siem correlation

) Shopping listTry to solve 1) "Tea → coffee" support degree2) The confidence level of "tea → coffee"3) Promotion of "Tea → coffee"Analysis:Set x= {buy tea},y={buy coffee}, then the rules "Tea → coffee" means "that is bought tea, and bought coffee", so, "tea → coffee" of the support degree forSupport (x→y) = 450/500 = 90%The confidence level of "tea → coffee" isConfidence (x→y) = 450/500 = 90%"Tea → coffee" to promote the degree ofLift (x→y) = Confidence (x→y)/P (Y) = 90%/((450+450)/1000) = 90%/

person) {This.person = person; } } 1.3. Testing One2onetest.java Package com.morris.test; Import Javax.persistence.entitymanager;import Javax.persistence.entitymanagerfactory;import Javax.persistence.Persistence; Import Org.junit.afterclass;import Org.junit.beforeclass;import org.junit.Test; Import Com.morris.entity.IDCard; Import Com.morris.entity.Person; public class One2onetest {private static entitymanagerfactory factory; private static Entityman

php Get field length correlation function using tips _php tutorial As a qualified When you design a database, the length of each field is not exactly the same because each field represents a different meaning of the data. In PHP, the use of the Mysql_field_len () function enables PHP to get the field length, which has the following syntax format: int Mysql_field_len (resource $result, int $field _offset) The parameters involved in the above syntax ar

1. NVL (EXPR1,EXPR2) returns EXPR2 if expr is emptySelect nvl (e.commission_pct, one from Employees e; -- If the bonus is empty, return one2. NVL2 (EXPR1,EXPR2,EXPR3) returns EXPR3 if EXPR1 returns EXPR2 NOT NULLSelect + 1 One ) from-- +1 If the wage is not empty, returns one by one3. LNNVL (expr) returns true if expr is false, or if the word blank is judged within expr Select * from Employees e where > 0.2 -- query bonuses are empty and bonuses are not greater than 0.2 of employee inform

-revalidate: forcing pages to not cache, the same action as No-cache, but more stringent, mandatory means more obvious. For detailed functions, please refer to: http://hi.baidu.com/chenleibupt/blog/item/9627bec6932e5a179c163df2.htmlAbout Post-check and pre-check:internet Explorer 5 use two new interval indications for HTTP header information: Pre-Check and Post-check. The Pre-Check extension defines a time interval, in seconds, after which an object should be selected for updating before it is d

Before using, the folder should be introduced, otherwise the corresponding function will not be implemented.If you are not proficient in thinkphp, use or development, it is best to use the completed version of thinkphp directly.Relational model definitions:PHP/** * Inherit from Relationmodel, be sure to include the Model file in the extension * thinkphp\extend\model\relationmodel.class.php*/classMessagemodel extends relationmodel{//Mapping Relationships protected$_link =Array (//a user can ha

examples illustrate the mathematical implementation of several conversion operationsX y is the coordinates of the original pointThe following is a calculation formula for converting from user coordinates to device coordinatesThe following is an identity matrix, which is what coordinates are entered, what coordinates come out, no conversionsThe result of the final calculation is x=x,y=y,You can use the function to determine if the matrix is an identity matrixBOOL Cgaffinetransformisidentity (Cga

StringBuffer ("123");StringBuffer SB2 = new StringBuffer (s); Convert String to StringBufferString S1 = sb1.tostring (); StringBuffer Convert to String3. Common methodsAppend ()//append content to the current string objectDeletecharat ()//delete the character at the specified position, forming the remaining content into a new stringInsert ()//Inserts the content at the specified index, forming a new stringSetcharat ()//Set the character at the index as a new characterExample StringBuffer sb = n

(with sufficent support).At the next level, the Kk+11-item sets your need to consider must has the property, all of their subsets must be freq Uent (with sufficent support). This is the Apriori property:any subset of frequent itemset must being frequent.So if you know at level 2 that the sets {1,2}{1,2}, {1,3}{1,3}, {1,5}{1,5} and {3,5}{3,5} is the only sets with Sufficien T support, then at level 3 you join these with all other to produce {1,2,3}{1,2,3}, {1,2,5}{1,2,5}, {1,3,5}{1,3,5} and {2 ,

LeetCode-Reverse Bits, 1 Bit and number binary correlation Reverse bits of a given 32 bits unsigned integer. For example, given input 43261596 (represented in binary as 00000010100101000001111010011100), return 964176192 (represented in binary as0011100101111000001010010000000 ).The simple method is to traverse it, but this method is very inefficient and seems to have no better way. class Solution {public: uint32_t reverseBits(uint32_t n) {

Static correlation of Java4Android In this section, I want to involve all the knowledge points related to Java Static, at least after reading this post, your static understanding of Java allows you to chat with other programmers after meals.Static in Java is mainly divided into: static member variables, static member functions, static code segments, static classes. Let's talk about it one by one.This article is organized as follows. First, we will exp

Direct code% cosine similarity algorithm to find the similarity of two picturesPicture1 = Imread (' d:\\ bracelet. jpg ');p Icture2 = Imread (' d:\\ bracelet 2.jpg ');p Icture1 = Rgb2gray (picture1);p icture2 = Rgb2gray (picture2); t1=picture1;[A1,B1]=size(t1); T2=picture2;t2=imresize (T2,[A1 B1],' Bicubic ');% scaled to a consistent sizet1=round(t1); t2=round(T2); e1=Zeros(1, the); e2=Zeros(1, the);% get histogram distribution/ for I=1: A1 for J=1: B1 m1=t1 (I,J)+1; M2=t2 (I,J)+1; E1 (M1) =E1 (

(Teacher.class, 4); Teacher.getstudents (). Clear ();/--------------------------------------------session.gettransaction (). commit (); Session.close ();} Deletion of departments and their impact on employees @testpublic void Testdelete () throws Exception {Session session = Sessionfactory.opensession (); Session.begintransaction ()//--------------------------------------------//will also delete teachers in teacher_student and teacher id= 4 of records Teacher teacher = (teacher) session.get (Te

the main table in model (Tskillgroup):Private map@ElementCollection (Fetch=fetchtype.eager)@MapKeyColumn (name = "Config_key")//The KEY value of the configuration property@Column (name = "Config_value", length = 290)//The value of the configuration property@CollectionTable (name = "Skill_configuration",//Configure table table nameJoincolumns = @JoinColumn (name = "skill_group_id"))//primary key for the primary tablePublic mapreturn configmap;}public void Setconfigmap (mapThis.configmap = Config

Python Study Notes 17: Mathematical Correlation of the standard library (math package, random package) The previous sections are really tired. Now let's take a look at simple and easy-to-understand content. A math package mainly deals with mathematical operations. Constant math. e # natural constant e Math. pi # pi Calculation function math. ceil (x) # rounded up x, for example, x = 1.2, returns 2 Math. floor (x) # Round down x. For example, if x =

strcmp (const char * s1, const char * s2);Compare the size relationships of two stringsThe S1 returns a positive number, S2 returns a negative number, and returns 0 for equal size.char * strcat (char * s1, const char * s2);S1 is an array of characters, and S2 is a string or an array of characters.S2 The contents of the S1 to form a new string, a new string, stored in S1.The return value is S1.11.char * STRSTR (const char *S1, const char *S2);In the string S1, look for the position where the sub

Problem Description:A few days ago called the colleague's JS interface file, in his own HTML test page OK, on my side of the call when the problem occurs.During the debug process, it is not possible to move the test HTML to another location, and it is OK to place it in the same hierarchical path as the original HTML test page.Resolution process:Very doubt Ah, with F12 debugging, in the invocation of JS, found that the Xmlhttp.status return status is 404, rely on, the original is not found file.L

;HelloServlet1Servlet-name> One Map a specific access path, where/represents the root directory of the current web - A Url-pattern>/hello2/*Url-pattern> - - - servlet-mapping>But things to note:1, *.html This write is no problem, if configured as/*.html or/*.action,/*.do and other formats, is the wrong configuration, loading will run out of abnormal information.2, if the configuration is * No suffix name, you must be a light strap/, in the form of:/* or/a/* and so on

CodeObviously this is going to go wrong, and running to a certain time will throw an exception. So deallocate just frees the object memory and does not call the object's constructor to release the dynamic memory within the object this is important to note if a allocat.destory (a) is called; There's no bug in the program.So in C + +, object release and dynamic memory release within an object is a memory leak that needs attention.Here the delete operation symbol itself has 2 actions: Call destruc

only be roughly correct and not completely correct.And SetTimeout also comes with a hidden, large, small pit (which will be caused by thread blocking): New Date; SetTimeout (function() { new/// has several times printed with end time:1001 MS, which is still biased in case there is no other blocking and only runs this event},1000 );So the n milliseconds described above will be biased in some cases.Well, just write that much first. I have to go to work tomorrow, it's late today. or mobile