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java Programming Glossary: failHow 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 this function a lot and you expect many of the checks to fail due to not being a number then performance of this mechanism.. since you're relying upon exceptions being thrown for each failure which is a fairly expensive operation. An alternative approach.. Be careful with the above RegEx mechanism though as it'll fail if your using non latin i.e. 0 to 9 digits. For example arabic..
Why 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 this question You are the victim of branch prediction fail. What is Branch Prediction Consider a railroad junction Image..
? ǹ ? ñ á¹?? á¹?á¹?á¹?? ɲ ? á¶?ɳ ȵ --> n or Remove diacritical marks from Unicode chars http://stackoverflow.com/questions/1453171/n-n-n-or-remove-diacritical-marks-from-unicode-cha as you specified stripDiacritics Björn Bjorn but it will fail on for example Bialystok because the l character is not diacritic...
How to Find Default Charset/Encoding in Java? http://stackoverflow.com/questions/1749064/how-to-find-default-charset-encoding-in-java any insights on this issue We were able to reproduce one fail case. It's kind of user error but it may still expose the root..
How should I validate an e-mail address on Android? http://stackoverflow.com/questions/1819142/how-should-i-validate-an-e-mail-address-on-android e mails addresses that conform to RFC 2822 and will still fail on things like user@gmail.com.nospam as will org.apache.commons.validator.routines.EmailValidator..
What's the issue with creating a generic array? [duplicate] http://stackoverflow.com/questions/18581002/whats-the-issue-with-creating-a-generic-array String 10 arr 0 new Integer 10 will compile fine but will fail at runtime as a result of ArrayStoreCheck. With generics this.. of Integer . The above code will compile fine but will fail at runtime. That is why generic array creation is forbidden... array of unknown component type. That means the cast may fail at runtime. For e.g if you have that code in the above method..
What is the point of the class Option[T]? http://stackoverflow.com/questions/2079170/what-is-the-point-of-the-class-optiont the call made to display on first line of main is bound to fail with NPE . Similarly if getPerson2 returns None the display.. if getPerson2 returns None the display call will again fail with some similar error. If so then why does Scala complicate..
http://stackoverflow.com/questions/2707322/what-is-null-in-java like Java it's good to use it because you will fail fast on programmer errors. Some people avoid null by using Null..
Avoiding “!= null” statements in Java? http://stackoverflow.com/questions/271526/avoiding-null-statements-in-java is easy. Either use assert statements assertions or allow failure for example NullPointerException . Assertions are a highly.. assertions in this case is OK because the code will just fail which is what will happen if you use assertions. The only difference..
When to choose checked and unchecked exceptions http://stackoverflow.com/questions/27578/when-to-choose-checked-and-unchecked-exceptions you understand when they should be used. The Java core API fails to follow these rules for IOException and SQLException which.. outside their control has caused the operation to fail. For example you try reading a file but someone deletes it between.. exception you are telling the caller to anticipate this failure. Reasonable to handle There is no point telling callers to..
How can we match a^n b^n with Java regex? http://stackoverflow.com/questions/3644266/how-can-we-match-an-bn-with-java-regex enough b to capture into group 1 then the assertion simply fails So group 1 which is now b will have to be rewritten to something.. an empty string so a self reference attempt will always fail. There are many ways around this but for now let's just make.. terminates when there are no more a or if the assertion failed because there isn't a corresponding b for an a . To finish..
http://stackoverflow.com/questions/380813/downcasting-in-java succeed Object o new Object String s String o this will fail at runtime because o doesn't reference a String In others it..
Any reason to prefer getClass() over instanceof when generating .equals()? http://stackoverflow.com/questions/596462/any-reason-to-prefer-getclass-over-instanceof-when-generating-equals null check. It is redundant since null objects will always fail instanceof . Is there any reason that's a bad idea java eclipse..
ClassCastException when casting to the same class http://stackoverflow.com/questions/826319/classcastexception-when-casting-to-the-same-class When I try to cast this object back into a DynamicBean2 it fails with a ClassCastException. When I pull the object back out.. different Class objects inside the JVM and the cast will fail. There is an article about classloading in WebSphere . I cannot..
How to Re-run failed JUnit tests immediately? http://stackoverflow.com/questions/8295100/how-to-re-run-failed-junit-tests-immediately to Re run failed JUnit tests immediately Is there a way to have an JUnit Rule.. have an JUnit Rule or something similar that gives every failing test a second chance just by trying to run it once again... some tests 1 out of 100 and always a different one can fail because the server sometimes responds a bit slower. But I can..
How returns XxxSize from JComponent(s) added to the JLabel http://stackoverflow.com/questions/8575641/how-returns-xxxsize-from-jcomponents-added-to-the-jlabel catch Exception fail UIManager.getLookAndFeelDefaults .put nimbusFocus Color.RED..
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 if you aren't using h form prependId false . This will fail during processing the ajax submit and render. See also this..
http://stackoverflow.com/questions/2016017/unbounded-wildcards-in-java
GWT Clone a widget using DOM.clone http://stackoverflow.com/questions/2025061/gwt-clone-a-widget-using-dom-clone buttonClone buttonClone new Button buttonCloneElement FAIL No such constructor buttonClone.setElement buttonCloneElement.. such constructor buttonClone.setElement buttonCloneElement FAIL No such setter method This may work but looks messy to me buttonClone.getElement..
Java - JDBC alternatives [closed] http://stackoverflow.com/questions/2397016/java-jdbc-alternatives and had too much overhead understand poor performance . FAIL EJB 2.0 CMP tried to reduce some of the complexity of Entity.. spec and the deployment descriptor were thus proprietary . FAIL Then came JDO which is a datastore agnostic standard for object.. standard itself is not dead I consider it as a failure. FAIL And indeed despite the existence of two standards proprietary..
Is there a a C-like way to get item number from enum in java? http://stackoverflow.com/questions/2765687/is-there-a-a-c-like-way-to-get-item-number-from-enum-in-java basic question Having an enum public enum TK ID GROUP DATA FAIL Can I get the order number for example ID 0 GROUP 2 DATA 3.. Can I get the order number for example ID 0 GROUP 2 DATA 3 FAIL 4 This is a way to to that but a weird and long one S public.. a weird and long one S public enum TK ID 0 GROUP 1 DATA 2 FAIL 3 int num TK int n this.num n public int get return num ..
CellTable with custom Header containing SearchBox and Focus Problem http://stackoverflow.com/questions/6422896/celltable-with-custom-header-containing-searchbox-and-focus-problem might have key or mouse events will trigger a column sort. FAIL. Again i could not find a way to overload the columnsort events..
Fullscreen feature for Java Apps on OSX Lion http://stackoverflow.com/questions/6873568/fullscreen-feature-for-java-apps-on-osx-lion
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