logical or symbol

1. arithmetic operation points (1) shift operation ① Original code shift: the original code does not change the form of the original code when performing arithmetic shift left or arithmetic shift right. Shifts one digit to the left is equal to

Turn... Bit operations in C #, non-logical ~, Logical and &, logical or |, logical XOR or ^, logical left shift In C #, we will use in-place operations. For example, to determine whether a number is the power of 2, how to determine whether a

Analysis of the Linux memory management mechanism, not from the above concepts, before introducing the above several concepts, first from the "in-depth understanding of the Linux kernel," the book excerpt from a few paragraphs on the above nouns

Logical AND logical OR logical is not a Boolean worthwhile operation, it belongs to the discrete mathematics category.bitwise AND, bitwise OR, bitwise is not the operation of the computer bit, belongs to the computer bits operation category.Logic

The special symbols commonly used in the shell are listed below:#   ;      ;;      .       ,/\ ' String ' |   !      $   ${}   $?   $$ $* "String" * * *?   : ^ $# [email protected] ' command ' {} [] [[]] () (()) | | && {Xx,yy,zz,...} ~ ~+ ~-& \ +-%=

An operator is a symbol that tells the compiler to execute specific arithmetic or logical operations. It usually forms an expression together with the operands. we often see that it participates in mathematical or logical operations. PHP also

This article was reproduced from: http://www.cnblogs.com/felixfang/p/3420462.html1. Physical Address and logical addressPhysical Address : The address that is loaded into the memory address register, the true address of the memory unit. The memory

# Well No. (comments)#管理员 $ ordinary User In the script #!/bin/bash #!/bin/sh Typically appear in the first line of the shell script, meaning to use/bin/bash to execute the current shell script, except for the first line, which plays the role of

and Operation:&Both are 1 to 1, otherwise 0 1&1=1, 1&0=0, 0&1=0, 0&0=0 Or operation: |Both are 0 to 0, otherwise 11|1 = 1, 1|0 = 1, 0|1 = 1, 0|0 = 0 Non-operation: ~1 Take 0, 0 take 1~ = 0, ~0 = 1~ (10001) = 01110 XOR or operationEqual to 0,

Make a summary of the logical operation symbols for Smarty templates for later use.EQ Equal: EqualNEQ not equal: Not equal toGT greater than: greater thanLt less than: smaller thanLTE lesser than or equal: less than or equal toGTE great than or