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java Programming Glossary: it'sWhy 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 back and restarting. This is branch prediction. I admit it's not the best analogy since the train could just signal the direction.. equivalent to the original if statement. But in this case it's valid for all the input values of data . Benchmarks Core i7..
Why is Java Vector class considered obsolete or deprecated? http://stackoverflow.com/questions/1386275/why-is-java-vector-class-considered-obsolete-or-deprecated overhead of locking even when you don't need to. Basically it's a very flawed approach to synchronization in most situations...
Why JSF calls getters multiple times http://stackoverflow.com/questions/2090033/why-jsf-calls-getters-multiple-times may return different values on each call for example when it's dependent on the currently iterated datatable row . Evaluating..
What is the difference between JSF, Servlet and JSP? http://stackoverflow.com/questions/2095397/what-is-the-difference-between-jsf-servlet-and-jsp code in the server's work directory. In for example Tomcat it's the work directory. On a JSP request the servletcontainer will..
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 MyType.Nested is not a parameterized type even though it's a member type of a parameterized type MyType E because it's.. a member type of a parameterized type MyType E because it's static . mt1 and mt2 are both declared with actual type parameters.. you'd violate the type invariant of List String names . If it's unsafe why is it allowed to use a raw type Here's another quote..
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 so on . The getPart method is however relatively new it's introduced in Servlet 3.0 Glassfish 3 Tomcat 7 etc . Prior to..
How to call SOAP web service in Android http://stackoverflow.com/questions/297586/how-to-call-soap-web-service-in-android parsing it all manually with SAX . OK that's fine but it's 2008 so I figured there should be some good library for calling..
How do servlets work? Instantiation, session variables and multithreading http://stackoverflow.com/questions/3106452/how-do-servlets-work-instantiation-session-variables-and-multithreading shared among all requests. That's the nice thing of Java it's multithreaded and different threads read HTTP requests can make..
Socket using in a swing applet http://stackoverflow.com/questions/3244400/socket-using-in-a-swing-applet I couldn't find a simple example for code that shows how it's done in a simple way. Anyone has any simple example or can explain..
JSTL in JSF2 Facelets… makes sense? http://stackoverflow.com/questions/3342984/jstl-in-jsf2-facelets-makes-sense top to bottom first producing the JSF component tree then it's JSF's turn to run from top to bottom again producing the HTML..
Design Patterns web based applications http://stackoverflow.com/questions/3541077/design-patterns-web-based-applications we have one Servlet per entity which will process all it's options and forward request to service layer.Or should we have..
http://stackoverflow.com/questions/40480/is-java-pass-by-reference I've seen a couple of blog posts e.g. this blog that claim it's not. I don't think I understand the distinction they're making...
How do I import the javax.servlet API in my Eclipse project? http://stackoverflow.com/questions/4076601/how-do-i-import-the-javax-servlet-api-in-my-eclipse-project you'll be able to import and use the Servlet API. Or if it's an existing project you can set change the server by Targeted.. troubles because your webapp would not work when it's deployed to a servletcontainer of a different make version than..
http://stackoverflow.com/questions/4112686/how-to-use-servlets-and-ajax ajax Asynchronous JavaScript and XML . However last years it's more than often Asynchronous JavaScript and JSON . Basically.. update the HTML DOM tree based on the response data. Since it's pretty a tedious work to make it to work across all browsers..
Java GUI listeners without AWT http://stackoverflow.com/questions/6255106/java-gui-listeners-without-awt
Java String.equals versus == [duplicate] http://stackoverflow.com/questions/767372/java-string-equals-versus with the same value can actually be compared with but it's better not to rely on that. if usuario.equals datos 0 ... NB..
Java web development, what skills do I need? [closed] http://stackoverflow.com/questions/1958808/java-web-development-what-skills-do-i-need Java EE 5 tutorial part V or Java EE 6 tutorial part VI . It's good to know that the guy behind legacy Hibernate for J2SE J2EE..
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 Firing a HTTP GET request with optionally query parameters It's a trivial task. It's the default request method. URLConnection.. with optionally query parameters It's a trivial task. It's the default request method. URLConnection connection new URL.. try reader.close catch IOException logOrIgnore else It's likely binary content use InputStream OutputStream. Maintaining..
How do servlets work? Instantiation, session variables and multithreading http://stackoverflow.com/questions/3106452/how-do-servlets-work-instantiation-session-variables-and-multithreading The ServletContext lives as long as the webapp lives. It's been shared among all requests in all sessions. The HttpSession.. and the session hasn't timed out at the server side yet. It's been shared among all requests in the same session. The HttpServletRequest..
What are the pros and cons of the leading Java HTML parsers? http://stackoverflow.com/questions/3152138/what-are-the-pros-and-cons-of-the-leading-java-html-parsers form values click elements invoke JavaScript etcetera. It's much more than alone a HTML parser. It's a real GUI less webbrowser.. etcetera. It's much more than alone a HTML parser. It's a real GUI less webbrowser and HTML unit testing tool. Jsoup.. Answerer answerer.text Do you see the difference It's not only less code but Jsoup is also relatively easy to grasp..
When to use LinkedList<> over ArrayList<>? http://stackoverflow.com/questions/322715/when-to-use-linkedlist-over-arraylist construct the ArrayList with a higher initial capacity. It's worth noting that Vector also implements the List interface..
Design Patterns web based applications http://stackoverflow.com/questions/3541077/design-patterns-web-based-applications specific with a custom exception like ActionException . It's just a basic kickoff example the rest is all up to you. Here's.. Map String Action which holds all known actions. It's up to you how to fill this map. Hardcoding actions.put POST..
http://stackoverflow.com/questions/3655316/browser-cant-access-find-relative-resources-like-css-images-and-links-when-cal of the JSP file in the server side as you seem to expect. It's namely the webbrowser who has to download those resources individually.. uri #identifier jump a Each way has its own pros and cons. It's up to you which to choose. At least you should now understand..
Swing: link toggle buttons together with a button group, along with corresponding menu items http://stackoverflow.com/questions/4038605/swing-link-toggle-buttons-together-with-a-button-group-along-with-correspondin able to solve the problem with the Netbeans GUI designer It's just easier java swing gui share improve this question The..
Why are only final variables accessible in anonymous class? http://stackoverflow.com/questions/4732544/why-are-only-final-variables-accessible-in-anonymous-class handling anonymous class share improve this question It's basically due to the way Java manages closures . When you create..
Calling awt Frame methods from subclass http://stackoverflow.com/questions/5665156/calling-awt-frame-methods-from-subclass a maze game to get my head around physics and rendering. It's been a good experience so far but I've hit a bit of a brick..
Java GUI listeners without AWT http://stackoverflow.com/questions/6255106/java-gui-listeners-without-awt should avoid using Swing components with AWT components . It's OK to use Swing with the AWT listener structure layout managers..
How can I put a control in the JTableHeader of a JTable? http://stackoverflow.com/questions/7137786/how-can-i-put-a-control-in-the-jtableheader-of-a-jtable type Boolean.class the default renderer is a JCheckBox . It's easy enough to select individual cells based on a user selection..
Dealing with “java.lang.OutOfMemoryError: PermGen space” error http://stackoverflow.com/questions/88235/dealing-with-java-lang-outofmemoryerror-permgen-space-error web application java.lang.OutOfMemoryError PermGen space It's a typical Hibernate JPA IceFaces JSF application running on..
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