>>...原创 2019-03-31 21:57:30 · 6145 阅读 · 0 评论 -
如何使用python语言中的常见数据类型转换函数
1、int()：将字符串转换成整数类型>>> int("456");456>>> 2、float()：将字符串转换成浮点类型>>> float("89.236");89.236>>> 3、complex()：创建一个复数，参数为实部和虚部>>> complex("58","9...原创 2019-03-31 11:42:44 · 1302 阅读 · 0 评论 -
django.core.exceptions.ImproperlyConfigured: Requested setting INSTALLED_APPS
1、错误描述E:\PycharmProjects\cdk\venv\Scripts\python.exe E:/PycharmProjects/cdk/venv/diango/a10.pyTraceback (most recent call last): File "E:/PycharmProjects/cdk/venv/diango/a10.py", line 3, in <...原创 2019-01-10 16:08:52 · 2701 阅读 · 8 评论 -
TypeError: __init__() missing 1 required positional argument: 'name'
1、错误描述Hello WorldTraceback (most recent call last): File "G:\NetBeansWork\Color\src\color.py", line 15, in <module> stu = Student();TypeError: __init__() missing 1 required positional...原创 2018-12-21 14:15:49 · 21160 阅读 · 0 评论 -
KeyError: 'plotly_domain'
1、错误描述E:\PycharmProjects\cdk\venv\Scripts\python.exe E:/PycharmProjects/cdk/venv/plotly/b.pyTraceback (most recent call last): File "E:/PycharmProjects/cdk/venv/plotly/b.py", line 14, in <mod...原创 2018-11-28 15:32:00 · 1404 阅读 · 0 评论 -
SyntaxError: invalid syntax
1、错误描述>>> num=input('请输入一个整数：');请输入一个整数：78>>> if num < 10: num=10; print("你输入的整数小于10"); elif num < 20: SyntaxError: invalid syntax2、错误原因 Python语言中的if语句，代码格式需要对其，否则认为不正确的语法3、解决办法 利用Bac原创 2017-04-22 00:57:21 · 7758 阅读 · 0 评论 -
TypeError: '<' not supported between instances of 'str' and 'int'
1、错误描述>>> num=input('请输入一个整数：');请输入一个整数：78>>> if num < 10: num=10; print("你输入的整数小于10"); elif num < 20: SyntaxError: invalid syntax>>> if num<10: num=10; print("小于10");elif num < 20: num=原创 2017-04-22 01:02:04 · 19280 阅读 · 0 评论 -
SyntaxError: non-default argument follows default argument
1、错误描述>>> def apple(sale[],you): SyntaxError: invalid syntax>>> def apple(sale=[],you): sale.append(you); SyntaxError: non-default argument follows default argument>>> 2、错误原因3、解决办法原创 2017-04-22 11:17:13 · 4988 阅读 · 0 评论 -
TypeError: fun() got multiple values for argument 'arg'
1、错误描述>>> def fun(arg): pass;>>> fun(1,arg=3);Traceback (most recent call last): File "", line 1, in fun(1,arg=3);TypeError: fun() got multiple values for argument 'arg'>>> 2、错误原因3、解决办法原创 2017-04-22 15:04:22 · 31209 阅读 · 2 评论 -
ModuleNotFoundError: No module named 'Cookie'
1、错误描述>>> import Cookie;Traceback (most recent call last): File "", line 1, in import Cookie;ModuleNotFoundError: No module named 'Cookie'>>> import cookie;Traceback (most recent call last)原创 2017-05-06 11:44:58 · 11950 阅读 · 0 评论 -
TypeError: unsupported operand type(s) for +: 'int' and 'str'
1、错误描述>>> import time;>>> di={1:'A',2:'B'};>>> for key,value in dict.items(di): print(key+","+value); time.sleep(2); Traceback (most recent call last): File "", line 2, in print(key+","+原创 2017-05-08 21:01:57 · 21563 阅读 · 0 评论 -
TypeError: not all arguments converted during string formatting
1、错误描述>>> a=1;>>> b=1;>>> for i in range(1,21): print('121d %121d' % (a,b)); if(i%3==0): a=a+b ; b=a+b; Traceback (most recent call last): File "", line 2, in print('121d %121d' % (原创 2017-05-08 21:34:00 · 4397 阅读 · 1 评论 -
serial.serialutil.SerialException: could not open port 'COM1': PermissionError(13, '拒绝访问。', None, 5)
1、错误描述>>> import serial;>>> t=serial.Serial>>> t=serial.Serial("COM1",4800);Traceback (most recent call last): File "", line 1, in t=serial.Serial("COM1",4800); File "D:\Python\Python36\li原创 2017-05-10 11:18:52 · 37273 阅读 · 13 评论 -
TypeError: unicode strings are not supported, please encode to bytes: 'hu'
1、错误描述>>> t=serial.Serial("COM3",4800);>>> n=t.write('00000200=0000020');Traceback (most recent call last): File "", line 1, in n=t.write('00000200=0000020'); File "D:\Python\Python36\lib\s原创 2017-05-10 11:26:48 · 23926 阅读 · 4 评论 -
SyntaxError: inconsistent use of tabs and spaces in indentation
1、错误描述>>> score = int(input('输入一个分数：'));输入一个分数：78>>> if score >= 90: grade = 'A'; elif score >= 80: SyntaxError: invalid syntax>>> score = int(input("输入一个分数："));输入一个分数：87>>> if score >= 90:原创 2017-05-10 14:31:29 · 3153 阅读 · 0 评论 -
TypeError: set expected at most 1 arguments, got 4
1、错误描述>>> set(1,3,4,56); Traceback (most recent call last): File "<pyshell#157>", line 1, in <module> set(1,3,4,56);TypeError: set expected at most 1 arguments, got 42...原创 2018-05-20 19:23:03 · 28574 阅读 · 1 评论 -
如何下载、安装和更新pyinstaller的python第三方包
1、下载pyinstallerpip install https://github.com/pyinstaller/pyinstaller/archive/develop.tar.gz2、安装pyinstallerpip install pyinstaller3、更新pyinstallerpip install --upgrade pyinstaller原创 2018-05-20 19:30:08 · 32125 阅读 · 4 评论 -
TypeError: int() can't convert non-string with explicit base
1、错误描述>>> int(67,8); Traceback (most recent call last): File "<pyshell#172>", line 1, in <module> int(67,8);TypeError: int() can't convert non-string with explicit bas...原创 2018-05-20 20:15:46 · 29665 阅读 · 0 评论 -
TypeError: complex() can't take second arg if first is a string
1、错误描述>>> complex("7845",656232);Traceback (most recent call last): File "<pyshell#1>", line 1, in <module> complex("7845",656232);TypeError: complex() can't take second原创 2018-05-21 10:04:41 · 1265 阅读 · 0 评论 -
TypeError: string indices must be integers
1、错误描述>>> print(st[-1,-6]);Traceback (most recent call last): File "<pyshell#13>", line 1, in <module> print(st[-1,-6]);TypeError: string indices must be integers>>...原创 2018-05-21 10:25:32 · 20204 阅读 · 0 评论 -
如何对pip进行升级并安装MySQL-python
1、升级pip的命令python -m pip install --upgrade pip2、安装MySQL-pythonpip install MySQL-python原创 2018-05-15 13:12:27 · 2506 阅读 · 0 评论 -
TypeError: 'module' object is not callable
1、错误描述Traceback (most recent call last): File "E:\PyCharm\helpers\pydev\pydev_run_in_console.py", line 52, in run_file pydev_imports.execfile(file, globals, locals) # execute the script Fi...原创 2018-11-28 14:04:10 · 1274 阅读 · 0 评论 -
SyntaxError: Non-UTF-8 code but no encoding declared
1、错误描述 File "E:\workspaces\Python\src\com\you\python\__init__.py", line 2SyntaxError: Non-UTF-8 code starting with '\xd5' in file E:\workspaces\Python\src\com\you\python\__init__.py on line 2, but n原创 2017-03-25 23:37:14 · 3053 阅读 · 0 评论