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java Programming Glossary: outWhy 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 static_cast double clock start CLOCKS_PER_SEC std cout elapsedTime std endl std cout sum sum std endl Without std sort.. start CLOCKS_PER_SEC std cout elapsedTime std endl std cout sum sum std endl Without std sort data data arraySize the code.. cout elapsedTime std endl std cout sum sum std endl Without std sort data data arraySize the code runs in 11.54 seconds...
Why is Java Vector class considered obsolete or deprecated? http://stackoverflow.com/questions/1386275/why-is-java-vector-class-considered-obsolete-or-deprecated objects and just want to use a thread safe collection without needing to make fresh copies of the underlying array as CopyOnWriteArrayList.. does then is it fine to use Vector What about Stack which is a subclass of Vector what should I use instead.. iterate over a Vector for instance you still need to take out a lock to avoid anyone else changing the collection at the same..
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 with other engineers there is always a long discussion about what they actually mean that only results in a vague conclusion... use the Debug API to get raw kernel level information about memory usage http developer.android.com intl de reference android.. to get this information about another process http developer.android.com intl de reference..
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 be either The name of a generic type declaration used without any accompanying actual type parameters. Any non static type.. parameters so they're not raw types. What's so special about raw types Essentially raw types behaves just like they were.. following for Object o names String name String o System.out.println name throws ClassCastException java.lang.Boolean cannot..
How do servlets work? Instantiation, session variables and multithreading http://stackoverflow.com/questions/3106452/how-do-servlets-work-instantiation-session-variables-and-multithreading until it has not been used for more than the session timeout time a setting you can specify in web.xml which defaults to.. the same browser instance and the session hasn't timed out at the server side yet. It's been shared among all requests..
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 there's a major parser that I've missed I'd love to hear about its pros and cons as well. Thanks java html parsing share.. using the W3C DOM and JAXP API. The only ones which jumps out are HtmlUnit and Jsoup . HtmlUnit HtmlUnit provides a completely.. and the names of all answerers I am using XPath since without it the code needed to gather the information of interest would..
Socket using in a swing applet http://stackoverflow.com/questions/3244400/socket-using-in-a-swing-applet JButton send new JButton Send private volatile PrintWriter out private Scanner in private Thread thread private Kind kind public.. f.getRootPane .setDefaultButton send f.add tf BorderLayout.NORTH f.add new JScrollPane ta BorderLayout.CENTER f.add send.. tf BorderLayout.NORTH f.add new JScrollPane ta BorderLayout.CENTER f.add send BorderLayout.SOUTH f.setLocation kind.offset..
Best XML parser for Java [closed] http://stackoverflow.com/questions/373833/best-xml-parser-for-java and attributes perhaps modify a few and write the XML back out again to disk preferably with nice indented formatting . What..
http://stackoverflow.com/questions/4112686/how-to-use-servlets-and-ajax Explorer versus others there are plenty of libraries out which simplifies this in single functions like jQuery Prototype.. and append it to the tr . See also Handling Servlet output in Ajax Calling Servlet from Javascript Populating child..
http://stackoverflow.com/questions/469695/decode-base64-data-in-java or guaranteed to continue existing and I do know about Commons and use it all the time. However the poster asked for.. is the best way to go in general. EDIT 2 As amir75 points out below Java 6 ships with JAXB which contains supported code to..
In Java, what is the best way to determine the size of an object? http://stackoverflow.com/questions/52353/in-java-what-is-the-best-way-to-determine-the-size-of-an-object translates into an object. Is there an easy way to find out the size of that object programmatically Is there a reference.. x private int y public static void main String args System.out.println ObjectSizeFetcher.getObjectSize new C Invoke with java..
Creating a custom button in Java with JButton http://stackoverflow.com/questions/5751311/creating-a-custom-button-in-java-with-jbutton to override to get it to fire events but I can't figure out what it is. java swing gui jbutton actionlistener share improve..
Java String.equals versus == [duplicate] http://stackoverflow.com/questions/767372/java-string-equals-versus String str tokens.nextToken datos i str i System.out.println usuario if datos 0 usuario System.out.println WORKING.. i System.out.println usuario if datos 0 usuario System.out.println WORKING java string share improve this question..
Java 256-bit AES Password-Based Encryption http://stackoverflow.com/questions/992019/java-256-bit-aes-password-based-encryption How can I create my own key I have tried padding it out to 256 bits but then I get an error saying that the key is too.. taken from here EDIT I was actually padding the password out to 256 bytes not bits which is too long. The following is some.. with this. byte key null TODO byte input null TODO byte output null SecretKeySpec keySpec null keySpec new SecretKeySpec..
When exactly is it leak safe to use (anonymous) inner classes? http://stackoverflow.com/questions/10864853/when-exactly-is-it-leak-safe-to-use-anonymous-inner-classes The reality is that many developers do not do this. Out of ease readability and logical program flow many developers..
How do I use GridBayLayout in Java (Swing) to generate this particular image in my frame? http://stackoverflow.com/questions/11165323/how-do-i-use-gridbaylayout-in-java-swing-to-generate-this-particular-image-in JMenuItem zInItem new JMenuItem Zoom In JMenuItem zOutItem new JMenuItem Zoom Out viewMenu.add zInItem viewMenu.add.. JMenuItem Zoom In JMenuItem zOutItem new JMenuItem Zoom Out viewMenu.add zInItem viewMenu.add zOutItem menuBar.add fileMenu.. new JMenuItem Zoom Out viewMenu.add zInItem viewMenu.add zOutItem menuBar.add fileMenu menuBar.add editMenu menuBar.add viewMenu..
http://stackoverflow.com/questions/1413190/hibernate-mapping-package hibernate annotations share improve this question Out of the box no. You can write your own code to detect register..
How can I set the priority mouse listener http://stackoverflow.com/questions/14273923/how-can-i-set-the-priority-mouse-listener use null Absolute LayoutManager . Have a look at Laying Out Components Within a Container . Dont call setSize on components..
Why GWT? Advantages and Trade-Offs of Using This RIA Framework http://stackoverflow.com/questions/2097964/why-gwt-advantages-and-trade-offs-of-using-this-ria-framework trying to do the same via Firebug or a similar tool OOPHM Out of Process Hosted Mode with this they fixed one of the biggest..
Can't get past 2542 Threads in Java on 4GB iMac OSX 10.6.3 Snow Leopard (32bit) http://stackoverflow.com/questions/2860889/cant-get-past-2542-threads-in-java-on-4gb-imac-osx-10-6-3-snow-leopard-32bit defaults and the following command lines I always get the Out of Memory Error at Thread 2542 no matter what the JVM options.. 100000 no matter what I pass it I get the same results Out of Memory Error at 2542 public class TestThreadStackSizes public.. t new Thread new SleeperThread i t.start catch final OutOfMemoryError e throw new RuntimeException String.format Out..
Eclipse memory settings when getting “Java Heap Space” and “Out of Memory” http://stackoverflow.com/questions/334102/eclipse-memory-settings-when-getting-java-heap-space-and-out-of-memory when getting &ldquo Java Heap Space&rdquo and &ldquo Out of Memory&rdquo When trying to launch and run a flex java project.. and run a flex java project in eclipse I kept getting a Out of Memory Exception and Java Heap Space using Eclipse Tomcat..
What's the meaning of System.out.println in Java? http://stackoverflow.com/questions/3406703/whats-the-meaning-of-system-out-println-in-java in were classes they would be named with capital character Out Err In due to the naming convention ignoring grammar . share..
Sparse matrices / arrays in Java http://stackoverflow.com/questions/390181/sparse-matrices-arrays-in-java the key range is in the billions in both dimensions . Out of the kajillion cells in the array there will be several hundred..
How to Ping External IP from Java Android http://stackoverflow.com/questions/3905358/how-to-ping-external-ip-from-java-android Ping 127.0.0.1 OK Ping 8.8.8.8 Google DNS Time Out I put the following line at Manifest XML too uses permission..
WebSockets production ready server in Java? http://stackoverflow.com/questions/4278456/websockets-production-ready-server-in-java DZone posting on it here JBoss Netty see patch here Webbit Out of these options I guess Jetty and Resin are the most mature..
How to load tiles from a large bitmap in Android? http://stackoverflow.com/questions/4753013/how-to-load-tiles-from-a-large-bitmap-in-android I have a large bitmap file that would normally generate an Out of memory exception how can I load it as tiles e.g. I have a..
http://stackoverflow.com/questions/5621338/how-to-add-jtable-in-jpanel information on using layout managers. See the Laying Out Components Within a Container lesson for further details. One..
The case against checked exceptions http://stackoverflow.com/questions/613954/the-case-against-checked-exceptions rules here to distinguish good checked exceptions from bad Out of clients control or Closed vs Open Checked exceptions should..
What makes hot deployment a “hard problem”? http://stackoverflow.com/questions/660437/what-makes-hot-deployment-a-hard-problem of the problem . Classloader leaks the dreaded java.lang.OutOfMemoryError PermGen space exception The Unknown Generation.. The Unknown Generation Perm Good Riddance PermGen OutOfMemoryError Presenting the Permanent Generation Understanding..
Is there a cookbook guide for GC problems? http://stackoverflow.com/questions/6871213/is-there-a-cookbook-guide-for-gc-problems Memory Leaks Detecting Hanging Looping VMs Analyzing Out of Memory Situations Sorry I don't know much about SAP but have..
SOAP - Very large XML response - OutOfMemoryError http://stackoverflow.com/questions/6926620/soap-very-large-xml-response-outofmemoryerror Very large XML response OutOfMemoryError First this question looks like Very large SOAP.. The data is more than 11MB in size and i have a java.lang.OutOfMemoryError everytime. Modifying the webservice to give out.. recovers some expected queries this error is made Out of memory on a 16705124 byte allocation. I tried to upgrade..
Exception occurred when flushing data . What is this and why am I getting this? http://stackoverflow.com/questions/12327857/exception-occurred-when-flushing-data-what-is-this-and-why-am-i-getting-this TWO STATEMENTS CAUSE AN EXCEPTION IF I COMMENT THEM OUT NO EXCEPTION IS THROWN BUT AN EXCEPTION IS THROWN IF I LEAVE..
How to call Oracle Function or Procedure using Hibernate 4 (EntityManager) or JPA 2 http://stackoverflow.com/questions/14335939/how-to-call-oracle-function-or-procedure-using-hibernate-4-entitymanager-or-jp Procedure Create procedure with sys_refcursor as first OUT parameter like the following CREATE OR REPLACE procedure myProcedure..
Converting Decimal to Binary Java http://stackoverflow.com/questions/14784630/converting-decimal-to-binary-java if number 1 System.out.print number return null KICK OUT OF THE RECURSION remainder number 2 binaryform number 1 System.out.print..
How to update the JTextField when the variable value is changed? http://stackoverflow.com/questions/15675884/how-to-update-the-jtextfield-when-the-variable-value-is-changed
Getting the Return Value from JDBC MSSQL http://stackoverflow.com/questions/1947754/getting-the-return-value-from-jdbc-mssql but this int is not the same as the Return Value. Also an OUT parameter is not the same as a return value. java stored procedures..
Java 2D Game: repaint(); makes window grey http://stackoverflow.com/questions/19620749/java-2d-game-repaint-makes-window-grey in the one by one in order they en queued FIRST IN FIRST OUT. That is if That is if Event A is enqueued to the EventQueue..
In Java, is there any disadvantage to static methods on a class? http://stackoverflow.com/questions/2472690/in-java-is-there-any-disadvantage-to-static-methods-on-a-class here was more in line of these little methods that HELP OUT the main class API. I might have 4 or 5 main API instance methods..
Can SHA-1 algorithm be computed on a stream? With low memory footprint? http://stackoverflow.com/questions/2495994/can-sha-1-algorithm-be-computed-on-a-stream-with-low-memory-footprint Boost software license THE SOFTWARE IS PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED.. WHETHER IN CONTRACT TORT OR OTHERWISE ARISING FROM OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS..
Hibernate Enum mapping using annotaions http://stackoverflow.com/questions/3396564/hibernate-enum-mapping-using-annotaions member. If I have the enum contstants NEW MAILED IN and OUT hibernate fails as inside EnumType it does a Enum.valueOf ... Enum like this public enum TeamMemberStatus NEW MAILED IN OUT is a valid Java enum but not matching the case of the database...
How to call oracle stored procedure which include user-defined type in java? http://stackoverflow.com/questions/3626061/how-to-call-oracle-stored-procedure-which-include-user-defined-type-in-java like procedure getInfo p_ids IN IDS_TABLE p_details OUT cursor Type IDS_TABLE is create or replace type IDS_TABLE as..
http://stackoverflow.com/questions/4844535/why-do-you-have-to-call-urlconnectiongetinputstream-to-be-able-to-write-out-to osw.flush MUST CALL THIS OTHERWISE WILL NOT WRITE OUT urlCon.getInputStream If getInputStream is called..
How to develop screen capture to video application http://stackoverflow.com/questions/6236119/how-to-develop-screen-capture-to-video-application CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE EVEN IF SUN HAS BEEN..
Spring JDBC Template for calling Stored Procedures http://stackoverflow.com/questions/9361538/spring-jdbc-template-for-calling-stored-procedures Say I have a stored procedure that declares both IN and OUT parameters something like this mypkg.doSomething id OUT int.. OUT parameters something like this mypkg.doSomething id OUT int name IN String date IN Date I have come across CallableStatementCreator.. approaches where we have to explicitly register IN and OUT parameters. Consider the following method in JdbcTemplate class..
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