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  • SharpDOM, view engine for ASP.NET MVC

    Hi everyone! There is a new view engine for ASP.NET MVC platform, SharpDOM, http://sharpdom.codeplex.com. It's targeting hard coders who appreciate code-first approach a lot. This view engine combines pure HTML layout and the view logic in rather consistent manner, so that HTML layout still looks like HTML layout but it is C# code now :-) If you are interested, please, navigate to SharpDOM project on CodePlex site for more details - http://sharpdom.codeplex.com. Thanks!...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • How do I implement layers on a tile map?

    - by mitch
    I have a game where, based upon the visible tiles in the viewport, I need to retrieve data of items in the visible tiles. I am planning to use Javascript to AJAX request in a batch based upon the visible tiles which contain image tags like Google Maps. The layer will be in SVG or canvas. The item information will be in JSON format. What is the best approach, to fetch the data? I currently have complex class I wrote in Javascript which determines the visible columns/rows and offsets relative to the visible area shown. Each item is also user contributed and will be rendered in canvas or SVG layer.

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  • How to make a non-english clone of CoffeeScript?

    - by Ans
    I want to make a non-english programming language that is identical to what CoffeeScript is to JavaScript. What I mean is that I don't want to build my own design or syntax. Just want to have a non-english programming language that compiles to JavaScript. I want to follow everything CoffeeScript fellows so I don't really want to make any design decisions. For example: This is coffeescript: number = 42 opposite = true number = -42 if opposite I want my language to be something like: ??? = 42 ??? = ???? ??? = -42 ??? ??? that get compiled to: var number, opposite; number = 42; opposite = true; if (opposite) { number = -42; }

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  • Making next and previous button in html [on hold]

    - by Andy
    I am new to html and javascript. My problem is that I have a list of items. An example of the list of item is : request0 request1 request2 request3 request4 Now I need to make next and previous buttons to navigate through this list. For example; If I am currently at request1 and hit the next button request2 should shown. If I hit the previous button it should show resquest0. This is my very first project in html and javascript. I have no ideas how to implement it.

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  • What is the need of Odata when I have JSON ?

    - by punkouter
    I am trying to understand the point of Odata and when it would make sense. Right now how I work is I use ASP.NET and MVC/WebApi controller to serialize/deserialize objects into JSON and have javascript do something with it. From what I can tell the benefit of OData is being able to query directly from the URL ... But since I am writing the client and server code there is no need for that. Would anyone ever parse the results of a ODaya query in javascript?? Maybe OData is more about providing a generic endpoint for ALL clients to get detailed information from a query that JSON does not provide ? So if I was a provider of data then I suppose that is what odata is for ? Help me understand the purpose and use of REST/JSON/ODATA.

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  • what's best language to mate with Adobe Flex-based GUI for math crunching?

    - by gkdsp
    Hi, I'm not a software expert but need to outsource a web-based scientific GUI application, and I'm considering Adobe Flex. My math routines are currently in Javascript and C/C+. Having no experience with Flex, was hoping someone could help me understand what options are available for performing (preferably fast and efficient) CLIENT-side calculations. That is, can Flex interact with Javascript and/or C easily? If not, is actionscript or other language preferred? Downsides/tradeoffs? Need functions like LOG10, LN, SQRT, and would be nice to also have the error function (ERF) and complementary error function (ERFC), although I may be able to derive these last two from more basic functions if necessary. Thanks!

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  • How ad retargeting works?

    - by Bojan Babic
    Recently, I read that Facebook ads are moving towards retargeting and got interested deeper into subject. Essentially, retargeting is technique advertisers use that tracks purchase intent by putting cookies into your browser and when you visit another website within ad network you will see ad for item you "wanted to buy". In order this to for, both publisher and advertiser need to work together. Publisher needs add couple of lines of javascript and publisher need to be able to read this info across sites. In most cases, javascript inserts iframe from adnetwork domain. Iframe script sets cookies for both host domain and remote adnetwork domain. However, Same Origin policy do not let iframes read/set content from parent domain. Is there something I'm missing here? Can someone explain how this technique actually works?

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  • Microsoft premier éditeur à publier ses spécifications JavaScript~ JScript 5.7 et 5.8, ses implément

    Microsoft premier éditeur à publier ses spécifications JavaScript JScript 5.7 et 5.8, les implémentations de JavaScript pour Internet Explorer 7 et 8 Microsoft vient de publier les spécifications de JScript : JScript 5.7 pour Internet Explorer 7 et JScript 5.8 pour Internet Explorer 8. Pour mémoire JScript est l'implémentation maison de JavaScript utilisé par Redmond dans ses navigateurs. JavaScript suit les standards de la spécification ECMA-262 (ou ECMAScript) dont le but est d'uniformiser, autant que faire se peut, le cadre de travail des développeurs web. D'où le nom des deux documents récemment publiés sur MSDN : "Internet Explorer ECMA-262 ECMAScript Language ...

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  • Self-Executing Anonymous Function vs Prototype

    - by Robotsushi
    In Javascript there are a few clearly prominent techniques for create and manage classes/namespaces in javascript. I am curious what situations warrant using one technique vs. the other. I want to pick one and stick with it moving forward. I write enterprise code that is maintained and shared across multiple teams, and I want to know what is the best practice when writing maintainable javascript ? I tend to prefer Self-Executing Anonymous Functions however I am curious what the community vote is on these techniques. Prototype : function obj() { } obj.prototype.test = function() { alert('Hello?'); }; var obj2 = new obj(); obj2.test(); Self-Closing Anonymous Function : //Self-Executing Anonymous Function (function( skillet, $, undefined ) { //Private Property var isHot = true; //Public Property skillet.ingredient = "Bacon Strips"; //Public Method skillet.fry = function() { var oliveOil; addItem( "\t\n Butter \n\t" ); addItem( oliveOil ); console.log( "Frying " + skillet.ingredient ); }; //Private Method function addItem( item ) { if ( item !== undefined ) { console.log( "Adding " + $.trim(item) ); } } }( window.skillet = window.skillet || {}, jQuery )); //Public Properties console.log( skillet.ingredient ); //Bacon Strips //Public Methods skillet.fry(); //Adding Butter & Fraying Bacon Strips //Adding a Public Property skillet.quantity = "12"; console.log( skillet.quantity ); //12 //Adding New Functionality to the Skillet (function( skillet, $, undefined ) { //Private Property var amountOfGrease = "1 Cup"; //Public Method skillet.toString = function() { console.log( skillet.quantity + " " + skillet.ingredient + " & " + amountOfGrease + " of Grease" ); console.log( isHot ? "Hot" : "Cold" ); }; }( window.skillet = window.skillet || {}, jQuery )); //end of skillet definition try { //12 Bacon Strips & 1 Cup of Grease skillet.toString(); //Throws Exception } catch( e ) { console.log( e.message ); //isHot is not defined } I feel that I should mention that the Self-Executing Anonymous Function is the pattern used by the jQuery team. Update When I asked this question I didn't truly see the importance of what I was trying to understand. The real issue at hand is whether or not to use new to create instances of your objects or to use patterns which do not require constructors of the use of the new keyword. I added my own answer, because in my opinion we should make use of patterns which don't use the new keyword. For more information please see my answer.

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  • Google Dart vs CoffeeScript? Which one should one learn?

    - by garbage collection
    I was thinking about learning CoffeeScript some time in the future. In the mean time, Google came out with Dart that seems to do what CoffeeScript does. Google says: Dart code can be executed in two different ways: either on a native virtual machine or on top of a JavaScript engine by using a compiler that translates Dart code to JavaScript. This means you can write a web application in Dart and have it compiled and run on any modern browser. Does anyone know advantages and disadvantages of learning Dart or CoffeeScript?

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  • How do history generation algorithms work?

    - by Bane
    I heard of the game Dwarf Fortress, but only now one of the people I follow on Youtube made a commentary on it... I was more than surprised when I noticed how Dwarf Fortress actually generates a history for the world! Now, how do these algorithms work? What do they usually take as input, except the length of the simulation? How specific can they be? And more importantly; can they be made in Javascript, or is Javascript too slow? (I guess this depends on the depth of the simulation, but take Dwarf Fortress as an example.)

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  • Website File and Folder Structure

    - by Drummss
    I am having a problem learning how proper website structure should be. And by that I mean how to code the pages and how folder structure should be. Currently I am navigating around my website using GET variables in PHP when you want go to another page, so I am always loading the index.php file. And I would load the page I wanted like so: $page = "error"; if(isset($_GET["page"]) AND file_exists("pages/".$_GET["page"].".php")) { $page = $_GET["page"]; } elseif(!isset($_GET["page"])) { $page = "home"; } And this: <div id="page"> <?php include("pages/".$page.".php"); ?> </div> The reason I am doing this is because it makes making new pages a lot easier as I don't have to link style sheets and javascript in every file like so: <head> <title> Website Name </title> <link href='http://fonts.googleapis.com/css?family=Lato:300,400' rel='stylesheet' type='text/css'> <link rel="stylesheet" href="css/style.css" type="text/css"> <link rel="shortcut icon" href="favicon.png"/> <script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js" type="text/javascript"></script> <script src="//ajax.googleapis.com/ajax/libs/jqueryui/1.10.4/jquery-ui.min.js" type="text/javascript"></script> </head> There is a lot of problems doing it this way as URLs don't look normal ("?page=apanel/app") if I am trying to access a page from inside a folder inside the pages folder to prevent clutter. Obviously this is not the only way to go about it and I can't find the proper way to do it because I'm sure websites don't link style sheets in every file as that would be very bad if you changed a file name or needed to add another file you would have to change it in every file. If anyone could tell me how it is actually done or point me towards a tutorial that would be great. Thanks for your time :)

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  • Chrome 17 améliore considérablement la gestion mémoire de son moteur JavaScript, avec un ramasse-miettes incrémentiel

    Chrome 17 améliore considérablement la gestion mémoire de son moteur JavaScript Avec un ramasse-miettes incrémentiel, mais reste en deçà des performances de Firefox et Opera Les éditeurs de navigateurs se surpassent pour tirer le meilleur de JavaScript, un langage de script interprété dont on exige aujourd'hui des applications hautement interactives au travers de WebGL notamment, le standard de la 3D sur le Web. Après avoir poussé à bout les performances de son moteur JavaScript V8, Google s'attaque de nouveau à sa gestion mémoire avec l'introduction d'un ramasse-miettes incrémentiel. Cette variante de « garbage collectors » (GC) permet d'exécuter des pas d'un cycle de coll...

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  • Textual descriptions of 8-bit and 16-bit game engines

    - by ixtmixilix
    I found a good description of the engine in the Sonic games. It describes roughly how the engine works for people writing their own clones. In my case, I am simply interested in getting a general view of how the many 8-bit and 16-bit game engines worked on their respective consoles. So, this is a big-list style question asking, what other online descriptions of specific game engines have people found?

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  • All About Search Engine Position Optimization

    Search engine optimization or SEO is a method increasing the amount of traffic or hits to your website, which results in making your website rank high in search engine results. These results are produced whenever an individual types in a keyword or a set of keywords in a search query in search engines like Yahoo!, Google and the like. Being high on the list of search results matters a lot because it makes you more visible to the general public, especially to your target market. This differentiates you from your competitors who may rank low in the search results, or may not even appear in the results lists at all.

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  • Small auto scrolling window

    - by Faith In Unseen Things
    I'd like to apply a global site-wide little javascript window on the very bottom right of the site that will display a window about 40 x 80 wide, just a book icon and the word "Bible", where when a person clicks it, it will open a pop-up window, centered and pull whatever page I give it to display the bible itself (I have it internally already). These little javascript windows auto scroll as you scroll up or down the pages, you've seen them many times. PS: I also want a "hide" option, but it doesn't hide it but minimizes it down to a small icon, all the way to the very bottom right of the site. So, click it opens, click it minimizes. Problem is, I don't know the name of this type of script :) Your help appreciated. Thanks.

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  • Should I use OpenGL while working with the C++ Software?

    - by Paralytic
    I am completely new to programming and game development for that matter. I am using the C++ software to create my Game Engine with the help of a beginners guide. I noticed it has a OpenGL option when starting up a new project. I've heard of OpenGL pertaining to game development, not sure what it is though. Should I be using OpenGL when creating my Game Engine? Will it matter if I just start with a blank slate?

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  • Where to start, to develop an online Backgammon game?

    - by Matt V.
    I would like to develop a backgammon game to play against other players online, as a way of learning more Javascript/jQuery and a little game development. I'm a web developer and most of my experience is in PHP. I have minimal Javascript experience and no game development experience. Where should I start? Are there any particular books, tutorials, libraries, or frameworks that would help give me a jumpstart? As a beginner, am I better of using the DOM or Canvas?

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  • How to redirect user into mobile website?

    - by iLa
    Hi how to redirect the user into mobile site when the user accessing from mobile. Say example i have site called www.mysite.com. Now, a person accessing a website from mobile it should redirect to www.mysite.com/mobile or www.m.mysite.com. I put some research in google that we can redirect using javascript to get the user agent(browser) if(mobile browser) { //redirect to www.mysite.com/mobile } else if(normal browser) { //redirect to www.mysite.com } or using screen resolution if(screen resolution < 800 ) { //redirect to www.mysite.com/mobile } else if(screen resolution > 800) { //redirect to www.mysite.com } I think It will not work If it is the case of javascript disable. Can we do this using .htaccess or php stuff? Is there any standard mechanism to do this?

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  • Complete Beginner to Game Programming and Unreal Engine 4, Looking For Advice [on hold]

    - by onemic
    I am currently a 2nd year programming student(Just finished my first year so I will be starting my second year in September) and have mainly learned C and C++ in my classes. In terms of what I know of C++, I know about general inheritance, polymorphism, overloading operators, iterators, a little bit about templates(only class and function templates) etc. but not of the more advanced topics like linked lists and other sequential containers(containers in general I guess), enumerations, most of the standard library(other than like strings and vectors), and probably a bunch of other stuff I dont even know about yet. I subscribed to Unreal Engine 4 as I was very intrigued by their Unreal Tournament announcement earlier this month, especially after hearing that UE4 is going completely C++. Of course my end goal in doing this programming program is to eventually go into game/graphics programming. Since it's my summer off, I thought what better way then to actually apply some of my skills to a personal project so I actually have a firmer understanding of C++ past what my professors tell me. My questions are this: What would be the best way to start off making a small personal game in UE4 as a project for the summer? What should I be aiming for, especially for someone that is still learning C++? Should I focus on making a simple 2D game rather than a 3D one to get started? Seeing the Flappy Chicken showcase intrigued me because before I thought the UE engine was pretty much pigeonholed into being for FPS games What should my expectations be going into UE4 and a game engine for the first time?(UE4 will be my first foray into making a game) What can I expect to gain from making things in UE4, in terms of making games and in terms of further fleshing out my knowledge of C++? Would you recommend I start off 100% using C++ for scripting or using the visual blueprints? Since I'm not a designer, how would I be able to add objects and designs to my game? For someone at my level is retaining the UE4 subscription worth it or is it better to cancel and resub when I learn enough about UE4 and C++? Lastly is there anything to be gained in terms of knowledge/insight through me looking at the source code for UE4? I opened it in VS2013, but noticed that most of the files were C# files and not cpp's. Thanks in advance for taking the time to answer.

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