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The establishment of a simple chat room. (for study reference)

ThenMlcoundter=0End If' Increase user input, counter plus 1Machat (Mlchounter) =session ("sswho") ":" request ("txtcents")Mlcounter=mlcounter+1' Set the local variable to be valid within the scope of the application.Application ("Gicounter") =mlcounterApplication ("Gachats") =machat' Eliminate the blockade of application objectsApplication.UnLockEnd If%>' Write textareaIf Application ("Gicounter") =0 ThenLstemp=application ("Gachats") (0)ElseFor x=0 to Application ("Gicounter")-1lstemp=lstemp

Reactnative Study Notes (iv)--The life cycle of a component

Today with Crazycodeboy Teacher's video (reactnative Basic and introductory tutorial) to learn, if you think watching video talk slow, wasting time, tune into 1.25 times times the speed of play can. Individuals have a bit of obsessive-compulsive disorder, want to learn more systematically, follow the video, you can also master some of the finer knowledge. Summarize the main contents of today's study: One, t

A preliminary study of PostgreSQL stored procedure

What is stored procedure, Baidu Encyclopedia is so defined: the stored procedure (Stored Procedure) is in a large database system, a set of SQL statements in order to complete a specific function, stored in the database after the first compilation and re-call do not need to compile again, The user executes it by specifying the name of the stored procedure and giv

A tentative study of ecos redboot restart command: RESET

hardware operationrefer to the following to compare the diagram:AIRCR: Application interrupt and reset control registeras defined by the AIRCR register definition, in cortex-m3, there are two ways to perform a software reset: (1) vectreset (aircr[0]) via position AIRCR:In this way, the scope of the reset covers the entire CM3, but does not affect all other circuitry other than the core, so the on-chip peripherals and other circuitry are unaffected.

A preliminary study of C + + object oriented programming

1, using the const pointer;const INT * PONE; A pointer to an integer constant that points to a value that cannot be modified;int * Const PTWO; A constant pointer to an integral type that points to a value that can be modified, but that pointer no longer points to another variable;const int * Const PTHREE; Constant poin

A study on the C language of single-chip microcomputer--Why variables should be assigned initial value

character array. When I commented out the extent of the decoding, I downloaded it again using the power-off download, and found that there was still information displayed. Pressing the reset button several times is useless. Finally try to power off again, the residual information is no longer present.PS: I use the PL2303 download line when the discovery, disconnect VCC power supply, its serial interface still has a certain level, you can also see the

Linux Study notes-the 18th lesson-lamp Environment Construction (a)

/local/mysql>--with-libxml-dir>--with-gd >--with-jpeg-dir>--with-png-dir>--with-freetype-dir>-- with-iconv-dir>--with-zlib-dir>--with-bz2>--with-openssl >--with-mcrypt>--enable-soap>--enable-gd-native-ttf>-- enable-mbstring>--enable-sockets>--enable-exif>--disable-ipv6# Execute compile [[emailprotected]php-5.3.28]#make# installation file [ro[emailprotected] Php-5.3.28]#makeinstall V. Combination of PHP and ApacheModify the Apache configuration file[[emailprotected]~]#vim/usr/local/apache2

A tentative study of JavaScript two

this method, passing in false only clones the element itself, passing in true child elements together to clone06.a Tag introduces JS codeSpecial for 07.select labels01. You can modify the selected option by setting the Select.value. However, the value set must have the option tag present, otherwise no effect02. Modify the selected option tag to trigger the onchange event for the Select tag08. Second way to bind level 0 DOM events09. Get the parent no

ExtJS 4.2 Study (a)--environment construction

will be hints when writing ExtJS.First copy the spket-1.6 file package to the Dropins file of the MyEclipse installation directory.After the copy of the proferences will have a spket item, and then integrate it into the MyEclipse: Spket-->javascript profiles-->new-->add library-->add File -->ext-all-dev.js (in fact to integrate this file)7. Integrate Tomcat into the myeclipse. Role: Web Engineering requires a

A preliminary study on C # GPU

A preliminary study on C # GPU general computing First of all thanks for unauthorized reprint. GPU's parallel computing capacity is higher than the CPU, so recently there are many projects using the GPU appear in our vision, in InfoQ see this article on Accelerator-v2, it is Microsoft Research project, need to register to download, feel as I touch GPU general operations The first step is not bad, so go t

1, spring-boot Study notes (a) Simple introduction

aux | grep spring | xargs kill -92), stop through the front deskPom file JoinApplication.yml Join#启用shutdownendpoints: shutdown: enabled: true#禁用密码验证 sensitive: false3), add password AuthenticationPom.xml JoinApplication.properties Join#开启shutdown的安全验证endpoints.shutdown.sensitive=true#验证用户名security.user.name=admin#验证密码security.user.password=admin#角色management.security.role=SUPERUSER# 指定端口management.port=8081# 指定地址management.address=127.0.0.14) Close commandcurl -u admin:admin -X POST ht

A comparative study of Jquery.js and Jquery.min.js in jquery _jquery

When you first came into jquery, the downloads included Jquery.vsdoc.js, jquery.min.js, and jquery.js for each file and which package was not very clear. Sometimes the introduction of Jquery.min.js can be performed, and sometimes the introduction of Jquery.js can be performed. Now do a simple description. The function of two files is exactly the same, but from the file or from the point of view we know that jquery.min.js should be

MyBatis multi-parameter transfer-a hybrid method -- 15 of MyBatis Study Notes

/data/742780 ).Conclusion: One of the learning methods proposed by the author is "good at conjecture" in the article "views on whether or not to attend a JAVA training course ". The author did not find any reference materials to solve this problem, but relied on his own conjecture and programming verification. This shows that conjecture works. MyBatis Study Notes series I: download and install ant Prepare

PHP7 Study Notes (11) Use Phpstudy to quickly configure a virtual host

Description: In order to develop PHP for Windows Local convenience, it is recommended to use PHP integrated environment phpstudy.Purpose: Access the project using a domain name (tinywan.test)1. Official website: http://www.phpstudy.net2, the configuration of the virtual host3. site Domain name Management(1) New (2) Fill in basic information (3) Save settingsVirtual Domain name: tinywan.testThe site directory is the directory of the project, here: D:\p

JavaScript Tutorial Series 41: All-in-a-choice, classic case study

{padding:0; Margin:0; }. Wrap {width:300px; margin:100px Auto0; } Table {Border-Collapse:collapse; Border-spacing:0; border:1px solid #c0c0c0; width:300px; } th, td {Border:1px solid #d0d0d0; Color: #404060; padding:10px; } th {background-color: #09c; Font:bold 16px"Microsoft Jas Black"; Color: #fff; } TD {Font:14px"Microsoft Jas Black"; } tbody TR {background-color: #f0f0f0; } tbody tr:hover {cursor:pointer; Background-color: #fafafa; } JavaScript Tutorial Series 4

A systematic study of each Linux routing table

Linux there 0~255 altogether 256 route tables. Room 0 This does not indicate unspec (unspecified), 253. 254,255 default, Main, local table respectively.Tables other than the 4 tables above are reserved for user-specified tables. Now say the above 5 system table function. The first is table No. 0, unspec. This table can be understood as the sum of all the routing tables, which means that the routing entries in all the routing tables will have a corres

A preliminary study of JavaScript four

     event bubbling Level two DOM event   Level 2 DOM Event bubblingBlock default behavior Regular expressions      A preliminary study of JavaScript four

A tentative study of Hibernate course one-to-many mapping 4-3 testing-Information query

Establish two-way one-to-many relationship, can be queried by one side of the multi-party information, the same can be queried by multiple partiesDemo //Check your student's class Public Static voidshowgidbystudent () {Session Sess1=hibernateutil.getsession (); Student stu1 = (Student) sess1.get (student.class, 1); System.out.println ("Student Name:" +stu1.getsname ()); Grade grad1 = Stu1.getgrade (); System.out.println ( "The Student class is:" + Grad1.getgid ()); Hibernateutil.close

A tentative study of Hibernate course one-to-many mapping 3-3 unidirectional many-to-one test

public static void Testmanytoone () {Student stu1 = new Student ("xiaoming", "Male" = new Student ("Little Red", "female" = new Grade ("Java class three", "Java class three" ); Stu1.setgrade (GRAD1); Stu2.setgrade (GRAD1); Session ses1 = Hibernateutil.getsession (); Transaction Tran = Ses1.begintransaction (); Ses1.save (STU1); Ses1.save (STU2); Ses1.save (GRAD1); Tran.commit (); Hibernateutil.closesession (SES1);

Windbg Getting Started: (2) a simple case study of integer divide-by-zero exception

00401880 00000000 78746341 Kernel32! Baseprocessstart + 0x23 /* From the call stack, we can clearly see the function call chain. After all the initialization processes are completed, the main function calls callwithcdecl, then callwithcdecl nested call callwithstd, and then callwithstd nested call callfast. Each nested call is accompanied by a series of registers and push stacks of parameters. So we can follow the call stack to see the clear call

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