kickoff book summary

Note: This article belongs to the personal summary, the knowledge point is not complete, the wrong place, also hope forgive me. (I will revise it in the future, correction)This book: the introduction of JS and the use of HTML in the skip. (Straight to the basic grammar, and the filter section during the period)Chapter Three: Basic concepts:Everything in 1.js (variables, function names, and operators) is cas

of the concept is still need to slowly scrutinize and contact to understand the principle! Generally speaking feel can accept, the teacher said the book content can understand understand, class homework These can also be completed independently, although do when still a little rusty but fortunately can find a way to solve in time. In the future study must keep in mind the teacher's teaching more thinking more practice, independent completion of homew

%2f200906%2f130158.htm#m/www.51cto.com/art/200906/130158.htm Django Overall Architecture:By putting all the pieces together, the HTTP requests received are forwarded by the Web server to Django,django to accept them at the requested middleware layer. The views are then assigned to the appropriate view based on the urlconf pattern match, and the view performs the core part of the desired work, generating the response as needed with the model and/or template. The response then passes through the m

start with numbers or punctuation marks The name cannot begin with the letter XML (or XML, XML, and so on) Name cannot contain spaces You can use any name without a reserved word. DtdThe role of a DTD (document type definition) is to define a legitimate building block for an XML document. XML with the correct syntax is called "well-formed" XML, and we can validate that XML is "legitimate" XML through a DTD.Attention:CDATA sections cannot contain the string "]]>", nor do they al

Tomcat server. The logs folder holds Tomcat's log files, opens the Logs folder, and you can see the log file inside, which has a log file named "Catalina.yyyy-mm-dd.log", such as " The Catalina.2014-05-17.log log file is a recording of the operation of the Tomcat server for the day 2014-05-17. Log information clearly records the operation of the Tomcat server, if because 8080 port is occupied and can not start normally, will be recorded as shown in the image above the exception information,

. From here, the CPU is a series of operations that can be used to process processes.The creation of processes, the destruction of the state of communication between transitions between synchronous asynchronous concurrency and the scheduling of processes. The details are as follows:3.2 Memory 内存的主要作用就是给cpu提供数据，既然是内存那就避免不免的流程： 分配 回收 我们所有的操作也都时围绕这俩点进行的，说道内存的分配那就肯定分为俩中情况： 连续 非连续 类似于数据结构 的线性和非线性。 连续分配内存就是很简单了，就是分配连续的内存，但是分配多少呢，这就是一个问题了，所以就分为固定内存的分配 和动态内存的分配（根据程序，数据 大小），并且采用相关的分配算法。缺点：内存碎片化

The eighth chapter describes the types of software requirements, stakeholders, the common methods and steps to obtain user requirements, the framework of competitive demand analysis NABCD, four-quadrant approach, and the project planning and estimating techniques. Among them, software requirements are divided into: 1. Acquiring and guiding requirements2. Analyze and define Requirements3. Verification Requirements4. Managing requirements in the life cycle of software products The st

not allow you to really achieve the goal, but will certainly let you get closer to the target place.About reading and writingThe last and most important point is that the Zhou Yun teacher has repeatedly stressed the reading and writing, but also I think I did not do enough of the place. Reading is an important way to acquire knowledge, enrich personal connotation, and learn from others ' life to guide their own correct life, while writing is a process of recording and a process of helping to co

////In ANSI C, the const modifier is globally visible, such as a const variable in a header fileC + + defaults all const adornments to static////The C-language bool was added after C99.const char *p = ""; P is point to const char*p is char;const modifier char;char Const *P = ""; P is point ro char const*p is char const;char * const p; Const P is point to char;; ((*P) (* const P))* (const p) is char;Bjarne a mnemonic method in his C + + programming language:Read a statement from right to left.cha

: Linux private dishes from brother BirdIn addition to using the test command to make conditional judgments, I can also use [] (the syntax of the brackets to judge the test parameters and tests).[] The syntax requires a space between all the quantities in [], eg:[B "$name" B==b "Xiaoyi" b] #b都表示空格Three Complex scripts3.1 Article Statementsif Else 's standard format:If [conditional judgment 1]; Then command1elif [conditional judgment 2]; then command2else Command3fiWhere conditions can be

()) {Conn.setautocommit (false); } } Catch(SQLException e) {//TODO auto-generated Catch block E.printstacktrace (); } } } /*** Submit a transaction *@paramConn*/ Public Static voidCommitTransaction (Connection conn) {Try { if(conn!=NULL){ if(!Conn.getautocommit ()) {Conn.commit (); } } } Catch(Exception e) {//Todo:handle Exception } } /*** ROLLBACK TRANSAC