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  • python单元测试unittest中添加测试集合报错:TypeError: addTest() missing 1 required positional argument: 'test&2020-04-02 19:56:31

         这个错误,每次都犯这种低级错误,我怎么这么菜! # 创建测试集合suite=unittest.TestSuite # 报错就是因为这个没有加括号正确代码: suite=unittest.TestSuite()再贴一下unittest框架做单元测试的步骤吧一、要测试的功能:比如说注册,函数名register,写在lianxi文件夹里面哦 user

  • mariadb服务器断电重启之后Missing MLOG_CHECKPOINT的解决办法2020-03-30 23:00:11

    服务器在重启之后mariadb无法启动,查看报错日志如下: 2020-03-30 22:41:13 0 [Note] InnoDB: Completed initialization of buffer pool 2020-03-30 22:41:13 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the m

  • 调用接口显示Required request body is missing2020-03-25 22:56:29

            基本的上都是请求方式的问题,get请求不需要加RequestBody注解,其他的请求需要    

  • hadoop block missing处理2020-03-17 16:01:25

    1、hdfs web界面出现文件block丢失         2、block丢失的时候报的什么错?  hadoop fs -get /user/bizlogcenter/warehouse/eunomia/160/warnning/2019-02-26/10.149.32.154.log 19/04/12 21:06:27 WARN hdfs.DFSClient: Found Checksum error for BP-1472871384-10.143.46.

  • iOS 多人共享开发者账户之 Missing Private Key2020-03-16 09:01:08

    因苹果规定 .cer证书只能存在于一台机器上,因此 如果另一台电脑想要用的话,需要导出为.p12 file ,安装到另一台电脑 把原来的同名.cer文件证书从keychain access工具中删掉,关闭keychain access工具,然后双击打开.p12文件! Ref: http://blog.sina.com.cn/s/blog_65c178a80102v985.html

  • Problem A. Missing Runners2020-03-15 21:09:54

    2018 Fall Waterloo ACM Local Contest Waterloo, Canada, September 30, 2018 Problem A. Missing Runners You are organizing a marathon with N runners. Every runner is given a distinct number from 1 to N, so they can be easily identified. You record the n

  • LeetCode第41题:First Missing Positive(Java、C++)详解2020-03-14 20:01:45

    Given an unsorted integer array, find the smallest missing positive integer. Example 1: Input: [1,2,0] Output: 3 Example 2: Input: [3,4,-1,1] Output: 2 Example 3: Input: [7,8,9,11,12] Output: 1 题目解析: 1、乍一看,题目很简单呀,但是限制了时间复杂度,题目就不

  • 1144 The Missing Number2020-03-14 12:02:01

     大致题意就是给出一连串的整数(包含正负),找出未出现过的最小正整数。 1 #include<iostream> 2 #include<map> 3 using namespace std; 4 5 int main() { 6 int n,t,ans = 1; 7 map<int,bool> mp; 8 cin>>n; 9 for(int i = 0; i < n; ++i) { 10

  • 【论文学习4】BiSample: Bidirectional Sampling for Handling Missing Data with Local Differential Privacy2020-03-09 21:57:42

    0.abstract LDP近年来受到广泛关注。现有的LDP保证的协议中,用户在将数据分享给聚合器之前,在本地对数据进行编码和扰动。然而,由于对于不同问题的不同隐私保护偏好,用户不愿意回答所有的问题。在本论文中,我们提出了一种方法来解决数据扰动的挑战,同时考虑用户的隐私偏好。具体来说,我们

  • 'artifactId' is missing. @ line 2, column 1092020-03-08 19:03:05

    错误背景:本地能够正常启动和调试应用,就是打包构建失败。 详细错误信息如下: [ERROR] [ERROR] Some problems were encountered while processing the POMs: [FATAL] 'artifactId' is missing. @ line 2, column 109 [WARNING] 'build.plugins.plugin.(groupId:artifactId)' must

  • 问题:Unable to start ServletWebServerApplicationContext due to missing ServletWebServerFactory bean.2020-02-22 19:03:16

    初次使用IDEA自带的Tomcat时,在maven中添加坐标,应修改scope的值为compile <dependency>             <groupId>org.springframework.boot</groupId>             <artifactId>spring-boot-starter-tomcat</artifactId>             <scope>provided</scop

  • 采购收货中的缺件提示功能(Missing Parts Check)详解2020-02-07 09:35:54

    采购收货中的缺件提示功能(Missing Parts Check)详解 作者:袁云飞(AlbertYuan)- 微信号yuanalbert 以下内容均为原创,希望对初学者有一些辅助作用,本人主要从事MM/QM/WM的相关工作,不专业处请多多指点,十足干货,码字不易,且行且珍惜,你们的关注就是我努力的动力,转载请引用出处,感激不尽;

  • 解决DVWA中reCAPTCHA API key missing from config file问题2020-01-28 15:37:18

    在DVWA中测试Insecure CAPTCHA不安全的验证码关卡时,出现报错: 出现该问题是因为使用reCAPTCHA没有申请密钥,因此需要手动填入密钥,打开提示的配置文件,找到 $_DVWA[ 'recaptcha_public_key' ] = ''; $_DVWA[ 'recaptcha_private_key' ] = ''; 改为: $_DVWA[ 'recaptcha_public_

  • 机器学习-特征工程-Missing value和Category encoding2020-01-17 19:03:41

    好了,大家现在进入到机器学习中的一块核心部分了,那就是特征工程,洋文叫做Feature Engineering。实际在机器学习的应用中,真正用于算法的结构分析和部署的工作只占很少的一部分,相反,用于特征工程的时间基本都占70%以上,因为是实际的工作中,绝大部分的数据都是非标数据。因而这一块的内容

  • Maven:Missing artifact com.sun:tools:jar:1.8.02020-01-17 10:40:43

    <dependency> <groupId>org.crazycake</groupId> <artifactId>shiro-redis</artifactId> <version>3.1.0</version> </dependency> 项目引用shiro-redis,shiro-redis引用了 <dependency> <groupId>com.sun</gro

  • 错误TypeError: KeyboardSwitch() missing 8 required positional arguments: 'msg', 'vk_cod2020-01-14 23:01:00

    环境:win7 + Python3.6 程序代码使用了pyHook处理键盘快捷键事件,普通的键盘输入程序正常工作。一旦使用切换窗口快捷键:ALT + Tab,程序关闭,控制台提示错误: TypeError: KeyboardSwitch() missing 8 required positional arguments: 'msg', 'vk_code', 'scan_code', 'ascii', 'flags&#

  • Openwrt编译 -- 解决 Package test is missing dependencies for the following libraries libcrypto.so.1.12020-01-13 11:06:30

    根据项目要求需要用到 openssl 这个库,看了看编译环境幸好本身就集成了该库。但在编译 openssl 的功能时,碰到缺少类库的错误。 Package user-crypto-test is missing dependencies for the following libraries: libcrypto.so.1.1 看了看 编译器路径 /home/song/openwrt/o

  • SQLSERVER 效能 建议加索引 EXEC sp_updatestats;2019-12-25 19:56:58

    SELECT TOP 30 [Total Cost] = ROUND(avg_total_user_cost * avg_user_impact * (user_seeks + user_scans),0) , avg_user_impact , TableName = statement , [EqualityUsage] = equality_columns , [InequalityUsage] = inequality_

  • djangopost请求报错:Forbidden (CSRF token missing or incorrect.)2019-12-17 12:04:24

    解决办法:引入csrf_exempt包: from django.views.decorators.csrf import csrf_exempt 然后增加装饰器: @csrf_exempt def register(request): request.encoding='utf-8' if request.GET: return render(request,'register.html') elif reques

  • leetcode 41. First Missing Positive2019-12-15 21:57:57

    看不懂1 var firstMissingPositive = function(nums) { var N = nums.length; var A = new Uint16Array(N) for(var i = 0; i < N; i++) if(nums[i]>0 && nums[i]<=N) A[nums[i]-1] = nums[i]; fo

  • 编译出现 WARNING: 'aclocal-1.15' is missing on your system.问题解决2019-12-03 09:51:23

    1. ubuntu14.04 出现这个问题,需要手动安装  Automake-1.15 2. 下载地址: http://ftp.gnu.org/gnu/automake/ http://ftp.gnu.org/gnu/automake/automake-1.15.tar.gz   3. 编译 ./configure --docdir=/usr/share/doc/automake-1.15make  4. 安装 sudo make install   就可以了

  • texi2html 源码编译2019-11-29 19:02:10

    源码地址 http://download.savannah.gnu.org/releases/texi2html/调用错误[root@ecs-14c3 doc]# /usr/local/bin/texi2html -expandinfo -number-footnotes -monolithic `if test -f indent.texinfo; then echo indent.texinfo; else echo ./indent.texinfo; fi`Unescaped left br

  • problem中Project'xxx'is missing required library:'[路径]\XXX.jar'解决方法以及关闭Myeclipse2019-10-26 10:04:56

    1、problem中Project'xxx'is missing required library:'[路径]\XXX.jar' 项目根目录出现红叉,如下图所示:    出现这种情况原因是在你项目的build path Library中存在重复并且冲突或者地址引用错误的jar包,我们可以这样来解决: 右击项目--->build path---->Configure build P

  • ubuntu conda install ERROR missing write permission错误2019-09-28 10:54:58

    报错: ondaIOError: Missing write permissions in: /usr/local/anaconda3## You don't appear to have the necessary permissions to install packages# into the install area '/usr/local/anaconda3'.# However you can clone this environment into your h

  • 提交代码时报xcrun: error: invalid active developer path, missing xcrun错误2019-09-11 12:00:49

    笔者昨天晚上下班将Mac升级了下系统,升级到了Mac10.14.6。 【这是导致提交代码报xcrun: error: invalid active developer path, missing xcrun错误的罪魁祸首】 升级后的版本如下所示: 命令行报错: xcrun: error: invalid active developer path (/Library/Developer/Comma

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