java Programming Glossary: followWhy is processing a sorted array faster than an unsorted array? http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array same... In other words you try to identify a pattern and follow it. This is more or less how branch predictors work. Most applications..
Using “final” modifier whenever applicable in java [closed] http://stackoverflow.com/questions/137868/using-final-modifier-whenever-applicable-in-java marked. What are your thoughts on this and what do you follow java design oop share improve this question I think it all..
What to learn for making Java web applications in Java EE 6? [closed] http://stackoverflow.com/questions/1960280/what-to-learn-for-making-java-web-applications-in-java-ee-6 6 Platform with GlassFish 3 From Novice to Professional or follow the Java EE 6 tutorial . In my opinion the book that I've started..
Javax.swing timer repeats fine, but ActionListener doesn't do anything http://stackoverflow.com/questions/2123841/javax-swing-timer-repeats-fine-but-actionlistener-doesnt-do-anything the background colour in a textfield. My timer setup is as follows Flash flash new Flash set up timer tmr new javax.swing.Timer.. 0 tmr.setRepeats true tmr.start My actionListener is as follows static class Flash implements ActionListener public void actionPerformed.. actionPerformed Flash Now when I put this in debug and follow the action the program does repeatedly step through flash and..
Placing component on Glass Pane http://stackoverflow.com/questions/2561690/placing-component-on-glass-pane but without any visual effects. I want to have this JLabel follow the cursor during the drag of the item from one container to..
When to choose checked and unchecked exceptions http://stackoverflow.com/questions/27578/when-to-choose-checked-and-unchecked-exceptions when they should be used. The Java core API fails to follow these rules for IOException and SQLException which is why they.. wrap the exception in an unchecked exception. If you follow this rule you will find yourself converting checked exceptions..
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure http://stackoverflow.com/questions/2983248/com-mysql-jdbc-exceptions-jdbc4-communicationsexception-communications-link-fai isn't reachable at all. This can have one or more of the following causes IP address or hostname in JDBC URL is wrong. Hostname.. e.g. a firewall or proxy. To solve the one or the other follow the following advices Verify and test them with ping . Refresh.. or proxy. To solve the one or the other follow the following advices Verify and test them with ping . Refresh DNS or use..
Design Patterns web based applications http://stackoverflow.com/questions/3541077/design-patterns-web-based-applications instead. Strategy pattern The Action should follow the Strategy pattern . It needs to be defined as an abstract.. error. Factory method pattern The ActionFactory should follow the Factory method pattern . Basically it should provide a creational..
How to internationalize a Java web application? http://stackoverflow.com/questions/4276061/how-to-internationalize-a-java-web-application for Translation English to Arabic vice versa . I want to follow Internationalization. I wish to run my web Application for translation.. with properties file based resource bundles. Create the following files and put them in some package e.g. com.example.i18n.. Acceder The resource bundle filename should adhere the following pattern name_ll_CC.properties . The _ll part should be the..
Unicode equivalents for \w and \b in Java regular expressions? http://stackoverflow.com/questions/4304928/unicode-equivalents-for-w-and-b-in-java-regular-expressions about whitespace properly is super annoying. Consider the following table. For each of those code points there is both a J results.. The short story is that my code rewrites those 14 as follows s u0009 u000D u0020 u0085 u00A0 u1680 u180E u2000 u200A u2028.. for the edge of the string. A b boundary means IF does follow word THEN doesn't precede word ELSIF doesn't follow word THEN..
Migrating from JSF 1.2 to JSF 2.0 http://stackoverflow.com/questions/4441713/migrating-from-jsf-1-2-to-jsf-2-0 Regardless of the view technology switch at least the following steps should be done Remove JSF 1.2 JAR's from WEB INF lib.. the JSF 2.0 supplied Facelets 2.0 then you need to do the following additional steps Remove Facelets 1.x JAR from WEB INF lib.. page changes On every master page you need to change the following basic JSP template.. @page contentType text html pageEncoding..
Is there a way to refer to the current type with a type variable? http://stackoverflow.com/questions/7354740/is-there-a-way-to-refer-to-the-current-type-with-a-type-variable To build on StriplingWarrior's answer I think the following pattern would be necessary this is a recipe for a hierarchical.. baseMethod logic return self Further derived classes can follow in the same manner. But none of these classes can be used directly..
How are SSL certificate server names resolved/Can I add alternative names using keytool? http://stackoverflow.com/questions/8443081/how-are-ssl-certificate-server-names-resolved-can-i-add-alternative-names-using won't accept the connection as trusted and throws the following Exception Caused by java.security.cert.CertificateException.. host name. Some browsers might work because not all tools follow this specification strictly in particular because most specific.. using the OPENSSL_CONF environment variable . Set the following options find the appropriate sections within brackets first..
How to use an existing database with an Android application [duplicate] http://stackoverflow.com/questions/9109438/how-to-use-an-existing-database-with-an-android-application DB_NAME ordersDB Keep the Database in assets folder then follow below DataHelper class import java.io.File import java.io.FileOutputStream..
Construct a tree structure from list of string paths http://stackoverflow.com/questions/1005551/construct-a-tree-structure-from-list-of-string-paths were good too. java tree share improve this question Follow an implementation of naive implementation of a visitable tree..
Add a complex image in the panel, with buttons around it in one customized user interface http://stackoverflow.com/questions/10861852/add-a-complex-image-in-the-panel-with-buttons-around-it-in-one-customized-user new GridLayout 0 1 configPanel.add masterPanel Follow up Excellent one from Andrew Thompson at least my broken method..
http://stackoverflow.com/questions/115835/what-is-the-best-method-to-capture-images-from-a-live-video-device-for-use-by-a another frame accurate data stream please chime in. Follow up to this question at this point I am strongly inclined to..
What?䏭 the current state of closures in Java? http://stackoverflow.com/questions/116865/whats-the-current-state-of-closures-in-java lambda expressions have been deferred until Java 8. Follow Project Lambda JSR 335 for more information. share improve..
Getting NoClassDefFoundError when using common.lang.StringUtils in android java code? http://stackoverflow.com/questions/11823975/getting-noclassdeffounderror-when-using-common-lang-stringutils-in-android-java Yes this because of your .jar file didn't import properly. Follow below steps Place your .jar file in your project's libs folder..
Java web development, what skills do I need? [closed] http://stackoverflow.com/questions/1958808/java-web-development-what-skills-do-i-need also assume that you're already familiar with basic Java. Follow Oracle's The Java Tutorials and if possible go get a SCJP book..
Are there best practices for (Java) package organisation? http://stackoverflow.com/questions/3226282/are-there-best-practices-for-java-package-organisation some simple guidelines for package naming and structuring Follow java package naming conventions Structure your packages according..
Multiple Entity Manager issue in Spring when using more than one datasource http://stackoverflow.com/questions/3731016/multiple-entity-manager-issue-in-spring-when-using-more-than-one-datasource How is this problem caused and how can I solve this Follow up One thing I forgot to mention is that even though there are..
Best practices for exception management in Java or C# http://stackoverflow.com/questions/409563/best-practices-for-exception-management-in-java-or-c-sharp don't result in everything requiring a try catch block Follow Up Edit Thanks for all the feedback found some excellent sources.. a Java in Java you would just handle the exception one. Follow the error management constructs associated with the language..
How to annotate MYSQL autoincrement field with JPA annotations http://stackoverflow.com/questions/4102449/how-to-annotate-mysql-autoincrement-field-with-jpa-annotations I will provide them. Any help is greatly appreciated. Follow up Pascal thank you for a quick reply. Sorry I completely forgot.. but no insert update. Any help is greatly appreciated. Follow Up I kind of copied this config from my other project where.. who created the table Can you show the corresponding DDL Follow up I can't reproduce your problem. Using the code of your entity..
http://stackoverflow.com/questions/4948152/need-sample-android-rest-client-project-which-implements-virgil-dobjanschi-rest do this might changed from app to app but the formula is Follow this ideas Add your own Happy Android application The model..
Reference is ambiguous with generics http://stackoverflow.com/questions/5361513/reference-is-ambiguous-with-generics this Or is there a workaround compiler setting to help me Follow Up For those interested I have filed a bug report both to Oracle..
How to create Java method that accepts variable number of arguments? http://stackoverflow.com/questions/7607353/how-to-create-java-method-that-accepts-variable-number-of-arguments own function that accepts a variable number of arguments Follow up question I'm really trying to make a convenience shortcut..
Listening for input without focus in Java http://stackoverflow.com/questions/901224/listening-for-input-without-focus-in-java code through JNI. This step is actually the easier step. Follow the procedure that I use in my tutorial at http ubuntuforums.org..
EL access a map value by Integer key http://stackoverflow.com/questions/924451/el-access-a-map-value-by-integer-key is already in the request's attributes c out value map 1 Follow up I tracked down the problem. Apparently name 1 does a map..
Why does JPasswordField.getPassword() create a String with the password in it? http://stackoverflow.com/questions/983964/why-does-jpasswordfield-getpassword-create-a-string-with-the-password-in-it frame.add passField frame.setVisible true frame.pack Follow up question is this 'hidden' use of getText dangerous in any..
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