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java Programming Glossary: whenHow to upload files to server using JSP/Servlet? http://stackoverflow.com/questions/2422468/how-to-upload-files-to-server-using-jsp-servlet available in the request body in a different format than when the enctype isn't set. Before Servlet 3.0 the Servlet API didn't.. request.getParameter and consorts would all return null when using multipart form data. Don't manually parse it You can in.. example how the doPost of your UploadServlet may look like when using Apache Commons FileUpload protected void doPost HttpServletRequest..
Overriding equals and hashCode in Java http://stackoverflow.com/questions/27581/overriding-equals-and-hashcode-in-java hashCode in Java What issues pitfalls must be considered when overriding equals and hashCode java override equals hashcode..
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 . The String#format is just for convenience. I prefer it when I would need the String concatenation operator more than twice... InputStream response connection.getInputStream ... Note whenever you'd like to submit a HTML form programmatically don't.. but the the request will automatically be fired on demand when you want to get any information about the HTTP response such..
How do servlets work? Instantiation, session variables and multithreading http://stackoverflow.com/questions/3106452/how-do-servlets-work-instantiation-session-variables-and-multithreading can specify in web.xml which defaults to 30 minutes. So when the client doesn't visit the webapp anymore for over 30 minutes.. which is as long as the browser instance is running. So when the client closes the browser instance all tabs windows then..
JSTL in JSF2 Facelets… makes sense? http://stackoverflow.com/questions/3342984/jstl-in-jsf2-facelets-makes-sense to them as well. The view build time is that moment when the XHTML JSP file is to be parsed and converted to a JSF component.. of the FacesContext . The view render time is that moment when the JSF component tree is about to generate HTML starting with.. the HTML output. This may lead to unexpected results when using JSTL tags in for example JSF iterating components like..
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 Swing components. I don't see any alternative to their use when I want to define proportions between displayed components. I.. methods The methods have been defined for a reason. So when should I use them In which context For what purposes What exactly.. code The methods have been defined for a reason. So when should I use them In which context For what purposes don't know..
The Use of Multiple JFrames, Good/Bad Practice? http://stackoverflow.com/questions/9554636/the-use-of-multiple-jframes-good-bad-practice unfriendly The user sees multiple icons in their task bar when expecting to see only one. Plus the side effects of the coding.. or floating tool bar with a parent will come to front when the parent is clicked on you'd have to implement that in frames..
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 that the data is evenly distributed between 0 and 255. When the data is sorted roughly the first half of the iterations..
How can I convert my Java program to an .exe file? [closed] http://stackoverflow.com/questions/147181/how-can-i-convert-my-java-program-to-an-exe-file
How to upload files to server using JSP/Servlet? http://stackoverflow.com/questions/2422468/how-to-upload-files-to-server-using-jsp-servlet However I only get the file name not the file content. When I add enctype multipart form data to the form then request.getParameter.. users for years. Such a library has proven its robustness. When you're not on Servlet 3.0 yet use Apache Commons FileUpload.. . You can find an example in this blog article . When you're already on Servlet 3.0 or newer use native API If you're..
Overriding equals and hashCode in Java http://stackoverflow.com/questions/27581/overriding-equals-and-hashcode-in-java the same value . The relation between the two methods is Whenever a.equals b then a.hashCode must be same as b.hashCode ... rhs.name . append age rhs.age . isEquals Also remember When using a hash based Collection or Map such as HashSet LinkedHashSet..
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 header.getKey header.getValue 3 HTTP response encoding When the Content Type contains a charset parameter then the response..
How do servlets work? Instantiation, session variables and multithreading http://stackoverflow.com/questions/3106452/how-do-servlets-work-instantiation-session-variables-and-multithreading servlets share improve this question ServletContext When the servletcontainer like Apache Tomcat starts up it will deploy.. starts up it will deploy and load all webapplications. When a webapplication get loaded the servletcontainer will create.. will be created once and kept in server's memory as well. When the servletcontainer shuts down it will unload all webapplications..
How to avoid Java Code in JSP-Files? http://stackoverflow.com/questions/3177733/how-to-avoid-java-code-in-jsp-files request response Logged in just continue request. When mapped on an appropriate url pattern covering the JSP pages..
JSTL in JSF2 Facelets… makes sense? http://stackoverflow.com/questions/3342984/jstl-in-jsf2-facelets-makes-sense when partial state saving is turned on as by default . When you reference a view scoped bean in an attribute of a JSTL tag..
http://stackoverflow.com/questions/4112686/how-to-use-servlets-and-ajax to web apps and Servlets and I have the following question Whenever I print something inside the servlet and call it by the.. latest.min.js script script document .ready function When the HTML DOM is ready loading then execute the following function..... .write json The JS code document .ready function When the HTML DOM is ready loading then execute the following function.....
Modelling a Finite Deterministic Automaton via this data http://stackoverflow.com/questions/1870519/modelling-a-finite-deterministic-automaton-via-this-data WORK BUT I DON'T KNOW WHY THE STRING GETS STUCK ON STATE 0 WHEN BEING PROCESSED. To change this template choose Tools Templates..
http://stackoverflow.com/questions/3179733/threadfactory-usage-in-java usage in Java Can someone briefly explain on HOW and WHEN to use a ThreadFactory An example with and without using ThreadFactory..
Removing strings from another string in java http://stackoverflow.com/questions/4769282/removing-strings-from-another-string-in-java FROM HOW IN IS IT NOT OF ON OR THAT THE THIS TO WAS WHAT WHEN WHERE WHO WILL WITH THE WWW private static final String blanksForStopWords..
http://stackoverflow.com/questions/5289393/casting-variables-in-java if anyone could tell me why casting works I understand WHEN I should do it but not really why it works. On primitive datatypes..
Why my antlr lexer java class is “code too large”? http://stackoverflow.com/questions/6283980/why-my-antlr-lexer-java-class-is-code-too-large 'UPDATE' USE 'USE' VALUES 'VALUES' VARCHAR 'VARCHAR' WHEN 'WHEN' WHERE 'WHERE' QUOTE ' '' textMode textMode QUOTED textMode.. 'UPDATE' USE 'USE' VALUES 'VALUES' VARCHAR 'VARCHAR' WHEN 'WHEN' WHERE 'WHERE' QUOTE ' '' textMode textMode QUOTED textMode..
Handling the concurrent request while persisting in oracle database? http://stackoverflow.com/questions/7455726/handling-the-concurrent-request-while-persisting-in-oracle-database p_version RETURNING version_no INTO p_version EXCEPTION WHEN NOT_FOUND THEN Generate a custom exception concurrency viloation..
Is MERGE an atomic statement in SQL2008? http://stackoverflow.com/questions/9871644/is-merge-an-atomic-statement-in-sql2008 SELECT AS ID AS NetValue AS VoidValue AS V ON T.ID V.ID WHEN MATCHED THEN UPDATE SET T.ID V.ID T.NetValue T.NetValue V.NetValue.. T.NetValue V.NetValue T.VoidValue T.VoidValue V.VoidValue WHEN NOT MATCHED THEN INSERT ID NetValue VoidValue VALUES V.ID V.NetValue.. SELECT AS ID AS NetValue AS VoidValue AS V ON T.ID V.ID WHEN MATCHED THEN UPDATE SET T.ID V.ID T.NetValue T.NetValue V.NetValue..
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