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java Programming Glossary: insteadUnsupported major.minor version 51.0 http://stackoverflow.com/questions/10382929/unsupported-major-minor-version-51-0 it Should I install JDK and setup my path variable to JDK instead of JRE Difference between PATH variable in JRE or JDK java..
Why is Java Vector class considered obsolete or deprecated? http://stackoverflow.com/questions/1386275/why-is-java-vector-class-considered-obsolete-or-deprecated Stack which is a subclass of Vector what should I use instead of it java vector stack deprecated obsolete share improve..
Why JSF calls getters multiple times http://stackoverflow.com/questions/2090033/why-jsf-calls-getters-multiple-times expressions behave exactly the same when Facelets is used instead of JSP . The deferred expression is not immediately evaluated..
getResourceAsStream() vs FileInputStream http://stackoverflow.com/questions/2308188/getresourceasstream-vs-fileinputstream should really prefer using absolute paths in the File API instead of relative paths. E.g. C full path to file.ext . You don't..
How to upload files to server using JSP/Servlet? http://stackoverflow.com/questions/2422468/how-to-upload-files-to-server-using-jsp-servlet then you need to extract the value from getPart as follows instead String description getValue request.getPart description Retrieves..
What is a raw type and why shouldn't we use it? http://stackoverflow.com/questions/2770321/what-is-a-raw-type-and-why-shouldnt-we-use-it so it may be tempting to just say that they're just List instead. However there is a major difference since a List E defines..
How to use java.net.URLConnection to fire and handle HTTP requests? http://stackoverflow.com/questions/2793150/how-to-use-java-net-urlconnection-to-fire-and-handle-http-requests and use its HttpURLConnection#setRequestMethod instead. But if you're trying to use the connection for output you still.. you could also use cookie.substring 0 cookie.indexOf ' ' instead of split . Streaming mode The HttpURLConnection will by default..
Download a file with Android, and showing the progress in a ProgressDialog http://stackoverflow.com/questions/3028306/download-a-file-with-android-and-showing-the-progress-in-a-progressdialog HTTP 200 OK so we don't mistakenly save error report instead of the file if connection.getResponseCode HttpURLConnection.HTTP_OK..
JSTL in JSF2 Facelets… makes sense? http://stackoverflow.com/questions/3342984/jstl-in-jsf2-facelets-makes-sense an attribute of a JSTL tag then it will be newly recreated instead of retrieved from the view tree simply because the complete.. use the rendered attribute on the JSF HTML component instead. h someComponent rendered # lpc.verbose ... h someComponent..
Design Patterns web based applications http://stackoverflow.com/questions/3541077/design-patterns-web-based-applications the register and login parts by request.getServletPath instead. Strategy pattern The Action should follow the Strategy pattern.. and pass that as argument into the Action#execute method instead. This adds an extra abstract layer to hide the raw Servlet API..
Why not use Double or Float to represent currency? http://stackoverflow.com/questions/3730019/why-not-use-double-or-float-to-represent-currency represented in a form similar to 1.45 10^4 except that instead of the base being 10 it's two. All real decimal numbers can..
http://stackoverflow.com/questions/4112686/how-to-use-servlets-and-ajax the div get updated with the servlet response. With JSON instead of plaintext as response format you can even get some steps..
Prevent user from going back to the previous secured page after logout http://stackoverflow.com/questions/4194207/prevent-user-from-going-back-to-the-previous-secured-page-after-logout by the back button is been loaded from the browser cache instead of straight from the server. You just need to instruct the browser.. the browser is forced to request the page from the server instead of from the cache and hence all login checks on the server will..
Migrating from JSF 1.2 to JSF 2.0 http://stackoverflow.com/questions/4441713/migrating-from-jsf-1-2-to-jsf-2-0 needs to be updated to extend ViewHandlerWrapper instead. Not necessary but just for cleanup remove any Facelets 1.x..
When to use <ui:include>, tag files, composite components and/or custom components? http://stackoverflow.com/questions/6822000/when-to-use-uiinclude-tag-files-composite-components-and-or-custom-componen you want to control the building of the JSF component tree instead of rendering of the HTML output then you should consider a Tag..
How to best position Swing GUIs http://stackoverflow.com/questions/7143287/how-to-best-position-swing-guis true But Andrew Thompson had a different opinion to instead call frame.pack frame.setLocationByPlatform true and inquiring..
The Use of Multiple JFrames, Good/Bad Practice? http://stackoverflow.com/questions/9554636/the-use-of-multiple-jframes-good-bad-practice images it would be better to use either of the following instead A single JLabel centered in a scroll pane to display whichever..
Get Edited TreeNode from a CellEditorListener http://stackoverflow.com/questions/11107984/get-edited-treenode-from-a-celleditorlistener it is the editor's anonymous UI delegate. Instead override getCellEditorValue in your DefaultTreeCellEditor as..
Waiting for multiple SwingWorkers http://stackoverflow.com/questions/11366330/waiting-for-multiple-swingworkers is technically possible but generally unappealing. Instead consider a JList or JTable . import java.awt.Color import java.awt.EventQueue..
Resizing issue with canvas within jscrollpane within jsplitpane http://stackoverflow.com/questions/11942961/resizing-issue-with-canvas-within-jscrollpane-within-jsplitpane jscrollpane jsplitpane share improve this question Instead of setPreferredSize let your components calculate their own..
Random errors when changing series using JFreeChart http://stackoverflow.com/questions/13205251/random-errors-when-changing-series-using-jfreechart from the process method of a SwingWorker as shown here . Instead of a DateAxis use a NumberAxis as shown in ChartFactory.createXYLineChart..
Difference between DTO, VO, POJO, JavaBeans? http://stackoverflow.com/questions/1612334/difference-between-dto-vo-pojo-javabeans Object or DTO is a anti pattern introduced with EJB. Instead of performing many remote calls on EJBs the idea was to encapsulate..
Instance variable initialization in java http://stackoverflow.com/questions/1994218/instance-variable-initialization-in-java any method so they cannot be executed as statements are. Instead the Java compiler generates instance field initialization code.. avoid using the new operator anywhere within your class. Instead using Dependency Injection is preferable i.e. letting someone..
What is a Null Pointer Exception? http://stackoverflow.com/questions/218384/what-is-a-null-pointer-exception named num but it does not contain a primitive value. Instead it contains a pointer because the type is Integer which is a..
Why doesn't System.out.println work? (in Android) http://stackoverflow.com/questions/2220547/why-doesnt-system-out-println-work-in-android when you run a traditional Java application with javaw . Instead you can use the Android Log class Log.d MyApp I am here You..
When to choose checked and unchecked exceptions http://stackoverflow.com/questions/27578/when-to-choose-checked-and-unchecked-exceptions specific details by throwing SQLException or IOException . Instead it should wrap the exception in an abstraction that spans all..
Android/Java — Post simple text to Facebook wall? http://stackoverflow.com/questions/2953146/android-java-post-simple-text-to-facebook-wall 1.5 . My solution is to forget about exporting as a jar. Instead copy the Facebook com folder directly into your app's src folder..
Java Swing: how to add an image to a JPanel? http://stackoverflow.com/questions/299495/java-swing-how-to-add-an-image-to-a-jpanel that you cannot add an ImageIcon directly to a JPanel. Instead they achieve the same effect by setting the image as an icon..
Java: How to test methods that call System.exit()? http://stackoverflow.com/questions/309396/java-how-to-test-methods-that-call-system-exit question Indeed Derkeiler.com suggests Why System.exit Instead of terminating with System.exit whateverValue why not throw..
Java Process with Input/Output Stream http://stackoverflow.com/questions/3643939/java-process-with-input-output-stream happens at present to be no more output from the process. Instead it will wait for the next line of output from the process and..
Avoid synchronized(this) in Java? http://stackoverflow.com/questions/442564/avoid-synchronizedthis-in-java to point out that synchronized this should be avoided. Instead they claim a lock on a private reference is to be preferred...
Generate/get xpath from XML node java http://stackoverflow.com/questions/4746299/generate-get-xpath-from-xml-node-java 89734 id elemX root This produces root elemX id '89734' Instead root elemX @serial 'kefw90234kf2esda9231' root elemX id '89734'..
How can an app use files inside the JAR for read and write? http://stackoverflow.com/questions/5052311/how-can-an-app-use-files-inside-the-jar-for-read-and-write files inside .jar file and read it again No you don't. Instead store the 'default' file inside the Jar. If it is changed store..
Are getters and setters poor design? [closed] http://stackoverflow.com/questions/565095/are-getters-and-setters-poor-design might be tempted to have a setAlive boolean alive method. Instead you should have private boolean alive true public boolean isAlive..
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 I want to bundle this database with my application. Instead of creating a new database how can the application gain access..
How to set the java.library.path from Eclipse http://stackoverflow.com/questions/957700/how-to-set-the-java-library-path-from-eclipse Don't mess with the library path Eclipse builds it itself Instead go into the library settings for your projects and for each..
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