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-(Nsarray *) Invertedorder { 1. Copy the copy First Nsmutablearray *arr = [Nsmutablearray arraywitharray:self]; for (int i = 0; i [Arr exchangeobjectatindex:i Withobjectatindex:[arr Count]-i-1]; } return arr; } "FONT-FAMILY:KAITI_GB2312;FONT-SIZE:24PX;">nsarray *arr = @[@"AA", @"BB", @"CC", @"dd", @"ee"]; //0-1 Nsarray *arr1 = [arr Invertedorder]; NSLog (@"%@", arr1);

There was a problem with a project that was not published this week in developmentOnline Search to http://www.cnblogs.com/chanedi/articles/2112477.html this peer blog, a smooth solution to the problem, the method is posted here.Through search, found in Project's. Setting folder below, there is a file called Org.eclipse.wst.common.project.facet.core.xml, which is configured with various version information. At this point, the problem is solved by modifying the file according to the native configu

Identify the best suited standard validator and implement it in a given JSF application Create, configure, and use custom validators Describe the usage of bean validation Section 4:event Handling Use CDI Named beans in a JSF application to handle action and Valuechange events Create and implement listeners to handle events Develop JSF application that handle life cycle events Implement Asynchronous events using AJAX Section 5:data table and Composite c

j2ee| Notes | server | client Learn some Java EE every week, make some notes. Goal: Be proficient in using WebSphere to do Java EE development work. Come on! Come on!! Come on!!! Figure 3 Java EE scene The following should be noted in figure three: 1, Tier integration is the center of the Java EE programming mod

When deploying the project Tomcat version 6.0 only supports EE 1.2, 1.3, 1.4, 1.5 and Java EE 5 Web Modules The wrong solution, as in the following:Below the. Settings under the Space project, there is a file named Org.eclipse.wst.common.project.facet.core.xml. There are various version number information in the configuration:Like the above error, be able to download Tomcat 7. 0 resolution, can also be Cop

://www.eclipse.org/We download the Java version: Eclipse IDE for Java EE developersCurrently the latest version is: Helios Service Release 2WINDOWS32 version of: http://www.eclipse.org/downloads/download.php?file=/technology/epp/downloads/release/helios/SR2/ Eclipse-jee-helios-sr2-win32.zipThis version is an uncompressed version.For example, the path of our extracted eclipse is: F:eclipse-jee-helios-sr2-win32eclipse (hereinafter referred to as%eclipse

Java EE development basics and Java EE Development 1 JavaEEIntroduction The Java Platform has three versions: JavaSE (Java Platform, Standard Edition), JavaEE (Java Platform, Enterprise Edition), and JavaME (Java Platform, Micro Edititon ). JavaSE, formerly referred to as J2SE, is applicable to desktop system development. It contains classes that support Java Web service development and provides the foundat

Original: http://docs.oracle.com/javaee/7/tutorial/doc/overview008.htmTranslation: Shi Zholin [email protected]1.8 Java EE 7 APIs in the Java Platform, standard Edition 7Several APIs that is required by the Java EE 7 platform is included in the Java platform, Standard Edition 7 (Java SE 7) and is thus available to Java EE applications.1.8 Java

Java projects developed with Eclipse cannot be loaded into the tomcat6.0 server due to the fact that the Jst.web version is highNote: Specific procedures:Find your workspace Under-project name \.settings\org.eclipse.wst.common.project.facet.core.xml This configuration file will or download a higher version of Tomcat (Tomcat 7.0 or more).Error loading Web project times: Tomcat version 6.0 only supports EE 1.2, 1.3, 1.4, and Java

Transferred from: http://jingwang0523.blog.163.com/blog/static/9090710320113294551497/Recently in the project with Eclipse, the new project when everything is new, with the latest version, in the Dynamic Web Module version column selected the latest version 3.0, the project when the program was the error, on the Internet to see HTTP// Hi.baidu.com/yolanda441/b ... 41d36dd1164e2e.html This brother's blog, solve the problem, now put the method to this, hoping to help others:Through search, found i

Recently in the project with Eclipse, the new project when everything is new, with the latest version, in the Dynamic Web Module version column selected the latest version 3.0, the project when the program was the error, on the Internet to see HTTP// Hi.baidu.com/yolanda441/b ... 41d36dd1164e2e.html This brother's blog, solve the problem, now put the method to this, hoping to help others:Through search, found in Project's. Setting folder below, there is a file called Org.eclipse.wst.common.proje

recently, when playing with Eclipse, new projects are all greedy new, with the latest version, in the Dynamic Web Module version column selected the latest version 3.0, the project was the time when the error occurred, the Internet to see other netizensblog, solve the problem, the method is now posted here, hoping to help others:With search, you find a file named Org.eclipse.wst.common.project.facet.core.xml in the. Setting folder under Project, which is configured with various version informati

done adding.4. Invocation mode Import Javax.naming.Context; Import Javax.naming.InitialContext; Import javax.naming.NamingException; Import Javax.sql.DataSource; Import java.sql.*; public class DBAccess { private static DataSource ds=null; Private C Ontext ctx=null; Private Connection conn=null; Statement stat=null; nbsp Private ResultSet rs=null; public DBAccess () throws Namingexception {ctx= New InitialContext (); Ds= (DataSource) ctx.lookup ("Java:/com

J2ee| Project In my experience as a developer, senior developer, architect, I have encountered good, poor, and even ugly enterprise-class Java projects. When I ask myself what makes a project successful and another failure, I find it hard to get a perfect answer, as if it's hard to define all the software projects with success. The Java EE project is no exception. Therefore, the project is divided into different levels of success or failure. In this a

Java Se=java Standard EditionJava Ee=java Enterprise EditionJava Me=java Mobile EditionSE primarily for desktop applications, console development (JFC)EE Enterprise-level development (JSP,EJB)Me embedded development (mobile, small appliances)Currently, there are 3 versions of the Java 2 platform, which are Java 2 platform Micro (Java 2 Platform micro Edition,j2me) for small devices and smart cards, and Java

Often listen to friends say what Java EE, finally know what is the Java EE, Khan, the Internet search the next this said more detailed, J2EE,JAVA2 Platform Enterprise Edition (Java 2 Platform Enterprise Edition), It is the standard platform that Sun company launches for the Enterprise class application. The Java platform is divided into three major versions: Java EE