bitwise vs logical

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Logical AND, bitwise VS; logical OR, bitwise or between the differences

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

C-Language bitwise operators: With, OR, XOR, reverse, left, and right move detailed introduction to _c language

Bitwise operations are operations that are performed in binary order. In system software, it is often necessary to deal with bits problems. The C language provides 6 bit operator operators. These operators can only be used for integer operands, that

function call problem, floating point, Operation Priority, and short-circuit "This is the key", the use of bitwise operations

1. The meaning of the return value in a call to a functionFunction F1 () {echo 1234;Return 123;//here to handle the returned value}Var_dump (F1 ());//Here is an understanding of the entire return value "function calls without a return value will not

Java bit Operations

One, Java bit operation1. Presentation method:In the Java language, the binary number is represented by a complement, the highest bit is the sign bit, the sign bit for positive numbers is 0, and the negative is 1. The complement representation needs

C + + Shift operators

On the logical shift, arithmetic shift can be seen in thunder deep large part of the question. A problem.The behavior of the shift operator (>) when out of bounds was not determined when the C + + standard was seen:The behavior is undefined if the

C + + Shift operators

For logical shift, arithmetic shift can be found in thunder deep large part of the question. A problem.Previously seen in the C + + standard, the shift operator (>) when out of bounds behavior is not determined:The behavior is undefined if the right

PHP Learning Operators related concepts

The code is as follows: /* OP symbol (PHP) Action symbol * * According to the function of the operation symbol is divided into: * One, arithmetic operator +-*/% + +-- * Two, string operators. Join operators * Third, assignment operator = + = = *=/=%=

PHP Learning Operators related Concepts _php tutorial

Copy CodeThe code is as follows: /* OP symbol (PHP) Action symbol * * According to the function of the operation symbol is divided into: * One, arithmetic operator +-*/% + +-- * Two, string operators. Join operators * Third, assignment operator = +

C Pitfalls and defects learning notes

Introduction to this bookBased on a paper published in the Bell Lab in 1985, the author has expanded his work experience to be a classic of value to C programmers. The starting point of writing this book is not to criticize the C language, but to

C + + operator precedence

Priority level operator description examples of associativity 1 ()[]-.::++-- The parentheses operator that adjusts the precedenceArray Subscript access operatorTo access a member's operator by

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