The job of a computer is to perform a series of operations. The C language provides different operators for different operations!
1. Operators
. Basic Operators
Arithmetic Operator: +-*/% + + --
Value assignment operator: =
Comma OPERATOR :,
Relational operators:
Logical OPERATOR: |!
Conditional OPERATOR :? :
. Bit Operator
Bit logical operators :~ | ^ (Exclusive or)
Offset OPERATOR: >>
2. Operation priority
When multiple operations are used together, we need to know the sequence of operation
. These arithmetic binary operatorsreturn true if"ARG1" is Equal to, not Equal to,Less than, less thanor Equal to,Greater than,or Greater than or Equal to"ARG2", respectively. "ARG1" and"ARG2" is integers.e.g:if"$UID"-ne"$ROOT_UID" ] then ……
Top Picks
LNMP Environment Construction--nginx Chapter
Configuring the local Yum source in RHEL6.5
Installation and use of Zabbix under Ubuntu
MySQL Dual master hot standby proble
Previous blogs have written about vectors using the sort algorithm, and vector some of the processing methods that have been written before.Just write it today vector . Sort by using the sort algorithm.#include #include #include #include #include BOOLCompare_int (intAMP;LHS,int RHS) {returnLHS > RHS;}BOOLCompare_first_letter (Const STD::unique_ptrSTD::string> AMP;LHS,Const STD::unique_ptrSTD::string> RHS) {return((*LHS) BOOLCompare_unique_ptr_int (ST
Php + js + mysql-like webQQ- amp; lt; 3 amp; gt; month days change with month. During registration, the number of days of the month changes with the change of the month. this small function is used in many places! The number of days in May changes with the month. when the PHP code [php] s is registered, the number of days in the month changes with the change of
Int A [3];
The address of a is the same as that of .
A + 1 = a + 1 * sizeof (INT); Skip is the size of an array element
A + 1 = a + 3 * sizeof (INT); the Skip value indicates the size of the entire array.
# Include
Difference between a + 1 and amp; A + 1 in int A [3]; -- C
Ajax amp; PHP: Learn and practice the third database. In the last memo calendar instance, when you place the cursor over a date, if there is a memo on the day, it will be displayed, however, this information is used for testing to facilitate writing data in advance in the last memo calendar instance. when you place the cursor over a date, if there is a memo on the day, it will be displayed, however, this information is used for testing to facilitate
51nod 1090 3 count and 0 amp; 51nod 1267 4 count and 0 (marked as binary)
Question meaning:
The sum of 3 is 0:
An unordered array with the length of N is given. The elements in the array are integers, positive and negative values include 0, and they are not equal to each other. Find the combination of all three numbers with and = 0. If there is No such combinat
(' \s ', str) are all cut strings and returned to list. But there is a difference.1. Str.split (' \s ') is literally cutting strings according to ' \s '2. Re.split (' \s ', str) is cut according to the blanks. Because the ' \s ' in the normal form is a blank meaning.Re.findall (Pattern, string, flags=0)Find all the substrings of the re match and return them as a list. This match is returned from left to right in an orderly manner. An empty list is returned if there is no match.Import reprint Re
Php amp; mysql three-day pass 3 I. basic functions
Welcome to the third and last course of this tutorial. If you have learned the first and second lessons, you have mastered the basic installation and programming knowledge of MySQL and PHP. Next we will introduce some other PHP functions, which may be useful to you and make your development process easier. First, let's look at the header file.
Do you kno
security Product Marketing Evangelism (APJC), CiscoIn today's cloud-connected world, the the-the-changed, but security have not. When over half of the PC's in today's organizations is mobile, you need-protect them everywhere, not just inside the O ffice. This session would discuss how OpenDNS works with Cisco advanced Malware Protection (AMP) to provide advanced intelligence To predict and thwart the future threats.Cloud, Mobile, IoT security Eyes
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.