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java Programming Glossary: butWhy 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 1000000000.0 System.out.println sum sum with a similar but less extreme result. My first thought was that sorting brings.. first thought was that sorting brings the data into cache but my next thought was how silly that is because the array was.. data c 128 sum data c Notice that the data is evenly distributed between 0 and 255. When the data is sorted roughly the first..
Why JSF calls getters multiple times http://stackoverflow.com/questions/2090033/why-jsf-calls-getters-multiple-times JSP . The deferred expression is not immediately evaluated but created as a ValueExpression object and the getter method behind.. and there in a boolean expression like the rendered attribute. JSF specifically EL won't cache the evaluated result of the.. is the getter called so many times by the rendered attribute Between a jsf page and a managed bean why the getter method..
How to upload files to server using JSP/Servlet? http://stackoverflow.com/questions/2422468/how-to-upload-files-to-server-using-jsp-servlet you have to use the POST method and the enctype attribute of the form has to be set to multipart form data . form action.. both . There's also the O'Reilly cos MultipartRequest but it has some minor bugs and isn't actively maintained anymore.. way and retrieve the uploaded file by request.getAttribute . You can find an example in this blog article . When you're..
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 usually been used in the server side to distinguish if a button was pressed and if so which one . You can also cast the obtained.. the HTTP request explicitly with URLConnection#connect but the the request will automatically be fired on demand when you.. 2 0 ... The split 2 0 is there to get rid of cookie attributes which are irrelevant for the server side like expires path..
How to call SOAP web service in Android http://stackoverflow.com/questions/297586/how-to-call-soap-web-service-in-android about parsing it all manually with SAX . OK that's fine but it's 2008 so I figured there should be some good library for.. been able to compile and use kSOAP2 in their own projects but I haven't had to. Google has shown to date little interest in.. NetBeans I can't speak to the tools available there but I agree that a better library should be available. It is possible..
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 in a ProgressDialog. I know how to do the ProgressDialog but I'm not sure how to display the current progress and how to.. prevent CPU from going off if the user presses the power button during download PowerManager pm PowerManager context.getSystemService.. while count input.read data 1 allow canceling with back button if isCancelled return null total count publishing the..
GUI not working after rewriting to MVC http://stackoverflow.com/questions/3066590/gui-not-working-after-rewriting-to-mvc file working fine maybe apart of the fact that Check button is invisible at start . http paste.pocoo.org show 226726.. here I've tried placing repaint in different places but it simply does not work at all Main public class Main public.. Frame Model model JButton checkAnswer private JPanel button private static final Color COLORS Color.black Color.white..
How to avoid Java Code in JSP-Files? http://stackoverflow.com/questions/3177733/how-to-avoid-java-code-in-jsp-files into JSP 2.0 style pages JSP 2.0 Specification supports but deemphasizes the use of scriptlets . ... In the spirit of adopting.. if HttpServletRequest request .getSession .getAttribute user null HttpServletResponse response .sendRedirect login.. productService.list Obtain all products. request.setAttribute products products Store products in request scope. request.getRequestDispatcher..
A better Java JSON library? [closed] http://stackoverflow.com/questions/338586/a-better-java-json-library found JSON lib which definitely looks like an improvement but I'm wondering if there is anything that is even better than..
Generating random numbers in a range with Java http://stackoverflow.com/questions/363681/generating-random-numbers-in-a-range-with-java Java I am trying to generate a random number with Java but random in a specific range. For example my range is 5 10 meaning.. between two numbers. I have tried the following things but I still have problems minimum and maximum are the smallest and..
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 project I want to develop with Servlets in Eclipse but it says that the package javax.servlet cannot be resolved. How..
How to choose the right bean scope? http://stackoverflow.com/questions/7031885/how-to-choose-the-right-bean-scope bean for request scoped data doesn't affect the client but it unnecessarily occupies server memory. Note that the scope..
Should I avoid the use of set(Preferred|Maximum|Minimum)Size methods in Java Swing? http://stackoverflow.com/questions/7229226/should-i-avoid-the-use-of-setpreferredmaximumminimumsize-methods-in-java-swi LayoutManager I have searched the web a little bit but I haven't found any comprehensive analysis of the subject. So..
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 .....
Why 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 the train could just signal the direction with a flag. But in computers the processor doesn't know which direction a branch.. branch predictors will typically achieve 90 hit rates. But when faced with unpredictable branches with no recognizable.. is not strictly equivalent to the original if statement. But in this case it's valid for all the input values of data . Benchmarks..
What is a Null Pointer Exception? http://stackoverflow.com/questions/218384/what-is-a-null-pointer-exception 10 is written into the memory location pointed to by x. But when you try to declare a reference type something different..
How to discover memory usage of my application in Android http://stackoverflow.com/questions/2298208/how-to-discover-memory-usage-of-my-application-in-android pages used by everything else. public int otherSharedDirty But as to what the difference is between Pss PrivateDirty and SharedDirty..
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.. . httpConnection.setFixedLengthStreamingMode contentLength But if the content length is really not known beforehand then you..
How to call SOAP web service in Android http://stackoverflow.com/questions/297586/how-to-call-soap-web-service-in-android a data encapsulation format. Or using XMPP for messaging. But that is just conjecture. XML based web services are a slightly..
GUI not working after rewriting to MVC http://stackoverflow.com/questions/3066590/gui-not-working-after-rewriting-to-mvc is invisible at start . http paste.pocoo.org show 226726 But when I've rewritten it to model view controller files and when.. javax.swing. public class View extends Frame Model model JButton checkAnswer private JPanel button private static final Color.. Dimension 400 100 button.setVisible true checkAnswer new JButton Check checkAnswer.setSize new Dimension 200 30 button.add..
How do servlets work? Instantiation, session variables and multithreading http://stackoverflow.com/questions/3106452/how-do-servlets-work-instantiation-session-variables-and-multithreading have been too expensive to recreate it on every request. But you should also realize that you should never assign any request..
Design Patterns web based applications http://stackoverflow.com/questions/3541077/design-patterns-web-based-applications works. Component based MVC this is harder to implement. But you end up with a simpler model and view wherein all the raw..
Generating random numbers in a range with Java http://stackoverflow.com/questions/363681/generating-random-numbers-in-a-range-with-java 1 Generate random numbers uniformly over an entire range But I couldn't solve the problem. java range random share improve.. . Following our example that means 5 10 5 Math.random 10 5 But this is still doesn't include Max and you are getting a double..
Migrating from JSF 1.2 to JSF 2.0 http://stackoverflow.com/questions/4441713/migrating-from-jsf-1-2-to-jsf-2-0 to Facelets behind the scenes without changing the URL's. But if you're using a prefix url pattern like faces and you want..
How to: generic array creation http://stackoverflow.com/questions/529085/how-to-generic-array-creation T Array.newInstance clazz capacity private final T array But I really don't get what's going on. Can anyone help java arrays..
Calling awt Frame methods from subclass http://stackoverflow.com/questions/5665156/calling-awt-frame-methods-from-subclass are two ways in which you can access your Frame object. But before that let me state these two points When you create a.. and load another PApplet in Well I have not tested it. But you can add a JPanel to your JApplet and do all your drawing..
How to best position Swing GUIs http://stackoverflow.com/questions/7143287/how-to-best-position-swing-guis frame.setLocationRelativeTo null frame.setVisible true But Andrew Thompson had a different opinion to instead call frame.pack..
The Use of Multiple JFrames, Good/Bad Practice? http://stackoverflow.com/questions/9554636/the-use-of-multiple-jframes-good-bad-practice example below . As nodes in a JTree . Nested layouts . But if those strategies do not work for a particular use case try..
http://stackoverflow.com/questions/12270738/jtable-sorting-by-integer table by the model 'Personal_model' i also set rowsorter. BUT ALL THIS DOESN'T WORK help me pls modeltable new Personal_model..
Java 3D plot library? [closed] http://stackoverflow.com/questions/1740830/java-3d-plot-library the result as a 3D plot. I have almost everything done BUT the visualization which is the most important I guess . At first..
http://stackoverflow.com/questions/2405885/any-good-jsch-examples strPassword UNCOMMENT THIS FOR TESTING PURPOSES BUT DO NOT USE IN PRODUCTION sesConnection.setConfig StrictHostKeyChecking..
Netbeans GUI editor generating its own incomprehensible code http://stackoverflow.com/questions/2561480/netbeans-gui-editor-generating-its-own-incomprehensible-code application from scratch i can write my own swing app BUT I CANNOT FIND THE GUI EDITOR. How do i bring the GUI editor..
Alternative to ui:fragment in JSF http://stackoverflow.com/questions/3713468/alternative-to-uifragment-in-jsf rendered most of IDE like netbeans mark it as error BUT it works because in JSF parameters are inherited. One way to.. element. Another way would be to use c if test # condtion BUT c if remove the elements from the JSF tree and that not what.. rendered most of IDE like Netbeans mark it as error BUT it works because in JSF parameters are inherited This is actually..
Abstract DAO pattern and Spring's “Proxy cannot be cast to …” problem! http://stackoverflow.com/questions/3852564/abstract-dao-pattern-and-springs-proxy-cannot-be-cast-to-problem manager transactionManager in my spring's XML file. BUT PersonDaoImpl implements OtherInterface s when testing running.. will make use of CGLIB instead of JDK's dynamic proxy. BUT it throws another exception when initializing Spring Caused..
How do you deal with maven-3 timestamped snapshots efficiently? http://stackoverflow.com/questions/4275466/how-do-you-deal-with-maven-3-timestamped-snapshots-efficiently machine A does contain snapshot.jar snapshot timestamp.jar BUT only one timestamped jar in nexus metadata reads xml version..
How do I find the process ID (pid) of a process started in java? [duplicate] http://stackoverflow.com/questions/5284139/how-do-i-find-the-process-id-pid-of-a-process-started-in-java Process.destroy which is like the deprecated Thread.stop . BUT How do I find the pid of the Process Object I don't see a method..
Best way to upload multiple files from a browser http://stackoverflow.com/questions/582126/best-way-to-upload-multiple-files-from-a-browser a real progress bar drag'n'drop files on the applet etc... BUT there are a few drawbacks it's a nightmare to get it to work..
How to change default class loader in Java? http://stackoverflow.com/questions/6366288/how-to-change-default-class-loader-in-java tell the parent class loader to find and define the class BUT set the Class's context class loader to your custom one java.. tell the parent class loader to find and define the class BUT set the Class's context class loader to your custom one No...
Sequence Diagram Reverse Engineering http://stackoverflow.com/questions/87137/sequence-diagram-reverse-engineering that will reverse engineer Java into a sequence diagram BUT also provides the ability to filter out calls to certain libraries...
Fastest way to iterate over all the chars in a String http://stackoverflow.com/questions/8894258/fastest-way-to-iterate-over-all-the-chars-in-a-string i ' ' doThrow return len charAt2 SAME AS ABOVE BUT USE String.length INSTEAD OF MAKING A FINAL LOCAL int FOR THE.. doThrow return data.length streamPara SAME AS ABOVE BUT OH LA LA GO PARALLEL avoid this at all costs int streamParallelMethod.. i if copy i ' ' doThrow return len new2 SAME AS ABOVE BUT USE FOR EACH int newMethod2 final String data for final char..
http://stackoverflow.com/questions/954443/eclipse-jfaces-wizards create my second page content BEFORE the wizard is opened BUT I can't since the second page's content depends on the first..
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