题目：http://acm.hdu.edu.cn/showproblem.php?pid=2101 做难题太打击人了，想做做水题，结果让人纪念啊！！！！！！！！ #include <stdio.h> int main() {     int a,b;     while(scanf("%d%d",&a,&b)!=EOF)         printf("%s\n",(a+b)�==0?"yes"

drop a database 删除一个数据库因包含他的数据文件，日志文件，控制文件，初始化参数文件等。 使用“DROP DATABASE ”语句可以删除所有的控制文件，及控制文件中的所列的其他文件 为了成功执行以上命令，all of the following conditions must apply:     1.The database must be mounted and c

How to pass a hash to a subroutine? #!/usr/bin/perluse strict;my %MyHash;# ...# Call subroutineMySubroutine( %MyHash );# ...sub MySubroutine {   my %ThisHash = @_;   # ...}

What is a Perforce "shelved" file? 分类： perforce [转自]http://blog.csdn.net/xsmile2012/article/details/6701538 Shelving is the process of temporarily storing work in progress on a Perforce Serv