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• Mini Theater at OTN Lounge During JavaOne

  - by Tori Wieldt

  This year, the Oracle Technology Network Lounge at JavaOne will be in the Hilton Ballroom, right in the center of theJavaOne DEMOgrounds. We'll have Java experts, community members and OTN staff to answer your questions. We've also even created a "Mini Theater" for casual demos from community members and Oracle staff. We are keeping the slots short, there will be no tests afterwards. It's your chance to talk to the experts 1 on 1. See how easy it is to turn on a lightbulb with Java and a violin. Here is the full schedule: Monday, October 1 9:40-9:50am  Learn about the Oracle Social Network Developer Challenge 11:20-11:30  Update from the Oracle Academy 11:40-11:50  Caroline Kvitka, @OracleJavaMag, Editor-in-Chief of Java Magazine 12:00-12:20pm  SouJava demonstrates Duke's Choice Award Winner JHome 12:20-12:30pm  Geertjan Wielenga (@geertjanw) Shows What's new in NetBeans 12:40-12:50pm  Learn about the OSN Developer Challenge  2:00-2:10pm  Java.net Robotics  2:30-2:40pm  Geertjan Wielenga (@geertjanw) Java EE and NetBeans Tuesday, October 2 9:40-9:50am  Greenfoot/Kinect demo by Michael Kolling 11:20-11:30  Caroline Kvitka, @OracleJavaMag, Editor-in-Chief of Java Magazine 11:40-11:50  Stephen Chin and Jim Weaver, Top Ten JavaFX Features 12:00-12:10pm  Nokia Student Developer 12:20-12:30pm Arun Gupta, HTML 5 and Java EE 7 1:00-1:10pm Update on the Java Community Process (JCP) 1:20-1:30pm  Update from the Oracle Academy  2:00-2:10pm  Java.net Robotics  2:30-2:40pm  Geertjan Wielenga (@geertjanw) NetBeans Java Editor Wednesday, October 3 9:40-9:50am  Greenfoot/Kinect demo by Michael Kolling 11:00-11:10  Caroline Kvitka, @OracleJavaMag, Editor-in-Chief of Java Magazine 11:20-11:30  Angela Caicedo and Jim Weaver, Leveraging JavaFX and HTML5 12:00-12:10pm  Nokia Student Developer 12:10-12:30pm  SouJava demonstrates Duke's Choice Award Winner JHome  2:00-2:10pm  Stephen Chin and Jim Weaver, JavaFX Deployment with Self-Contained Apps  2:30-2:40pm  Geertjan Wielenga (@geertjanw) NetBeans Platform  2:50-3:00pm  Petr Jiricka, Project Easel Changes to this schedule will be announced on @JavaOneConf.

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• Move Window Buttons Back to the Right in Ubuntu 10.04

  - by Trevor Bekolay

  One of the more controversial changes in the Ubuntu 10.04 beta is the Mac OS-inspired change to have window buttons on the left side. We’ll show you how to move the buttons back to the right. Before While the change may or may not persist through to the April 29 release of Ubuntu 10.04, in the beta version the maximize, minimize, and close buttons appear in the top left of a window. How to move the window buttons The window button locations are dictated by a configuration file. We’ll use the graphical program gconf-editor to change this configuration file. Press Alt+F2 to bring up the Run Application dialog box, enter “gconf-editor” in the text field, and click on Run. The Configuration Editor should pop up. The key that we want to edit is in apps/metacity/general. Click on the + button next to the “apps” folder, then beside “metacity” in the list of folders expanded for apps, and then click on the “general” folder. The button layout can be changed by changing the “button_layout” key. Double-click button_layout to edit it. Change the text in the Value text field to: menu:maximize,minimize,close Click OK and the change will occur immediately, changing the location of the window buttons in the Configuration Editor. Note that this ordering of the window buttons is slightly different than the typical order; in previous versions of Ubuntu and in Windows, the minimize button is to the left of the maximize button. You can change the button_layout string to reflect that ordering, but using the default Ubuntu 10.04 theme, it looks a bit strange. If you plan to change the theme, or even just the graphics used for the window buttons, then this ordering may be more natural to you. After After this change, all of your windows will have the maximize, minimize, and close buttons on the right. What do you think of Ubuntu 10.04’s visual change? Let us know in the comments! Similar Articles Productive Geek Tips Move a Window Without Clicking the Titlebar in UbuntuBring Misplaced Off-Screen Windows Back to Your Desktop (Keyboard Trick)Keep the Display From Turning Off on UbuntuPut Close/Maximize/Minimize Buttons on the Left in UbuntuAllow Remote Control To Your Desktop On Ubuntu TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 PCmover Professional SpeedyFox Claims to Speed up your Firefox Beware Hover Kitties Test Drive Mobile Phones Online With TryPhone Ben & Jerry’s Free Cone Day, 3/23/10 New Stinger from McAfee Helps Remove ‘FakeAlert’ Threats Google Apps Marketplace: Tools & Services For Google Apps Users

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• Keyboard Shortcuts in Oracle SQL Developer

  - by thatjeffsmith

  The CTRL key, which stands for ConTRoL…aw, the good ole days What keyboard shortcuts should EVERY Oracle SQL Developer user know? How do you find new shortcuts to master, and how do you change them to match ones you’ve already learned in other tools? These are the driving questions for today’s post. While some of us may be keyboard ninjas, and others are more driven to use the mouse – everyone has probably picked up a few strategic keyboard shortcuts over the years. For example, I’ve personally JUST memorized the Cmd-Shift-4 ‘trick’ in Mac OS X. And of course we all know what F1 does, right? Right?!? Here are a few more keyboard shortcuts to commit to memory. My Favorite SQL Developer Shortcuts ctrl-enter : executes the current statement(s) F5 : executes the current code as a script (think SQL*Plus) ctrl-space : invokes code insight on demand Code Editor – Completion Insight – Enable Completion Auto-Popup (Keyword being Auto) ctrl-Up/Dn : replaces worksheet with previous/next SQL from SQL History ctrl-shift+Up/Dn : same as above but appends instead of replaces shift+F4 : opens a Describe window for current object at cursor ctrl+F7 : format SQL ctrl+/ : toggles line commenting ctrl+e : incremental search Configuring Keyboard Shortcuts in SQL Developer Tools Preferences Shortcut Keys Search by command name OR the keystroke itself Some tips… Sort by category Pay special attention to the ‘Code Editor’ and ‘Other’ categories Mind the conflicts when you change the defaults Be nice – share! You can save your new mappings with your co-workers using the Export and Import buttons Click on ‘More Actions’ to expose the Import and Export buttons When I get ‘bored’ or if I think I might be missing something, I peruse the Code Editor and Other categories, again! I’ve picked up quite a few cool editor tricks here. Then I blog about them, like they’re ‘magic.’ #EvilLaugh But the main tip is this – don’t let your previously memorized keyboard shortcuts SHORTCUT your usage of SQL Developer. If your fingers have already memorized some keystrokes, just re-program SQL Developer to match! What’s your favorite shortcut? I’ll use the most popular shortcut mentioned in the comments to round out my Top 10 list above!

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• Usergroups in london this week

  - by simonsabin

  Don’t forget there are 2 usergroup meetings in London this week. The first is on service broker (by far the best but under used feature in SQL Server IMHO) and resource governor. This one is in Victoria on Wednesday http://sqlserverfaq.com/events/216/Service-Broker-Intro-Terminology-Design-Considerations-Monitoring-and-Controlling-Resources-in-SQL-Server-Resource-Governor-Data-Collector.aspx Then on Thursday Hitatchi Consulting are hosting a BI evening on DAX in Powerpivot and a case study in high...(read more)

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• Coding different states in Adventure Games

  - by Cardin

  I'm planning out an adventure game, and can't figure out what's the right way to implement the behaviour of a level depending on state of story progression. My single-player game features a huge world where the player has to interact with people in a town at various points in the game. However, depending on story progression, different things would be presented to the player, for e.g. the Guild Leader will change locations from the town square to various locations around the city; Doors would only unlock at certain times of the day after finishing a particular routine; Different cut-screen/trigger events happen only after a particular milestone has been reached. I naively thought of using a switch{} statement initially to decide what the NPC should say or which he could be found at, and making quest objectives interact-able only after checking a global game_state variable's condition. But I realised I would quickly run into a lot of different game states and switch-cases in order to change the behaviour of an object. That switch statement would also be massively hard to debug, and I guess it might also be hard to use in a level editor. So I thought, instead of having a single object with multiple states, maybe I should have multiple instances of the same object, with a single state. That way, if I use something like a level editor, I can put an instance of the NPC at all the different locations he could ever appear at, and also an instance for each conversation state he has. But that means there'll be a lot of inactive, invisible game objects floating around the level, which might be trouble for memory, or simply hard to see in a level editor, i don't know. Or simply, make an identical, but separate level for each game state. This feels the cleanest and bug-free way to do things, but it feels like massive manual work making sure each version of the level is really identical to each other. All my methods feel so inefficient, so to recap my question, is there a better or standardised way to implement behaviour of a level depending on state of story progression? PS: I don't have a level editor yet - thinking of using something like JME SDK or making my own.

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• ASP.NET MVC 3 Hosting :: MVC 2 Strongly Typed HTML Helper and Enhanced Validation Sample

  - by mbridge

  In lue of the off the official release of ASP.NET MVC 2 RTM, I decided I would put together a quick sample of the enhanced HTML.Helpers and validation controls. I am going to use my sample event site where I will have a form so a user can search for information about a certain events. So when the Search page loads the Search action is fired return my strongly typed model. to the view.    1: [HttpGet]    2: public ViewResult Search(): public ViewResult Search()    3: {    4:     IList<EventsModel> result = _eventsService.GetEventList();    5:     var viewModel = new EventSearchModel    6:                         {    7:                             EventList = new SelectList(result, "EventCode","EventName","Select Event")    8:                         };    9:     return View(viewModel);  10: } Nothing special here, although I did want to show how to load up a strongly typed drop down list because that hung me up for a little bit. So to that, I am going to pass back a SelectList to the view and my HTML helper should no how to load this. So lets take a look at the mark up for the view.    1: <%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master"    2: Inherits="System.Web.Mvc.ViewPage<EventsSample.Models.EventSearchModel>" %>    3:     4: <asp:Content ID="Content1" ContentPlaceHolderID="TitleContent" runat="server">    5:     Search    6: </asp:Content>    7:     8: <asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server">    9:   10:     <h2>Search for Events</h2>  11:   12:     <% using (Html.BeginForm("Search","Events")) {%>  13:         <%= Html.ValidationSummary(true) %>  14:          15:         <fieldset>  16:             <legend>Fields</legend>  17:              18:             <div class="editor-label">  19:                 <%= Html.LabelFor(model => model.EventNumber) %>  20:             </div>  21:             <div class="editor-field">  22:                 <%= Html.TextBoxFor(model => model.EventNumber) %>  23:                 <%= Html.ValidationMessageFor(model => model.EventNumber) %>  24:             </div>  25:              26:             <div class="editor-label">  27:                 <%= Html.LabelFor(model => model.GuestLastName) %>  28:             </div>  29:             <div class="editor-field">  30:                 <%= Html.TextBoxFor(model => model.GuestLastName) %>  31:                 <%= Html.ValidationMessageFor(model => model.GuestLastName) %>  32:             </div>  33:              34:             <div class="editor-label">  35:                 <%= Html.LabelFor(model => model.EventName) %>  36:             </div>  37:             <div class="editor-field">  38:                 <%= Html.DropDownListFor(model => model.EventName, Model.EventList,"Select Event") %>  39:                 <%= Html.ValidationMessageFor(model => model.EventName) %>  40:             </div>  41:              42:             <p>  43:                 <input type="submit" value="Save" />  44:             </p>  45:         </fieldset>  46:   47:     <% } %>  48:   49:     <div>  50:         <%= Html.ActionLink("Back to List", "Index") %>  51:     </div>  52:   53: </asp:Content> A nice feature is the scaffolding that MVC has to generate code. I simply right clicked inside my Search() action, inside the EventsController and selected “Add View” and then I selected my strongly typed object that I wanted to pass to the view and also selected that I wanted the content type be “Edit”. With that the aspx page was completely generated, although I did have to go back in and change the textbox for the Event Names to a drop down list of the names to select from. The new feature with MVC 2 are the strongly typed HTML helpers. So now, my textboxes, drop down list, and validation helpers are all strongly typed to my model.  This features gives you the benefits of intellisense and also makes it easier to debug. “The Gu” has a great post about the feature in case you want more details. The DropDownListFor function to generate the drop down list was a little tricky for me. You first need to use a Lanbda expression to pass in the property you want the selected value assigned to in your model, and then you need to pass in the list directly from the model. Validations To validate the form, you can use the strongly type validation HTML helpers which will inspect your model and return errors if the validation fails. The definitions of these rules are set directly on the Model itself so lets take a look.    1: using System.ComponentModel.DataAnnotations;    2: using System.Web.Mvc;    3:     4: namespace EventsSample.Models    5: {    6:     public class EventSearchModel    7:     {    8:         [Required(ErrorMessage = "Please enter the event number.")]    9:         [RegularExpression(@"\w{6}",  10:             ErrorMessage = "The Event Number must be 6 letters and/or numbers.")]  11:         public string EventNumber { get; set; }  12:   13:         [Required(ErrorMessage = "Please enter the guest's last name.")]  14:         [RegularExpression(@"^[A-Za-zÀ-ÖØ-öø-ÿ1-9 '\-\.]{1,22}$",  15:             ErrorMessage = "The gueest's last name must 1 to 20 characters.")]  16:         public string GuestLastName { get; set; }  17:   18:         public string EventName { get; set; }  19:         public SelectList EventList { get; set; }  20:     }  21: } Pretty cool! Okay, the only thing left to do is perform the validation in the POST action.    1: [HttpPost]    2: public ViewResult Search(EventSearchModel eventSearchModel)    3: {    4:     if (ModelState.IsValid) return View("SearchResults");    5:     else    6:     {    7:          IList<EventsModel> result = _eventsService.GetEventList();    8:         eventSearchModel.EventList = new SelectList(result, "EVentCode","EventName");   9:   10:         return View(eventSearchModel);  11:     }  12: }  13:     } If the form entries are valid, here I am simply displaying the SearchResult, but in a real world sample I would also go out get the results first. You get the idea though. In my case, when the form is not valid, I also had to reload my SelectList with the event names before I loaded the page again. Remember this is MVC, no _VieState here :) So that’s it. Now my form is validating the data and when it fails it looks like this.

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• dpkg is locked error even after a reboot

  - by blade19899

  I get a dpkg is locked error even after a reboot??? i can't do any apt-get related commands E: Could not lock /var/lib/apt/lists/lock is not available - open (11:Resource is temporarily unavailable) E: The directory /var/lib/apt/lists/ not lock E: Could not lock /var/lib/dpkg/lock is not available - open (11: Resource is temporarily unavailable) E: Can beheersmap (/var/lib/dpkg/) not lock. Is it in use by another process? (dutch ubuntu above err code has been translated with Google tranlsater)

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• Download the ZFSSA Objection Handling document (PDF)

  - by swalker

  View and download the new ZFS Storage Appliance objection handling document from the Oracle HW Technical Resource Centre here. This document aims to address the most common objections encountered when positioning the ZFS Storage Appliance disk systems in production environments. It will help you to be more successful in establishing the undeniable benefits of the Oracle ZFS Storage Appliance in your customers´ IT environments. If you do not already have an account to access the Oracle Hardware Technical Resource Centre, please click here and follow the instructions to register.

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• Enterprise vs Real time embedded systems

  - by JakeFisher

  In university I have 2 options for software architecture: Enterprise Real time embedded systems I would be very glad if someone can give me a brief explanation of what those are. I am interested in following criterias: Brief overview Complexity and interest. So does knowledge costs time? Area of usage Profit(salary) Working tools, programs. Might be some text editor, uml editor. Something else?

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• Questions re: Eclipse Jobs API

  - by BenCole

  Similar to http://stackoverflow.com/questions/8738160/eclipse-jobs-api-for-a-stand-alone-swing-project This question mentions the Jobs API from the Eclipse IDE: ...The disadvantage of the pre-3.0 approach was that the user had to wait until an operation completed before the UI became responsive again. The UI still provided the user the ability to cancel the currently running operation but no other work could be done until the operation completed. Some operations were performed in the background (resource decoration and JDT file indexing are two such examples) but these operations were restricted in the sense that they could not modify the workspace. If a background operation did try to modify the workspace, the UI thread would be blocked if the user explicitly performed an operation that modified the workspace and, even worse, the user would not be able to cancel the operation. A further complication with concurrency was that the interaction between the independent locking mechanisms of different plug-ins often resulted in deadlock situations. Because of the independent nature of the locks, there was no way for Eclipse to recover from the deadlock, which forced users to kill the application... ...The functionality provided by the workspace locking mechanism can be broken down into the following three aspects: Resource locking to ensure multiple operations did not concurrently modify the same resource Resource change batching to ensure UI stability during an operation Identification of an appropriate time to perform incremental building With the introduction of the Jobs API, these areas have been divided into separate mechanisms and a few additional facilities have been added. The following list summarizes the facilities added. Job class: support for performing operations or other work in the background. ISchedulingRule interface: support for determining which jobs can run concurrently. WorkspaceJob and two IWorkspace#run() methods: support for batching of delta change notifications. Background auto-build: running of incremental build at a time when no other running operations are affecting resources. ILock interface: support for deadlock detection and recovery. Job properties for configuring user feedback for jobs run in the background. The rest of this article provides examples of how to use the above-mentioned facilities... In regards to above API, is this an implementation of a particular design pattern? Which one?

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• Day of DotNetNuke Recap

  - by bdukes

  This weekend was the Day of DotNetNuke in Charlotte, NC .  I was there to present two session, along with three other Engage colleagues ( Oliver Hine and Anthony Overkamp also presented).  I was honored to be able to present on the Client Resource Management Framework and the Services Framework, two newer components in DotNetNuke (introduced in DNN 6.1 and 6.2, respectively). Making Full Use of the Client Resource Management Framework The slides are available to view at http://bdukes.github...(read more)

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• Oracle at ASMC PDI 2012

  - by jeffrey.waterman

  Recently, I had the pleasure of representing Oracle at the American Society of Military Comptrollers National Professional Development Institute (PDI).  The PDI is the premier training event for resource managers in the Department of Defense and US Coast Guard.  Each year they assemble top presenters and key note speakers to convey their experiences and share the upcoming goals and vision for the Defense Department's financial and resource management community.  This year, the common themes were centered around 'auditability' and 'efficiency'.   What is auditability?  There were many definitions/themes tossed around, but to summarize my notes, it boiled down to:- the proper tracking of funds- audit readiness- proper controls- proper documentation There were sessions regarding entire programs focused on the need for auditability.  For example, FIAR: Financial Improvement and Audit Readiness (http://comptroller.defense.gov/fiar/index.html)   The FIAR stresses the "...improve(ment of) the Department's financial processes, controls and information." The entire conference, one set of solutions kept popping into my head around, "how can Oracle's solutions assist the Department of Defense", or any other Federal Agency, improve their financial processes and controls?   One answer came to mind:  Oracle Governance, Risk, and Compliance Management. Commonly referred to as "GRC". Let me summarize the main components around Oracle's GRC solution: GRC Manager: This solution is the central repository for documenting business processes, policies, and established controls.  All identified risks and issues are documented within the repository as well as action plans necessary for mitigation. GRC Controls:  This solution consists of a set of tools which are embedded with your ERP (financial, human resource, supply chain, etc.) applications to detect, prevent, and/or enforce the policies and procedures established by your Agency.  Components of the solution include:- Application Access Control Governor: a robust tool for managing application roles and responsibilities; simplify segregation of duty maintenance- Configuration Controls Governor: complete audit trail for changes made to configurations- Transactions Control Governor: track violations of internal controls; alert management to suspicious activities; be warned when high dollar transactions are occurring on an irregular basis; - Preventative Controls Governor: prevent sensitive information from being viewed by unauthorized parties; enforce field, block, and form change control If you are in the financial or resource management community and are concerned about auditability within your organization I suggest you follow up this post by reading about Oracle's GRC solutions.  www.oracle.com/grc Please feel free to follow up with thought and questions in the comments section below.  Also, if you have a topic you would like addressed in this blog, just drop me a note at [email protected]  or leave the suggestion in the comment section as well. Thank you for reading.

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• Fireball.CodeEditor

  - by csharp-source.net

  Fireball.CodeEditor is a source editor control with syntax highlight support. It supports some common programming language and you can add your own syntax. Also on the website you can find a software called FireEdit. It is a open source small code editor with support for extensibility from plugins system, more info on the web site, join the forum and help the staff to add feature and find bugs, by testing the control or the application or by making a plugin.

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• Securing WebSocket applications on Glassfish

  - by Pavel Bucek

  Today we are going to cover deploying secured WebSocket applications on Glassfish and access to these services using WebSocket Client API. WebSocket server application setup Our server endpoint might look as simple as this: @ServerEndpoint("/echo") public class EchoEndpoint { @OnMessage   public String echo(String message) {     return message + " (from your server)";   } } Everything else must be configured on container level. We can start with enabling SSL, which will require web.xml to be added to your project. For starters, it might look as following: <web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee">   <security-constraint>     <web-resource-collection>       <web-resource-name>Protected resource</web-resource-name>       <url-pattern>/*</url-pattern>       <http-method>GET</http-method>     </web-resource-collection>     <!-- https -->     <user-data-constraint>       <transport-guarantee>CONFIDENTIAL</transport-guarantee>     </user-data-constraint>   </security-constraint> </web-app> This is minimal web.xml for this task - web-resource-collection just defines URL pattern and HTTP method(s) we want to put a constraint on and user-data-constraint defines that constraint, which is in our case transport-guarantee. More information about these properties and security settings for web application can be found in Oracle Java EE 7 Tutorial. I have some simple webpage attached as well, so I can test my endpoint right away. You can find it (along with complete project) in Tyrus workspace: [webpage] [whole project]. After deploying this application to Glassfish Application Server, you should be able to hit it using your favorite browser. URL where my application resides is https://localhost:8181/sample-echo-https/ (may be different, depends on other configuration). My browser warns me about untrusted certificate (I use what freshly built Glassfish provides - self signed certificates) and after adding an exception for this site, I can see my webpage and I am able to securely connect to wss://localhost:8181/sample-echo-https/echo. WebSocket client Already mentioned demo application also contains test client, but execution of this is skipped for normal build. Reason for this is that Glassfish uses these self-signed "random" untrusted certificates and you are (in most cases) not able to connect to these services without any additional settings. Creating test WebSocket client is actually quite similar to server side, only difference is that you have to somewhere create client container and invoke connect with some additional info. Java API for WebSocket allows you to use annotated and programmatic way to construct endpoints. Server side shows the annotated case, so let's see how the programmatic approach will look. final WebSocketContainer client = ContainerProvider.getWebSocketContainer(); client.connectToServer(new Endpoint() {   @Override   public void onOpen(Session session, EndpointConfig EndpointConfig) {     try {       // register message handler - will just print out the       // received message on standard output.       session.addMessageHandler(new MessageHandler.Whole<String>() {       @Override         public void onMessage(String message) {          System.out.println("### Received: " + message);         }       });       // send a message       session.getBasicRemote().sendText("Do or do not, there is no try.");     } catch (IOException e) {       // do nothing     }   } }, ClientEndpointConfig.Builder.create().build(),    URI.create("wss://localhost:8181/sample-echo-https/echo")); This client should work with some secured endpoint with valid certificated signed by some trusted certificate authority (you can try that with wss://echo.websocket.org). Accessing our Glassfish instance will require some additional settings. You can tell Java which certificated you trust by adding -Djavax.net.ssl.trustStore property (and few others in case you are using linked sample). Complete command line when you are testing your service might need to look somewhat like: mvn clean test -Djavax.net.ssl.trustStore=$AS_MAIN/domains/domain1/config/cacerts.jks\ -Djavax.net.ssl.trustStorePassword=changeit -Dtyrus.test.host=localhost\ -DskipTests=false Where AS_MAIN points to your Glassfish instance. Note: you might need to setup keyStore and trustStore per client instead of per JVM; there is a way how to do it, but it is Tyrus proprietary feature: http://tyrus.java.net/documentation/1.2.1/user-guide.html#d0e1128. And that's it! Now nobody is able to "hear" what you are sending to or receiving from your WebSocket endpoint. There is always room for improvement, so the next step you might want to take is introduce some authentication mechanism (like HTTP Basic or Digest). This topic is more about container configuration so I'm not going to go into details, but there is one thing worth mentioning: to access services which require authorization, you might need to put this additional information to HTTP headers of first (Upgrade) request (there is not (yet) any direct support even for these fundamental mechanisms, user need to register Configurator and add headers in beforeRequest method invocation). I filed related feature request as TYRUS-228; feel free to comment/vote if you need this functionality.

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• Enhance your Queries with Stored Functions

  HeidiSQL 4's Stored Routine Editor offers a user-friendly alternative to using a command-line interface to create and manage your stored procedures and functions. Today, we'll be learning how to take advantage of some useful native MySQL functions as well as use the editor to create our own custom functions.

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• Multiple vulnerabilities in Wireshark

  - by chandan

  CVE DescriptionCVSSv2 Base ScoreComponentProduct and Resolution CVE-2012-1593 Denial of Service (DoS) vulnerability 3.3 Wireshark Solaris 11 11/11 SRU 8.5 CVE-2012-1594 Improper Control of Generation of Code ('Code Injection') vulnerability 3.3 CVE-2012-1595 Resource Management Errors vulnerability 4.3 CVE-2012-1596 Resource Management Errors vulnerability 5.0 This notification describes vulnerabilities fixed in third-party components that are included in Sun's product distribution.Information about vulnerabilities affecting Oracle Sun products can be found on Oracle Critical Patch Updates and Security Alerts page.

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• Gedit embeded terminal showing both background and foreground in white color

  - by newuser

  I am using Ubuntu 12.04.I am using Gedit with one of the plugin called Embeded Terminal which is used to place the terminal attached at the bottom part of the Gedit.Now my problem is in that embeded terminal both the screen background and text is in white color,so its difficult to see any text there.I tried to configure the fonts in dconf editor.But there was not any good result.Here I am attaching the screenshot of the configuration of dconf editor that I have changed.So please help me to solve this.Any help will be highly appreciable.

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• NDepend 4.0 Released

  - by Anthony Trudeau

  Last week version 4.0 of NDepend was released.  NDepend is a Visual Studio add-in designed for intense code analysis with the goal of high quality code.  A month ago I wrapped up my evaluation of the previous version of NDepend. The new version contains many minor changes, several bug fixes, and adds about 50 new code rules.  The version also adds support for Visual Studio 11, .NET Framework 4.5, and SilverLight 5.0.  But, the biggest change was the shift from CQL to CQLinq. Introducing CQLinq The latest version replaces the CQL rules language with CQLinq (CQL is still an option although the editor is buried).  As you might guess CQLinq is a flavor of Linq designed specifically for the code rules. The best way to illustrate the differences is with an example.  I used the following CQL example in Part 3 of my review: WARN IF Count > 0 IN SELECT TYPES WHERE IsInterface AND !NameLike “I” This same query looks like this when implemented in CQLinq: warnif count > 0 from t in Types where t.IsInterface == true && !t.NameLike(“I”) select t I like the syntax and it is a natural fit, but I found writing the queries frustrating in the Queries and Rules Edit window.  The Queries and Rules Edit window replaces the CQL Query Edit window.  The new editor has the same style of Intellisense as the previous editor.  However, it has a few annoyances.  The error indicator is a red block.  It has the tendency of obscuring your cursor.  Additionally, writing CQLing queries is like writing plain old Linq queries, so the fact that the editor uses Enter to select from Intellisense instead of Tab is jarring.  These issues can be an obstacle to writing queries quickly.CQLinq makes it possible to write rules that weren't possible before.  Additionally, a JustMyCode domain is now possible making it easy to eliminate generated code from the analysis.Should you Buy? I recommend NDepend overall.  It has some rough points for me that I have detailed in my earlier evaluation (starting here).  But, it’s definitely worth the money.  The bigger question is: should I pay for the upgrade to 4.0?  At this point I’m on the fence, but I would go for it if you need support for Visual Studio 2011, .NET Framework 4.5, or Silverlight 5.0; or if you need one of the many rules that weren't possible before CQLinq. Disclaimer: Patrick Smacchia contacted me about reviewing NDepend. I received a free license in return for sharing my experiences and talking about the capabilities of the add-in on this site. There is no expectation of a positive review elicited from the author of NDepend. Resources: NDepend Release Notes

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• Difference between Emacs metapackage and Emacs

  - by roseck

  I have the following sources enabled: main, universe, restricted and multiverse. On Ubuntu Software Center on 11.10 I see two packages for Emacs: The GNU Emacs editor (metapackage) The GNU Emacs editor What is the difference between metapackage version and non-metapackage one? By the way, this thread What differences are there between the various version of Emacs available? also explains the difference between two Emacs versions: Emacs and Emacs-snapshot, and interestingly I don't see these packages now on my Ubuntu Software Center.

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• OData &ndash; The easiest service I can create: now with updates

  - by Jon Dalberg

  The other day I created a simple NastyWord service exposed via OData. It was read-only and used an in-memory backing store for the words. Today I’ll modify it to use a file instead of a list and I’ll accept new nasty words by implementing IUpdatable directly. The first thing to do is enable the service to accept new entries. This is done at configuration time by adding the “WriteAppend” access rule: 1: public class NastyWords : DataService<NastyWordsDataSource> 2: { 3: // This method is called only once to initialize service-wide policies. 4: public static void InitializeService(DataServiceConfiguration config) 5: { 6: config.SetEntitySetAccessRule("*", EntitySetRights.AllRead | EntitySetRights.WriteAppend); 7: config.DataServiceBehavior.MaxProtocolVersion = DataServiceProtocolVersion.V2; 8: } 9: }   Next I placed a file, NastyWords.txt, in the “App_Data” folder and added a few *choice* words to start. This required one simple change to our NastyWordDataSource.cs file: 1: public NastyWordsDataSource() 2: { 3: UpdateFromSource(); 4: } 5:   6: private void UpdateFromSource() 7: { 8: var words = File.ReadAllLines(pathToFile); 9: NastyWords = (from w in words 10: select new NastyWord { Word = w }).AsQueryable(); 11: }   Nothing too shocking here, just reading each line from the NastyWords.txt file and exposing them. Next, I implemented IUpdatable which comes with a boat-load of methods. We don’t need all of them for now since we are only concerned with allowing new values. Here are the methods we must implement, all the others throw a NotImplementedException: 1: public object CreateResource(string containerName, string fullTypeName) 2: { 3: var nastyWord = new NastyWord(); 4: pendingUpdates.Add(nastyWord); 5: return nastyWord; 6: } 7:   8: public object ResolveResource(object resource) 9: { 10: return resource; 11: } 12:   13: public void SaveChanges() 14: { 15: var intersect = (from w in pendingUpdates 16: select w.Word).Intersect(from n in NastyWords 17: select n.Word); 18:   19: if (intersect.Count() > 0) 20: throw new DataServiceException(500, "duplicate entry"); 21:   22: var lines = from w in pendingUpdates 23: select w.Word; 24:   25: File.AppendAllLines(pathToFile, 26: lines, 27: Encoding.UTF8); 28:   29: pendingUpdates.Clear(); 30:   31: UpdateFromSource(); 32: } 33:   34: public void SetValue(object targetResource, string propertyName, object propertyValue) 35: { 36: targetResource.GetType().GetProperty(propertyName).SetValue(targetResource, propertyValue, null); 37: }   I use a simple list to contain the pending updates and only commit them when the “SaveChanges” method is called. Here’s the order these methods are called in our service during an insert: CreateResource – here we just instantiate a new NastyWord and stick a reference to it in our pending updates list. SetValue – this is where the “Word” property of the NastyWord instance is set. SaveChanges – get the list of pending updates, barfing on duplicates, write them to the file and clear our pending list. ResolveResource – the newly created resource will be returned directly here since we aren’t dealing with “handles” to objects but the actual objects themselves. Not too bad, eh? I didn’t find this documented anywhere but a little bit of digging in the OData spec and use of Fiddler made it pretty easy to figure out. Here is some client code which would add a new nasty word: 1: static void Main(string[] args) 2: { 3: var svc = new ServiceReference1.NastyWordsDataSource(new Uri("http://localhost.:60921/NastyWords.svc")); 4: svc.AddToNastyWords(new ServiceReference1.NastyWord() { Word = "shat" }); 5:   6: svc.SaveChanges(); 7: }   Here’s all of the code so far for to implement the service: 1: using System; 2: using System.Collections.Generic; 3: using System.Data.Services; 4: using System.Data.Services.Common; 5: using System.Linq; 6: using System.ServiceModel.Web; 7: using System.Web; 8: using System.IO; 9: using System.Text; 10:   11: namespace ONasty 12: { 13: [DataServiceKey("Word")] 14: public class NastyWord 15: { 16: public string Word { get; set; } 17: } 18:   19: public class NastyWordsDataSource : IUpdatable 20: { 21: private List<NastyWord> pendingUpdates = new List<NastyWord>(); 22: private string pathToFile = @"path to your\App_Data\NastyWords.txt"; 23:   24: public NastyWordsDataSource() 25: { 26: UpdateFromSource(); 27: } 28:   29: private void UpdateFromSource() 30: { 31: var words = File.ReadAllLines(pathToFile); 32: NastyWords = (from w in words 33: select new NastyWord { Word = w }).AsQueryable(); 34: } 35:   36: public IQueryable<NastyWord> NastyWords { get; private set; } 37:   38: public void AddReferenceToCollection(object targetResource, string propertyName, object resourceToBeAdded) 39: { 40: throw new NotImplementedException(); 41: } 42:   43: public void ClearChanges() 44: { 45: pendingUpdates.Clear(); 46: } 47:   48: public object CreateResource(string containerName, string fullTypeName) 49: { 50: var nastyWord = new NastyWord(); 51: pendingUpdates.Add(nastyWord); 52: return nastyWord; 53: } 54:   55: public void DeleteResource(object targetResource) 56: { 57: throw new NotImplementedException(); 58: } 59:   60: public object GetResource(IQueryable query, string fullTypeName) 61: { 62: throw new NotImplementedException(); 63: } 64:   65: public object GetValue(object targetResource, string propertyName) 66: { 67: throw new NotImplementedException(); 68: } 69:   70: public void RemoveReferenceFromCollection(object targetResource, string propertyName, object resourceToBeRemoved) 71: { 72: throw new NotImplementedException(); 73: } 74:   75: public object ResetResource(object resource) 76: { 77: throw new NotImplementedException(); 78: } 79:   80: public object ResolveResource(object resource) 81: { 82: return resource; 83: } 84:   85: public void SaveChanges() 86: { 87: var intersect = (from w in pendingUpdates 88: select w.Word).Intersect(from n in NastyWords 89: select n.Word); 90:   91: if (intersect.Count() > 0) 92: throw new DataServiceException(500, "duplicate entry"); 93:   94: var lines = from w in pendingUpdates 95: select w.Word; 96:   97: File.AppendAllLines(pathToFile, 98: lines, 99: Encoding.UTF8); 100:   101: pendingUpdates.Clear(); 102:   103: UpdateFromSource(); 104: } 105:   106: public void SetReference(object targetResource, string propertyName, object propertyValue) 107: { 108: throw new NotImplementedException(); 109: } 110:   111: public void SetValue(object targetResource, string propertyName, object propertyValue) 112: { 113: targetResource.GetType().GetProperty(propertyName).SetValue(targetResource, propertyValue, null); 114: } 115: } 116:   117: public class NastyWords : DataService<NastyWordsDataSource> 118: { 119: // This method is called only once to initialize service-wide policies. 120: public static void InitializeService(DataServiceConfiguration config) 121: { 122: config.SetEntitySetAccessRule("*", EntitySetRights.AllRead | EntitySetRights.WriteAppend); 123: config.DataServiceBehavior.MaxProtocolVersion = DataServiceProtocolVersion.V2; 124: } 125: } 126: } Next time we’ll allow removing nasty words. Enjoy!

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• how to change gnome 3.2.6 panel background color

  - by rajeev

  I am using ubunut 12.10 with gnome-shell 3.6.2 . I want to change the background color of the panel appearing top of the screen. I am currently using following theme as described in Tweak Tool:Current Theme :AdwaitaCursor Theme: AdwaitaGtk+ Theme: Adwaita I have tried using gconf-editor and dconf-editor but none of them are showing the background color option for the panel. Can any one suggest me a solution to above ?

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• WebCenter Customer Spotlight: SICE

  - by me

  Author: Peter Reiser - Social Business Evangelist, Oracle WebCenter  Solution SummarySociedad Ibérica de Construcciones Eléctricas, S.A. (SICE) is a Spanish company specializes in engineering and technology integration for intelligent transport systems and environmental control systems. They had a large quantity of engineering and environmental planning documents  which they wanted to manage, classify and integrate with their existing enterprise resource planning (ERP) system. SICE adapted  Oracle WebCenter Content to classify and manage more than 30 different types, defined a security plan to ensure the integrity and recovery of various document types and integrated the document management solution with SICE’s third-party enterprise resource planning (ERP) system. SICE  accelerated time to market for all projects, minimized time required to identify and recover documents  and achieved greater efficiency in all operations. Company Overview Created in 1921, Sociedad Ibérica de Construcciones Eléctricas, S.A. (SICE) currently specializes in engineering and technology integration for intelligent transport systems and environmental control systems. It has more than 2,500 employees, with operations in Spain and various locations in Latin America, the United States, Africa, and Australia. Business Challenges They had a large quantity of engineering and environmental planning documents generated in research and projects which they wanted to manage, classify and integrate with their existing enterprise resource planning (ERP) system. Solution Deployed SICE worked with the Oracle Partner ABAST Solutions to evaluate and choose the best document management system, ultimately selecting Oracle WebCenter Content over other options including  Documentum, SharePoint, OpenText, and Alfresco.They adapted Oracle WebCenter Content to classify and manage more than 30 different types, defined a security plan to ensure the integrity and recovery of various document types and integrated the document management solution  with SICE’s third-party enterprise resource planning (ERP) system to accelerate incorporation with the documentation system and ensure integrity ERP system data. Business Results SICE  accelerated time to market for all projects by releasing reports and information that support and validate engineering projects, stored all documents in a single repository with organizationwide accessibility, minimizing time required to identify and recover documents needed for reports to initiate and execute engineering and building projects. Overall they achieved greater efficiency in all operations, including technical and impact report development and construction documentation management. “The correct and efficient management of information is vital to our environmental management activity. Oracle WebCenter Content  serves as a basis for knowledge management practices, with the objective of adding greater value to everything that we do.” Manuel Delgado, IT Project Engineering, Sociedad Ibérica de Construcciones Eléctricas, S.A Additional Information SICE Customer Snapshot Oracle WebCenter Content

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• Oracle’s Primavera Inspire for SAP: Aligning Business Priorities with Project Priorities

  Oracle’s Primavera Inspire for SAP integrates schedule, financial and resource information between Oracle’s Primavera project portfolio management applications and SAP’s enterprise resource planning solutions. Join Tracy Bowman, Principal Product Manager and learn how Primavera Inspire for SAP can help utilities and oil and gas companies’ complete projects on-time and within budget by providing them with a single access point for all project and portfolio related information.

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• Execute command from unity lens

  - by Vishnu V

  I am trying to create a unity lens, how to execute a command when we select an entry from unity-lens in the following code results.append(url, icon, category, mime-type, text, comment, drag and drop url) i tried to set file://, but it opens the file with text editor (if it is not readable with text editor it do nothing) Please help Thank you Vishnu V

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• Unit-testing code that relies on untestable 3rd party code

  - by DudeOnRock

  Sometimes, especially when working with third party code, I write unit-test specific code in my production code. This happens when third party code uses singletons, relies on constants, accesses the file-system/a resource I don't want to access in a test situation, or overuses inheritance. The form my unit-test specific code takes is usually the following: if (accessing or importing a certain resource fails) I assume this is a test case and load a mock object Is this poor form, and if it is, what is normally done when writing tests for code that uses untestable third party code?

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