c: #include<stdio.h>//从大到小 int main(){ int a, b, c; int x = 0; printf("input message:\n"); scanf("%d %d %d", &a, &b, &c); if(a < b) { x = a; a = b; b = x; } if(a < c) { x = a; a = c; c = x; } if(b < c) { x =…
MongoDB的内部构造<MongoDB The Definitive Guide> MongoDB的官方文档基本是how to do的介绍,而关于how it worked却少之又少,本人也刚买了<MongoDB TheDefinitive Guide>的影印版,还没来得及看,本文原作者将其书中一些关于MongoDB内部现实方面的一些知识介绍如下,值得一看. 今天下载了<MongoDB The Definitive Guide>电子版,浏览了里面的内容,还是挺丰富的.…
批处理的使基本使用 Command Introduction Example set 设置环境变量 set name="小明" call 启动应用程序 rem 解释说明,可通过echo [off|on]来打印信息 rem 我是一个解释的说明信息 pause 暂停当前操作 @ 使当前执行的命令不进行打印 @echo 123 echo 打印输出消息 echo 我是要打印的消息 copy con cmd新建文件,并输入内容 copy con filename.external %e…
官网Functions and Operators部分 版本:0.266 目录 官网Functions and Operators部分 1 Comparison Functions and Operators is distinct from greatest/least any/all/some like 2 Conditional Expressions if nullif try 3 Lambda Expressions 4 Conversion Functions cast/try_ca…
There is a new alien language which uses the latin alphabet. However, the order among letters are unknown to you. You receive a list of words from the dictionary, where words are sorted lexicographically by the rules of this new language. Derive the…
ls -ldhtai 显示目录下面的文件 ls -l 显示详细信息 ls -d 显示当前目录 ls -t 以时间先后顺序显示 ls -a 列出所有文件包括隐藏文件 ls -i 显示文件的inode号 ls -h 做单位换算,将byte换算成K,M,G等. 显示信息解释: ]# ls -l drwxr-xr-x. 2 root root 4096 Nov 4 23:10 bash d第一个字符表示文件类型: 文件类型: -:普通文件(f) d:目录文件 b:块设备文件(block) c:…
ABC: Always Be Coding (原地址:https://medium.com/@davidbyttow/abc-always-be-coding-d5f8051afce2) Be honest. Are you a good engineering candidate? How are you measuring yourself? How many companies have you interviewed at? What is your onsite-interview…