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How does the GPL work in regards to languages like Dart which compile to other languages?

- by Peter-W

Google's Dart language is not supported by any Web Browsers other than a special build of Chromium known as Dartium. To use Dart for production code you need to run it through a Dart-JavaScript compiler/translator and then use the outputted JavaScript in your web application. Because JavaScript is an interpreted language everyone who receives the "binary"(Aka, the .js file) has also received the source code. Now, the GNU General Public License v3.0 states that: "The “source code” for a work means the preferred form of the work for making modifications to it." Which would imply that the original Dart code in addition to the JavaScript code must also be provided to the end user. Does this mean that any web applications written in Dart must also provide the original Dart code to all visitors of their website even though a copy of the source code has already been provided in a human readable/writable/modifiable form?

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I would like to know what kind of tools I should be looking for web development.

- by user646636

I would like to know what kind of tools I should be looking for web development. I have learned the basics of HTML/CSS/PHP/JS/phpmyadmin Now, I was looking to a write a website for purchasing and selling products for clients and sellers. I was wondering what other languages I would need to learn and also what kinda development tools I should use. Also, what would be the best type of language to write a website like this. I have heard that I should be using python for this type of web development. Do you guys have any suggestion as to what I should be looking at? And Also I would like to know if I should be setting up my own database or should I be using something like MySQL. I'm looking for languages that would have low maintenance cost in the long run. Thanks

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What to choose API based server or Socket based server for data driven application

- by Imdad

I am working on a project which has a Desktop Application for MAC/COCOA, a native application for iPhone another native application in iPad. All the application do almost same thing. The applications are data driven applications. Every communication to server is made via a restful API developed in PHP. When a user logs in a lot of data is fetched from server. And to remain in sync with server pooling is done. As there are lot of data to pool it makes application slower and un-reliable. A possible solution that comes into my mind is to use Socket based server. My question is that will it reasonably improve the performance? And which technology (of sockets) will be good as a server side solution for data driven application? I have heard a lot about Node.js. Please give your suggestions.

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Happy Holidays

- by peggy.chen

Happy Holidays from the Oracle Enterprise 2.0 Product Marketing Team! AC_FL_RunContent = 0; if (AC_FL_RunContent == 0) { alert("This page requires AC_RunActiveContent.js."); } else { AC_FL_RunContent( 'codebase', 'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0', 'width', '500', 'height', '315', 'src', 'http://www.oracle.com/us/e-cards/ecard15-english-188059', 'quality', 'high', 'pluginspage', 'http://www.macromedia.com/go/getflashplayer', 'align', 'middle', 'play', 'true', 'loop', 'true', 'scale', 'showall', 'wmode', 'window', 'devicefont', 'false', 'id', 'ecard15_english', 'bgcolor', '#000000', 'name', 'ecard15_english', 'menu', 'true', 'allowFullScreen', 'false', 'allowScriptAccess','always', 'movie', 'http://www.oracle.com/us/e-cards/ecard15-english-188059', 'salign', '' ); //end AC code }

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Organizing ASP.Net Single Page Application with Nancy

- by OnesimusUnbound

As a personal project, I'm creating a single page, asp.net web application using Nancy to provide RESTful services to the single page. Due to the complexity of the single page, particularly the JavaScripts used, I've think creating a dedicated project for the client side of web development and another for service side will organize and simplify the development. solution | +-- web / client side (single html page, js, css) | - contains asp.net project, and nancy library | to host the modules in application project folder | +-- application / service (nancy modules, bootstrap for other layer) | . . . and other layers (three tier, domain driven, etc) . Is this a good way of organizing a complex single page application? Am I over-engineering the web app, incurring too much complexity?

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Career in Game Development

- by cantbereached

Hello, I currently study computer engineering and I want to lead my career towards game industry which I always want to be a part of. But I am not sure where to start. I applied some of the companies in the industry for internship and so but most of them wants experience and some work in game developing. Many asks whether I developed a simple game or something similar which I haven't done so far. I am proficient at C, C++, Java, JS, HTML etc. Any tips from people experienced in the industry on where to start ?

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How can I create and animate 2D skeletons for HTML5 Javascript games? [on hold]

- by user414209

I'm trying to make a 2D fighting game in HTML5(somewhat like street fighter). So basically there are two players, one AI and one Human. The players need to have animations for the body movements. Also, there needs to be some collision detection system. I'm using createjs for coding but to design models/objects/animations, I need some other software. So I'm looking for a software that can: easily make custom animation of 2d objects. The objects structure(skeleton etc.) will be same once defined but need to be defined once. Can export the animations and models in a js readable format(preferably json) Collision detection can be done easily after the exported format is loaded in a game engine. For point 1, I'm looking for some generic skeleton based animation. Sprite-sheet based animations will be difficult for collision detection.

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Customizing JBar for Notifications

- by Ryan Ohs

Lately I've been using JBar, a very neat jQuery plugin for displaying notifications in my web applications. Unfortunately the original version of JBar only supports binding to the click event of a DOM item. In order to get around this limitation I have modified the source code and posted an updated version on my GitHub account here. The modified version allows you to display a JBar notification by calling a method. I typically use it to display succes or failure messages when doing Ajax calls. I have also included some additional CSS and JS so that you can diplay different styles of notifications. showNotification(message) shows a green "success" message. showWarning(message) shows an orange "warning" message. showMessage(message, className) allows you to specify a custom class to apply to the notification for additional styling purposes. A web page with samples is included. Get the code here.

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Ruby on Rails background API polling

- by Matthew Turney

I need to integrate a free/busy calendar integration with Zimbra. Unlike outlook, it seems, Zimbra requires polling their API. I need to be able to grab the free/busy data in background tasks for 10's of thousands of users on a regular time interval, preferably every few minutes. What would be the best way to implement this in a Rails application without bogging down our current resque tasks? I have considered moving this process to something like node.js or something similar in Ruby. The biggest problem is that we have no control over the IO, as each clients Zimbra instances could be slow and we don't want to create a huge backup in tasks. Thoughts and ideas?

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What are the basics (best practices, etc) of writing a good Flash application?

- by donut

I've been tasked with writing a Flash application for facilitating a Fantasy Football draft pick. Normally, my choice would be to write this application in JavaScript. Unfortunately, it will require the use of sockets and since we don't have enough experience with Web Socket JS to be sure it would work in this situation I need to learn Flash. Currently, I'm most proficient in JavaScript/HTML/CSS/PHP/MySQL and have never really used Flash in a meaningful way. As best as I can I want to start this project off "the right way". So, what are good to know best practices and/or references/resources that will teach my the right way of doing things in Flash?

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Should you charge clients hours spent on the wrong track?

- by Lea Verou

I took up a small CSS challenge to solve for a client and I'm going to be paid on a hourly rate. I eventually solved it, it took 4 hours but I spent roughly 30% of the time in the wrong track, trying a CSS3 solution that only worked in recent browsers and finally discovering that no fallback is possible via JS (like I originally thought). Should I charge the client that 30%? More details: I didn't provide an estimate, I liked the challenge per se, so I started working on it before giving an estimate (but I have worked with him before, so I know he's not one of those people that have unrealistic expectations). At the very worst I will have spent 4 unpaid hours on an intriguing CSS challenge. And I will give the fairest possible estimate for both of us, since I will have already done the work. :)

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Save BIG on Storage — with Oracle Advanced Compression

- by [email protected]

Recently, we published a podcast revealing just how much Oracle benefits from its internal use of Oracle Database 11g and Advanced Compression. With hundreds of TB and millions of dollars saved, Oracle Advanced Compression is dramatically reducing storage costs and substantially improving efficiency across the company. Now, here's your chance: Meet the experts, have your questions answered by them and immediately start using your storage more efficiently: On April 14th, join me for a live Webcast with Oracle's Tim Shetler, Vice President of Product Management and Bill Hodak, Principal Product Manager, to learn just how Oracle Advanced Compression can Reduce disk space requirements for all types of data Improve query and storage performance Lower storage costs throughout the datacenter Register here! var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); try { var pageTracker = _gat._getTracker("UA-13185312-1"); pageTracker._trackPageview(); } catch(err) {}

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Inspecting the model in a Rails application

- by Matt Sherman

I am learning some Ruby on Rails, and am a newbie. Most of my background is in ASP.net MVC on the back end. As I play with a basic scaffold project, I wonder about this case: you jump into an established Rails project and want to get to know the model. Based on what I have seen so far (again, simple scaffold), the properties for a given class are not immediately revealed. I don't see property accessors on the model classes. I do understand that this is because of the dynamic nature of Ruby and such things are not necessary or even perhaps desirable. Convention over code, I get that. (Am familiar with dynamic concepts, mostly via JS.) But if I am somewhere off in a view, and want to quickly know whether the (eg) Person object has a MiddleName property, how would I find that out? I don't have to go into the migrations, do I?

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Sum of two Textbox values into third Textbox using JQuery

- by Rajneesh Verma

A script that sums up two textbox values using jQuery. **Note that I am not using any validation for textbox values. <html xmlns= "http://www.w3.org/1999/xhtml" > <head runat= "server" > <title></title> <script type= "text/javascript" src= "http://ajax.googleapis.com/ajax/libs/jquery/1.4.4/jquery.min.js" ></script> <script type= "text/javascript" > $(function () { var textBox1 = $( 'input:text[id$=TextBox1...(read more)

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How to self Motivate technically to put my ideas into execution or just getting a job at MNC like google or microsoft..

- by Demla Pawan

I mean, How to self Motivate to get a job at google or create another google in future. ,as there is no mentor who can guide me on this topic, so asked it here: I'm a Graduate in BE IT,but with less grades,with interest in learning new programming languages, but not yet done anything great like developed some system or anything. And I'm left with 2 more years to prove my worth to someone. So,is their a quick guide to start learning a language and then just go on implementing your ideas and it gets appreciated or I get a good Job ant Big MNC's. By the way, I just build one website for my one client and running my wordpress blog. And I had tried my hands on basic of C++,Java,JS,JSP,PHP,Ubuntu,web designing in past.

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Adsense block not displaying anything

- by Mild Fuzz

I have copied and pasted the following code into my page, but it seems to be having no effect. It should have a fall back block colour, but nothing is showing. Code copied/pasted straight from google <script type="text/javascript"> </script> <script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script>

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Common Javascript mistakes that severely affect performance?

- by melee

At a recent UI/UX MeetUp that I attended, I gave some feedback on a website that used Javascript (jQuery) for its interaction and UI - it was fairly simple animations and manipulation, but the performance on a decent computer was horrific. It actually reminded me of a lot of sites/programs that I've seen with the same issue, where certain actions just absolutely destroy performance. It is mostly in (or at least more noticeable in) situations where Javascript is almost serving as a Flash replacement. This is in stark contrast to some of the webapps that I have used that have far more Javascript and functionality but run very smoothly (COGNOS by IBM is one I can think of off the top of my head). I'd love to know some of the common issues that aren't considered when developing JS that will kill the performance of the site.

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What are the pro/cons of Unity3D as a choice to make games ?

- by jokoon

We are doing our school project with Unity3d, since they were using Shiva the previous year (which seems horrible to me), and I wanted to know your point of view for this tool. Pros: multi platform, I even heard Google is going to implement it in Chrome everything you need is here scripting languages makes it a good choice for people who are not programming gurus Cons: multiplayer ? proprietary, you are totally dependent of unity and its limit and can't extend it it's less "making a game from scratch" C++ would have been a cool thing I really think this kind of tool is interesting, but is it worth it to use at school for a project that involves more than 3 programming persons ? What do we really learn in term of programming from using this kind of tool (I'm ok with python and js, but I hate C#) ? We could have use Ogre instead, even if we were learning direct x starting january...

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MODX based site has been compromised, and tagged by Google as malware

- by JAG2007

I'm the webmaster (inherited the site from the developer) for a site called kenbrook.org. The site is currently being tagged as malware infected by Google, and gives the following details: http://www.google.com/safebrowsing/diagnostic?site=kenbrook.org Sadly, this is the second time it has occurred. I posted the issue when it happened last year originally on Stackoverflow on this post, shortly after I inherited the site. At the time the fix was a simple removal of a few lines of code from a .js file, but I never did discover or resolve the vulnerability. The site is built on MODX, which neither I, nor the original builder, have any familiarity with. I've tried to check for security updates from MODX, but updating that software has been a real pain also. Sooo...what's my next step to getting this whole issue resolved? Or steps?

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Asked to make a 2d platformer [on hold]

- by Fendorio

I've been tasked with creating a simple 2D platformer top be put on a webpage. The game is pretty much a simple Super Mario type game. I've been playing around with C# and C++ now for a couple years, so I'm aware that Unity offers a route to making a web game but for such a simplistic project i'm afraid that using unity would be overkill... i.e. slow, nobody wants to install the web player for a game with < 5 mins playtime. Html5 canvas/JS seems to jump out at me over flash, as that seems to be being pushed out. Any suggestions on a route to take would be greatly appreciated

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Database Insider May Edition - Now Available

- by jenny.gelhausen

The May Edition of the Database Insider newsletter is now available. This edition covers customer successes with Oracle Database, upcoming events not to be missed as well as headlining news articles: Oracle Application Express 4.0 Will Rock Kaleidoscope 2010 Fast-track to Oracle Database 11g with Oracle Consulting Save 10% on Oracle Database Management Packs Check it out here. var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); try { var pageTracker = _gat._getTracker("UA-13185312-1"); pageTracker._trackPageview(); } catch(err) {}

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SAP vs Other Technologies

- by Bunny Rabbit

I am a fresher just out of collge .Till now i have worked on java,Python,javascript,groovy,django,JS, JQuery and web application develop has been my only intrest. I have been working for an IT company for past three months and it involves working with an erp package SAP and i am working on ABAP. Coming from a world of ORM and languages like python ,SAP and database tables doen't excite me much. With all the development being happening around HTML 5 and android etc i feel quite left out and bored in SAP . can you guys suggest me a proper way forward ?

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Oracle Database Customers In the News!

- by jenny.gelhausen

Our database customers are implementing some pretty interesting applications. Here are a few recent ones in the news: Dressbarn, Maurices and Justice Brands' Parent Company Ascena Retail Group, Inc. all using Oracle Database 11g to power their Oracle E-Business Suite 12.1 applications for growth Hotwire, Inc. Innovates Faster with Oracle Exadata Database Machine Disney Store Completes International Implementation of @OracleRetail Point of Service using Oracle Database 11g Banca Transilvania selects Oracle FLEXCUBE Universal Banking (uses #Exadata Database Machine X2-2) Shop Direct Group Selects Oracle to Support E-Commerce Growth Strategy With Oracle Retail on Oracle Database 11g Let us know your story - how are you utilizing Oracle Database? var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); try { var pageTracker = _gat._getTracker("UA-13185312-1"); pageTracker._trackPageview(); } catch(err) {}

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Why is my google translate data not showing up in analytics?

- by learnvst

I have a google translate widget on my website with gaTrack set to true and the correct gaId, but no translate events show up in analytics under content Events Overview after a week of the widget being live. The code snippet below was auto generated by the translate website, and works fine on the site. Any ideas why I'm not getting any translate events data? <li> <div id="google_translate_element"></div><script type="text/javascript"> function googleTranslateElementInit() { new google.translate.TranslateElement({pageLanguage: 'en', layout: google.translate.TranslateElement.InlineLayout.SIMPLE, gaTrack: true, gaId: 'UA-blahblah'}, 'google_translate_element'); } </script><script type="text/javascript" src="//translate.google.com/translate_a/element.js?cb=googleTranslateElementInit"></script> </li>

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SharePoint Client Object Model: Step One

- by PeterBrunone

I almost didn't make it out alive. I followed the instructions in every piece of sample code and every forum post by someone who had no idea why their client OM code wasn't working, and my code still wouldn't get past the page load. I kept getting "'Type' is undefined" errors when sp.core.js tried to register the SP namespace.As it turns out, you need the help of the default master page (or one like it) to get the object model loaded. Once I told my sample page to use the default master and modified everything accordingly, it hooked up and ran just fine.Now I can finally get some work done.

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