define defi

The Define () function defines a constant.define () functions: Defines a constant. Constants is much like variables, except for the following differences: constants [constant] and variables [variable] There are many similarities, so it is easy to

1, x86 platform 32-bit Linux system call number Location: include/asm-x86/unistd_32.h #define __NR_RESTART_SYSCALL 0 #define __NR_EXIT 1 #define __NR_FORK 2 #define __nr_read 3 #d Efine __nr_write 4 #define __NR_OPEN 5 #define __NR_CLOSE 6 #define _

Use of php basic-define and defined functions ??? Define (TEST_ATTR, hhhhhhh );??? EchoTEST_ATTR ;? Define is equivalent to the constant in java to define a constant ;? The defined () function checks whether a constant exists. If a constant exists,

VC (visual_c++) virtual key VK Value list keyboard VK key value list/* Virtual keys, Standard set*/Vk_lbutton             &NBS P                        0x01 Vk_rbutton       &N Bsp                             0x02 vk_cancel   &N Bsp                  

Study a game in a community, which uses MNG files.   MNG is used to kill the GIF format, but it is not popular yet, but the expressiveness is indeed good. Xnview can be opened directly, but the support is not perfect yet. Few software can edit MNG,

OpCode is a part of the computer instruction that specifies the action to be performed, and the format and specification of the instruction is specified by the processor's instruction specification. In addition to the instruction itself, there is

The Linux error number EINTR EINTR is the error number that produces it for 2 reasons: interrupted by a signal, timeout may not be intentional to generate a signal: Process debug Console Switch task switch pseudo terminal disconnect asynchronous IO

1, about the return value, the PHP kernel uses a large number of macros to implement, we first look at a functionPhp_function宏的定义(Zend/zend_API.h)#define Php_function zend_function#define zend_function (name)

First, the characteristics of NAND flashThe s3c6410 NAND Flash controller has the following features1, since the import mode: After the reset, the boot code is fed into the 8KB steppingstone, the boot code is moved, the boot code will be executed in

A personal summary of the privilege level in the IA32 segmentation mechanism: In IA32 's segmented mechanism, it is divided into 4 privilege levels (RING0~RING3): Level0 High (inner layer)L e v E l 1L e v E l 2L e v E l 3 Low (outer) The difference