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Java Jirawat: JEE Webapp Troubleshooting Tool

http://www.javajirawat.com/2014/01/jee-webapp-troubleshooting-tool.html

Jirawat Uttayaya JEE Notebook. JEE Webapp Troubleshooting Tool. To help troubleshoot a web application, it is useful to print out information about the JEE server and the HTTP request. I created a JSP page called serverinfo.jsp to display information about the server, Java memory, classpath, HTTP Session, and cookie. I have used this tool numerous times in production to troubleshoot issues with load balancing, dropped sessions, bad cookies, and OutOfMemoryExceptions. The source code is on GitHub.

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Java Jirawat: Built-in Android ListView layouts: Part 2

http://www.javajirawat.com/2013/03/built-in-android-listview-layouts-part-2.html

Jirawat Uttayaya JEE Notebook. Built-in Android ListView layouts: Part 2. See Part 1 here. Android has several built-in ListView layouts. That you can easily use without defining your own layout XML. The source code needs cleanup and better documentation but it should give you an idea how to use the built-in layout. Android.R.layout.simple list item activated 1. Xml version="1.0" encoding="utf-8"? Android:attr/textAppearanceListItemSmall" android:gravity="center vertical" android:paddingStart= "? Android...

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Java Jirawat: November 2013

http://www.javajirawat.com/2013_11_01_archive.html

Jirawat Uttayaya JEE Notebook. WebLogic Server 12.1.2 and IntelliJ IDEA 11 not working. I performed a new install of WebLogic 12.1.2 on my Mac OSX. I could not get IntelliJ IDEA 11 to add it as a valid Application Server. The error I got was "Warning: Directory is not BEA home". The new WebLogic 12.1.2 no longer creates registry.xml in the WebLogic home directory. This file had been created by WebLogic since at least version 8. Even WebLogic 12.1.1 created registry.xml. The contents of registry.xml.

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Java Jirawat: Android ListView Tutorial: simple_list_item_2 and SimpleAdapter

http://www.javajirawat.com/2013/03/android-listview-tutorial_12.html

Jirawat Uttayaya JEE Notebook. Android ListView Tutorial: simple list item 2 and SimpleAdapter. This tutorial demonstrates how to display an array of Java enum in the Android UI. This example is also applicable if using an array or List of JavaBeans or plain Java Objects. Use the built-in android.R.layout.simple list item 2. To create an Android UI List. Use android.widget.SimpleAdapter. To display an array of Java enum in the Android UI List. Create class extending android.app.ListActivity. HashMap Stri...

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Java Jirawat: Null safe for-each loop

http://www.javajirawat.com/2013/01/null-safe-for-each-loop.html

Jirawat Uttayaya JEE Notebook. Null safe for-each loop. If a collection is null when used in a for-each loop, it will result in a NullPointerException. To prevent this, use the following utility method to return an empty list if the collection is null. Public static T Collection T nullSafe(Collection T c) {. Return (c = null)? Collections. T emptyList() : c;. Set String c = null;. For(String s : nullSafe(c) {. System.out.println(s);. Subscribe to: Post Comments (Atom). How to build an offline Karaf server.

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Java Jirawat: How to add a new user/schema in Oracle

http://www.javajirawat.com/2014/01/how-to-add-new-userschema-in-oracle.html

Jirawat Uttayaya JEE Notebook. How to add a new user/schema in Oracle. How do add a new user and schema in Oracle? In Oracle, when you create a new user, you automatically create a new schema that has the same name as the username). Log in as a SYSTEM Oracle user and run the commands:. DEFAULT TABLESPACE user tablespace. QUOTA UNLIMITED ON user tablespace. TEMPORARY TABLESPACE temporary tablespace;. GRANT CREATE SESSION TO username. GRANT CREATE TABLE TO username. GRANT CREATE VIEW TO username.

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Java Jirawat: WebLogic Server 12.1.2 and IntelliJ IDEA 11 not working

http://www.javajirawat.com/2013/11/weblogic-server-1212-and-intellij-idea.html

Jirawat Uttayaya JEE Notebook. WebLogic Server 12.1.2 and IntelliJ IDEA 11 not working. I performed a new install of WebLogic 12.1.2 on my Mac OSX. I could not get IntelliJ IDEA 11 to add it as a valid Application Server. The error I got was "Warning: Directory is not BEA home". The new WebLogic 12.1.2 no longer creates registry.xml in the WebLogic home directory. This file had been created by WebLogic since at least version 8. Even WebLogic 12.1.1 created registry.xml. The contents of registry.xml.