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  • Attention Extension Developers: Your input wanted!

    - by John 'JB' Brock
    Your Input Wanted! I've posted a lot of different topics throughout 2011, and would really like to provide info that is most important to you, the extension developer, as we head for 2012. What are the most important areas that you want to learn more about? Post your requests for examples and topics in the comments section. Let me know what you are struggling with, or something that you worked out, but it took way to long to figure out.  I'll take the list and do my best to provide samples over the coming months. Please provide the version of JDeveloper that you want the topic to cover. Remember: 11gR1 = 11.1.1.x (e.g. 11.1.1.5.0) 11gR2 = 11.1.2.x (e.g. 11.1.2.1.0) Thanks in advance for your comments and suggestions.  Let's get the JDev Extension community going in 2012! --jb John "JB" BrockOracle Product Manager - JDev ESDK

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  • Weird CSS-behaviour [migrated]

    - by WMRKameleon
    <!DOCTYPE html> <html> <head> <title>PakHet</title> <link rel="stylesheet" type="text/css" href="css/basis.css" /> </head> <body> <div class="wrapper"> <div id='cssmenu'> <ul> <li class="active"><a href='index.html'><span>Start</span></a></li> <li><a href='pakhet.html'><span>Over PakHet</span></a></li> <li><a href='overons.html'><span>Over Ons</span></a></li> <li class='has-sub '><a href='#'><span>Uw pakket</span></a> <ul> <li><a href='aanmelden.php'><span>Aanmelden</span></a></li> <li><a href='traceren.php'><span>Traceren</span></a></li> </ul> </li> </ul> </div> <div class="header"> <h1>Hier komt de titel van de website</h1> </div> <div class="content"> <p>Dit is de tekst van de content. Dit is de indexpagina.</p> </div> </div> </body> </html> And this is the CSS: /* CSS RESET */ html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video, *{ margin: 0; padding: 0; border: 0; vertical-align: baseline; } table { border-collapse: collapse; border-spacing: 0; } /* Einde CSS RESET, nu echte code */ html, body{ background:url(../images/bg_picture.jpg) fixed no-repeat; } .wrapper{ margin:0 auto; } .header{ margin:0 auto; background-color:rgba(0, 0, 0, 0.4); } .content{ background-color:rgba(0, 0, 0, 0.4); width:600px; margin:0 auto; margin-top:50px; } .content p{ color:white; text-shadow:1px 1px 0 rgba(0,0,0, 0.5); font-family:"Lucida Grande", sans-serif; } #cssmenu{ height:37px; display:block; padding:0; margin: 0; border:1px solid; } #cssmenu > ul {list-style:inside none; padding:0; margin:0;} #cssmenu > ul > li {list-style:inside none; padding:0; margin:0; float:left; display:block; position:relative;} #cssmenu > ul > li > a{ outline:none; display:block; position:relative; padding:12px 20px; font:bold 13px/100% "Lucida Grande", Helvetica, sans-serif; text-align:center; text-decoration:none; text-shadow:1px 1px 0 rgba(0,0,0, 0.4); } #cssmenu > ul > li:first-child > a{border-radius:5px 0 0 5px;} #cssmenu > ul > li > a:after{ content:''; position:absolute; border-right:1px solid; top:-1px; bottom:-1px; right:-2px; z-index:99; } #cssmenu ul li.has-sub:hover > a:after{top:0; bottom:0;} #cssmenu > ul > li.has-sub > a:before{ content:''; position:absolute; top:18px; right:6px; border:5px solid transparent; border-top:5px solid #fff; } #cssmenu > ul > li.has-sub:hover > a:before{top:19px;} #cssmenu ul li.has-sub:hover > a{ background:#3f3f3f; border-color:#3f3f3f; padding-bottom:13px; padding-top:13px; top:-1px; z-index:999; } #cssmenu ul li.has-sub:hover > ul, #cssmenu ul li.has-sub:hover > div{display:block;} #cssmenu ul li.has-sub > a:hover{background:#3f3f3f; border-color:#3f3f3f;} #cssmenu ul li > ul, #cssmenu ul li > div{ display:none; width:auto; position:absolute; top:38px; padding:10px 0; background:#3f3f3f; border-radius:0 0 5px 5px; z-index:999; } #cssmenu ul li > ul{width:200px;} #cssmenu ul li > ul li{display:block; list-style:inside none; padding:0; margin:0; position:relative;} #cssmenu ul li > ul li a{ outline:none; display:block; position:relative; margin:0; padding:8px 20px; font:10pt "Lucida Grande", Helvetica, sans-serif; color:#fff; text-decoration:none; text-shadow:1px 1px 0 rgba(0,0,0, 0.5); } #cssmenu, #cssmenu > ul > li > ul > li a:hover{ background:#333333; background:-moz-linear-gradient(top, #333333 0%, #222222 100%); background:-webkit-gradient(linear, left top, left bottom, color-stop(0%,#333333), color-stop(100%,#222222)); background:-webkit-linear-gradient(top, #333333 0%,#222222 100%); background:-o-linear-gradient(top, #333333 0%,#222222 100%); background:-ms-linear-gradient(top, #333333 0%,#222222 100%); background:linear-gradient(top, #333333 0%,#222222 100%); filter:progid:DXImageTransform.Microsoft.gradient( startColorstr='#333333', endColorstr='#222222',GradientType=0 ); } #cssmenu{border-color:#000;} #cssmenu > ul > li > a{border-right:1px solid #000; color:#fff;} #cssmenu > ul > li > a:after{border-color:#444;} #cssmenu > ul > li > a:hover{background:#111;} #cssmenu > ul > li.active > a{ color:orange; } .header{ clear:both; } The problem is that, whenever I hover on the dropdown-menu, that a 1px margin appears in between the menu and the header. Can I solve that? I can't seem to find the solution.

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  • ASP.Net MVC: Areas and controllers

    - by xamlnotes
    Areas are a great feature of MVC now. The let you put common code into an Area and then its segregated from other code. That makes it really easy to put those common feature in one spot and not have the interfere with other code. So today I was working on a new area and starting to test code in it. But the controller method could not be found. Testing the routes and all of the names proved no help either. So I am banging my head against the wall. Then I took a peak at one of the existing controllers in another Area in the same app. Looked similar, but … There was a Namespaceat the top of that controller with that Area in the Namespace.  I had copied my controller in from somewhere else and therefore it did not have the Namespace there.   I put in the right Namespace and cool, it worked right away. So add that to your list when testing.

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  • My first Windows Phone 7 App: Getting SharePoint Content

    - by Jan Tielens
    Earlier this week at the Mix10 conference, Microsoft announced the developer story of the Windows Phone 7 Series. As expected, it’s all about Silverlight! For all the details I highly recommend to watch the recorded keynotes (day 1, day 2). Tonight I could resist trying to build my very first Windows Phone 7 application; the traditional Hello World thingy. Because the developer tools (Visual Studio 2010 and the free Visual Studio 2010 Express) have pretty nice templates, that wasn’t much of a challenge. So I tried to build something real: an application that can display SharePoint 2010 content, for example items from an announcements list. I head to work my way around some limitations because both SharePoint 2010 and the developer tools are still in beta and CTP, but finally I got it working! Because of the many workarounds, the code is not yet ready for publication, but I’ve created a small screencast so you can see the result. To be continued! :-) Windows Phone 7 POC: Getting SharePoint Data from Jan Tielens on Vimeo.

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  • Windows 7 complaint

    - by Chris Williams
    Let me start by saying that I love Windows 7. I think it's the best OS that Microsoft has put out in ages, possibly ever. However, I do have one little complaint. Actually it's not that little, it's become a real pain in the butt for me. I'm talking about Forced Updates. Yes, I know it's always been a problem and that Windows would occasionally force a reboot while you were away, in order to install some important update. That's not quite what I'm referring to. I mean the new "feature" where you don't have the choice to skip updates when shutting down. This isn't a big deal to those of you with desktop machines, but for those of us with laptops, it is rapidly becoming an unforgivable pain in the ass. Let me see if I can make myself a little clearer... If I am shutting down my LAPTOP, 99% of the time it's because I need to get up and go. Not wait around for FORCED UPDATES!! I travel a lot, and there are few things more annoying than shutting down to head to the airport, or shutting down so I can board my flight, or shutting down because we're about to land, etc... and having to wait 5-10 minutes while Win 7 does it's thing. It's damn inconvenient. There has to be a way you can detect if I'm on a laptop and give me the option to postpone updates, or skip them or (here's a thought) run them on startup instead of on shutdown. I'm usually not in a hurry when my machine is booting up, but if I'm powering down it's because I'm ready to GO! Please fix this. Windows 7 rocks in almost every other way I can think of.

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  • Why should I use Zend_Application?

    - by Billy ONeal
    I've been working on a Zend Framework application which currently does a bunch of things through Zend Application and a few resource plugins written for it. However, looking at this codebase now, it seems to me that using Zend_Application just makes things more complicated; and a plain, more "traditional" bootstrap file would do a better job of being transparent. This is even more the case because the individual components of Zend -- Zend_Controller, Zend_Navigation, etc. -- don't reference Zend_Application at all. Therefore they do things like "Well just call setRoute and be on your way," and the user is left scratching their head as to how to implement that in terms of the application.ini configuration file. This is not to say that one can't figure out what's going on by doing spelunking through the ZF source code. My problem with that approach is that it's to easy to depend on something that's an implementation detail, rather than a contract, and that all it seems to do is add an extra layer of indirection that one must wade through to understand an application. I look at pre ZF 1.8 example code, before Zend_Application existed, and everywhere I see plain bootstrap files that setup the MVC framework and get on their way. The code is clear and easy to understand, even if it is a bit repetitive. I like the DRY concept that Application gets you, but particularly when I'm assuming first people looking at the app's code aren't really familiar with Zend at all, I'm considering blowing away any dependence I have on Zend_Application and returning to a traditional bootstrap file. Now, my concern here is that I don't have much experience doing this, and I don't want to get rid of Zend_Application if it does something particularly important of which I am unaware, or something of that nature. Is there a really good reason I should keep it around?

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  • Reliable alert dialogs from the shell

    - by intuited
    I'd like to have a message pop up in response to various system events, mostly in order to be able to set reminders for myself from a shell session. There are a few ways to do this; zenity seems to be the most polished. However, I've found at least two problems with zenity: Messages do not appear on all workspaces. I tried using the gtk option --screen to control this, but they just appear on the current workspace regardless. So if I am switching workspaces as the message comes up, I will not see it. Messages do not appear above all other windows. Specifically, if I am using guake, a new zenity message will appear below the guake window and I won't be able to see it. I tried a few other apps a while back. Both gmessage and xmessage exhibited problem 1; gmessage also exhibited problem 2. I did find that kalarm, which can be scripted from the command line, worked acceptably, but I'm trying to avoid running the KDE stack if possible, and would prefer something lightweight with zenity's versatility. It seems that it might be possible to arrange for these problems to be resolved by setting the WM_CLASS, but I'm in a bit over my head there. It might also be possible to make modifications to the window after it launches with a script, but again I'm not sure where to look for resources on that.

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  • Tell me what&rsquo;s wrong! &ndash; An XNA sample demonstrating exception handling and reporting in

    - by George Clingerman
    I’ve always enjoyed using Nick Gravelyn’s exception handling in all of my games. You’re always going to encounter those unhandled exception that your players are going to ferret out and having a method to display them rather than just crashing to the dashboard is definitely more of an elegant solution. But the other day I got to thinking…what if we could do more? What if instead of just displaying the error, we could encourage the players to send us the error. So I started playing with that an expanding upon Nick’s sample code to see what I could come up with. I got close to what I envisioned, but unfortunately there were some limitations to just what the XNA API could do. In my head I was picturing the players hitting “Send Message” and a 360 message would just be sent to the XBLIG developer. Unfortunately, you can only send messages in an XNA game to someone you’re currently in a network session with. Since I didn’t want to have a 360 server running all the time, virally connecting to players just to get error messages, I did the next best thing and just open up a 360 message and encourage them to manually enter the gamertag. Maybe someday we’ll be able to do that a little better, but this works for now. In the sample, players can hit the “A” button or key to generate in an exception. If the debugger is not attached, then the Exception message screen will be shown explaining what has happened and giving the player a chance to send a 360 message to the gamertag provided or maybe even just send an email. Nick’s code has been changed just a bit. It now accepts any PlayerIndex (no longer hard coded to just PlayerIndex.One) and it no longer uses a MessageBox to get the users selection. The code has also been modified so that it works both for the 360 and for the PC. Check out “Tell me what’s wrong!” and let me know if you have any thoughts or suggestions. I really do appreciate the feedback.

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  • Developing professionally for iOS, Android and web - an insight

    - by Scott Roberts
    This is not really a question on how to develop all three, I know various cross platform ways and so on. But I more want to know from developer standpoint how hard it is to basically develop iOS, Android and web apps? I am currently in my first job as a mobile/web developer. I have already developed my first iPhone/iPad app and now I have to develop the app for android because the web version I tried just didn't perform as well as needed and web databases just did not seem to make the cut. But I am not sure it's possible to be good at developing all 3 in terms of remembering all the api's etc. I wouldn't say I have an issue with the programming languages just how to use the api's for the various platforms. Also, all the other languages I look at, in my spare time, just feel like I am spreading myself to thin. Is it feasible for one person to be developing ios, android and web apps? Should I think about reducing it to iOS and web based apps? I develop everything by myself, so I have no one to discuss what the best solutions are for everything and I am just trying to workout as I go along. So any cross platform developers out there? Do companies have different teams for different platforms? Any insight would just help me get my head together. Hopefully this question makes sense.

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  • Problem During Installation SQL Server 2005 on Windows 7

    - by mlife
     Yesterday I was trying to install SQL Server 2005 on windows 7. During installation a popup error dialog shown with this message: The SQL Server service failed to start. For more information, see the SQL Server Books Online topics, "How to: View SQL Server 2005 Setup Log Files" and "Starting SQL Server Manually. Here is the captured screen: But in books online there was no useful information! After some hours googling, I did not found any useful information and at 3 o'clock of midnight, I was scratching my head! Believe it, I attempted to install SQL Server more than 15 times with different manners (with command prompt & parameters and else). Eventually I found the resource of problem, that was "BitDefender Internet Security 2010"! After uninstalling BitDefender Internet Security, I installed SQL Server 2005 and then reinstalled BitDefender. Just that! Problem resolved. Conclusion: After installing a new version of windows and it's requirements (like IIS and language specifications & else), first install the SQL Server and the Visual Studio and then other applications.Hope be helpful.  

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  • Are You Using Facebook with an Encrypted Session Yet?

    - by The Geek
    If you’re geeky and keep up with all the tech news, you probably already know that Facebook added an SSL feature, but for everybody else: You can make your Facebook profile more secure by turning this option on, and here’s how to do it. All we’re going to do is head into the Facebook profile settings and then check a box that forces the use of SSL encryption whenever possible. Easy Latest Features How-To Geek ETC Here’s a Super Simple Trick to Defeating Fake Anti-Virus Malware How to Change the Default Application for Android Tasks Stop Believing TV’s Lies: The Real Truth About "Enhancing" Images The How-To Geek Valentine’s Day Gift Guide Inspire Geek Love with These Hilarious Geek Valentines RGB? CMYK? Alpha? What Are Image Channels and What Do They Mean? Project M Brings Classic Super Smash Bro Style Gameplay to the Wii Now Together and Complete – McBain: The Movie [Simpsons Video] Be Creative by Using Hex and RGB Codes for Crayola Crayon Colors on Your Next Web or Art Project [Geek Fun] Flash Updates; Finally Supports Full Screen Video on Multiple Monitors 22 Ways to Recycle an Altoids Mint Tin Make Your Desktop Go Native with the Tribal Arts Theme for Windows 7

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  • Penalty for collision during a racing game

    - by Arthur Wulf White
    In a racing game: How should we penalize the player for colliding head on into obstacles such as walls, trees and so on. What is the way it is done in your favorite racing game? How is it done in other successful racing games? Do you think temporarily disabling the engine for a second is too severe? If I do go that route, how would I convey the 'engine is disabled' to the player in a subtle and easily understood way? Is this 'too much' of a penalty? Would the slow-down from the collision be sufficient to discourage the player from driving too carelessly? Which one is more fun? Should I consider a health-bar and affect engine performance for 'low health' status? Could you offer examples of games that handle this well and one that do it poorly? Please share your experience with racing games obstacles and reference games you feel perform well in this aspect. I am sure we all enjoy our racing games differently and I would like to hear different opinions regarding this issue. I would also like to hear how you feel we should penalize or reward for colliding with other vehicles? Should enemy vehicles be destroyable? Should they slow down severely when they hit the back of your car or would that make the gameplay imbalanced?

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  • Using Native Drag and Drop in HTML 5 pages

    - by nikolaosk
    This is going to be the eighth post in a series of posts regarding HTML 5. You can find the other posts here, here , here , here, here , here and here. In this post I will show you how to implement Drag and Drop functionality in an HTML 5 page using JQuery.This is a great functionality and we do not need to resort anymore to plugins like Silverlight and Flash to achieve this great feature. This is also called a native approach on Drag and Drop.I will use some events and I will write code to respond when these events are fired.As I said earlier we need to write Javascript to implement the drag and drop functionality. I will use the very popular JQuery Library. Please download the library (minified version) from http://jquery.com/downloadI will create a simple HTML page.There will be two thumbnails pics on it. There will also be the drag and drop area where the user will drag the thumb pics into it and they will resize to their actual size. The HTML markup for the page follows<!doctype html><html lang="en"><head><title>Liverpool Legends Gallery</title><meta charset="utf-8"><link rel="stylesheet" type="text/css" href="style.css"><script type="text/javascript" charset="utf-8" src="jquery-1.8.1.min.js"></script>  <script language="JavaScript" src="drag.js"></script>   </head><body><header><h1>A page dedicated to Liverpool Legends</h1><h2>Drag and Drop the thumb image in the designated area to see the full image</h2></header><div id="main"><img src="thumbs/steven-gerrard.jpg"  big="large-images/steven-gerrard-large.jpg" alt="John Barnes"><img src="thumbs/robbie-fowler.jpg" big="large-images/robbie-fowler-large.jpg" alt="Ian Rush"><div id="drag"><p>Drop your image here</p> </div></body></html> There is nothing difficult or fancy in the HTML markup above. I have a link to the external JQuery library and another javascript file that I will implement the whole drag and drop functionality.The code for the css file (style.css) follows#main{  float: left;  width: 340px;  margin-right: 30px;}#drag{  float: left;  width: 400px;  height:300px;  background-color: #c0c0c0;}These are simple CSS rules. This post cannot be a tutorial on CSS.For all these posts I assume that you have the basic HTML,CSS,Javascript skills.Now I am going to create a javascript file (drag.js) to implement the drag and drop functionality.I will provide the whole code for the drag.js file and then I will explain what I am doing in each step.$(function() {          var players = $('#main img');          players.attr('draggable', 'true');                    players.bind('dragstart', function(event) {              var data = event.originalEvent.dataTransfer;               var src = $(this).attr("big");              data.setData("Text", src);               return true;          });          var target = $('#drag');          target.bind('drop', function(event) {            var data = event.originalEvent.dataTransfer;            var src = ( data.getData('Text') );                         var img = $("<img></img>").attr("src", src);            $(this).html(img);            if (event.preventDefault) event.preventDefault();            return(false);          });                   target.bind('dragover', function(event) {                if (event.preventDefault) event.preventDefault();            return false;          });           players.bind('dragend', function(event) {             if (event.preventDefault) event.preventDefault();             return false;           });        });   In these lines var players = $('#main img'); players.attr('draggable', 'true');We grab all the images in the #main div and store them in a variable and then make them draggable.Then in following lines I am using the dragstart event.  players.bind('dragstart', function(event) {              var data = event.originalEvent.dataTransfer;               var src = $(this).attr("big");              data.setData("Text", src);               return true;          }); In this event I am associating the custom data attribute value with the item I am dragging.Then I create a variable to get hold of the dropping area var target = $('#drag'); Then in the following lines I implement the drop event and what happens when the user drops the image in the designated area on the page. target.bind('drop', function(event) {            var data = event.originalEvent.dataTransfer;            var src = ( data.getData('Text') );                         var img = $("<img></img>").attr("src", src);            $(this).html(img);            if (event.preventDefault) event.preventDefault();            return(false);          }); The dragend  event is fired when the user has finished the drag operation        players.bind('dragend', function(event) {             if (event.preventDefault) event.preventDefault();             return false;           }); When this method event.preventDefault() is called , the default action of the event will not be triggered.Please have a look a the picture below to see how the page looks before the drag and drop takes place. Then simply I drag and drop a picture in the dropping area.Have a look at the picture below It works!!! Hope it helps!!  

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  • Hiding the Flash Message After a Time Delay

    - by Madhan ayyasamy
    Hi Friends,The flash hash is a great way to provide feedback to your users.Here is a quick tip for hiding the flash message after a period of time if you don’t want to leave it lingering around.First, add this line to the head of your layout to ensure the prototype and script.aculo.us javascript libraries are loaded:Next, add the following to either your layout (recommended), your view templates or a partial depending on your needs. I usually add this to a partial and include the partial in my layouts. "flash", :id = flash_type % "text/javascript" do % setTimeout("new Effect.Fade('');", 10000); This will wrap the flash message in a div with class=‘flash’ and id=‘error’, ‘notice’ or ‘warn’ depending on the flash key specified.The value ‘10000’ is the time in milliseconds before the flash will disappear. In this case, 10 seconds.This function looks pretty good and little javascript stunts like this can help make your site feel more professional. It’s also worth bearing in mind though, not everybody can see well or read as quickly as others so this may not be suitable for every application.Update:As Mitchell has pointed out (see comments below), it may be better to set the flash_type as the div class rather than it’s id. If there is the possibility that you’ll be showing more than one flash message per page, setting the flash_type as the div id will result in your HTML/XHTML code becoming invalid because the unique intentifier will be used more than once per page.Here is a slightly more complex version of the method shown above that will hide all divs with class ‘flash’ after a time delay, achieving the same effect and also ensuring your code stays valid with more than one flash message! "flash #{flash_type}" % "text/javascript" do % setTimeout("$$('div.flash').each(function(flash){ flash.hide();})", 10000); In this example, the div id is not set at all. Instead, each flash div will have class “div” and also class of the type of flash message (“error”, “warning” etc.).Have a Great Day..:)

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  • The Splendiferous Array of Culinary Tools [Infographic]

    - by ETC
    If your geeking out extends from the workbench to the kitchen counter, you’ll love this swanky infographic detailing the families of utensils in your kitchen drawers and cupboards. The poster showcases everything from scissors to strainers in a retro-style poster. If you can find a culinary tool in your kitchen that isn’t on the chart then you’re obviously a culinary wizard of the highest order. You can hit up the link below to check out the poster in full-size and downloadable glory or head over to the design company that created it here (and pre-order a printed copy for your kitchen). A Complete Guide to Your Kitchen Tools [Fast Co. Design via Design Sponge] Latest Features How-To Geek ETC How to Enable User-Specific Wireless Networks in Windows 7 How to Use Google Chrome as Your Default PDF Reader (the Easy Way) How To Remove People and Objects From Photographs In Photoshop Ask How-To Geek: How Can I Monitor My Bandwidth Usage? Internet Explorer 9 RC Now Available: Here’s the Most Interesting New Stuff Here’s a Super Simple Trick to Defeating Fake Anti-Virus Malware The Splendiferous Array of Culinary Tools [Infographic] Add a Real-Time Earth Wallpaper App to Ubuntu with xplanetFX The Citroen GT – An Awesome Video Game Car Brought to Life [Video] Final Man vs. Machine Round of Jeopardy Unfolds; Watson Dominates Give Chromium-Based Browser Desktop Notifications a Native System Look in Ubuntu Chrome Time Track Is a Simple Task Time Tracker

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  • Design Pattern Advice for Bluetooth App for Android

    - by Aimee Jones
    I’m looking for some advice on which patterns would apply to some of my work. I’m planning on doing a project as part of my college work and I need a bit of help. My main project is to make a basic Android bluetooth tracking system where the fixed locations of bluetooth dongles are mapped onto a map of a building. So my android app will regularly scan for nearby dongles and triangulate its location based on signal strength. The dongles location would be saved to a database along with their mac addresses to differentiate between them. The android phones location will then be sent to a server. This information will be used to show the phone’s location on a map of the building, or map of a route taken, on a website. My side project is to choose a suitable design pattern that could be implemented in this main project. I’m still a bit new to design patterns and am finding it hard to get my head around ones that may be suitable. I’ve heard maybe some that are aimed at web applications for the server side of things may be appropriate. My research so far is leading me to the following: Navigation Strategy Pattern Observer Pattern Command Pattern News Design Pattern Any advice would be a great help! Thanks

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  • What are the licensing issues involved in the Oracle/Apache java dispute?

    - by Chris Knight
    I've just started following with interest the soap opera involving Oracle's acquisition of Java and the detriment of goodwill it seems to have generated in the open source community. Specifically, I'm now trying to get my head around the implications of Oracle's decision to refuse Apache an open source license for Harmony. My questions: 1) What is Harmony anyway? Their website states "Apache Harmony software is a modular Java runtime with class libraries and associated tools". How is this different than J2SE or J2EE? Or is Harmony akin to Andriod? 2) The crux of this issue is around the Java Technology Compatibility Kit (or TCK) which certifies that your implementation adheres to the JSR specifications. If I understand correctly, Oracle refuse to offer free or open source license access to the TCK, denying projects like Harmony from being released as open source. Why is this such a big deal for Apache? E.g. why can't (or don't) they release Harmony under a restricted license? 3) From this site is the following quote: It looks like Oracle’s plan is to restrict deployments of Java implementations in certain markets, particularly on mobile platforms, so that it can monetize its own Java offering in those markets without any competition. Presumably anything Oracle produced would be subject to the same restrictions it is imposing on others with respect to end-technology licensing, so how could they get a leg up on the competition? While no doubt distateful, wouldn't other competitors such as Google or Apache be able to release competing platforms under the same license as Oracle?

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  • WoW lua: Getting quest attributes before the QUEST_DETAIL event

    - by Matt DiTrolio
    I'd like to determine the attributes of a quest (i.e., information provided by functions such as QuestIsDaily and IsQuestCompletable) before the player clicks on the quest detail. I'm trying to write an add-on that handles accepting and completing of daily quests with a single click on the NPC, but I'm running into a problem whereby I can't find out anything about a given quest unless the quest text is currently being displayed, defeating the purpose of the add-on. Other add-ons of this nature seem to be getting around this limitation by hard-coding information about quests, an approach I don't much like as it requires constant maintenance. It seems to me that this information must be available somehow, as the game itself can properly figure out which icon to display over the head of the NPC without player interaction. The only question is, are add-on authors allowed access to this information? If so, how? EDIT: What I originally left out was that the situations I'm trying to address are when: An NPC has multiple quests The quest detail is not the first thing that shows up upon right-click Otherwise, the situation is much simpler, as I have the information I need provided immediately.

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  • LWJGL texture bleeding fix won't work

    - by user1990950
    I tried a lot of things to fix texture bleeding, but nothing works. I don't want to add a transparent border around my textures, because I already got too many and it would take too much time and I can't do it with code because I'm loading textures with slick. My textures are seperate textures and they seem to wrap on the other side (texture bleeding). Here are the textures that are "bleeding": The head, body, arm and leg are seperate textures. Here's the code I'm using to draw a texture: public static void drawTextureN(Texture texture, Vector2f position, Vector2f translation, Vector2f origin,Vector2f scale,float rotation, Color color, FlipState flipState) { texture.setTextureFilter(GL11.GL_NEAREST); color.bind(); texture.bind(); GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE); GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE); GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST); GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST); GL11.glTranslatef((int)position.x, (int)position.y, 0); GL11.glTranslatef(-(int)translation.x, -(int)translation.y, 0); GL11.glRotated(rotation, 0f, 0f, 1f); GL11.glScalef(scale.x, scale.y, 1); GL11.glTranslatef(-(int)origin.x, -(int)origin.y, 0); float pixelCorrection = 0f; GL11.glBegin(GL11.GL_QUADS); GL11.glTexCoord2f(0,0); GL11.glVertex2f(0,0); GL11.glTexCoord2f(1,0); GL11.glVertex2f(texture.getTextureWidth(),0); GL11.glTexCoord2f(1,1); GL11.glVertex2f(texture.getTextureWidth(),texture.getTextureHeight()); GL11.glTexCoord2f(0,1); GL11.glVertex2f(0,texture.getTextureHeight()); GL11.glEnd(); GL11.glLoadIdentity(); } I tried a half pixel correction but it didn't make any sense because GL12.GL_CLAMP_TO_EDGE. I set pixelCorrection to 0, but it still wont work.

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  • Podcast Show Notes: Redefining Information Management Architecture

    - by Bob Rhubart-Oracle
    Nothing in IT stands still, and this is certainly true of business intelligence and information management. Big Data has certainly had an impact, as have Hadoop and other technologies. That evolution was the catalyst for the collaborative effort behind a new Information Management Reference Architecture. The latest OTN ArchBeat series features a conversation with Andrew Bond, Stewart Bryson, and Mark Rittman, key players in that collaboration. These three gentlemen know each other quite well, which comes across in a conversation that is as lively and entertaining as it is informative. But don't take my work for it. Listen for yourself! The Panelists(Listed alphabetically) Andrew Bond, head of Enterprise Architecture at Oracle Oracle ACE Director Stewart Bryson, owner and Co-Founder of Red Pill Analytics Oracle ACE Director Mark Rittman, CIO and Co-Founder of Rittman Mead The Conversation Listen to Part 1: The panel discusses how new thinking and new technologies were the catalyst for a new approach to business intelligence projects. Listen to Part 2: Why taking an "API" approach is important in building an agile data factory. Listen to Part 3: Shadow IT, "sandboxing," and how organizational changes are driving the evolution in information management architecture. Additional Resources The Reference Architecture that is the focus of this conversation is described in detail in these blog posts by Mark Rittman: Introducing the Updated Oracle / Rittman Mead Information Management Reference Architecture Part 1: Information Architecture and the Data Factory Part 2: Delivering the Data Factory Be a Guest Producer for an ArchBeat Podcast Want to be a guest producer for an OTN ArchBeat podcast? Click here to learn how to make it happen.

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  • Looking for some OO design advice

    - by Andrew Stephens
    I'm developing an app that will be used to open and close valves in an industrial environment, and was thinking of something simple like this:- public static void ValveController { public static void OpenValve(string valveName) { // Implementation to open the valve } public static void CloseValve(string valveName) { // Implementation to close the valve } } (The implementation would write a few bytes of data to the serial port to control the valve - an "address" derived from the valve name, and either a "1" or "0" to open or close the valve). Another dev asked whether we should instead create a separate class for each physical valve, of which there are dozens. I agree it would be nicer to write code like PlasmaValve.Open() rather than ValveController.OpenValve("plasma"), but is this overkill? Also, I was wondering how best to tackle the design with a couple of hypothetical future requirements in mind:- We are asked to support a new type of valve requiring different values to open and close it (not 0 and 1). We are asked to support a valve that can be set to any position from 0-100, rather than simply "open" or "closed". Normally I would use inheritance for this kind of thing, but I've recently started to get my head around "composition over inheritance" and wonder if there is a slicker solution to be had using composition?

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  • JSP Include: one large bean or bean for each include

    - by shylynx
    I want to refactor a webapp that consists of very distorted JSPs and servlets. Because we can't switch to a web framework easily we have to keep JSPs and Servlets, and now we are in doubt how to include pages into another and how to setup the use:bean-directives effectively. At the first step we want to decouple the code for the core-actions and the bean-creation into servlets. The servlets should forward to their corresponding pages, which should use the bean. The problem here is, that each jsp consists of different sub- and sub-sub-jsp that are included into another. Here is a shortend extract (because reality is more complex): head header top navigation actionspanel main header actionspanel foot footer Moreover each jsp (also the header and footer) use dynamic data. For example title and actionspanel can change on each page-reload or do have links and labels that depend on the processing by the preceding servlet. I know that jsp-include-directives should only be used for static content und should be avoided for dynamic content. But here we have very large pages, that consist of many parts. Now the core questions: Should I use one big bean for each page, so that each bean holds also data for header and footer beside its core data, so that each subsequent included jsp uses the same bean-directive? For example: DirectoryJSP <- DirectoryBean CompareJSP <- CompareBean Or should I use one bean for each jsp, so that each bean only holds the data for one jsp and its own purpose. For example: DirectoryJSP <- DirectoryBean HeaderJSP <- HeaderBean FooterJSP <- FooterBean CompareJSP <- CompareBean HeaderJSP <- HeaderBean FooterJSP <- FooterBean In the second case: should the subsequent beans be a member of the corresponding parent bean, so that only the parent bean is attached as attribute to the request? Or should each bean attached to the request?

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  • Podcast Show Notes: Old Habits Die Hard in the New SOA World

    - by OTN ArchBeat
    Like the previous series, the latest OTN ArchBeat Podcast program was also recorded in a hotel room just around the corner from Oracle OpenWorld in San Francisco just a few weeks ago. The gathered experts, all members of the OTN architect community, agreed to participate in an informal roundtable discussion of what's happening in Service Oriented Architecture. As you'll hear, the conversation ranged from the maturity of Service Oriented Architecture technology and tools, to the the lingering and typically self-imposed problems that can prevent organizations from realizing the full potential of SOA, to what SOA means in the era of *aaS, mobile computing, and big data. Hajo Normann, Torsten Winterberg, Ronald van Luttikhuizen, and Guido Schmutz (L-R) Hajo Normann, Torsten Winterberg, Danilo Schmeidel, and Lonneke Dikmans (L-R) The Panelists (Listed alphabetically) Lonneke Dikmans, Managing Partner at Vennster, Oracle ACE Director Ronald van Luttikuhuizen, Managing Partner at Vennster, Oracle ACE Director Hajo Normann, SOA & BPM Lead for ASG at Accenture, Oracle ACE Director Danilo Schmiedel, Solution Architect at Opitz Consulting Guido Schmutz, Technology Manager for SOA/BPM and Architecture Board at Trivadis, Oracle ACE Director Torsten Winterberg, Director of Strategy and Innnovation and head of SOA Competence Center at Opitz Consulting, Oracle ACE Director The Conversation Listen to Part 1: SOA technology and tools are mature, says this panel of experts, but why do some organizations still struggle to take full advantage of industrialized SOA? Listen to Part 2 (Nov 6): Human nature and a lack of trust among stakeholders can thwart successful SOA. Can a marketplace approach and social tools improve the situation? Listen to Part 3 (Nov 13): Do SOA stakeholders recognize the problems caused by poor communication among siloed service development teams? Coming Soon SOA and B2B: The authors of Getting Started with Oracle SOA B2B Integration: A Hands-On Tutorial discuss Business to Business capabilities in Oracle SOA Suite 11g. Be a Guest Producer for an ArchBeat Podcast Want to be a guest producer for an OTN ArchBeat podcast, put your topic and panelist suggestions in a comment on this post, or contact me at @OTNArchBeat.

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  • Final agenda - Oracle Exadata & Manageability Partner Community Forum at OpenWorld

    - by Javier Puerta
    Just a few days for Oracle OpenWorld and our Exadata & Manageability Partner Community Forum for EMEA partners. The event will take place on the afternoon of Monday, October 1st, 2012 during the Oracle OpenWorld week. For all partners that have confirmed their attendance to the event, find below the final detailed agenda. I look forward to meeting again in San Francisco with all of you who can attend the event and hope that you will find the sessions useful for your business.   FINAL AGENDAOracle Exadata & ManageabilityEMEA Partner Community Forum at Oracle OpenWorld 2012 in San Francisco, USAMonday, October 1st, 20112 Detailed agenda Time Session Speaker 15:30 Reception of participants - Networking coffe served 16:00 Welcome Hans-Peter Kipfer, VP Engineered Systems, Oracle EMEA 16:10 Next challenges in building and managing clouds Javier Cabrerizo, VP, Global Business Development for Exadata, Oracle Corp. 16:30 Partner experience 1.- IT modernization, simplification and cost reduction: The case of a customer in Transportation & Logistics with custom applications and SAP. The Technological Renewal Model built by aligning the innovation of Oracle's Engineered Systems and Capgemini's service delivery excellence has resulted in significant cost savings for the client. Francisco Bermúdez, Country Leader Infrastructure Services, Capgemini, Spain 16:55 Partner experience 2.- The Nvision cloud project NCloud is an innovative design that combines advanced technical solutions, virtualization, and dynamic management of IT resources, providing a complete "as-a-Service" offering for Infrastructure, Database, Middleware, and Applications. Dmitry Krasilov, Head of Oracle Competence Center, Nvision Group, Russia 17:20 Partner experience 3.- From Exadata Ready to Exadata Optimized: An ISV Experience The experience of WeDo Technologies in the process and benefits that started as an Exadata Ready certification and ended up as an Exadata Optimized. Miguel Alves,  Product Business Solutions Manager, Wedo Technologies, Portugal 17:45 Next steps in engaging with Oracle Cengiz Yilmaz, Director Partner Strategy, Oracle EMEA Engineered SystemsPatrick Rood, Manageability Partner Business, Oracle EMEA 18:00 Wrap-up & Networking Time and Location:Monday, October 1st, 2012, 15:30 - 18:00 PST Grand Hyatt San Francisco, 345 Stockton Street, San Francisco (Conference Theater) (It is a 15 minute walk from OOW Moscone Center. See directions here)  

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  • Free Windows Store and Phone Developer Accounts for MSDN Subscribers

    - by Clint Edmonson
    If you are a member/subscriber to any of the following programs you are eligible to receive one-time, 12-month Windows Store and Windows Phone developer accounts.  Visual Studio Professional with MSDN Visual Studio Test Professional with MSDN Visual Studio Premium with MSDN Visual Studio Ultimate with MSDN BizSpark On September 11, 2012 Microsoft announced that Windows Store is open to individual developers (Company only registration became available on August 1st). This means that eligible MSDN subscribers will be able to select between an individual and company account when registering for their developer account benefit.   New or existing subscribers will see developer accounts listed as a benefit on the Getting Started page as well as various MSDN overview pages. Now that you have this benefit why not get started.  To activate this benefit, subscribers are provided with a unique token for each of the developer accounts. The tokens will work for both individual and company registration. To acquire and redeem the token: 1. Log into My Account. 2. Click on ‘Get Code’. A unique token will be delivered to each subscriber. 3. Click on ‘How to Register’ (link will appear once code is claimed). A developer account details page will display that includes an overview of the benefit, token and registration information. 4. Click on the link to ‘Register your code’.  This launches the developer account registration process. Ready to start developing?  Head over to Generation App to get started.

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