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java Programming Glossary: usuallyJComponents not showing up with picture background? http://stackoverflow.com/questions/11369171/jcomponents-not-showing-up-with-picture-background want the JPanel to be drawn the usual Java way first this usually depends on the opaque property of the said JComponent if it's..
How to get UTF-8 working in java webapps? http://stackoverflow.com/questions/138948/how-to-get-utf-8-working-in-java-webapps ΠΆ the character ΠΆ is handled as UTF 8 and is encoded to usually by the browser before even getting to the server as D0 B6 ...
StringBuilder vs String concatenation in toString() in Java http://stackoverflow.com/questions/1532461/stringbuilder-vs-string-concatenation-in-tostring-in-java At the point where you're concatenating in a loop that's usually when the compiler can't substitute StringBuilder by itself...
Sorting an ArrayList of Contacts based on name? [duplicate] http://stackoverflow.com/questions/1814095/sorting-an-arraylist-of-contacts-based-on-name 0 catch Exception e If this exception occurs then it is usually a fault of the developer. throw new RuntimeException Cannot..
What is the difference between JSF, Servlet and JSP? http://stackoverflow.com/questions/2095397/what-is-the-difference-between-jsf-servlet-and-jsp the compiled JSP class and send the generated output usually just HTML CSS JS through the webserver over network to the client..
Why is it a bad practice to call System.gc? http://stackoverflow.com/questions/2414105/why-is-it-a-bad-practice-to-call-system-gc as a hint so I'm kind of at loss. I do understand that usually the JVM knows better than you when it needs to reclaim memory...
non-static variable cannot be referenced from a static context http://stackoverflow.com/questions/2559527/non-static-variable-cannot-be-referenced-from-a-static-context to the class and not a specific instance. For methods this usually are global helper methods like Integer.parseInt . For fields.. helper methods like Integer.parseInt . For fields it's usually constants like car types i.e. something where you have a limited..
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 which you'd like to press programmatically because that's usually been used in the server side to distinguish if a button was.. Maintaining the session The server side session is usually backed by a cookie. Some web forms require that you're logged..
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 true The AsyncTask will look like this usually subclasses of AsyncTask are declared inside the activity class...
How do servlets work? Instantiation, session variables and multithreading http://stackoverflow.com/questions/3106452/how-do-servlets-work-instantiation-session-variables-and-multithreading listens on HTTP requests on a certain port number which is usually 80. When a client user with a webbrowser sends a HTTP request.. the way you want such as setting headers and the body usually with HTML content from a JSP file . When the HTTP response is..
What are the pros and cons of the leading Java HTML parsers? http://stackoverflow.com/questions/3152138/what-are-the-pros-and-cons-of-the-leading-java-html-parsers for direct use by JAXP API. The major differences are usually to be found in the features of the parser in question. Most.. tagsoup like JTidy NekoHTML TagSoup and HtmlCleaner . You usually use this kind of HTML parsers to tidy the HTML source e.g. replacing..
Unicode equivalents for \w and \b in Java regular expressions? http://stackoverflow.com/questions/4304928/unicode-equivalents-for-w-and-b-in-java-regular-expressions shorthand as any letter digit or connecting punctuation usually underscore . That way a regex like w matches words like hello..
When to use <ui:include>, tag files, composite components and/or custom components? http://stackoverflow.com/questions/6822000/when-to-use-uiinclude-tag-files-composite-components-and-or-custom-componen responsibility using pure XML. Such a composite component usually consists of a bunch of existing components and or HTML and get..
Java String.equals versus == [duplicate] http://stackoverflow.com/questions/767372/java-string-equals-versus to the objects are equal. Note that string constants are usually interned such that two constants with the same value can actually..
Efficiency of Java “Double Brace Initialization”? http://stackoverflow.com/questions/924285/efficiency-of-java-double-brace-initialization is created for each initialization all for the purpose of usually making a single object. Considering that the Java Virtual Machine..
Android Activity ClassNotFoundException - tried everything http://stackoverflow.com/questions/10866431/android-activity-classnotfoundexception-tried-everything 2577 06 02 18 22 35.529 E AndroidRuntime 586 ... 11 more Usually this means that the manifest file is wrong in some way but I've..
How is values() implemented for Java 6 enums? http://stackoverflow.com/questions/1163076/how-is-values-implemented-for-java-6-enums the values method. Specifically how is it implemented Usually I could jump to the source for Java classes using F3 or CTRL..
Can constructors throw exceptions in Java? http://stackoverflow.com/questions/1371369/can-constructors-throw-exceptions-in-java this question Yes constructors can throw exceptions. Usually this means that the new object is immediately eligible for garbage..
How to protect Java codes against decompiler? [closed] http://stackoverflow.com/questions/1879061/how-to-protect-java-codes-against-decompiler I know this is a big topic and maybe there is no ending. Usually there are two ways obfuscator and customized classloader. Is..
What is the difference between JDK and JRE? http://stackoverflow.com/questions/1906445/what-is-the-difference-between-jdk-and-jre JavaDoc and Java Debugger to create and compile programs. Usually when you only care about running Java programs on your browser..
http://stackoverflow.com/questions/2349633/servlets-doget-and-dopost one to the other or vice versa. This makes no utter sense. Usually the servlet's doGet is used to preprocess a request. I.e. doing.. the encoding type so and parse the request body yourself. Usually you use the Apache Commons FileUpload there for but if you're..
How can I avoid garbage collection delays in Java games? (Best Practices) [closed] http://stackoverflow.com/questions/2484079/how-can-i-avoid-garbage-collection-delays-in-java-games-best-practices hiccup in drawing and interaction for garbage collection. Usually it's less than one tenth of a second but sometimes it can be..
default maven compiler setting http://stackoverflow.com/questions/2531650/default-maven-compiler-setting dependencies and plugins in your parent pom file. Usually you'll want to favor dependencyManagement and pluginManagement..
http://stackoverflow.com/questions/299068/how-slow-are-java-exceptions catch handlers . However this is not what you usually do. Usually you open a try block and then call a method that might throw..
http://stackoverflow.com/questions/3003855/increase-permgen-space XX CMSPermGenSweepingEnabled XX CMSClassUnloadingEnabled Usually this occurs when doing lots of redeploys. I am surprised you..
What does java.lang.Thread.interrupt() do? http://stackoverflow.com/questions/3590000/what-does-java-lang-thread-interrupt-do interrupted status AND clears that interrupt flag. Usually the thread might then do something such as throw InterruptedException...
static allocation in java - heap, stack and permanent generation http://stackoverflow.com/questions/3849634/static-allocation-in-java-heap-stack-and-permanent-generation have seen written elsewhere or what they have inferred. Usually what is written here or in various articles and web pages is..
What is a stack trace, and how can I use it to debug my application errors? http://stackoverflow.com/questions/3988788/what-is-a-stack-trace-and-how-can-i-use-it-to-debug-my-application-errors here. More daunting example with library code Usually stack traces are much more complex than the two examples above...
http://stackoverflow.com/questions/4140448/servlet-mapping-vs is been invoked so the servlet on won't be invoked. Usually you'd like to use on a Filter only. It is able to let the request..
Does use of final keyword in Java improve the performance? http://stackoverflow.com/questions/4279420/does-use-of-final-keyword-in-java-improve-the-performance made as habit. java final share improve this question Usually not. For virtual methods HotSpot keeps track of whether the..
What exactly is a Maven Snapshot and why do we need it? http://stackoverflow.com/questions/5901378/what-exactly-is-a-maven-snapshot-and-why-do-we-need-it might give a different file than downloading it yesterday. Usually snapshot dependencies should only exist during development and..
http://stackoverflow.com/questions/633158/spring-autowired-usage code Thought not. Are those variations there for a reason Usually not. We hardly use qualifiers in our configuration and found..
Solving a “communications link failure” with jdbc and mysql http://stackoverflow.com/questions/6865538/solving-a-communications-link-failure-with-jdbc-and-mysql root password Pass useUnicode true characterEncoding UTF 8 Usually default port for MySQL is 3306. Don't forget to change username..
Layering multiple GlassPane's in a Root Container http://stackoverflow.com/questions/8715807/layering-multiple-glasspanes-in-a-root-container you to layout multiple components in the glass pane. Usually you should only use the glass pane to block user input and if..
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