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java Programming Glossary: duringWhat is the difference between JSF, Servlet and JSP? http://stackoverflow.com/questions/2095397/what-is-the-difference-between-jsf-servlet-and-jsp compile it into a class extending HttpServlet and use it during the webapp's lifetime. You can find the generated source code.. will create an instance of it and keep it in memory during webapp's lifetime. The same instance will be reused for every..
Setting multiple jars in java classpath http://stackoverflow.com/questions/219585/setting-multiple-jars-in-java-classpath the invocation of a program's main method rather than late during the class loading process itself. Each element of the input..
Efficient equivalent for removing elements while iterating the Collection http://stackoverflow.com/questions/223918/efficient-equivalent-for-removing-elements-while-iterating-the-collection is the only safe way to modify a collection during iteration the behavior is unspecified if the underlying collection..
Placing component on Glass Pane http://stackoverflow.com/questions/2561690/placing-component-on-glass-pane effects. I want to have this JLabel follow the cursor during the drag of the item from one container to another. I figured..
What is a serialVersionUID and why should I use it? http://stackoverflow.com/questions/285793/what-is-a-serialversionuid-and-why-should-i-use-it a version number called a serialVersionUID which is used during deserialization to verify that the sender and receiver of a.. and can thus result in unexpected InvalidClassExceptions during deserialization. Therefore to guarantee a consistent serialVersionUID..
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 CPU from going off if the user presses the power button during download PowerManager pm PowerManager context.getSystemService..
JSTL in JSF2 Facelets… makes sense? http://stackoverflow.com/questions/3342984/jstl-in-jsf2-facelets-makes-sense question JSTL tags are taghandlers and they are executed during view build time while JSF UI components are executed during.. view build time while JSF UI components are executed during view render time . Note that JSF's own f xxx and ui xxx tags.. and binding attributes of JSF UI components are evaluated during view build time. Thus the below answer applies to them as well...
Switch Statement with Strings in Java http://stackoverflow.com/questions/338206/switch-statement-with-strings-in-java A switch with String cases is translated into two switches during compilation. The first maps each string to a unique integer&mdash..
Design Patterns web based applications http://stackoverflow.com/questions/3541077/design-patterns-web-based-applications the work based on the arguments which are been passed in during the creation of the implementation . public interface Action..
How do I write a correct micro-benchmark in Java? http://stackoverflow.com/questions/504103/how-do-i-write-a-correct-micro-benchmark-in-java and other parts of the JVM are not doing unexpected work during your timing phase. Rule 2.1 Print messages at the beginning.. so you can verify that there is no output from Rule 2 during the timing phase. Rule 3 Be aware of the difference between.. of initialization effects. Do not print for the first time during your timing phase since printing loads and initializes classes...
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 components do however have a significant overhead during building restoring of the view. Do not abuse them if you merely..
How to reference components in JSF ajax? Cannot find component with identifier “foo” in view http://stackoverflow.com/questions/8634156/how-to-reference-components-in-jsf-ajax-cannot-find-component-with-identifier you aren't using h form prependId false . This will fail during processing the ajax submit and render. See also this related..
Why is char[] preferred over String for passwords? http://stackoverflow.com/questions/8881291/why-is-char-preferred-over-string-for-passwords this sort of thing. Even if it does there's still the time during which the char contains the actual characters as an attack window...
java.sql.SQLException: - ORA-01000: maximum open cursors exceeded http://stackoverflow.com/questions/12192592/java-sql-sqlexception-ora-01000-maximum-open-cursors-exceeded available for helping detect and eliminating JDBC leaks During development catching bugs early is by far the best approach.. Quest's TOAD . Monitoring is described in this article . During monitoring you query the open cursors eg from table v sesstat..
Java: Text to Speech engines overview http://stackoverflow.com/questions/143390/java-text-to-speech-engines-overview I'm now in a search for Java Text to Speech TTS framework. During my investigations I've found several JSAPI1.0 partially compatible..
Android Studio installation on Windows 7 fails, no JDK found http://stackoverflow.com/questions/16574189/android-studio-installation-on-windows-7-fails-no-jdk-found This is running on Windows 7 64 bit with Java 1.7. During the installation my Java 1.7 is detected and the rest of the..
Creating a bundle jar with ant http://stackoverflow.com/questions/1821803/creating-a-bundle-jar-with-ant contains external dependencies in the form on JAR files. During the build I create a bundled jar that contains the project's..
http://stackoverflow.com/questions/1847040/open-session-in-view-pattern of some parent entities orders in tis case . N 1 Selects During development there will be N 1 selects as a result of initializing..
The most sophisticated way for creating comma-separated Strings from a Collection/Array/List? http://stackoverflow.com/questions/205555/the-most-sophisticated-way-for-creating-comma-separated-strings-from-a-collectio comma separated Strings from a Collection Array List During my work with databases I noticed that I write query strings..
Converting Hibernate proxy to real object http://stackoverflow.com/questions/2216547/converting-hibernate-proxy-to-real-object Hibernate proxy to real object During Hibernate session I am loading some objects and some of them..
java.lang.RuntimeException: Uncompilable source code - what can cause this? http://stackoverflow.com/questions/2333285/java-lang-runtimeexception-uncompilable-source-code-what-can-cause-this run the code even if certain classes are not compilable. During the application's runtime if you access this class it would..
How to upload files to server using JSP/Servlet? http://stackoverflow.com/questions/2422468/how-to-upload-files-to-server-using-jsp-servlet data to the form then request.getParameter returns null . During research I stumbled upon Apache Common FileUpload . I tried..
Why static fields are not initialized in time? http://stackoverflow.com/questions/2547713/why-static-fields-are-not-initialized-in-time of the first static the rest are null or default values. During the initiation of the second static the first static is correct..
Is it bad practice to use Reflection in Unit testing? http://stackoverflow.com/questions/2811141/is-it-bad-practice-to-use-reflection-in-unit-testing it bad practice to use Reflection in Unit testing During the last years I always thought that in Java Reflection is widely..
Deserializing an abstract class in Gson http://stackoverflow.com/questions/3629596/deserializing-an-abstract-class-in-gson which has several concrete class implementations. During the deserialization process how can I communicate to Gson which..
Where I can find a detailed comparison of Java XML frameworks? http://stackoverflow.com/questions/3855324/where-i-can-find-a-detailed-comparison-of-java-xml-frameworks And this is where I suggest you to have a look at vtd xml During the initial days of SAX and DOM people wanted simpler API's..
Hibernate batch size confusion http://stackoverflow.com/questions/6687422/hibernate-batch-size-confusion to be issued to the DB during flushing i.e session.flush . During flushing if hibernate.jdbc.batch_size is set to some non zero.. records and your hibernate.jdbc.batch_size is set to 50. During flushing instead of issue the following SQL 100 times insert..
Has JUnit4 begun supporting ordering of test? Is it intentional? http://stackoverflow.com/questions/7845929/has-junit4-begun-supporting-ordering-of-test-is-it-intentional browsing through the test code base at my new employer. During execution I fund that CreateNewProfile tests are executed first..
How do I detect which kind of JRE is installed — 32bit vs. 64bit http://stackoverflow.com/questions/807263/how-do-i-detect-which-kind-of-jre-is-installed-32bit-vs-64bit which kind of JRE is installed &mdash 32bit vs. 64bit During installation with an NSIS installer I need to check which JRE..
ClassCastException when casting to the same class http://stackoverflow.com/questions/826319/classcastexception-when-casting-to-the-same-class the session. portletRequest.setAttribute DynamicBean2 bean During the lifecycle of the Form project I call validator.validate..
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