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. (Example 3.21) logical operationIn the command window, enter the following content to generate the matrices A and B:gt;gt; A=[1 2 3 4 5;5 3 4 8 5;6 8 7 6 9;2 6 8 2 1;2 7 9 3 9];gt;gt; B=[5 3 4 8 5;6 8 7 6 9;2 6 8 2 1;2 7 9 3 9

Emacs series tutorials (1): basic usage Learning Emacs series tutorial (2): navigation The last time I talked about how to move the cursor in Emacs, this will introduce how to edit text in Emacs.The core function of any text editing software is to edit text, and Emacs is no exception. Although it also has many other powerful skills, it is inseparable from tex

reduces the traffic between the detection nodes, and improves the system operating efficiency. 3. Design and implement the prototype system of DDoS detection experiment based on machine learning, including the single point detection module based on HMM and the distributed cooperative detection mechanism based on adaptive learning. In the context of LAN, this paper simulates and detects DDoS attacks with the above experimental prototype system, and ve

TCP/IP protocol details volume 1 Study Notes series 3-IP Routing Chapter 9 IP routing This chapter describes the basis of the TCP/IP protocol cluster. IP routing ensures that the correct transmission path can be found for the datagram. If it cannot be found, the sender will be notified of a failure to issue the message. The information used in the route finding p

variable does not need to be strongly referenced, use assign and weak can, for example some delegate, otherwise use strongThe base type can only use Assign,assigin for non-OC objects, whereas weak must be used for OC objectsblock and weak differences__block can be used in either ARC or MRC mode, can be decorated with objects, and can also be decorated with basic data types.__weak can only be used in Arc mode, can only be decorated with objects (nsstring), and cannot be decorated with basic data

PHP learning series (1) -- string processing functions (3), php functions. PHP learning series (1) -- String Processing function (3), php function 11, crc32 () function to calculate the crc32 polynomial of a string. 32-bit cyclic

Half-line code is used to generate the number of series (1, 2, 3... N), half-line Usage @{Sn: key name [= int]} Function: each key name generates 1, 2, 3 ...... [= Int] (optional) value of n series. It is used to initialize

parameter to complete the cooperation, the method of transmission is through the constructor, some through the attribute injection, the novice friends can compare their own two ways to apply the occasion.2. One of the refactoring is that the code is basically the same when chatting with both the message and the message received, so I refactor it. As for when to refactor, how to refactor, the novice friends can learn a lot of their own.These two points are usually in the project often encountere

LDAP-Series-1-Chapter-3-PHP-LDAPIfyouwanttousePHPwithldap.Youhavetoaddtheextensionlib. (ldap. so) GototheinstallfileofPHP. $ cdoptphp-5.4.5extldap $ us LDAP-Series-1-Chapter-3-PHP-LDAP If you want to use PHP with ldap. You have t

Take the series number @{sn:favorite}, put in the bag docIf the number of series@{doc:we_id}Is null, the maximum value of the primary key we_id field of the Favorite_base table is queried for initialization.@{sn:favorite=@{pk:favorite_id}}Number of seriesInsert the system number and the related content separatelyFavorite_base、Favorite_userIn the tableFull codeFile (blog_add_save.chtml) in the Site/blog dire