java Programming Glossary: really
Why JSF calls getters multiple times http://stackoverflow.com/questions/2090033/why-jsf-calls-getters-multiple-times which uses proxies such as CDI. If there are for you really no other ways due to some restrictive design requirements then.. return it. public SomeObject getSomeProperty If there are really no other ways introduce lazy loading. if someProperty null ..
What is a Null Pointer Exception? http://stackoverflow.com/questions/218384/what-is-a-null-pointer-exception you declare a reference variable i.e. an object you are really creating a pointer to an object. Consider the following code..
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 multiple processes. So how much memory a processes uses is really not clear. Add on top of that paging out to disk let alone swap.. I believe procrank may be the more accurate one... but really this just leave the point take any memory info you get with..
getResourceAsStream() vs FileInputStream http://stackoverflow.com/questions/2308188/getresourceasstream-vs-fileinputstream is in no way programmatically controllable. You should really prefer using absolute paths in the File API instead of relative..
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 contentLength But if the content length is really not known beforehand then you can make use of chunked streaming..
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 you are doing something like that in your app it could be really useful. 3. Use DownloadManager class GingerBread and newer only..
JSTL in JSF2 Facelets… makes sense? http://stackoverflow.com/questions/3342984/jstl-in-jsf2-facelets-makes-sense real world examples where JSTL tags are helpful i.e. when really properly used during building the view see the following questions..
Why not use Double or Float to represent currency? http://stackoverflow.com/questions/3730019/why-not-use-double-or-float-to-represent-currency as exact fractions of a power of ten. For instance 10.45 really is 1045 10^2 . And just as some fractions can't be represented..
Best XML parser for Java [closed] http://stackoverflow.com/questions/373833/best-xml-parser-for-java question If speed and memory is no problem dom4j is a really good option. If you need speed using a StAX parser like Woodstox..
Migrating from JSF 1.2 to JSF 2.0 http://stackoverflow.com/questions/4441713/migrating-from-jsf-1-2-to-jsf-2-0 want to gradually upgrade from JSP to Facelets then you really have to change it to .jsf and possibly also all links in the..
How to: generic array creation http://stackoverflow.com/questions/529085/how-to-generic-array-creation clazz capacity private final T array But I really don't get what's going on. Can anyone help java arrays generics..
“implements Runnable” vs. “extends Thread” http://stackoverflow.com/questions/541487/implements-runnable-vs-extends-thread Runnable is the preferred way to do it IMO. You're not really specialising the thread's behaviour. You're just giving it something..
Calling awt Frame methods from subclass http://stackoverflow.com/questions/5665156/calling-awt-frame-methods-from-subclass . This questions sounds pretty convoluted but its really not. I'll try keep this to a simple minimum. I'm creating a..
How to choose the right bean scope? http://stackoverflow.com/questions/7031885/how-to-choose-the-right-bean-scope not be chosen based on performance implications unless you really have a low memory footprint and want to go completely stateless..
Should I avoid the use of set(Preferred|Maximum|Minimum)Size methods in Java Swing? http://stackoverflow.com/questions/7229226/should-i-avoid-the-use-of-setpreferredmaximumminimumsize-methods-in-java-swi can exactly satisfy all desired layout needs. Do I really need to implement a new LayoutManager for every little variation.. can exactly satisfy all desired layout needs. Do I really need to implement a new LayoutManager for every little variation.. of the Big Three can can't even GridBag never bothered to really master too much trouble for too little power share improve..
Which loop has better performance? Why? http://stackoverflow.com/questions/110083/which-loop-has-better-performance-why reuse the same slot making the stack frame smaller. What Really Matters However most of these issues are immaterial. A good..
Use of '? extends ' and '? super ' in Collection generics [duplicate] http://stackoverflow.com/questions/12604477/use-of-extends-and-super-in-collection-generics obj integers.get 0 OR Object obj integers.remove 0 What's Really Happening Here's what's actually happening. When you specify..
Quality of Image after resize very low — Java http://stackoverflow.com/questions/14115950/quality-of-image-after-resize-very-low-java destImg catch IOException ex return false return true Really just need to know if their is something I can plug in that will..
String parsing in Java with delimeter tab “\t” using split http://stackoverflow.com/questions/1635764/string-parsing-in-java-with-delimeter-tab-t-using-split how many occurrences you have of a tab but how would you Really know that Try using the Scanner or StringTokenizer and just..
clear screen option in java http://stackoverflow.com/questions/1682212/clear-screen-option-in-java that I've seen used I would never do this myself. I swear. Really. is to write a bunch of newlines to the console. This doesn't..
Choosing a Java Web Framework now? [closed] http://stackoverflow.com/questions/2084169/choosing-a-java-web-framework-now Kick Ass Web Frameworks this one is the most recent Really have a look at these presentations they will help you to find..
Can I turn off the HttpSession in web.xml? http://stackoverflow.com/questions/2255814/can-i-turn-off-the-httpsession-in-web-xml
Execute code on window close in GWT http://stackoverflow.com/questions/2562658/execute-code-on-window-close-in-gwt void onWindowClosing ClosingEvent event event.setMessage Really IF user clicks ok in the dialog execute code below. Else skip..
Java split is eating my characters http://stackoverflow.com/questions/2819933/java-split-is-eating-my-characters sentence splitting keeping punctuation marks String str Really Wow This.Is.Awesome System.out.println java.util.Arrays.toString.. java.util.Arrays.toString str.split . prints Really Wow This. Is. Awesome Splitting a long string into fixed length..
Can the JVM recover from an OutOfMemoryError without a restart http://stackoverflow.com/questions/3058198/can-the-jvm-recover-from-an-outofmemoryerror-without-a-restart may be left waiting for notifies etc that never come Really Wouldn't the killed thread unwind its stacks releasing resources..
Recommended JSF 2.0 CRUD frameworks [closed] http://stackoverflow.com/questions/3180400/recommended-jsf-2-0-crud-frameworks jsf core xmlns h http java.sun.com jsf html h head title Really simple CRUD title h head h body h3 List items h3 h form rendered..
Suggest a simple NoSQL database for java project [closed] http://stackoverflow.com/questions/3451935/suggest-a-simple-nosql-database-for-java-project client server version otherwise JRE 1.5 Elegant Java APIs Really fast. About 50.000 insert sec on common HW Small less than 1Mb..
Why does this go into an infinite loop? http://stackoverflow.com/questions/3831341/why-does-this-go-into-an-infinite-loop assigned to y it is the value formerly assigned to x . Really injecting y makes things no different from the scenario above..
How do CDI and EJB compare? interact? http://stackoverflow.com/questions/4684112/how-do-cdi-and-ejb-compare-interact would help clear up how they differ or where they overlap. Really just confused. I think I understand EJB reasonably well I guess..
Generate UML Class Diagram from Java Project [closed] http://stackoverflow.com/questions/6167266/generate-uml-class-diagram-from-java-project do an overview class diagram of my whole project StarUML Really good Opensource UML tool but cannot generate not overview class..
NetBeans Tips and Tricks [closed] http://stackoverflow.com/questions/628830/netbeans-tips-and-tricks to the project. Macro recording for repetitive tasks Really useful for advanced replace kind of tasks Adding TODO tasks..
Really force file sync/flush in Java http://stackoverflow.com/questions/730521/really-force-file-sync-flush-in-java force file sync flush in Java How can data written to a file..
What Java XML library do you recommend (to replace dom4j)? http://stackoverflow.com/questions/831865/what-java-xml-library-do-you-recommend-to-replace-dom4j suddenly. If you want to use dom4j you want version 1.6.1. Really. ...and the website has said that for a long time. So is there..
Can someone please explain mappedBy in hibernate? http://stackoverflow.com/questions/9108224/can-someone-please-explain-mappedby-in-hibernate telling both models that they own the IDAIRLINE column. Really only one of them actually should The 'normal' thing is to take..
JTextArea appending problems http://stackoverflow.com/questions/11927167/jtextarea-appending-problems the process methods UPDATED with Example Okay so this is a REALLY simple example. This basically walks you C drive to 3 directories..
How can I reference my Java Enum without specifying its type http://stackoverflow.com/questions/1677037/how-can-i-reference-my-java-enum-without-specifying-its-type me the syntax I needed and upvote the others. By the way a REALLY STRANGE part of this before I got the static import to work..
Java: Swing Libraries & Thread Safety http://stackoverflow.com/questions/182316/java-swing-libraries-thread-safety ENTIRE GUI will be completely unresponsive resulting in REALLY pissed off users. This is why Swing seems slow and crusty. Use.. very attractive and RESPONSIVE GUIs An example of some REALLY awesome Swing UI work Palantir Technologies . Note I DO NOT..
Java MVC - How to divide a done text game into MVC? http://stackoverflow.com/questions/2687345/java-mvc-how-to-divide-a-done-text-game-into-mvc is only for the layout graphically correct I am having a REALLY hard time figuring out where to begin at all. Any pointers would..
Hibernate Enum mapping using annotaions http://stackoverflow.com/questions/3396564/hibernate-enum-mapping-using-annotaions EnumType.STRING private TeamMemberStatus status I would REALLY like for application reasons to have this column mapped as a..
Junit vs TestNG http://stackoverflow.com/questions/6658/junit-vs-testng in JUnit but then again if you don't have it you don't REALLY miss it. For all its claims of high configuration I did run..
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