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How to merge 2 List and removing duplicate values from it in C#
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Have you had a look at Enumerable.Union
This method excludes duplicates from the return set. This is different
behavior to the Concat
method, which returns all the elements
in the input sequences including
duplicates.
List<int> list1 = new List<int...
JOIN two SELECT statement results
...
Use UNION:
SELECT ks, COUNT(*) AS '# Tasks' FROM Table GROUP BY ks
UNION
SELECT ks, COUNT(*) AS '# Late' FROM Table WHERE Age > Palt GROUP BY ks
Or UNION ALL if you want duplicates:
SELECT ks, COUNT(*) AS '# Tasks' FROM Ta...
HP ILO3 IL 100i DELL IDRAC6 配置总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...面了
在WEB页面里输入HTTP://IP 地址 会弹出输入用户名密码的对话框
默认用户名密码都为admin
进入控制页面后
可以再这里更改密码
ILO100默认是没有远程KVM 的需要输入LICENSE 才会出来
点击就会出来远程KVM了
注意 i...
net use命令使用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...User:username /PERSISTENT:YES (映射到本地X盘符)
注意:密码一定用双引号,不可用单引号,不然会把单引号当作密码一部分导致可能出现如下错误:
1)发生系统错误 1219。 (同用户名已经登录)
不...
net use命令使用方法 - 脚本技术 - 清泛IT论坛,有思想、有深度
...STENT:YES (映射到本地X盘符)
注意:密码一定用双引号,不可用单引号,不然会把单引号当作密码一部分导致可能出现如下错误:
1)发生系统错误 1219。 ...
Grant **all** privileges on database
...e this answer can solve the problem of access, WITH GRANT OPTION creates a MySQL user that can edit the permissions of other users.
The GRANT OPTION privilege enables you to give to other users or remove from other users those privileges that you yourself possess.
For security reasons, you should ...
设置用户默认权限 Umask命令详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...最终的权限变成了755(777 – 022)。
顺便再介绍一下如何方便的修改目录或文件的权限:
shell> find /path -type d -print0 | xargs -0 chmod 755
shell> find /path -type f -print0 | xargs -0 chmod 644
本次补习班下课!
Umask 默认权限
Git 工具 - 子模块(submodule):一个仓库包含另一个仓库 - 开源 & Github -...
...保持提交的独立。
开始使用子模块
我们将要演示如何在一个被分成一个主项目与几个子项目的项目上开发。
我们首先将一个已存在的 Git 仓库添加为正在工作的仓库的子模块。 你可以通过在 git submodule add 命令后面加...
Simple way to transpose columns and rows in SQL?
... if you do not have access to those functions this can be replicated using UNION ALL to UNPIVOT and then an aggregate function with a CASE statement to PIVOT:
Create Table:
CREATE TABLE yourTable([color] varchar(5), [Paul] int, [John] int, [Tim] int, [Eric] int);
INSERT INTO yourTable
([color...
Does MySQL included with MAMP not include a config file?
I can't seem to find the my.cnf or other config file for the MySQL that comes with MAMP . Does it not include one?
6 Answe...