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java Programming Glossary: makeWhy is Java Vector class considered obsolete or deprecated? http://stackoverflow.com/questions/1386275/why-is-java-vector-class-considered-obsolete-or-deprecated want to use a thread safe collection without needing to make fresh copies of the underlying array as CopyOnWriteArrayList..
How to upload files to server using JSP/Servlet? http://stackoverflow.com/questions/2422468/how-to-upload-files-to-server-using-jsp-servlet If you're not on Servlet 3.0 yet the common practice is to make use of Apache Commons FileUpload to parse the multpart form..
Overriding equals and hashCode in Java http://stackoverflow.com/questions/27581/overriding-equals-and-hashcode-in-java as HashSet LinkedHashSet HashMap Hashtable or WeakHashMap make sure that the hashCode of the key objects that you put into.. the collection. The bulletproof way to ensure this is to make your keys immutable which has also other benefits . share improve..
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 content length is really not known beforehand then you can make use of chunked streaming mode by setting the HttpURLConnection#setChunkedStreamingMode..
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 String result mProgressDialog.dismiss if result null Toast.makeText context Download error result Toast.LENGTH_LONG .show else.. Download error result Toast.LENGTH_LONG .show else Toast.makeText context File downloaded Toast.LENGTH_SHORT .show For this.. break case Groundy.STATUS_FINISHED Toast.makeText DownloadExample.this R.string.file_downloaded Toast.LENGTH_LONG..
How do servlets work? Instantiation, session variables and multithreading http://stackoverflow.com/questions/3106452/how-do-servlets-work-instantiation-session-variables-and-multithreading multithreaded and different threads read HTTP requests can make use of the same instance. It would otherwise have been too expensive..
How to avoid Java Code in JSP-Files? http://stackoverflow.com/questions/3177733/how-to-avoid-java-code-in-jsp-files you can't reuse scriptlets. Replaceability you can't make scriptlets abstract. OO ability you can't make use of inheritance.. you can't make scriptlets abstract. OO ability you can't make use of inheritance composition. Debuggability if scriptlet throws.. tag libraries provide equivalent functionality. This makes pages easier to read and maintain helps to separate business..
JSTL in JSF2 Facelets… makes sense? http://stackoverflow.com/questions/3342984/jstl-in-jsf2-facelets-makes-sense in JSF2 Facelets&hellip makes sense I would like to output a bit of Facelets code conditionally... JSF JSF render phase why is my code being executed How to make composite component similar to h selectOneRadio JSF 2 Composite..
Design Patterns web based applications http://stackoverflow.com/questions/3541077/design-patterns-web-based-applications should be distributed among Servlets criteria to make new Servlet etc. Actually I have few entities on my home page.. response throws Exception You may want to make the Exception more specific with a custom exception like ActionException..
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 choose New Server . Pick the appropriate servletcontainer make and version and walk through the wizard. Create new dynamic.. when it's deployed to a servletcontainer of a different make version than where those libraries are originally obtained from...
http://stackoverflow.com/questions/4112686/how-to-use-servlets-and-ajax on the response data. Since it's pretty a tedious work to make it to work across all browsers especially Internet Explorer..
Java GUI listeners without AWT http://stackoverflow.com/questions/6255106/java-gui-listeners-without-awt mouse and keyboard listeners. Why is AWT outdated How to make a program without AWT adding listeners to JComponents etc what..
How to choose the right bean scope? http://stackoverflow.com/questions/7031885/how-to-choose-the-right-bean-scope scoped bean for session view request scoped data would make it to be shared among all users so anyone else can see each.. a session scoped bean for view request scoped data would make it to be shared among all tabs windows in a single browser session.. Abusing a request scoped bean for view scoped data would make view scoped data to be reinitialized to default on every single..
How to properly stop the Thread in Java http://stackoverflow.com/questions/10961714/how-to-properly-stop-the-thread-in-java and call join on the thread and wait for it to finish. Make sure that the flag is thread safe by using a volatile variable..
JComponents not showing up with picture background? http://stackoverflow.com/questions/11369171/jcomponents-not-showing-up-with-picture-background Unable to fetch image. ioe.printStackTrace Make this one customary habbit of overriding this method when you..
Natural sort order string comparison in Java - is one built in? http://stackoverflow.com/questions/1262239/natural-sort-order-string-comparison-in-java-is-one-built-in implementations. Here's one NaturalOrderComparator.java Make sure you read the Cougaar Open Source License I hope this helps..
Byte order mark screws up file reading in Java http://stackoverflow.com/questions/1835430/byte-order-mark-screws-up-file-reading-in-java int length bytes.length final byte result new byte length Make a defensive copy System.arraycopy bytes 0 result 0 length return..
Populating child dropdownlists in JSP/Servlet http://stackoverflow.com/questions/2263996/populating-child-dropdownlists-in-jsp-servlet JS objects. The HTML page would grow over 1MB in length. Make use of XMLHttpRequest in Javascript to fire an asynchronous..
Simple popup java form with at least two fields http://stackoverflow.com/questions/3002787/simple-popup-java-form-with-at-least-two-fields than on the number of components shown. See also How to Make Dialogs . Addendum As noted in a comment by @camickr you can..
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 check whether user has an internet connection available Make sure you have the right permissions INTERNET and WRITE_EXTERNAL_STORAGE.. if you want to check internet availability. Make sure the directory were you are going to download files exist..
Why does int num = Integer.getInteger(“123”) throw NullPointerException? http://stackoverflow.com/questions/3123349/why-does-int-num-integer-getinteger123-throw-nullpointerexception Some have innocuous sounding names If your code misbehaves Make sure you're calling the right methods Read the library documentation..
http://stackoverflow.com/questions/3158730/java-3-dots-in-parameters in this way is always an array even if there's just one. Make sure you treat it that way in the method body. Important Note..
How to create dynamic JSF 1.2 form fields http://stackoverflow.com/questions/3510614/how-to-create-dynamic-jsf-1-2-form-fields see basically three options when the origin is a Javabean. Make use of the rendered attribute. h dataTable value # bean.fields..
How can I protect MySQL username and password from decompiling? http://stackoverflow.com/questions/442862/how-can-i-protect-mysql-username-and-password-from-decompiling Note The preference files are just plain text XML files. Make sure you take appropriate steps to prevent unauthorized users..
Can a progress bar be used in a class outside main? http://stackoverflow.com/questions/4637215/can-a-progress-bar-be-used-in-a-class-outside-main X Y width height progressBar.setBounds 10 10 280 20 Make frame visible progressFrame.setResizable false No resize progressFrame.setVisible..
Cannot Make Static Reference to Non-Static Method http://stackoverflow.com/questions/4969171/cannot-make-static-reference-to-non-static-method Make Static Reference to Non Static Method Building a multi language..
Setting the maximum size of a JDialog? http://stackoverflow.com/questions/5759131/setting-the-maximum-size-of-a-jdialog about java swing jdialog share improve this question Make the panel imlement Scrollable is the way to go. See also in..
Solving a “communications link failure” with jdbc and mysql http://stackoverflow.com/questions/6865538/solving-a-communications-link-failure-with-jdbc-and-mysql number check Operating System proxy settings Make sure the Fire wall or Anti virus soft wares don't block MySQL.. dbPassword useUnicode true characterEncoding UTF 8 Make sure you don't have spaces in your string. All the connection..
Programatically Hide/Show Android Soft Keyboard [duplicate] http://stackoverflow.com/questions/7200281/programatically-hide-show-android-soft-keyboard beforeDescendants LinearLayout EDIT To Make keyboard appear on startup This is to make they Keyboard appear..
Java: How to read and write xml files? http://stackoverflow.com/questions/7373567/java-how-to-read-and-write-xml-files readXML String xml rolev new ArrayList String Document dom Make an instance of the DocumentBuilderFactory DocumentBuilderFactory..
ClassCastException when casting to the same class http://stackoverflow.com/questions/826319/classcastexception-when-casting-to-the-same-class your case. Thread.currentThread .setContextClassloader ... Make sure the class is loaded by a class loader higher in the hierarchy...
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