if not equal

1. Conditional statement:(1) comparison operator:= =: Judging whether it is equal! =: Judging if not equal>: Judging whether it is greater than>=: Judging if it is greater than or equal"Example 1"if (inum1==inum2)//If INUM1 is equal to

1, first unittest itself is a Python test framework, he has his own rules of use;2, if using one of the methods, need to introduce, methods:Import UnitTestClass Login (UnitTest. TestCase):It is necessary to introduce unittest, and then declare that

BF (Brute force) algorithm is the normal pattern matching algorithm, the idea of BF algorithm is to match the first character of the target string s with the first character of the pattern string T, if equal, continue to compare the second character

Section fourth, machine language of the programFirst, the historical view of x86The x86 architecture was first seen in the Intel 8086 CPU, launched in 1978, from the Intel 8008 processor, while 8008 was developed from Intel 4004. 8086 was chosen

Ideally, the time complexity of the hash table insert and find operation is O (1), and any data item can calculate a hash value (key) in a time independent of the hash table length, and then navigate to a bucket within a constant time (the term

1 switch can I use string to make arguments?Prior to Java 7, switch could only support Byte,short,char,int or its corresponding wrapper class and Enum Type. In Java 7, String support was Added.2 the difference between equals and = =:= = Determines

I. If Judgment.The main function of if judgment is to make different actions and manipulate different code according to the specified conditional Expression.If judgment can be broadly divided into three kinds, namely single branch, double branch,

one, The problem descriptionGiven two integer arrays, find the largest common element in the two arrays. Note Condition: ① common element ② the largest public elementFor example: arr1={8,2,9,6,18,7, arr2={6,39,4,9, 18,36,12}.Assume that the length

This article introduces a PHP two-dimensional array with a key name for the group add the instance program, if the data from the database when the large can select SUM (t_value), t_id from the T_table group by t_id, But if you're dealing with a

Here is an illustrated way to show you the PHP kernel exploration: Hash table collision attack principle. Recently, the topic of hash Table collision attacks (Hashtable collisions as DOS attack) has been raised, and various languages have been

Given a sorted linked list, delete all nodes that has duplicate numbers, leaving only distinct numbers from the Original list.For example,Given1->2->3->3->4->4->5, Return1->2->5.Given1->1->1->2->3, Return2->3.The difference between this and the

Create a TCP server using the socket1 First look at TCP1TCP is connection-oriented and must be three times after the handshake2TCP provides reliable connection for lost retransmission, RTT estimation physical NIC network cable will affect this

Using Python to achieve dichotomy: my approach to implementation is as follows1, determine whether the value to find is greater than the maximum value, if greater than the direct return false2, determine whether the value to find is less than the

Common SQL Syntax Functions Code:Functions of Transact SQL statements-- Data OperationsSELECT -- retrieve data rows and columns from database tablesINSERT -- add new data rows to the database tableDELETE -- DELETE data rows from a database

KMP algorithm, also known as "look at the pornography" algorithm, is a very efficient string matching algorithm. But because it is difficult to understand, it has not been understood for a long time. Although there is a lot of information on the

Niche Blog:http://xsboke.blog.51cto.comNiche Q q:1770058260------- Thank you for your reference, if you have any questions, please contact One, Python statement block and Indentation Indentation is A part of the Python syntax; in a

The interview is each of us to experience the thing, most people and more than once, here to summarize the common face test, so that everyone in the search for work can be more effective.1 switch can I use string to make arguments?A. Prior to Java 7,

Brute force algorithm is a common pattern matching algorithm, the idea of BF algorithm is to match the first character of the target string s with the first character of the pattern string T, and if equal, continue to compare the second character of

Given a sorted linked list, delete all duplicates such this each element appear only once.For example,Given 1->1->2 , return 1->2 .Given 1->1->2->3->3 , return 1->2->3 .Idea: Define two pointers, pre and cur, if cur and pre are equal, then cur move,

Tomcat: Server software for a server that publishes resourcesServer composition:1. Server hardware2. Server Software3. Project (a collection of a bunch of resources)4. ResourcesTomcat itself is a Java program that must rely on the JRE to runEclipse