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  • Naming convention when casually referring to methods in Java

    - by polygenelubricants
    Is there a Java convention to refer to methods, static and otherwise, any specific one or the whole overload, etc? e.g. String.valueOf - referring to all overloads of static valueOf String.valueOf(char) - specific overload, formal parameter name omittable? String.split - looks like a static method, but actually an instance method Maybe aString.split is the convention? String#split - I've seen this HTML anchor form too, which I guess is javadoc-influenced Is there an authoritative recommendation on how to clearly refer to these things?

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  • How to delegate SwingWorker's publish to other methods

    - by Savvas Dalkitsis
    My "problem" can be described by the following. Assume we have an intensive process that we want to have running in the background and have it update a Swing JProgress bar. The solution is easy: import java.util.List; import javax.swing.JOptionPane; import javax.swing.JProgressBar; import javax.swing.SwingWorker; /** * @author Savvas Dalkitsis */ public class Test { public static void main(String[] args) { final JProgressBar progressBar = new JProgressBar(0,99); SwingWorker<Void, Integer> w = new SwingWorker<Void, Integer>(){ @Override protected void process(List<Integer> chunks) { progressBar.setValue(chunks.get(chunks.size()-1)); } @Override protected Void doInBackground() throws Exception { for (int i=0;i<100;i++) { publish(i); Thread.sleep(300); } return null; } }; w.execute(); JOptionPane.showOptionDialog(null, new Object[] { "Process", progressBar }, "Process", JOptionPane.OK_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE, null, null, null); } } Now assume that i have various methods that take a long time. For instance we have a method that downloads a file from a server. Or another that uploads to a server. Or anything really. What is the proper way of delegating the publish method to those methods so that they can update the GUI appropriately? What i have found so far is this (assume that the method "aMethod" resides in some other package for instance): import java.awt.event.ActionEvent; import java.util.List; import javax.swing.AbstractAction; import javax.swing.Action; import javax.swing.JOptionPane; import javax.swing.JProgressBar; import javax.swing.SwingWorker; /** * @author Savvas Dalkitsis */ public class Test { public static void main(String[] args) { final JProgressBar progressBar = new JProgressBar(0,99); SwingWorker<Void, Integer> w = new SwingWorker<Void, Integer>(){ @Override protected void process(List<Integer> chunks) { progressBar.setValue(chunks.get(chunks.size()-1)); } @SuppressWarnings("serial") @Override protected Void doInBackground() throws Exception { aMethod(new AbstractAction() { @Override public void actionPerformed(ActionEvent e) { publish((Integer)getValue("progress")); } }); return null; } }; w.execute(); JOptionPane.showOptionDialog(null, new Object[] { "Process", progressBar }, "Process", JOptionPane.OK_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE, null, null, null); } public static void aMethod (Action action) { for (int i=0;i<100;i++) { action.putValue("progress", i); action.actionPerformed(null); try { Thread.sleep(300); } catch (InterruptedException e) { e.printStackTrace(); } } } } It works but i know it lacks something. Any thoughts?

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  • Methods to stop Software Piracy ?

    - by UK
    I am great fan of open source technologies. I have seen lot of sites which offers pirated software's.My question is , Suppose If you are software developer and wants to sell your product and stop piracy of your products which are all the techniques or methods you use ? Is there any standard software's or standard techniques available ? The best example is Microsoft Windows WPA activation .

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  • Class Design -- Multiple Calls from One Method or One Call from Multiple Methods?

    - by Andrew
    I've been working on some code recently that interfaces with a CMS we use and it's presented me with a question on class design that I think is applicable in a number of situations. Essentially, what I am doing is extracting information from the CMS and transforming this information into objects that I can use programatically for other purposes. This consists of two steps: Retrieve the data from the CMS (we have a DAL that I use, so this is essentially just specifying what data from the CMS I want--no connection logic or anything like that) Map the parsed data to my own [C#] objects There are basically two ways I can approach this: One call from multiple methods public void MainMethodWhereIDoStuff() { IEnumerable<MyObject> myObjects = GetMyObjects(); // Do other stuff with myObjects } private static IEnumerable<MyObject> GetMyObjects() { IEnumerable<CmsDataItem> cmsDataItems = GetCmsDataItems(); List<MyObject> mappedObjects = new List<MyObject>(); // do stuff to map the CmsDataItems to MyObjects return mappedObjects; } private static IEnumerable<CmsDataItem> GetCmsDataItems() { List<CmsDataItem> cmsDataItems = new List<CmsDataItem>(); // do stuff to get the CmsDataItems I want return cmsDataItems; } Multiple calls from one method public void MainMethodWhereIDoStuff() { IEnumerable<CmsDataItem> cmsDataItems = GetCmsDataItems(); IEnumerable<MyObject> myObjects = GetMyObjects(cmsDataItems); // do stuff with myObjects } private static IEnumerable<MyObject> GetMyObjects(IEnumerable<CmsDataItem> itemsToMap) { // ... } private static IEnumerable<CmsDataItem> GetCmsDataItems() { // ... } I am tempted to say that the latter is better than the former, as GetMyObjects does not depend on GetCmsDataItems, and it is explicit in the calling method the steps that are executed to retrieve the objects (I'm concerned that the first approach is kind of an object-oriented version of spaghetti code). On the other hand, the two helper methods are never going to be used outside of the class, so I'm not sure if it really matters whether one depends on the other. Furthermore, I like the fact that in the first approach the objects can be retrieved from one line-- most likely anyone working with the main method doesn't care how the objects are retrieved, they just need to retrieve the objects, and the "daisy chained" helper methods hide the exact steps needed to retrieve them (in practice, I actually have a few more methods but am still able to retrieve the object collection I want in one line). Is one of these methods right and the other wrong? Or is it simply a matter of preference or context dependent?

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  • Using php's magic methods outside a class

    - by Greelmo
    Is it possible to use PHP magic methods (specifically __get()) outside a defined class? I'm wanting to use it in a configuration file for quick loading. The configuration file has a single array, $config, with many keys. Therefore, I'd like to override __get() to return the key in the array.

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  • PHP get overridden methods from child class

    - by Joseph Mastey
    Given the following case: <?php class ParentClass { public $attrA; public $attrB; public $attrC; public function methodA() {} public function methodB() {} public function methodC() {} } class ChildClass { public $attrB; public function methodA() {} } How can I get a list of methods (and preferably class vars) that are overridden in ChildClass? Thanks, Joe

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  • What are Bridge and Synthetic methods in Java?

    - by kunjaan
    Returns : true if and only if this method is a bridge method as defined by the Java Language Specification. Since: 1.5 Returns: true if and only if this method is a synthetic method as defined by the Java Language Specification. Since: 1.5 I saw these in my Reflection doc. I saw couple of docs but I couldn't fully understand the usage of them. Could Somebody expalin these methods for a layperson?

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  • Tag Cloud with jQuery Effect

    Tag Cloud WebControl built on the Star Field jQuery plug-in...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Guidelines for calling controller methods in helper modules?

    - by keruilin
    Few questions: Is it possible to call a controller method in a helper module (e.g., application helper)? If so, how does the helper handle the rendering of views? Ignore it? In what instances would you want to call a controller method from a helper? Is it bad practice? Do you have any sample code where you're calling controller methods in helper?

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  • Why do static Create methods exist?

    - by GeReV
    I was wondering, why do static Create methods exist? For instance, why use this code: System.Xml.XmlReader reader = System.Xml.XmlReader.Create(inputUri); over this code: System.Xml.XmlReader reader = new System.Xml.XmlReader(inputUri); I cannot find the rationale for using one over the other, and can't find any relation between classes who use this construct over the other. Can anyone shed some light on this?

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  • nhibernate virtual methods & resharper

    - by Berryl
    I am curious how other Resharper users deal wih R#'s complaint about virtual methods it thinks are unused because it can't tell that NHIb will use them at runtime. I currently leave it as a hint, reluctantly, although am tempted to shut it off completely. Cheers, Berryl

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  • Sortie de Avgrund Modal : le plugin jQuery d'un nouvel effet pour popups et boîtes modales

    Sortie de Avgrund Modal le plugin jQuery pour vos boîtes modales et popups. Ce plugin, créé par Dmitri Voronianski, ajoute une impression de profondeur à la page lorsque vous affichez une boîte modale. Le contenu principal fait un zoom arrière (il rétrécit) et se grise. Il fonctionne dans tous les navigateurs récents. [IMG]http://dailyjs.com/images/posts/avgrund.png[/IMG] Simple d'utilisation, vous n'avez qu'à appeler ce code : Code javascript :

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  • Efficient process SQL Server and numerical methods library

    - by darkcminor
    Is there a way to comunicate a numeric method library, that can exploit all .net's (numerical methods called by .net that does SQL Server things) habilities?, What library do you recomend, maybe using MATLAB, R? How to comunicate SQL Server and .net with such library or libraries? Do you have an example? What steps must be followed to make the link between numerical libraries, .net and SQL Server

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  • Partial rendering control using JQuery in MVC 2

    This article show a web custom control that allows partial rendering using JQuery in a MVC 2 web application...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Apache log - file does not exist

    - by Ivan
    I have quite a few of these in Apache logs piling up every day: [Mon Jun 09 20:42:58 2014] [error] [client 180.153.214.181] File does not exist: /home/user/public_html/ajax.googleapis.com, referer: http://www.mysite.com//ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js I have over 200k visitors per day but a few of them like a dozen or so are generating the above error. I can't figure out what may be causing it. Checked the html code and it's all good so I ran out of ideas.

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  • How to call Cocoa Methods from Applescript under Mac OS X 10.6

    - by Nico
    In former Mac OS x versions it was possible to call Cocoa methods via the "call method" command in applescript ("Applescript Studio"). E.g. this way: set theURL to "http://www.apple.com" set URLWithString to (call method "stringByAddingPercentEscapesUsingEncoding:" of theURL with parameter 30) The script interpreter in the "Applescript Editor" (10.6) does not understand the command "call method". - Is there an equivalent for "Applescript Editor" (10.6)?

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  • Upload Multiple Files in ASP.NET using jQuery

    Upload Multiple Files in ASP.NET using jQuery...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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