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java Programming Glossary: indicateshttp://stackoverflow.com/questions/13011392/jsf-service-layer direct imports of javax.faces. in the service layer code indicates bad design. You should keep the particular code lines in the..
Is there any way to accept only numeric values in a JTextField? http://stackoverflow.com/questions/1313390/is-there-any-way-to-accept-only-numeric-values-in-a-jtextfield if you suddenly add remove an icon the feedback only indicates that the input is valid invalid. There is nothing that indicates.. that the input is valid invalid. There is nothing that indicates what the expected format is. A possible solution is to use a..
I'm getting 'Duplicate id error' after adding 'binding' attribute http://stackoverflow.com/questions/2101755/im-getting-duplicate-id-error-after-adding-binding-attribute exclusively by the component in question. This exception indicates that this binding is been shared by multiple components. Fix..
Javax.swing timer repeats fine, but ActionListener doesn't do anything http://stackoverflow.com/questions/2123841/javax-swing-timer-repeats-fine-but-actionlistener-doesnt-do-anything to be using mutable statics. This is a really bad idea and indicates and causes confusion. In this particular case one of the problems..
JDBC MySql Connection Pooling practices http://stackoverflow.com/questions/2313197/jdbc-mysql-connection-pooling-practices pooling share improve this question The exception indicates a typical case of application code which leaks database connections...
Catching java.lang.OutOfMemoryError? http://stackoverflow.com/questions/2679330/catching-java-lang-outofmemoryerror says An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try..
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 writer.append CRLF .flush CRLF is important It indicates end of binary boundary. End of multipart form data. writer.append..
http://stackoverflow.com/questions/299068/how-slow-are-java-exceptions using Java 1.6.0_07 Java HotSpot 10.0 on 32 bit Linux indicates that exception handling is no slower than regular code. I tried..
Why does Java's hashCode() in String use 31 as a multiplier? http://stackoverflow.com/questions/299304/why-does-javas-hashcode-in-string-use-31-as-a-multiplier of the string n is the length of the string and ^ indicates exponentiation. Why is 31 used as a multiplier I understand..
Multiple wildcards on a generic methods makes Java compiler (and me!) very confused http://stackoverflow.com/questions/3546745/multiple-wildcards-on-a-generic-methods-makes-java-compiler-and-me-very-confu wildcards what do they really mean Further investigation indicates that perhaps multiple wildcards has nothing to do with the problem.. errors share improve this question As Appendix B indicates this has nothing to do with multiple wildcards but rather misunderstanding..
Virtual Memory Usage from Java under Linux, too much memory used http://stackoverflow.com/questions/561245/virtual-memory-usage-from-java-under-linux-too-much-memory-used SWAP isn't turned on by default and isn't shown here. It indicates the amount of virtual memory that is currently resident on disk.. the segment. This last item is either a file or anon which indicates a block of memory allocated via mmap . Starting from the top..
The case against checked exceptions http://stackoverflow.com/questions/613954/the-case-against-checked-exceptions of why. For the it makes it hard to refactor crowd that indicates that the proper level of abstraction wasn't chosen. Rather than.. ... else file not found ... where fopen indicates failure by returning 0 and C foolishly lets you treat 0 as a..
Solving a “communications link failure” with jdbc and mysql http://stackoverflow.com/questions/6865538/solving-a-communications-link-failure-with-jdbc-and-mysql max_allowed_packet is a variable in MySQL config file that indicates the maximum packet size not the maximum number of packets. So..
Easiest way to merge a release into one JAR file http://stackoverflow.com/questions/81260/easiest-way-to-merge-a-release-into-one-jar-file rst.jar As far as I can tell it has no dependencies which indicates that it shouldn't be an easy single file tool but the downloaded..
Java Garbage Collection Log messages http://stackoverflow.com/questions/895444/java-garbage-collection-log-messages machine. The last item on the line e.g. 0.2300771 secs indicates the time taken to perform the collection in this case approximately..
Seeking clarification on apparent contradictions regarding weakly typed languages http://stackoverflow.com/questions/9929585/seeking-clarification-on-apparent-contradictions-regarding-weakly-typed-language strongly typed several of which are contradictory. This indicates that the odds of confusion being created are high in any conversation..
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