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java Programming Glossary: explainsDo you ever use the volatile keyword in Java? http://stackoverflow.com/questions/106591/do-you-ever-use-the-volatile-keyword-in-java Managing volatility Given the detail in which that article explains the keyword in question do you ever use it or could you ever..
What's Alternative to Singleton http://stackoverflow.com/questions/1300655/whats-alternative-to-singleton Where have all the Singletons Gone The last article explains in detail how to move the creation of new objects into a factory..
How to upload and store an image with google app engine (java) http://stackoverflow.com/questions/1513603/how-to-upload-and-store-an-image-with-google-app-engine-java link your provided How do I handle file uploads to my app explains how you can upload the image. To host the images you need to..
Java HTTPS client certificate authentication http://stackoverflow.com/questions/1666052/java-https-client-certificate-authentication for client certificate authentication actually works also explains why we need the client's private key here . The client's truststore..
Problem building executable jar with maven http://stackoverflow.com/questions/1814526/problem-building-executable-jar-with-maven answer refers to the version preceding the edit and this explains at least partially why you run into troubles. It generates two..
How can I convert a JAR file to an EXE file? http://stackoverflow.com/questions/2272107/how-can-i-convert-a-jar-file-to-an-exe-file this question The first google hit Java to Exe . It also explains what valid reasons are to do this and when you should not. You..
How to properly override clone method? http://stackoverflow.com/questions/2326758/how-to-properly-override-clone-method seems reasonable but you can also add a comment that explains why the catch block will never be entered in this particular..
Varying behavior for possible loss of precision http://stackoverflow.com/questions/2696812/varying-behavior-for-possible-loss-of-precision it is equivalent to short x 3 x short x 4.6 This also explains why the following code compiles byte b 1 int x 5 b x compiles..
http://stackoverflow.com/questions/2974561/new-integer-vs-valueof of the Java Language Specification section 5.1.7 which explains the requirements for boxing usually implemented in terms of..
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 list.size 0 catch Exception e return false Method's name explains it all. Once you are sure DownloadManager is available you can..
Why does the JVM still not support tail-call optimization? http://stackoverflow.com/questions/3616483/why-does-the-jvm-still-not-support-tail-call-optimization Java Code Improving the Performance of Your Java Code explains why the JVM does not support tail call optimization. But although..
proper hibernate annotation for byte[] http://stackoverflow.com/questions/3677380/proper-hibernate-annotation-for-byte on JDBC is also for bytea from past experience . So this explains why use streams has no affect they both assume 'bytea'. public..
How to run test methods in specific order in JUnit4? http://stackoverflow.com/questions/3693626/how-to-run-test-methods-in-specific-order-in-junit4 that methods depends on groups of methods . Cedric Beust explains how to do this in order of execution of tests in testng . share..
http://stackoverflow.com/questions/4081858/about-java-cloneable the views of Josh Bloch about cloning with Cloneable which explains the many drawbacks of the approach. share improve this answer..
http://stackoverflow.com/questions/4114742/simple-calculator-in-jsp head please scroll to the right to see code comments which explains what every single line does script src http code.jquery.com..
How to read PDF files using java [closed] http://stackoverflow.com/questions/4784825/how-to-read-pdf-files-using-java basic text extraction. Examples are provided here . It explains it on the page but one thing to watch out for is that the start..
http://stackoverflow.com/questions/6916693/jmenuitem-imageicon-too-big best Also getScaledInstance is generally a bad idea. This explains why and gives better options for resizing the image. If you're..
http://stackoverflow.com/questions/7218309/smoothing-a-jagged-path readable recent includes a summary of previous work and explains their approach in detail. See also slides covering similar background..
Differences betweeen Exception and Error http://stackoverflow.com/questions/912334/differences-betweeen-exception-and-error the bread and butter of exception handling. The Javadoc explains it well An Error is a subclass of Throwable that indicates serious..
Why does Math.round(0.49999999999999994) return 1 http://stackoverflow.com/questions/9902968/why-does-math-round0-49999999999999994-return-1 answer it's a known bug so this almost certainly explains the difference in the docs and the observed behaviour between..
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