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  • [Go] switch - fallthrough2022-09-04 16:32:03

    fallthrough keyword is used in switch statement in golang. This keyword is used in switch case block. If the fallthrough keyword is present in the case block, then it will transfer control to the next case even though the current case might have matched.

  • Why No Password Is Better than One Password 文章学习2022-09-04 12:00:49

    Why No Password Is Better than One Password 是由curity 团队写的一篇文章,说明了No Password的一种实践详细的参考链接,以下是一些整理 什么是无密码 界面中不需要输入任何密码,key 可选的模式 比如早期的sms,邮件,实际上解决方法很多 使用密码的问题 密码简单了,容易被攻击 复杂密

  • Python入门系列(五)一篇搞懂python语句2022-08-30 10:02:59

    If语句 elif关键字是pythons表示“如果前面的条件不为真,那么试试这个条件”。 The else keyword catches anything which isn't caught by the preceding conditions. a = 200 b = 33 if b > a: print("b is greater than a") elif a == b: print("a and b are equal") el

  • MySQL分区介绍与使用2022-08-25 10:04:51

    一、MySQL分区创建   MySQL创建方式一共有四种:range、list、hash和key。 1.range(官方文档) 1.1 int create table staff( id int(32) not null, code_ varchar(30), fname varchar(30), time_ date, primary key(`id`,`time_`) ) partition by range(id)( partition p

  • 前端vue地图自动定位当前位置2022-08-02 12:03:43

      先到高的开放平台申请key 在index.html引入高德地图文件 <link rel="stylesheet" href="https://a.amap.com/jsapi_demos/static/demo-center/css/demo-center.css" /> <script src="https://webapi.amap.com/maps?v=1.4.15&key='key值'&p

  • ORA-7445 opiaba2022-06-30 00:01:59

    ORA-7445 opiaba 目录ORA-7445 opiaba1. [opiaba()+639] [SIGSEGV] [ADDR:0x0] [PC:0x187BC27] [SI_KERNEL(general_protection)] [] 1. [opiaba()+639] [SIGSEGV] [ADDR:0x0] [PC:0x187BC27] [SI_KERNEL(general_protection)] [] 首参数opiaba trace文件中的dump问题语句中存在超

  • springboot+mysql配置多数据源时遇到的问题2022-06-28 14:03:15

    1.org.springframework.beans.factory.NoUniqueBeanDefinitionException: No qualifying bean of type 'javax.sql.DataSource' available: more than one 'primary' bean found among candidates: [clusterDataSource, masterDataSource] 解决方案:spring bo

  • The Zen of Python, by Tim Peters2022-06-26 10:00:38

    Beautiful is better than ugly. Explicit is better than implicit. Simple is better than complex. Complex is better than complicated. Flat is better than nested. Sparse is better than dense. Readability counts. Special cases aren't special enough to br

  • ​​​​​​​ARCGIS API for Python进行城市区域提取2022-06-15 12:03:40

    ​ArcGIS API for Python主要用于Web端的扩展和开发,提供简单易用、功能强大的Python库,以及大数据分析能力,可轻松实现实时数据、栅格数据、空间数据等多源数据的接入和GIS分析、可视化,同时提供对平台的空间数据管理和组织管理功能。本篇博客将和大家分享,使用ArcGIS API for Pytho

  • cigar2022-06-11 21:31:52

    A cigar is a rolled bundle of dried and fermented tobacco leaf, produced in a variety of types and sizes to be smoked. Cigar tobacco is grown in significant quantities primarily in Central America and the islands of the Caribbean, including Cuba, the Domi

  • Django模板(请用Django2.0版本完成)2022-05-21 13:01:43

    1. 在learn目录下新建一个templates文件夹,里面新建一个home.html (1) 很简单的,就直接右键learn,新建文件夹,完成后,继续右键templates,创建文档,后缀名为html就好。             (2)在home.html中写内容 <!DOCTYPE html> <html> <head>     <title>欢迎光临</title> </head> <

  • “atoms are time integrated more than once”警告,常见三种原因及解决办法(原子多次积分)2022-05-15 21:34:59

    摘自:https://mp.weixin.qq.com/s/9AXfK4pttzhwZ3H7U-JIgw (小马老师)   本文介绍lammps in文件编写过程中一个常见的错误:重复积分。 分子动力学模拟的主要运算是原子的积分运算,通过求解积分方程得到原子的受力以及计算原子的速度,从而得出下一时刻原子的位置和状态。 原子的积分体现

  • Android 常见问题2022-05-15 06:31:15

    More than one file was found 这种情况属于依赖项中存在多个同名文件,系统不知道选择那个进行编译。 解决办法: 在app目录下的build.gradle文件中添加以下代码 packagingOptions { exclude 'META-INF/DEPENDENCIES' } exclude 什么取决于编译器报什么样的 more than one file

  • [LeetCode] 1292. Maximum Side Length of a Square with Sum Less than or Equal to Threshold 元素和小于等于阈值的2022-04-15 10:02:21

    Given a m x n matrix mat and an integer threshold, return the maximum side-length of a square with a sum less than or equal to threshold or return 0 if there is no such square. Example 1: Input: mat = [[1,1,3,2,4,3,2],[1,1,3,2,4,3,2],[1,1,3,2,4,3,

  • 实验二2022-04-13 11:32:55

    task1.py 1 x = list(range(10)) 2 print('整数输出1: ', end = '') 3 for i in x: 4 print(i, end=' ') 5 6 print('\n整数输出2: ', end = '') 7 for i in x: 8 print(f'{i:02d}', end = '-

  • 实验二2022-04-13 11:00:19

      x = list(range(10)) print('整数输出1: ', end = '') for i in x: print(i, end=' ') print('\n整数输出2: ', end = '') for i in x: print(f'{i:02d}', end = '-') # 指定每个整数输出宽度占两列,不足两列,左边补0 print(�

  • 实验22022-04-13 10:03:15

    实验任务1 x=list(range(10)) print('整数输出1:',end='') for i in x: print(i,end=' ') print('\n整数输出2:',end='') for i in x: print(f'{i:02d}',end='-') print('\n整数输出3:',end=&

  • 实验22022-04-12 22:32:09

    task1.py x = list(range(10)) print('整数输出1: ', end = '') for i in x: print(i, end=' ') print('\n整数输出2: ', end = '') for i in x: print(f'{i:02d}', end = '-') print('\n

  • 实验2 字符串和列表2022-04-12 21:31:51

    task1 x = list(range(10)) print('整数输出1: ', end = '') for i in x: print(i, end=' ') print('\n整数输出2: ', end = '') for i in x: print(f'{i:02d}', end = '-') print('\n整数输出3:

  • 实验22022-04-12 18:00:06

    1. x=list(range(10)) print('整数输出1:',end='') for i in x: print(i,end='') print('\n整数输出2:',end='') for i in x: print(f'{i:02d}',end='-') print('\n整数输出3:', end=

  • 实验22022-04-12 13:00:52

    x = list(range(10)) print('整数输出1: ',end='') for i in x: print(i,end='') print('\n整数输出2: ',end='') for i in x: print(f'{i:02d}',end='-') print('\n整数输出3: ',end='&

  • 实验22022-04-11 23:00:06

    task1.pyx = list(range(10)) print('整数输出1: ', end='') for i in x: print(i, end=' ') print('\n整数输出2: ', end='') for i in x: print(f'{i:02d}', end='-') print('\n整数输出3: '

  • 实验2 字符串和列表2022-04-11 22:01:27

    x = list(range(10)) print('整数输出1:',end = '') for i in x: print(i,end = '') print('\n整数输出2:',end = '') for i in x: print(f'{i:02d}',end = '-') print('\n整数输出3:',end

  • 实验22022-04-11 20:32:14

    x = list(range(10)) print('整数输出1: ',end = '') for i in x: print(i,end = ' ') print('\n整数输出2: ',end = '') for i in x: print(f'{i:02d}', end = '-') print('\n整数输出3: '

  • 实验22022-04-11 19:33:35

    TASK1 x = list(range(10)) print('整数输出1: ', end = '') for i in x: print(i, end=' ') print('\n整数输出2: ', end = '') for i in x: print(f'{i:02d}', end = '-') print('\n整数输出3:

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