max function

$ ("P"). addclass (style type defined in CSS); add a style to an element$ ("IMG"). ATTR ({SRC: "test.jpg", alt: "Test image"}); add attributes/values to an element. The parameter is map.$ ("IMG"). ATTR ("src", "test.jpg"); add attributes/values to

  Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> // Gpoint class, which can represent a geographic location point in 1.0 at the same time. Now, this function has been replaced by glatlng, and 2.

Decode () can only create new columns (horizontal scaling), while the max () function is used to reduce the number of rows of the same category (vertical compression ), in this way, the original thin database record set is converted into a

From http://www.programfan.com/article/showarticle.asp? Id = 2669 The variables can be described in three aspects: · Data Type· Storage Type· Scope In this lecture, we will only introduce the description of data types. Other instructions will be

ReferencesReference is an important extension of C ++ to C language. I. Concepts of reference Reference introduces a synonym for an object. The expression of the definition reference is similar to the definition pointer, but it is replaced

From: http://blog.csdn.net/listening_music/article/details/6921608 The following is a brief introduction: Pointer-for a type T, T * is the pointer type pointing to T, that is, a T * type variable can save the address of a t object, type t can be

1.1 OverviewWith the rapid development and dissemination of Web2.0 and Ajax ideas on the Internet, some excellent JS frameworks have emerged one after another, among them, prototype, Yui, jquery, mootools, bindows, and jsvm frameworks in China are

As shown in the following table: srs_ B _cw_testCity people makeGuangzhou 1Guangzhou 2 BGuangzhou 3 CShanghai 4Shanghai 5 eGuangzhou 6Shanghai 7 E Achieve the following resultsCity people makeShanghai 16 AEGuangzhou 12 ABC We will learn it step by

Jquery, as a lightweight JS framework, has its unique advantages. Many web programmers are happy. In addition to rich client processing and animation functions. It also provides custom extension interfaces for more people to develop extension jquery.

The compilation of Delphi DLL by shaoyun 2010-03-18 recently intends to continue learning Delphi, which is rarely used. Now it has not moved for a long time! By the way, write down the learning content and forget it! Sample Code: Code Code

1. UsageIntroduce the jquery JS file on the page that requires jquery.Example: After the introduction, you can use the syntax provided by jquery anywhere on the page. 2. Learning tutorials and referencesSee jquery Chinese API manual and

Array. Prototype. max = function () {// maximum value Return math. Max. Apply ({}, this) } Array. Prototype. min = function () {// minimum value Return math. Min. Apply ({}, this) } VaR mymax = [1, 2, 3]. Max () // => 3 VaR mymin = [1, 2, 3]. Min (

Reprinted from: http://blog.csdn.net/ProgramRookie/article/details/4202180 1. Basic illumination model: Sufacecolor = emissive + ambient + DIFFUSE + specular The following is the analysis of each item in the formula: (1) emissive radiation

Replacing macros with Inline: 1. inline functions can be debugged at runtime, but macro definitions cannot;2. the compiler checks the parameter types of inline functions for security or automatically converts the types (same as normal functions),

After AJAX became popular, I always wanted to learn about it. However, it is difficult to choose many frameworks. Note that ASP. net ajax is not included in the AJAX framework.At the beginning, I learned JQuqery, and many $ get (),... and so on have

Domain LayerPatterns 1. Transaction Script Organize Business Logic by procedures that carry out what needs to be Done in a transaction. Use the process to organize the business logic. Each process completes the processing of a request. 2. Domain

Mysql-6 data retrieval (4), mysql-6 Data RetrievalSummary data Function Description AVG () Returns the average of a column. COUNT () Returns the number of rows in a column. MAX () Returns the maximum

20-minute basic MySQL entry, 20-minute mysql entry Start to use MySQL is a Relational Database Management System. A Relational Database consists of one or more tables: Header ): Name of each column;Column (row ): A set of data with the same data

JQuery: Overview of common methods and jqueryCodeCode highlighting produced by Actipro CodeHighlighter (freeware) http://www.CodeHighlighter.com/--> Attribute:$ ("P"). addClass (style type defined in css); add a style to an element$ ("Img"). attr

Loose index scan and loosescan The most effective way to optimize Group By is to directly use indexes to completely obtain the fields that require group. When this access method is used, MySQL uses the index type (such as the BTREE index) that sorts