Better Sidewalks Could Bring Improved Public Health Most of our serious illnesses and deaths in the U.S. now come from preventable diseases, such as heart disease. But we know what works to improve health. A new report recommends 43 changes that can…
//读取70开头的xml,gbk转成utf-8 //InputStream is = new FileInputStream(super.getFile());//文件读取 //InputStreamReader isr = new InputStreamReader(is, "gbk");//解码 String newfile = super.getFilePath()+"\\"+"70.xml"; OutputStream os = new…
启动费zokeeper失败,报错如下:Connection broken for id 62, my id = 70, error = 原因是因为zoo.cfg中server.id不正确. server.1=node11:2888:3888server.62==node12:2888:3888server.70=node13:2888:3888…
To understand the backlog argument, we must realize that for a given listening socket, the kernel maintains two queues :要明白backlog参数的含义,我们必须明白对于一个listening socket,kernel维护者两个队列: 1.An incomplete connection queue, which contains an entry for each SYN t…
2.72 A.size_t是无符号整数,因此左边都会先转换为无符号整数,它肯定是大于等于0的. B.判断条件改为 if(maxbytes > 0 && maxbytes >= sizeof(val)) 2.77 #include<stdio.h>int divide_power2(int x, int k){ int ans = x>>k; int w = sizeof(int)<<3; ans += (x>>(w-1)) &am…
