what file size bigger kb or mb

The  php has a system-by-File size function, which is filesize (), but this function is in bytes, in some cases, we need to be very intuitive to understand a file size, not only need byte B this unit, but also need KB,MB,GB, Even bigger TB,PB, so

The file allocation table is used to indicate the space allocation information of disk files. Directory Table information is not actually stored. When a file occupies disk space, the basic unit is not a byte but a cluster. The cluster size is

MySQL5.5.13 parameter description: [client] character-set-serverutf8port3306socketdatamysql3306mysql.sock [mysqld] character-set-serverutf8usermysqlport3306socketdatamysql3306mysql.sockbasedirusrlocalwebserver MySQL 5.5.13 parameter description:

This article describes how to optimize MySQL configuration file my. cnf. For more information, see MySQL 5.5.13. Parameter description: [Client] Character-set-server = utf8 Port = 3306 Socket =/data/mysql/3306/mysql.

Large data calculation: How to use only 1.5KB memory as 1 billion object count-Hyper loglog algorithm Big Data counting:how to Count A billion Distinct Objects Using 1.5K This is a guest post by Matt Abrams (@abramsm), from Clearspring, discussing

Detailed usage of C language file read/write operations C file operations1. Read one file to another, and use "(ch = getc (fp ))! = EOF "to determine whether the file ends. If The file size is the same as the size of the original file. Text or

Detailed usage of C language file read/write operationsC file operations1. Read one file to another, and use "(ch = getc (fp ))! = EOF "to determine whether the file ends. IfThe file size is the same as the size of the original file.Text or binary

A lot of virtual machine users cannot predict how much space they need after installing the system on the Virtual Machine. After using the system for a while, they find that the disk space of the virtual machine is insufficient. How to solve

This configuration was used by the old boy on the production line. During the training, he gave it. Here, I added Chinese characters to the parameters, indicating that the configuration has been optimized, if your mysql has no special circumstances,

In mysql, in addition to program operations, we also have an important file to optimize mysql performance. ini is the file we want to talk about. Next I will introduce my. use the parameters in the INI file. In mysql, in addition to program