2012.12.26 Hi all, How are you doing? Merry post-Christmas and happy upcoming New year!! I wish you had a good one this year. Our one week one time English corner is coming back! Are you excited to hear that. I know that you cannot wait to join us. Y…

 Keywords  Descriptions  FWIW  For what it's worth(不管结果怎样)  ASAP  As Soon As Possible(尽快)  FYI  For Your Information(信息供您参考) AFAIK  As Far As I Know(据我所知) LMK  Let Me Know(让我知道) BTW  By The Way(顺便说一句) WIP  Work In Progress(工作在进行中) BRB  I'll be right …

C++ I/O stream Ø The first, you should understand following: ... Ø Text: Ø Version: Visual studio 2015 Ø What is the C++ I/O stream? "流"就是"流动",是物质从一处向另一处流动的过程.C++流是指信息从外部输入设备(如键盘和磁盘)向计算机内部(即内存)输入和从内存向外部输出设备(如显示器和磁盘)输出的过程,这种输入输出过程被形象地比喻…

数组的语法和语义与C#数组非常相似,首先要指定一个数组名,后跟冒号,冒号后面紧跟数组的类型,数组类型名后面跟方括号表示当前定义的是一个数组,对于一个空的数组定义,可以使用如下的语法: btnArrayClick(sender: Core.Classes.TComponent){ //定义一个字符串类型的数组 var actors:string[]=["张三","李四","王五","赵六"]; //可以使用Array对象的任何属…

01 cat命令 通常用来显示文本文件的内容 一般用来查看比较短的文本文件,因为其缓冲区有限 -s选项可以用来合并文件中多余的空行,多个空行将被压缩为一个空行; -n选项可以显示行号 -b选项可以跳过空行的编号,显示非空行的行号; cat不加任何参数可以用来赋值标准输入到标准输出; 02 more命令 可以用来分屏查看文本文件的内容 当文件的内容查过一屏时可以分屏查看,最后一行会显示more的提示显示; 回车键会向后滚动一行,空格滚动一屏; 在more中还支持搜索功能,与vim中的搜索用法一致;…

一.一些重要的SQL命令 SELECT - 从数据库中提取数据 UPDATE - 更新数据库中的数据 DELETE - 从数据库中删除数据 INSERT INTO - 向数据库中插入新数据 CREATE DATABASE - 创建新数据库 ALTER DATABASE - 修改数据库 CREATE TABLE - 创建新表 ALTER TABLE - 变更(改变)数据库表 DROP TABLE - 删除表 CREATE INDEX - 创建索引(搜索键) DROP INDEX - 删除索引 二.…

一.CASE的两种用法 1.1 等值判断->相当于switch case (1)具体用法模板: CASE expression WHEN value1 THEN returnvalue1 WHEN value2 THEN returnvalue2 WHEN value3 THEN returnvalue3  ELSE defaultreturnvalue END (2)具体使用示例: 假设我们有一个论坛网站,其中有一张User表{ UId,Name,Level },Level是一个int类型,代…

First of all, my English is very poor, so I may not be a very good expression, very sorry! In this blog: EntityFramework 7 Left Join Where Select 奇怪问题, Were left join query using Linq, I probably had four different grammar test, but I tested may be s…

For a better environment, we should teach our children to put litter/garbage/trash into dustbin/dust pan. When he decided to study hard, his life had an abrupt change. He came to see me abruptly. Once she encounters danger, she'll show her mettle. I…

Given a non-empty string containing an out-of-order English representation of digits 0-9, output the digits in ascending order. Note: Input contains only lowercase English letters. Input is guaranteed to be valid and can be transformed to its origina…