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java Programming Glossary: evenWhy 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 statement if data c 128 sum data c Notice that the data is evenly distributed between 0 and 255. When the data is sorted roughly.. is unable to generate conditional moves for this branch even under Ox . Intel Compiler 11 does something miraculous. It interchanges.. branch with the loop interchange . This goes to show that even mature modern compilers can vary wildly in their ability to..
Why is Java Vector class considered obsolete or deprecated? http://stackoverflow.com/questions/1386275/why-is-java-vector-class-considered-obsolete-or-deprecated be enough Of course it also has the overhead of locking even when you don't need to. Basically it's a very flawed approach..
How to round a number to n decimal places in Java http://stackoverflow.com/questions/153724/how-to-round-a-number-to-n-decimal-places-in-java however it always displays numbers with 5 decimal places even if they are not significant String.format .5g n 0.912300 returns.. returns 0.91238 However as you can see this uses half even rounding. That is it will round down if the previous digit is.. That is it will round down if the previous digit is even. What I'd like is this 0.912385 0.91239 0.912300 0.9123 What..
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 let alone swap which we don't use on Android and it is even less clear. Thus if you were to take all of the physical RAM..
What is a raw type and why shouldn't we use it? http://stackoverflow.com/questions/2770321/what-is-a-raw-type-and-why-shouldnt-we-use-it bullet point. MyType.Nested is not a parameterized type even though it's a member type of a parameterized type MyType E because..
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 away. If you don't need to set any headers then you can even use the URL#openStream shortcut method. InputStream response..
How do servlets work? Instantiation, session variables and multithreading http://stackoverflow.com/questions/3106452/how-do-servlets-work-instantiation-session-variables-and-multithreading will trash the session. Every subsequent request even though with the cookie specified will not have access to the..
A better Java JSON library? [closed] http://stackoverflow.com/questions/338586/a-better-java-json-library improvement but I'm wondering if there is anything that is even better than that java json share improve this question I..
Design Patterns web based applications http://stackoverflow.com/questions/3541077/design-patterns-web-based-applications . Then there are variations based on how actions and events are handled. The popular ones are Request action based MVC.. for server side conversion validation and value change events. This is how among others JSF Wicket and Play works. As a.. on a specific url pattern in web.xml e.g. pages .do or even just .html . In case of prefix patterns as for example pages..
How do I import the javax.servlet API in my Eclipse project? http://stackoverflow.com/questions/4076601/how-do-i-import-the-javax-servlet-api-in-my-eclipse-project which you can get when you litter the WEB INF lib or even JRE lib JRE lib ext etc with servletcontainer specific libraries..
Simplest way to print an array in Java http://stackoverflow.com/questions/409784/simplest-way-to-print-an-array-in-java in array. If my memory serves me correct the output is even decorated in the exact way you're asking. Edit Don't forget..
http://stackoverflow.com/questions/4112686/how-to-use-servlets-and-ajax somebutton and assign the following function to its click event... .get 'someservlet' function responseText Execute Ajax GET.. With JSON instead of plaintext as response format you can even get some steps further. It allows for more dynamics. First you'd.. somebutton and assign the following function to its click event... .get 'someservlet' function responseJson Execute Ajax GET..
What is an efficient way to implement a singleton pattern in Java? http://stackoverflow.com/questions/70689/what-is-an-efficient-way-to-implement-a-singleton-pattern-in-java an ironclad guarantee against multiple instantiation even in the face of sophisticated serialization or reflection attacks...
How can I put a control in the JTableHeader of a JTable? http://stackoverflow.com/questions/7137786/how-can-i-put-a-control-in-the-jtableheader-of-a-jtable it will loose all earlier content state in that column So even if interaction analysis comes out with a clear we do need want..
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 a custom LayoutManager any of the Big Three can can't even GridBag never bothered to really master too much trouble for..
What are the reasons why Map.get(Object key) is not (fully) generic http://stackoverflow.com/questions/857420/what-are-the-reasons-why-map-getobject-key-is-not-fully-generic equal if they are both Lists and have the same contents even if they are different implementations of List . So coming back..
bitmap size exceeds Vm budget error android http://stackoverflow.com/questions/10737582/bitmap-size-exceeds-vm-budget-error-android through it you will understand its pretty useful software. Even if this doesn't solves your problem use the WeakReference for..
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 branch consecutively goes the same direction many times. Even a simple saturating counter will correctly predict the branch..
Simple way to repeat a String in java http://stackoverflow.com/questions/1235179/simple-way-to-repeat-a-string-in-java code has to figure out what I am doing in that for loop. Even if it is commented and has meaningful variables names they still..
How to get UTF-8 working in java webapps? http://stackoverflow.com/questions/138948/how-to-get-utf-8-working-in-java-webapps name P E4ivi In latin1 the character ä is encoded as E4 . Even though the page request everything is defined to use UTF 8 ...
Forcing Garbage Collection in Java? http://stackoverflow.com/questions/1481178/forcing-garbage-collection-in-java tell me if I can force garbage collection in java anyway Even it was tricky to do. I know about System.gc and Runtime.gc but..
How can I enumerate all classes in a package and add them to a List? http://stackoverflow.com/questions/176527/how-can-i-enumerate-all-classes-in-a-package-and-add-them-to-a-list classpath could potentially add classes into a package. Even worse the classloader will load classes on demand and part of..
What to learn for making Java web applications in Java EE 6? [closed] http://stackoverflow.com/questions/1960280/what-to-learn-for-making-java-web-applications-in-java-ee-6 java ee web applications share improve this question Even if I know that this will be controversial my advice would be..
Eclipse - no Java (JRE) / (JDK) … no virtual machine http://stackoverflow.com/questions/2030434/eclipse-no-java-jre-jdk-no-virtual-machine program but again a JVM will allow for more operations. Even though the default registered Java in Eclipse is the one used..
Hibernate: hbm2ddl.auto=update in production? http://stackoverflow.com/questions/221379/hibernate-hbm2ddl-auto-update-in-production production too. But in reality it's not always the case. Even if it worked OK it may be sub optimal. DBAs are paid that much..
What is a raw type and why shouldn't we use it? http://stackoverflow.com/questions/2770321/what-is-a-raw-type-and-why-shouldnt-we-use-it and then manually cast to String every item from names . Even better though is NOT to use a raw type and let the compiler..
Is it possible to use JSF+Facelets with HTML 4/5? http://stackoverflow.com/questions/2935759/is-it-possible-to-use-jsffacelets-with-html-4-5 5 has some new elements that are not available in XHTML. Even HTML 4 and XHTML have some differences regarding elements and..
Fastest way to determine if an integer's square root is an integer http://stackoverflow.com/questions/295579/fastest-way-to-determine-if-an-integers-square-root-is-an-integer picks out the smallest positive square root modulo 8192. Even if this code doesn't work faster for you I hope you enjoy some..
How to avoid Java Code in JSP-Files? http://stackoverflow.com/questions/3177733/how-to-avoid-java-code-in-jsp-files the client's requests into a proper client ready format. Even then this would be better done with a front controller servlet..
Change private static final field using Java reflection http://stackoverflow.com/questions/3301635/change-private-static-final-field-using-java-reflection a final field via reflection or other special mechanism. Even then there are a number of complications. If a final field is..
Prevent user from going back to the previous secured page after logout http://stackoverflow.com/questions/4194207/prevent-user-from-going-back-to-the-previous-secured-page-after-logout app then you need to specify the URL pattern of app . Even more you can do this job in the same Filter as where you're..
Remove Top-Level Container on Runtime http://stackoverflow.com/questions/6309407/remove-top-level-container-on-runtime NightMares import java.awt. import java.awt.event.WindowEvent import java.util.logging.Level import java.util.logging.Logger.. JDialog wins i .setVisible false wins i .dispose WindowEvent windowClosing new WindowEvent wins i WindowEvent.WINDOW_CLOSING.. wins i .dispose WindowEvent windowClosing new WindowEvent wins i WindowEvent.WINDOW_CLOSING wins i .dispatchEvent windowClosing..
CSRF, XSS and SQL Injection attack prevention in JSF http://stackoverflow.com/questions/7722159/csrf-xss-and-sql-injection-attack-prevention-in-jsf . I am not using any JavaScript in any of the view pages. Even if I use do I really need to implement code to prevent XSS attacks..
Why is char[] preferred over String for passwords? http://stackoverflow.com/questions/8881291/why-is-char-preferred-over-string-for-passwords clear all memory as it goes to avoid this sort of thing. Even if it does there's still the time during which the char contains..
How to convert List<Integer> to int[] in Java? http://stackoverflow.com/questions/960431/how-to-convert-listinteger-to-int-in-java each type . It's ugly but that's the way it is I'm afraid Even though the Arrays class came out before generics arrived in..
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