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  • IDE for visually impaired

    - by Eli Rosencruft
    A visually impaired colleague has asked me to recommend an IDE with easy-to-find and easy-to-use controls for: font size background and foreground colors changing syntax color scheme support for at least C/C++ and Java He would prefer an IDE that is either portable or that has similar versions for Linux, Windows and Mac. He prefers a dark background and light colored fonts and needs to sit very close to the display.

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  • Gradle Support in NetBeans IDE 7.2

    - by Geertjan
    Russel Winder and Steve Chin spent half an hour, and then gave up, setting up NetBeans IDE to use Gradle, because they couldn't find the NetBeans Gradle plugin, during Steve's NightHacking tour. That need happen no more because Attila Kelemen's NetBeans Gradle plugin is now available in the Plugin Manager in NetBeans IDE 7.2: Aside from opening Gradle-based applications, you can now also create new ones: Details and documentation: https://github.com/kelemen/netbeans-gradle-project

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  • NetBeans IDE 7.3 Knows Null

    - by Geertjan
    What's the difference between these two methods, "test1" and "test2"? public int test1(String str) {     return str.length(); } public int test2(String str) {     if (str == null) {         System.err.println("Passed null!.");         //forgotten return;     }     return str.length(); } The difference, or at least, the difference that is relevant for this blog entry, is that whoever wrote "test2" apparently thinks that the variable "str" may be null, though did not provide a null check. In NetBeans IDE 7.3, you see this hint for "test2", but no hint for "test1", since in that case we don't know anything about the developer's intention for the variable and providing a hint in that case would flood the source code with too many false positives:  Annotations are supported in understanding how a piece of code is intended to be used. If method return types use @Nullable, @NullAllowed, @CheckForNull, the value is considered to be "strongly possible to be null", as well as if the variable is tested to be null, as shown above. When using @NotNull, @NonNull, @Nonnull, the value is considered to be non-null. (The exact FQNs of the annotations are ignored, only simple names are checked.) Here are examples showing where the hints are displayed for the non-null hints (the "strongly possible to be null" hints are not shown below, though you can see one of them in the screenshot above), together with a comment showing what is shown when you hover over the hint: There isn't a "one size fits all" refactoring for these various instances relating to null checks, hence you can't do an automated refactoring across your code base via tools in NetBeans IDE, as shown yesterday for class member reordering across code bases. However, you can, instead, go to Source | Inspect and then do a scan throughout a scope (e.g., current file/package/project or combinations of these or all open projects) for class elements that the IDE identifies as potentially having a problem in this area: Thanks to Jan Lahoda, who reports that this currently also works in NetBeans IDE 7.3 dev builds for fields but that may need to be disabled since right now too many false positives are returned, for help with the info above and any misunderstandings are my own fault!

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  • Play Framework Plugin for NetBeans IDE (Part 2)

    - by Geertjan
    After I published part 1 of this series, the first external contribution (i.e., not by me) to the NetBeans plugin for Play Framework 2 was committed today. Yann D'Isanto added support for creating new Play projects: That completely solves a problem I was working on, in a different way altogether. I was working on creating a new wizard that would call "play new" on the command line and pass into the command line the entered name and application type (1 for Java and 2 for Scala). However, Yann's solution is better, at least in the sense in that it works, as opposed to mine which didn't, because of problems I continually had with the command line, since one needs to press Enter multiple times on the Play command line when creating new projects, which I wasn't able to simulate in my new wizard. Yann's approach is simply to follow the approach taken in the Project Type Module Tutorial, which explains how to register a project sample in the IDE. I was inspired by Yann's contribution, especially when he mentioned that one needs to build Play projects on the command line. So, I added a new menu item on the right-click of a project for building Play projects, which simply passes "play compile" to the command line for the current project: Via the IDE's main menu bar, you can also Build and Run the application, though the code for the Clean function needs to be added still, which would be a cool thing for anyone out there to add, by using all the existing code and then passing "play clean compile" to the command line. Something else that Yann added is an Options Window extension, thanks to the Options Window Module Tutorial, for registering the Play installation, which is a step forward from my hard coded solution. I changed things slightly so that, when Build or Run are selected, without a Play installation being defined, the Options window opens, displaying the tab that Yann created, shown below. Notice that there's no Browse button, which would be a simple next step for anyone else to contribute. A small tip is to use the FileChooserBuilder from the NetBeans IDE APIs when working on the Browse button: Looking forward to more contributions to the Play Framework 2 plugin for NetBeans IDE. Just leave a message here with your ideas, with your java.net name, and then I'll add you to the project on java.net, where I very much look forward to your contributions: http://java.net/projects/nbplay/sources/nbplay

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  • Play Framework Plugin for NetBeans IDE

    - by Geertjan
    The start of minimal support for the Play Framework in NetBeans IDE 7.3 Beta would constitute (1) recognizing Play projects, (2) an action to run a Play project, and (3) classpath support. Well, most of that I've created already, as can be seen, e.g., below you can see logical views in the Projects window for Play projects (i.e., I can open all the samples that come with the Play distribution). Right-clicking a Play project lets you run it and, if the embedded browser is selected in the Options window, you can see the result in the IDE. Make a change to your code and refresh the browser, which immediately shows you your changes: What needs to be done, among other things: A wizard for creating new Play projects, i.e., it would use the Play command line to create the application and then open it in the IDE. Integration of everything available on the Play command line. Maybe the logical view, i.e., what is shown in the Projects window, should be changed. Right now, only the folders "app" and "test" are shown there, with everything else accessible in the Files window, as can be seen in the screenshot above. More work on the classpath, i.e., I've hardcoded a few things just to get things to work correctly. Options window extension to register the Play executable, instead of the current hardcoded solution. Scala integrations, i.e., investigate if/how the NetBeans Scala plugin is helpful and, if not, create different/additional solutions. E.g., the HTML templates are partly in Scala, i.e., need to embed Scala support into HTML. Hyperlinking in the "routes" file, as well as special support for the "application.conf" file. Anyone interested, especially if you're a Play fan (a "playboy"?), in joining me in working on this NetBeans plugin? I'll be uploading the sources to a java.net repository soon. It will be here, once it has been made publicly accessible: http://java.net/projects/nbplay/sources/nbplay Kind of cool detail is that the NetBeans plugin is based on Maven, which means that you could use any Maven-supporting IDE to work on this plugin.

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  • Java IDE written in pure Java?

    - by Darestium
    Is there a Java IDE written in Java? I just got my year 9 DET laptop today at school, and there are all sorts of restrictions set in place. Somewhat annoyingly, you cannot run any executable other than the ones already installed on the system (for some reason they haven't disabled the use of Command Prompt, PowerShell, or strangely enough, regedit). They allow you to run Java executables, so I thought that would be the only way to be able to program on my crappy laptop at school (when I have finished all my work, naturally) :D Edit: By written in Java, I also mean that the executable, that is used to run the program, has the file extension ".jar", thus running on the JVM. Edit 2: I tried the DrJava IDE, and it worked great, thanks (I can compile and execute programs)! Regarding running Eclipse as through the command line using the command "java -jar "C:/Users.../org.eclipse..."". This results in an error producing a log saying file, the main error is: MESSAGE An error occurred while automatically activating bundle org.eclipse.ui.workbench (182). How do I fix this error (I much perfer working with Eclipse than any other IDE)? Edit 3: Regarding my last edit, just disregard it :D. I fixed the problem by downloading the latest version of Eclipse.

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  • Is there a process-oriented IDE ?

    - by Raveline
    My problem is simple : when I'm programming in an OO paradigm, I'm often having part of a main business process divided in many classes. Which means, if I want to examine the whole functional chain that leads to the output, for debugging or for optimization research, it can be a bit painful. So I was wondering : is there an IDE that let you put a "process tag" on functions coming from different objects, and give you a view of all those functions having the same tag ? edit : To give an example (that I'm making up completely, sorry if it doesn't sound very realistic). Let's say we have the following business process for a HR application : receive a holiday-request by an employee, check the validity of the request, then give an alert to his boss ("one of those lazy programmer wants another day off"); at the same time, let's say the boss will want to have a table of all employee's timetable during the time the employee wants his vacations; then handle the answer of the boss, send a nice little mail to the employee ("No way, lazy bones"). Even if we get rid of everything not purely business-related (mail sending process, db handling to get the useful info, GUI functionalities, and so on), we still have something that doesn't really fit in "one class". I'd like to have an IDE that would give me the opportunity to embrace quickly, at the very least : The function handling the validation of the request by the employee; The function preparing the "timetable" for the boss; The function handling the validation of the request by the boss; I wouldn't put all those functions in the same class (but perhaps that's my mistake ?). This is where my dreamed IDE could be helpful.

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  • Save Actions in NetBeans IDE 7.3

    - by Geertjan
    Several developers, especially those familiar with equivalent functionality in Eclipse, have been asking for so-called "Save Actions", that is, support for actions that are automatically performed when a file is saved. Here's the related NetBeans issue: http://netbeans.org/bugzilla/show_bug.cgi?id=140719   In NetBeans IDE 7.3, the issue is resolved as follows: A new "On Save" tab is found in the "Editor" tab of the Options window. Defaults for all languages are set via the "All Languages" item in the drop-down. Here, for all languages, you can specify what kind (all, none, or only modified lines) of formatting and space removal will occur automatically when a file is saved: Via the drop-down, you see all the languages supported by the IDE: You can pick a language and then override the default On Save settings: Per language, there may be additional On Save settings. For example, for Java, you can specify that, when saving a Java file, unused import statements should be removed and/or the rules you've set for organizing import statements should be applied: There's also a set of new NetBeans IDE APIs for adding new On Save functionality via custom plugins. Via MIME type registration of OnSaveTask.Factory, you can register new On Save actions that will be run for files conforming to the relevant MIME type. There's also extensions via the Editor Options API for registering new panels (one per language) to the On Save panel in the Options window. I'll demonstrate some examples of the APIs in upcoming blog entries.

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  • New: Online NetBeans 8 Crash Course

    - by Geertjan
    On Twitter today I came across an announcement for a brand new on-line course in NetBeans 8. Since NetBeans 8 has been released during the past few months, the course is really very new. Go here to get there directly: https://www.video2brain.com/de/videotraining/netbeans-ide-8-0-crashkurs Here's the general idea. As you can see, the course is in German. With my basic understanding of German, I've had no problem in following the course. The trainer speaks clearly and slowly and everything is very well structured. The course covers all the basics of NetBeans IDE. From getting set up to using all the key features. The quality of the videos is great and the content is clear and informative. Once you've bought the course, all the lessons are unlocked. As you can see, they're all quite short and there's really a lot of content, didn't all fit into the screenshot: Quite some work must have gone into this. Here's one of the free lessons in the course, to give an idea of what you'll get: https://www.video2brain.com/de/tutorial/texte-internationalisieren This one is also free: https://www.video2brain.com/de/tutorial/eclipse-projekt-importieren I highly recommend this course especially if you're switching, or thinking about switching, from a different IDE and want to get a thorough overview of all the features that NetBeans IDE provides. Everything in the course is done within NetBeans, which means no slides, just code. You get to see the workflow of all the standard tasks and, for these purposes, the course does a really great job.

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  • iReport for NetBeans IDE 7.4

    - by Geertjan
    A few days ago the iReport Team announced the new 5.5.0 iReport release. With it comes the latest iReport plugin for NetBeans IDE 7.4. The NetBeans iReport plugin is by FAR the most downloaded plugin on the NetBeans Plugin Portal. Here's a direct link to it: http://plugins.netbeans.org/plugin/4425/ireport I installed the plugin into NetBeans IDE 7.4 today and made this small (and silent) movie of the main cool features I found. Sorry it's a bit blurry, comes from conversion from MPEG to AVI. Many thanks to Giulio Toffoli from Jaspersoft for continually enhancing the plugin from release to release, it's really awesome, provides a massive bunch of reporting features, fully justifying the popularity of this plugin. Some documents, more or less up to date, that should help, after following the screencast above: http://community.jaspersoft.com/wiki/designing-report http://community.jaspersoft.com/project/ireport-designer/resources Also, note that YouTube is pretty much flooded with movies on NetBeans and iReport: http://www.youtube.com/results?search_query=ireport+netbeans&search_sort=video_date_uploaded

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  • How To: LIC of India Online Policy Payments And Status Enquiries

    - by Kavitha
    Life Insurance Corporation (LIC) of India is the largest state-owned insurance company in India and also the country’s largest investor. The premium  amount for the insurance policies purchased from LIC are paid by visiting the nearest LIC office or by taking help of LIC agents. It’s a time consuming process and most of us are fed up of standing in long queues at LIC offices for paying premium amount. LIC Online Services Website The worries are not any more, no need to stand in a long queue or approach an agent for paying your LIC policies. LIC of India has an online payment and also renewal facility : http://licindia.in. To pay the policies online we have to register with LIC and login to the site using the registered username and password. Once you login, you can enter your profile information and LIC policies that are purchased on your name(register the policies that are purchased  only on your name, otherwise you land in to troubles). Once registered, managing activities of like payments, loan eligibility checking, policy maturity, etc. are very easy. For online payment of policies you can find Pay Premium Online tab which when clicked takes you to a page that lists all the policies that are due. Payments can be made using credit/debit cards and online banking systems. Almost all the Indian banks are covered as part of the online payment system. Other services that are available through the online system of LIC are : View ULIP Policies,Premium Calendar, Calculate Loan Eligibility, Revival Quote, Policy Maturity, Address Change Requests, etc. LIC Policy Status Enquiry Through Phone LIC also has a helpline/customer care  number ‘1251‘. You can call 1251 to know about  your policy status, premium due date, Loan possibility and loan amount possible, time of maturity etc. This article titled,How To: LIC of India Online Policy Payments And Status Enquiries, was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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  • NRF Online Merchandising Workshop: Where Online Retailers Are Focusing for Holiday and Beyond

    - by Rose Spicer-Oracle
    0 0 1 1204 6863 Oracle Corporation 57 16 8051 14.0 Normal 0 false false false EN-US JA X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:Cambria; mso-ascii-font-family:Cambria; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Cambria; mso-hansi-theme-font:minor-latin;} Last month we attended the NRF Online Merchandising Workshop in LA, and it was a great opportunity to catch up with our customers, meet new retailers, and hear some great presentations from VF Corporation, Zazzle, Julep Beauty, Backcountry, eBags and more. The one-on-one conversations with Merchants and the keynote presentations carry the same themes across companies of all sizes and across verticals. With only 125 days left (and counting) until Black Friday, these conversations provided some great insight in to what’s top of mind for retailers during the most stressful time of their year, and a sneak peek in to what they will deliver this holiday season.  Some of the most popular topics were: When to start promoting for holiday: seems like a funny conversation to have in July, but a number of retailers said they already had their holiday shopping gift guides live on their site, and it was attracting a significant portion of their onsite traffic. When it comes to timing, most retailers were questioning when to begin their holiday promotions -- carefully balancing when to release pricing and specials, and knowing that customers are holding out for last-minute deals and price drops. Many retailers noted the frustrations around transparent pricing by Amazon and a few other mega-retailers last year, publishing their “lowest prices of the season” as early as October – ensuring shoppers that those prices were the best they could get all season long. Many retailers felt their hands were forced to drop prices. Others kept their set pricing with negative customer reaction, causing some to miss their holiday goals. The pressure is on, and most retailers identified November 1 as their target start date for the holiday promotions blitz. Some are even waiting for the big guys to release their “lowest prices of the season” guides and will then follow suit.      Attribution is tough – and a huge focus: understanding the path to conversion is a tough nut to crack, especially in the new omnichannel world where consumers use multiple touchpoints to make a single purchase, and internal management wants to know hard data. This has lead many retailers to invest in attribution; carefully tracking their online marketing efforts to determine what gets “credit” for the sale, instead of giving credit to the “last click.” Retailers noted that it is very difficult to determine the numbers when online and offline worlds collide – like when a shopper uses digital channels for research and then makes a purchase in a store. As one of the presenters from The North Face mentioned in her keynote, a key to enabling better customer service and satisfaction when it comes to converged online and offline sales is training the in-store staff, and creating a culture where it eventually “doesn’t matter what group gets the credit” if they all add to the sale. No doubt, the area of attribution will be a big area of retail investment in the coming years.      How to plan for the converged world: planning to ensure inventory gets where it needs to be was another concern. In conversations with retailers, we advised them to analyze customer patterns: where shoppers purchase items, where the items were sourced from and even where items are returned. This analysis is very valuable in determining inventory plans. From there, retailers can more accurately plan and allocate inventory to support both the online and offline customer behavior. As we head into the holiday season, the need for accurate enterprise-wide inventory visibility, and providing that information to associates, is even more critical to the brand-wide customer experience.       Improving the search / navigation / usability of the site(s): Aside from some of the big ideas and standard holiday pricing pressure, most conversations we had centered around continuing to improve the basics of the site. Reinvesting in search and navigation came up time and time again (FitForCommerce blogged about what a big topic it was at the event as well). Obviously getting shoppers on their path quickly and allowing them to find what they need fast is critical, but it was definitely interesting to hear just how much effort is still going in to honing the search and navigation experience. Adding new elements to search and navigation like typeahed, inventive navigation refinements, and new navigation categories like gift guides, specialized boutiques and flash sales were top of mind, in addition to searchandising and making search-driven product recommendations. (Oracle can help!)       Reducing cart abandonment: always a hot topic that is top of mind for every online retailer. Getting shoppers to the cart is often less then half the battle; getting them to click “buy” and complete the transaction is much more difficult. While retailers carefully study the checkout process and where shoppers tend to bounce, they know that how they design their checkout page is critical. We’re all online shoppers in our personal lives and we know how frustrating it can be when total prices are not transparent (i.e. shipping, processing, taxes is not included until the very last possible screen before clicking that buy button). Online retailers are struggling with where in the checkout process to surface the total price to be charged to reduce cart abandonment, while not showing the total figure too early in the process that it keeps shoppers from getting to checkout altogether. Recent research shows that providing total pricing prior to the checkout process dramatically reduces cart abandonment – as it serves as a filter to those shopping within a specific price band. Much of the cart abandonment discussion leads us to…       The free shipping / free returns question: it’s no secret that because of Amazon and programs like Prime, consumers expect free shipping, much to the chagrin of the smaller retailer. The reality is that if you’re not a mega-retailer, shipping is an expensive part of doing business that doesn’t allow most retailers to keep their prices low and offer free shipping. This has many retailers venturing out on the “free returns” path, especially in apparel. A number of retailers we spoke with are testing a flat rate shipping fee with free returns to see if they can crack the price threshold where shoppers are willing to pay for shipping with an added service. But, free shipping remains king.      Social ads and retargeting: they are working, but do they turn off consumers? That’s the big question. Every retailer we spoke with during a roundtable on the topic said that social ads and retargeting (where that pair of boots you’re been eyeing on a site magically follows you around the Internet) work and are meeting campaign goals. The larger question many retailers are asking is if this type of tactic is turning off a large number of shoppers, even if these campaigns are meeting their early goals. Retailers also mentioned that Facebook ads are working very well for them, especially when it comes to new customer acquisition, serving as a complimentary a channel to SEO when it comes to engaging new customers. While there are always new things to experiment with in retail, standard challenges are top of mind as retailers scramble to get ready for holiday. It will undoubtedly be another record-breaking online shopping season, but as retailers get more and more advanced with each Black Friday, expect some exciting things. This excitement needs to be backed by sound solutions and optimized operations. Then again, consumers are expecting more than ever, so I don’t doubt that retailers are already thinking about the possibilities of holiday 2015… and beyond. Customers who read this article, also found value in the following stories: Personalization for Retail: http://blogs.oracle.com/retail/entry/personalization_for_retailShop Direct User Experience Focus Drives Sales:https://blogs.oracle.com/retail/entry/shop_direct_user_experience_focusMaking Waves: Australian Online Retailer SurfStitch: https://blogs.oracle.com/oracleretail/entry/surf_stitchWhat’s new in Oracle Commerce v11.1 for RetailWhat the Content+Commerce Equation is Missing

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  • Game engine IDE template [on hold]

    - by Spencer Killen
    Hey so I'm working on a fairly basic javascript game, and it's beginning to get to the point where my 'engine' to which I wrote, is difficult to manage in an all text environment, Iv already thought of using a javascript IDE like jet brains, but i was wondering if I could go 1 step further and have use a piece of software to purpose as an IDE and have a customizable GUI that I could use to automate class construction and such, for example, I have it set up right now so that everytime I want to create a new block (it's a platformer) I must copy a text file and fill in all the setting such as bounding box, sprite ect, it would be a lot easier if I could press a button and have a menu apear where I would fill in these values (I have a game maker background) is there software like this? If not what are some similar solutions to my problem?

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  • in ubuntu 11.10 IDE like dreamweaver for PHP with design mode

    - by pkachhia
    I know that this question is already asked here, but I did not find any free IDE like dreamweaver which have facility to view design mode with PHP+HTML code. I am previously worked on windows machine and used dreamweave, now I moved to ubuntu 11.10 and I need IDE like dreamweaver. Currently I have used Geany and Eclipse but none of them has facility of design mode. Is there any add-on available for Geany or Eclipse then please give it link to me. I am new to ubuntu so, did not have much knowledge of it and because of it I am here for answer. Thanks in advance. Pkachhia

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  • Reduced Tree View in NetBeans IDE 7.2

    - by Geertjan
    Right-click within the Projects window in NetBeans IDE 7.2 and from the "View Java Packages As" menu, you can now choose "Reduced Tree".I never really understood the difference between "Reduced Tree" and the already existing "Tree". But it makes sense when you see it. Here's Reduced Tree view: And here's Tree view, where you can see that the "actions" and "nodes" packages above each have their own top level package nodes, which takes up more space than the above: What's cool is that your selected package view is persisted across restarts of the IDE. To be complete, here's the List view, which is the third option you have in the "View Java Packages As" menu: Seems to me like the new Reduced Tree view combines the best of the Tree view with the best of the List view! Related issue: http://netbeans.org/bugzilla/show_bug.cgi?id=53192

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  • Customizable Method Bodies in NetBeans IDE 7.3

    - by Geertjan
    In NetBeans IDE 7.3, bodies of newly created methods can now be customized in Tools/Templates/Java/Code Snippets, see below: The content of the first of the two above, "Generated Method Body", is like this: <#-- A built-in Freemarker template (see http://freemarker.sourceforge.net) used for filling the body of methods generated by the IDE. When editing the template, the following predefined variables, that will be then expanded into the corresponding values, could be used together with Java expressions and comments: ${method_return_type}       a return type of a created method ${default_return_value}     a value returned by the method by default ${method_name}              name of the created method ${class_name}               qualified name of the enclosing class ${simple_class_name}        simple name of the enclosing class --> throw new java.lang.UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. The second one, "Overriden Methody Body", is as follows: <#-- A built-in Freemarker template (see http://freemarker.sourceforge.net) used for filling the body of overridden methods generated by the IDE. When editing the template, the following predefined variables, that will be then expanded into the corresponding values, could be used together with Java expressions and comments: ${super_method_call}        a super method call ${method_return_type}       a return type of a created method ${default_return_value}     a value returned by the method by default ${method_name}              name of the created method ${class_name}               qualified name of the enclosing class ${simple_class_name}        simple name of the enclosing class --> <#if method_return_type?? && method_return_type != "void"> return ${super_method_call}; //To change body of generated methods, choose Tools | Templates. <#else> ${super_method_call}; //To change body of generated methods, choose Tools | Templates. </#if>

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  • Integrating Amazon S3 in Java via NetBeans IDE

    - by Geertjan
    To continue from yesterday, let's set up a scenario that enables us to make use of this drag/drop service in NetBeans IDE: The above service is applicable to Amazon S3, an Amazon storage provider that is typically used to store large binary files. In Amazon S3, every object stored is contained in a bucket. Buckets partition the namespace of objects stored in Amazon S3. More on buckets here. Let's use the tools in NetBeans IDE to create a Java application that accesses our Amazon S3 buckets. Create a Java application named "AmazonBuckets" with a main class named "AmazonBuckets". Open the main class and then drag the above service into the main method of the class. Now, NetBeans IDE will create all the other classes and the properties file that you see in the screenshot below. The first thing to do is to open the properties file above and enter the access key and secret: access_key=SOMETHINGsecret=SOMETHINGELSE Now you're all set up. Make sure to, of course, actually have some buckets available: Then rewrite the Java class to parse the XML that is returned via the generated code: package amazonbuckets;import java.io.ByteArrayInputStream;import java.io.IOException;import javax.xml.parsers.DocumentBuilder;import javax.xml.parsers.DocumentBuilderFactory;import javax.xml.parsers.ParserConfigurationException;import org.netbeans.saas.amazon.AmazonS3Service;import org.netbeans.saas.RestResponse;import org.w3c.dom.DOMException;import org.w3c.dom.Document;import org.w3c.dom.Node;import org.w3c.dom.NodeList;import org.xml.sax.InputSource;import org.xml.sax.SAXException;public class AmazonBuckets {    public static void main(String[] args) {        try {            RestResponse result = AmazonS3Service.getBuckets();            String dataAsString = result.getDataAsString();            DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();            DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();            Document doc = dBuilder.parse(                    new InputSource(new ByteArrayInputStream(dataAsString.getBytes("utf-8"))));            NodeList bucketList = doc.getElementsByTagName("Bucket");            for (int i = 0; i < bucketList.getLength(); i++) {                Node node = bucketList.item(i);                System.out.println("Bucket Name: " + node.getFirstChild().getTextContent());            }        } catch (IOException | ParserConfigurationException | SAXException | DOMException ex) {        }    }}That's all. This is simpler to setup than the scenario described yesterday. Also notice that there are other Amazon S3 services you can interact with from your Java code, again after generating a heap of code after drag/drop into a Java source file: I tried the above, e.g., I created a new Amazon S3 bucket after dragging "createBucket", adding my credentials in the properties file, and then running the code that had been created. I.e., without adding a single line of code I was able to programmatically create new buckets. The above outlines a handy set of tools and techniques to use if you want to let your users store and access data in Amazon S3 buckets directly from the application you've created for them.

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  • Presentation Plugin for NetBeans IDE 7.2

    - by Geertjan
    I got some excellent help from Mark Stephens, who is from IDR Solutions, which produces JPedal. Using the LGPL version of JPedal, and code provided by Mark, it's now possible to right-click the node that appears in the Presentation Window: ...after which, using a file browser (to locate a file on disk) or a URL (a very simple check is done, the URL must start with "http" and end with "pdf"), you can now open PDF files as images (thanks to conversion from PDF to images done by JPedal) into NetBeans IDE, typically (I imagine) for presentation purposes: Note that you should consider the plugin in "alpha" state. But, despite that, I've had good results. Try it and use the URL below, as a control test (since it works fine for me), which produces the result shown above: http://edu.netbeans.org/contrib/slides/netbeans-platform/presentation-4-actions.pdf  However, for some PDFs, the plugin doesn't work, and I don't know why yet (trying to figure it out with Mark), resulting in this stack trace: java.lang.ArrayIndexOutOfBoundsException: 8 at org.jpedal.objects.acroforms.formData.SwingData.completeField(Unknown Source) at org.jpedal.objects.acroforms.rendering.DefaultAcroRenderer.createField(Unknown Source) at org.jpedal.objects.acroforms.rendering.DefaultAcroRenderer.createDisplayComponentsForPage(Unknown Source) at org.jpedal.PDFtoImageConvertor.convert(Unknown Source) at org.jpedal.PdfDecoder.getPageAsImage(Unknown Source) at org.jpedal.PdfDecoder.getPageAsImage(Unknown Source) Here's the location of the plugin, install it into NetBeans IDE 7.2; feedback is very welcome: http://plugins.netbeans.org/plugin/44525

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  • Groovy Grapes in NetBeans IDE

    - by Geertjan
    The start of Groovy Grapes support in NetBeans IDE. Below you see a pure Groovy project, with the Groovy JAR and the Ivy JAR automatically on its classpath. There's also a Groovy script that makes use of a @Grab annotation. In the bottom left, in the Services window, you also see a Grape Repository browser, i.e., showing you the JARs that are currently in ".groovy/grapes". Click the images below to get a better look at them. Next, you see what happens when the project is run. The @Grab annotation automatically starts downloading the JARs that are needed and puts them into the ".groovy/grapes" folder. However, the "no suitable classloader found for grab" error message (which Google shows is a problem for lots of developers) prevents the application from running successfully: The final screenshot shows that I've put the JARs that I need onto the classpath of the project. I did that manually, hoping to learn from the NetBeans Maven project or the NetBeans Gradle project how to do that automatically. Also note that the @Grab annotation has been commented out. Now the error message about the classloader is avoided and the project runs. What needs to happen for Groovy Grapes support to be complete in NetBeans IDE: Figure out how to add the downloaded JARs to the project classpath automatically. Fix the refresh problem in the Grape Repository browser, i.e., right now the refresh doesn't happen automatically yet. Hopefully find a way to get around the grab classloader problem, i.e., it's not ideal that one needs to comment out the annotation. Let the user specify a different Grape repository, i.e., right now ".groovy/grapes" is assumed, but the user should be able to point the repository browser to something different. Maybe there should be support for multiple Grape repositories? Comments/feedback/help is welcome.

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  • Integrating Amazon EC2 in Java via NetBeans IDE

    - by Geertjan
    Next, having looked at Amazon Associates services and Amazon S3, let's take a look at Amazon EC2, the elastic compute cloud which provides remote computing services. I started by launching an instance of Ubuntu Server 14.04 on Amazon EC2, which looks a bit like this in the on-line AWS Management Console, though I whitened out most of the details: Now that I have at least one running instance available on Amazon EC2, it makes sense to use the services that are integrated into NetBeans IDE:  I created a new application with one class, named "AmazonEC2Demo". Then I dragged the "describeInstances" service that you see above, with the mouse, into the class. Then the IDE automatically created all the other files you see below, i.e., 4 Java classes and one properties file: In the properties file, register the access ID and secret keys. These are read by the other generated Java classes. Signing and authentication are done automatically by the code that is generated, i.e., there's nothing generic you need to do and you can immediately begin working on your domain-specific code. Finally, you're now able to rewrite the code in "AmazonEC2Demo" to connect to Amazon EC2 and obtain information about your running instance: public class AmazonEC2Demo { public static void main(String[] args) { String instanceId1 = "i-something"; RestResponse result; try { result = AmazonEC2Service.describeInstances(instanceId1); System.out.println(result.getDataAsString()); } catch (IOException ex) { Logger.getLogger(AmazonEC2Demo.class.getName()).log(Level.SEVERE, null, ex); } } } From the above, you'll receive a chunk of XML with data about the running instance, it's name, status, dates, etc. In other words, you're now ready to integrate Amazon EC2 features directly into the applications you're writing, without very much work to get started. Within about 5 minutes, you're working on your business logic, rather than on the generic code that anyone needs when integrating with Amazon EC2.

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  • Best choice for a personal "online backup" in Europe

    - by marc_s
    I'm looking for an online backup solution for personal use - besides all the usual requirements (like not too expensive, since it's for personal use), I'd like to add two requirements to it: data center should be in Europe (I don't want my personal data stored in the US, when the next crazed president comes along and wants to confiscate and rifle through everybody's files.....) the online backup store should be accessible through a drive letter in cmd.exe So far, I've looked at a few services, but none have totally convinced me: Dropbox is looking ok, but they insist on creating a silly "My Dropbox" directory in my data path - and there's no way I can choose that name. Sorry - "My everything" is for dummies - I don't like that, I like to name my files and folders according to my liking LiveDrive is OK, too - they offer European storage, drive letter and all - but those drive letters are only available in the Windows Explorer - and not on the cmd.exe command line :-( and since I do 99% of my work on the command line, this is a major drawback..... Any other services I haven't looked at worth checking out? Marc

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  • Unlimited and multi-computer online storage solutions with automatic backup

    - by JRL
    As the title says, what are the existing online storage solutions that provide: unlimited storage automatic backup and allow for an unlimited number of computers (use not tied to a single computer)? There are several existing questions on this site related to online storage solutions, but none that is specifically targeted to what I want, so I thought I'd ask the question. This wikipedia article lists some of them, are there others? How do they compare in terms of price, feature set and ease of use? Update: Kinda disappointed no one has any answers to this so far. JungleDisk looks promising, anyone have experience with it? Update 2: To answer the comments, what I'm looking for definitely DOES exist. These solutions all seem to fit the bill: BackMii CrashPlan DataPreserve Humyo JungleDisk KeepVault SpiderOak And some of them are quite cheap (CrashPlan is $100 a year). For unlimited space and computers, I'd say that's pretty good. Does anyone have experience with CrashPlan or any other of the above solutions?

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  • Synology DS210j & online backup: what do people recommend?

    - by Dean
    I've just purchased a Synology DS210j for my home network and would like to backup this NAS online. I noticed that DiskStation Manager v2.3 provides various options including Amazon S3 and rsync: Does anybody have some real usage against cost statistics for Amazon's S3 service? How is sensitive data protected on Amazon S3? Are there any rsync online backup options? If so, what do people recommend? UPDATE: I am still unable to find any decent answers to the above questions, can anybody help me out?

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  • how to set environment variable in eric IDE

    - by ng0323
    I have no problem running a python script from the terminal, but in eric IDE, I am getting this error: ImportError libcudart.so.6.0: cannot open shared object file: No such file or directory Perhaps it's an enviroment variable that needs to be set. In eric, when I run script, I filled in the environment option as follows. I tried set PATH = usr/local/cuda-6.0/bin or PATH = /usr/local/cuda-6.0/bin or just /usr/local/cuda-6.0/bin and they all didn't work.

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  • Best IDE for HTML, CSS, and Javascript for mac [closed]

    - by jon2512chua
    I'm currently looking to move to using an IDE for web development. The options I'm considering are: Aptana Studio Coda Expresso Please base your answers on the following criteria, in descending order of importance: Supports HTML, CSS, JavaScript Powerful (having good code completion, good debugger, great syntax highlighting etc) Fast and light Supports HTML5, CSS3, and major JavaScript frameworks (JQuery or YUI) Great design (both usability and aesthetics) Supports PHP, Ruby, and Python Has Git integrated I've updated the question to be more objective. I'm mainly looking for an answer that addresses how well each of the IDEs addresses my criteria.

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