java Programming Glossary: importantHow to load a jar file at runtime http://stackoverflow.com/questions/194698/how-to-load-a-jar-file-at-runtime do I load a new jar Obviously since constant up time is important I'd like to add the ability to re load existing classes while..
What's a good Java API for creating Word documents? [closed] http://stackoverflow.com/questions/203174/whats-a-good-java-api-for-creating-word-documents can generate MS Office 2007 Open XML document formats. The important things about OpenOffice UNO are It is freeware It supports multiple..
Choosing a Java Web Framework now? [closed] http://stackoverflow.com/questions/2084169/choosing-a-java-web-framework-now maybe I don't get it I'm not sure of its maturity and more important I'm really wondering what SpringSource is doing with Grails..
Official reasons for “Software caused connection abort: socket write error” http://stackoverflow.com/questions/2126607/official-reasons-for-software-caused-connection-abort-socket-write-error side or would that render the same error message And most important Is there an official document e.g from Sun stating the above..
Best Practice: Initialize class fields in constructor or at declaration? http://stackoverflow.com/questions/24551/best-practice-initialize-class-fields-in-constructor-or-at-declaration
Java: when to use static methods http://stackoverflow.com/questions/2671496/java-when-to-use-static-methods since there isn't a privileged choice of which Car is more important you shouldn't force a caller to choose one Car as the object..
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 new OutputStreamWriter output charset true true autoFlush important Send normal param. writer.append boundary .append CRLF writer.append.. IOException logOrIgnore writer.append CRLF .flush CRLF is important It indicates end of binary boundary. End of multipart form..
What is a serialVersionUID and why should I use it? http://stackoverflow.com/questions/285793/what-is-a-serialversionuid-and-why-should-i-use-it field of type long What is serialVersionUID and why is it important Please show an example where missing serialVersionUID will cause..
Validating input using java.util.Scanner http://stackoverflow.com/questions/3059333/validating-input-using-java-util-scanner of more enabled by the fact that it's regex based. One important feature is useDelimiter String pattern which lets you define.. System.out.println That's not a number sc.next this is important number sc.nextInt while number 0 System.out.println Thank you.. to advance the Scanner until it hasNextInt . It's important to realize that none of the hasNextXXX methods advance the Scanner..
A better Java JSON library? [closed] http://stackoverflow.com/questions/338586/a-better-java-json-library
Howto unescape a Java string literal in Java http://stackoverflow.com/questions/3537706/howto-unescape-a-java-string-literal-in-java Q U L E IDIOT JAVA PREPROCESSOR u l These are not so important to cover if you're passing the result to Pattern.compile since..
Design Patterns web based applications http://stackoverflow.com/questions/3541077/design-patterns-web-based-applications of a mix of design patterns. I'll mention only the most important ones. Model View Controller pattern The core architectural design.. .substring 1 then. Other patterns Those were the important patterns so far. To get a step further you could use the Facade..
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 cause at com.example.myproject.Book.getId Book.java 22 important line Again with this exception we'd want to look at line 22..
How to internationalize a Java web application? http://stackoverflow.com/questions/4276061/how-to-internationalize-a-java-web-application fmt setLocale sets the locale for resource bundle. It's important that this line is before the fmt setBundle . The fmt setBundle..
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 and the development team is to be commended for this important effort. Java 䏭 Regex Unicode Problems The problem with Java.. in idiotic UTF 16 surrogates. It 䏭 hard to overstress how important that is And that 䏭 just for the string expansion. For regex..
http://stackoverflow.com/questions/5418292/jsf-2-0-file-upload multipart form data attribute on h form this is very important in order to be able to send files with HTTP. Create a simple..
How to get UTF-8 working in java webapps? http://stackoverflow.com/questions/138948/how-to-get-utf-8-working-in-java-webapps HTMLdocs NewHTML iso_table.html http www.utf8 chartable.de Important Note mysql supports the Basic Multilingual Plane using 3 byte..
http://stackoverflow.com/questions/1463284/hashset-vs-treeset the ordered set like first last headSet and tailSet etc Important points Both guarantee duplicate free collection of elements..
Java HTTPS client certificate authentication http://stackoverflow.com/questions/1666052/java-https-client-certificate-authentication authentication can only be enforced by the server. Important When the server requests a client certificate as part of the..
Places where JavaBeans are used? http://stackoverflow.com/questions/1727603/places-where-javabeans-are-used void setBirthdate Date birthdate this.birthdate birthdate Important java.lang.Object overrides. public boolean equals Object other..
jersey rest web Service with Activemq middleware integration http://stackoverflow.com/questions/19706788/jersey-rest-web-service-with-activemq-middleware-integration or my rest service webapp. How to call the service. Important Inside the Rest Api I am using FilterChaining concept for security..
http://stackoverflow.com/questions/2318020/merging-two-images pixels to give some sort of light effect like a reflex. Important detail I don't want to do this on screen with graphics I need..
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 buffer 0 output.write buffer 0 length output.flush Important Output cannot be closed. Close of writer will close output..
Forcing a save as dialogue from any web browser from JSF application http://stackoverflow.com/questions/2914025/forcing-a-save-as-dialogue-from-any-web-browser-from-jsf-application close output close input facesContext.responseComplete Important Else JSF will attempt to render the response which obviously..
http://stackoverflow.com/questions/3158730/java-3-dots-in-parameters one two three myMethod solo myMethod new String a b c Important Note The parameter s passed in this way is always an array even.. one. Make sure you treat it that way in the method body. Important Note 2 The parameter that gets the ... must be the last in the..
Android Resource - Array of Arrays http://stackoverflow.com/questions/4326037/android-resource-array-of-arrays
How can I protect MySQL username and password from decompiling? http://stackoverflow.com/questions/442862/how-can-i-protect-mysql-username-and-password-from-decompiling binaries so decompilation will not pose a security risk. Important Note The preference files are just plain text XML files. Make.. anyway. In Windows the situation might be different. More Important Notes There has been a lot of discussion in the comments of..
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 space that can be shared. When is Virtual Memory Size Important The virtual memory map contains a lot of stuff. Some of it is.. completely irrelevant statistic. When is Resident Set Size Important Resident Set size is that portion of the virtual memory space..
Differences between Ant and Maven http://stackoverflow.com/questions/603189/differences-between-ant-and-maven bunch of work that you didn't need to do over time. More Important than Maven vs. Ant Is that you use a Repository Manager to keep..
Synchronization of non-final field http://stackoverflow.com/questions/6910807/synchronization-of-non-final-field doing synchronize this or make the method synchronized . Important points by @Jon Skeet below read carefully share improve this..
intern() behaving differently in Java 6 and Java 7 http://stackoverflow.com/questions/7065337/intern-behaving-differently-in-java-6-and-java-7 from the permanent generation of the Java heap. Found here Important RFEs Addressed in JDK 7 In JDK 7 interned strings are no longer..
Using MessagePack with Android http://stackoverflow.com/questions/7529522/using-messagepack-with-android to this issue http markmail.org message ypa3nrr64kzsyfsa . Important I've only tested synchronous communication. Asynchronous might..
http://stackoverflow.com/questions/13462952/google-drive-sdk-exception ctx account.name oauth2 DriveScopes.DRIVE IMPORTANT DriveScopes must be changed depending on what level of access.. API enable Drive SDK go to API ACCESS create CLIENT ID IMPORTANT here choose Installed application Android ALSO IMPORTANT key.. IMPORTANT here choose Installed application Android ALSO IMPORTANT key in your generated SHA1 key key in your CORRECT package name..
Mapping a specific servlet to be the default servlet in Tomcat http://stackoverflow.com/questions/14223150/mapping-a-specific-servlet-to-be-the-default-servlet-in-tomcat the asterisk it MUST have a dot extension .do .jsp etc. . IMPORTANT NOTE The URL patterns represent logical virtual structure i.e...
Adding external resources (CSS/JavaScript/images etc) in JSP http://stackoverflow.com/questions/14548998/adding-external-resources-css-javascript-images-etc-in-jsp link type text css rel stylesheet href root globalCSS.css IMPORTANT NOTE By default in order to set the variable in such manner..
AES gets different results in iOS and Java http://stackoverflow.com/questions/17535918/aes-gets-different-results-in-ios-and-java skeySpec getKey password byte clearText text.getBytes UTF8 IMPORTANT TO GET SAME RESULTS ON iOS and ANDROID final byte iv new byte.. Please give text try SecretKey key getKey password IMPORTANT TO GET SAME RESULTS ON iOS and ANDROID final byte iv new byte..
How to write console output to a txt file http://stackoverflow.com/questions/1994255/how-to-write-console-output-to-a-txt-file file a line out.println lineFromInput close the file VERY IMPORTANT out.close catch IOException e1 System.out.println Error during..
Volatile guarantees and out-of-order execution http://stackoverflow.com/questions/2441279/volatile-guarantees-and-out-of-order-execution guarantees and out of order execution IMPORTANT EDIT I know about the happens before in the thread where the..
Why can Java Collections not directly store Primitives types? http://stackoverflow.com/questions/2504959/why-can-java-collections-not-directly-store-primitives-types but you still pay the performance price of boxing. This is IMPORTANT to many programmers. A good explanation on SO already http stackoverflow.com..
Java equivalent to PHP's preg_replace_callback http://stackoverflow.com/questions/375420/java-equivalent-to-phps-preg-replace-callback php regex preg replace share improve this question IMPORTANT As pointed out by Kip in the comments this class has an infinite..
How to annotate MYSQL autoincrement field with JPA annotations http://stackoverflow.com/questions/4102449/how-to-annotate-mysql-autoincrement-field-with-jpa-annotations but still have the same error. Any suggestions ... IMPORTANT FOLLOW UP I just got the true and complete DDL grrr sorry things..
Executable jar won't find the properties files http://stackoverflow.com/questions/4126030/executable-jar-wont-find-the-properties-files manifestEntries Class Path . Class Path HERE IS THE IMPORTANT BIT manifestEntries archive configuration executions execution..
Java Generics - Bridge method? http://stackoverflow.com/questions/5007357/java-generics-bridge-method 0 for Object t list if comp.compare t biggestSoFar 0 IMPORTANT biggestSoFar t return biggestSoFar If the bridge method didn't.. MyComparator to this function the call at the line tagged IMPORTANT would fail since MyComparator would have no method called compare..
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