java Programming Glossary: operation
Do you ever use the volatile keyword in Java? http://stackoverflow.com/questions/106591/do-you-ever-use-the-volatile-keyword-in-java to all readers other threads in particular after a write operation completes on it. Without volatile readers could see some non..
How to check if a String is a numeric type in Java http://stackoverflow.com/questions/1102891/how-to-check-if-a-string-is-a-numeric-type-in-java being thrown for each failure which is a fairly expensive operation. An alternative approach may be to use a regular expression..
Why is Java Vector class considered obsolete or deprecated? http://stackoverflow.com/questions/1386275/why-is-java-vector-class-considered-obsolete-or-deprecated this question Vector synchronizes on each individual operation. That's almost never what you want to do. Generally you want.. do. Generally you want to synchronize a whole sequence of operations. Synchronizing individual operations is both less safe if you.. a whole sequence of operations. Synchronizing individual operations is both less safe if you iterate over a Vector for instance..
Inner class can access but not update values - AsyncTask http://stackoverflow.com/questions/18517400/inner-class-can-access-but-not-update-values-asynctask new Decompress loc activity workThread.execute if unzip operation was successful display index Class Decompress class Decompress.. protected Boolean doInBackground Void... params unzip operation goes here. unzipDest something unzip destination is set here... something unzip destination is set here. if unzip operation is successful result true index url pointing to location of..
Why JSF calls getters multiple times http://stackoverflow.com/questions/2090033/why-jsf-calls-getters-multiple-times EL expression and invoking a getter method is a very cheap operation so you should generally not worry about this at all. However..
What is null in Java? http://stackoverflow.com/questions/2707322/what-is-null-in-java the map explicitly maps the key to null . The containsKey operation may be used to distinguish these two cases. Here we start to..
Java Generics: What is PECS? http://stackoverflow.com/questions/2723397/java-generics-what-is-pecs each element will behave as a Thing when you perform your operation. You actually cannot add anything to a Collection extends Thing..
When to choose checked and unchecked exceptions http://stackoverflow.com/questions/27578/when-to-choose-checked-and-unchecked-exceptions but some condition outside their control has caused the operation to fail. For example you try reading a file but someone deletes.. the time you check if it exists and the time the read operation begins. By declaring a checked exception you are telling the..
How slow are Java exceptions? http://stackoverflow.com/questions/299068/how-slow-are-java-exceptions equally fast to calculate as i 0xFFFFFFF it is both an AND operation between two integers. The size of the number plays no role...
Change private static final field using Java reflection http://stackoverflow.com/questions/3301635/change-private-static-final-field-using-java-reflection
How to find a Java Memory Leak http://stackoverflow.com/questions/40119/how-to-find-a-java-memory-leak is complete and the application is idle. Run the operation suspected of producing a memory leak several times to allow.. to take place. Run GC and take memory snapshot. Run the operation again. Depending on the complexity of operation and sizes of.. Run the operation again. Depending on the complexity of operation and sizes of data that is processed operation may need to be..
Best practices for exception management in Java or C# http://stackoverflow.com/questions/409563/best-practices-for-exception-management-in-java-or-c-sharp Hejlsberg and you that the most callers only care if operation is successful or not. From this comment it brings up some questions..
How to set HttpResponse timeout for Android in Java http://stackoverflow.com/questions/693997/how-to-set-httpresponse-timeout-for-android-in-java and the socket timeout java.net.SocketTimeoutException The operation timed out . HttpGet httpGet new HttpGet url HttpParams httpParameters..
How to find a button source in AWT (calculator homework) http://stackoverflow.com/questions/7441625/how-to-find-a-button-source-in-awt-calculator-homework It works by typing the 1st and 2nd value then choosing the operation it worked. But I made a mistake because what they want us to..
How do I accept a self-signed certificate with a Java HttpsURLConnection? http://stackoverflow.com/questions/859111/how-do-i-accept-a-self-signed-certificate-with-a-java-httpsurlconnection ever accessing this site are nil. It's also not a trivial operation on UNIX I have to obtain access rights to modify the JRE in..
Using a JFileChooser with Swing GUI classes and listeners http://stackoverflow.com/questions/15728619/using-a-jfilechooser-with-swing-gui-classes-and-listeners polygons frame.setJMenuBar menuBar frame.setDefaultCloseOperation JFrame.EXIT_ON_CLOSE frame.setContentPane new DrawingPanel frame.pack.. e JOptionPane.showMessageDialog this Error in File Operation Error in File Operation JOptionPane.INFORMATION_MESSAGE .. this Error in File Operation Error in File Operation JOptionPane.INFORMATION_MESSAGE The constructor DrawingPanel..
Calling JMX MBean method from a shell script http://stackoverflow.com/questions/1751130/calling-jmx-mbean-method-from-a-shell-script an MBean com.company.data type datasystem id 0 With an Operation called jmxForceRefresh Then you can write a simple bash script.. port 9003 #No User and password so pass ' ' echo Available Operations for com.company.data type datasystem id 0 java jar cmdLineJMXJar..
How to use AsyncTask http://stackoverflow.com/questions/18289623/how-to-use-asynctask return my aquired values In general you should do Network Operations in a Seperate Thread doInBackground since you do not want your.. since you do not want your UI to freeze when a Network Operation takes its time. So you should connect to your Service or .php..
Android Bluetooth - Can't connect out http://stackoverflow.com/questions/3072776/android-bluetooth-cant-connect-out discovery session as well as these java.io.IOException Operation Canceled java.io.IOException Software caused connection abort..
“Parallel.For” for Java? http://stackoverflow.com/questions/4010185/parallel-for-for-java public static T void For final Iterable T elements final Operation T operation try invokeAll blocks for us until all submitted.. Void createCallables final Iterable T elements final Operation T operation List Callable Void callables new LinkedList Callable.. return null return callables public static interface Operation T public void perform T pParameter Example Usage of Parallel.For..
HttpURLConnection POST, conn.getOutputStream() throwing Exception http://stackoverflow.com/questions/4816824/httpurlconnection-post-conn-getoutputstream-throwing-exception exception i get in both cases is java.net.SocketException Operation timed out connect could be due to invalid address function1..
garbage collection Operation http://stackoverflow.com/questions/483427/garbage-collection-operation collection Operation Can someone please explain me how garbage collection is working..
Getting java.sql.SQLException: Operation not allowed after ResultSet closed http://stackoverflow.com/questions/5840866/getting-java-sql-sqlexception-operation-not-allowed-after-resultset-closed java.sql.SQLException Operation not allowed after ResultSet closed When I execute the following..
|