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  • Code Own Socket Server or Use Red5/ElectroServer on Amazon EC2?

    - by Travis
    I've been thinking for a long time about working on a multiplayer game in Flash. I need updates frequently enough that ajax requests won't work so I need to use a socket server. The system will eventually have enough objects/players that I would consider it an MMO. I would like to set up a scalable system on Amazon's EC2. (Which probably effects my choice of server) This architecture would hopefully allow the game to grow without many changes over time. (Using a domain decomposition technique or something similar) Heres my internal debate: Should I a. Code my own socket server in C++ or Java? b. Use the free and open source Red5 socket server for Flash? or c. Pay the licensing fees and go for Electroserver? I consider myself a decent developer, but am at an impasse as to what road to go down. I'm not sure if I, could develop/would need, the features of one of the prepackaged socket servers. I'm also not sure if the prepackaged servers would work well in an Amazon EC2 environment and take full advantage of its features. Any help or guidance would be greatly appreciated.

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  • best way to switch between secure and unsecure connection without bugging the user

    - by Brian Lang
    The problem I am trying to tackle is simple. I have two pages - the first is a registration page, I take in a few fields from the user, once they submit it takes them to another page that processes the data, stores it to a database, and if successful, gives a confirmation message. Here is my issue - the data from the user is sensitive - as in, I'm using an https connection to ensure no eavesdropping. After that is sent to the database, I'd like on the confirmation page to do some nifty things like Google Maps navigation (this is for a time reservation application). The problem is by using the Google Maps api, I'd be linking to items through a unsecure source, which in turn prompts the user with a nasty warning message. I've browsed around, Google has an alternative to enterprise clients, but it costs $10,000 a year. What I am hoping is to find a workaround - use a secure connection to take in the data, and after it is processed, bring them to a page that isn't secure and allows me to utilize the Google Maps API. If any of you have a Netflix account you can see exactly what I would like to do when you sign-in, it is a secure page, which then takes you to your account / queue, on an unsecure page. Any suggestions? Thanks!

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  • Why GWT? Advantages and Trade-Offs of Using This RIA Framework

    - by prometheus
    I'm new to stackoverflow and have been reading through a bunch of the "highest voted" questions for GWT. Several of these questions talk about the pitfalls or problems with GWT. In the articles: Which Javascript framework (jQuery vs Dojo vs … )? and Biggest GWT Pitfalls?, some posters seem to suggest that GWT is not lightweight enough or that there are better alternatives that may be used. Do most of you feel that there are problems with GWT that have not been fixed with GWT 2.0 -- which would make you inclined to suggest using a simpler framework for a new project? To some extent, shouldn't GWT be somewhat future-proof (since you don't have to worry about it changing drastically from release to release and since it is backed by Google)? I realize that the answer to this question depends greatly upon what you want to do or what you wish to make. I am looking at this from the perspective of starting a new web application that will eventually be used by millions of users.

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  • Is it possible to pop open the upload file dialog without requiring the user to press Browse?

    - by superjoe30
    I think I've seen Gmail do it in Chrome or Internet Explorer, but I've never seen it in Firefox. I thought I'd ask anyways. Is it possible to do a file upload without requiring an <input type="file" />? I see that you can use iframes to automatically submit the file input, so my question is Can you programmatically pop up a file upload dialog? If so, what browsers is it supported on?

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  • Software-related but not programming-specific questions

    - by jayrdub
    I have often fought the urge to ask questions that I know aren't appropriate on SO, because I personally haven't come across another online group who's opinions I would trust as much. What sites do you frequent that you have found good participation from a smart group of people where you can ask questions that are related to software, but not programming problems? This community also has a vast depth of knowledge about things related to software like marketing, graphics/UI, running a small business, working in bad jobs, etc. that would greatly benefit everyone else. Where do we go to tap all that knowledge? On stackoverflow.uservoice.com there is a popular suggested feature to sanction, or add to SO, a place to hold discussions that aren't about specific programming questions. It seems that the suggestion has been denied in the past though.

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  • Is there any way to send a mail from within my iPhone application?

    - by Mustafa
    I want to send an email from within my iPhone application, primarily because i don't want to quit my application. Is there ANY way to do that? Solution: 1) I found this open source API which does that: http://code.google.com/p/skpsmtpmessage/ Anyone can write their own smtp client for this purpose. (If you can invest that much time - that is) 2) Use a web service to send the message details and handle message sending functionality at server end. Thanks.

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  • Is it Pythonic to have a class keep track of its instances?

    - by Lightbreeze
    Take the following code snippet class Missile: instances = [] def __init__(self): Missile.instances.append(self) Now take the code: class Hero(): ... def fire(self): Missile() When the hero fires, a missile needs to be created and appended to the main list. Thus the hero object needs to reference the list when it fires. Here are a few solutions, although I'm sure there are others: Make the list a global, Use a class variable (as above), or Have the hero object hold a reference to the list. I didn't post this on gamedev because my question is actually more general: Is the previous code considered okay? Given a situation like this, is there a more Pythonic solution?

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  • Deploying only changed part of a website with git to ftp (svn2web for git)

    - by Elazar Leibovich
    I'm having a website with many big images file. The source (as well as the images) is maintained with git. I wish to deploy that via ftp to a bluehost-like cheap server. I do not wish to deploy all the website each time (so that I won't have to upload too many unchanged files over and over), but to do roughly the following: In a git repository, mark the last deployed revision with a tag "deployed". When I say "deploy revision X", find out which files has changed between revision X and revision tagged as deploy, and upload just them. It is similar in spirit to svn2web. But I want that for DVCS. Mercurial alternative will be considered. It's a pretty simple script to write, but I'd rather not to reinvent the wheel if there's some similar script on the web. Capistrano and fab seems to know only how to push the whole revision, in their SCM integration. So I don't think I can currently use them.

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  • Rhapsody TestConductor Experiences

    - by vaiomike
    I was wondering whether anybody out there is actively using Rhapsody TestConductor? Or has tried it for a while, but then decided to turn it down for a particular reason? If so, what are your experiences, in which field do you apply it, what are the shortcomings, or why did you turn it down? At the moment we're considering TestConductor as our tool of choice for testing as it's already integrated into Rhapsody, and would like to find out how applicable it is to our project (btw, we're using Rhapsody 7.4 in C). P.S: Recommendations on good books about Model Based Testing are also appreciated.

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  • ASP.NET Download All Files as Zip

    - by Ronnie Overby
    I have a folder on my web server that has hundreds of mp3 files in it. I would like to provide the option for a user to download a zipped archive of every mp3 in the directory from a web page. I want to compress the files programmatically only when needed. Because the zip file will be quite large, I am thinking that I will need to send the zip file to the response stream as it is being zipped, for performance reasons. Is this possible? How can I do it?

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  • Best practice for DAO pattern ?

    - by Tony
    I've seen a lot of codes use a service-dao pattern , I don't know the origin of this pattern . It force the front layer call service , then delegates some of the service task to dao. I want to ask : Does DAO layer do purely data access related task ? What about exception encapsulation ? Is there other pattern can be used to replace this ?

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  • Jquery Cluetip - clean up between ajax loaded content

    - by ted776
    Hi, I'm using the jquery cluetip plugin and trying to figure out how to remove any open cluetip dialogs once i load new content via ajax. I am either stuck with the dialog boxes still showing on top of new content, or the ways i've tried to fix this actually remove all future cluetip dialogs from showing at all. Here's my code, thanks for any help. On dom ready i instantiate cluetip as below. //activate cluetip $('a.jTip').cluetip({ attribute: 'href', cluetipClass: 'jtip', arrows: true, activation: 'click', ajaxCache: false, dropShadow: true, sticky: true, mouseOutClose: false, closePosition: 'title' }); When i'm loading new content, I have the following code. The problem i have is that $('.cluetip-jtip').empty() prevents dialog boxes from opening on any of the new content loaded in, while the destroy function doesn't remove any open dialog boxes, but just destroys the current object. $('.next a').live("click", function(){ var toLoad = $(this).attr('href'); var $data = $('#main_body #content'); $.validationEngine.closePrompt('body'); //close any validation messages $data.fadeOut('fast', function(){ $data.load(toLoad, function(){ $data.animate({ opacity: 'show' }, 'fast'); //reinitialise datepicker and toolip $(".date").date_input(); //JT_init(); $('.hidden').hide(); //scroll to top of form $("html,body").animate({ "scrollTop": $('#content').offset().top + "px" }); //remove existing instance //$('a.jTip').cluetip('destroy'); //remove any opened popups $('.cluetip-jtip').empty(); //reinitialise cluetip $('a.jTip').cluetip({ attribute: 'href', cluetipClass: 'jtip', arrows: true, activation: 'click', ajaxCache: false, dropShadow: true, sticky: true, mouseOutClose: false, closePosition: 'title' }); }); }); return false; });

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  • Online Screenshot Generator for Mac

    - by BillB
    I'm looking for a free online web page screenshot generator that will take photos of Mac browsers. I've looked at: BrowsrCamps BrowserShots LitmusApp All of which I'm sure are good but charge for a screenshot of your web app using a Mac browser. Does anyone know of a free alternative.

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  • Is it possible to make web app proactive rather than reactive?

    - by Ari B.
    Web applications traditionally follow the request/response cycle, where a request is made by a user or another web app. However, I'm curious if it is possible to make a web app automatically initiate certain tasks upon it's deployment to a app server. For example, let's say we have a web app that retrieves and processes data. Is it possible to configure this app to automatically retrieve and process data when certain criteria are met, rather than needing a request from a user/another web app?

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  • Problem exporting RSA key -'key not valid for use in specified state'

    - by asp316
    I'm encrypting the web.config in our web sites using aspnet_regiis. However, I want the ability to export the encryption key so if we need to move from Machine A to Machine B, asp.net will be able to decrypt it. When I run aspnetregiis -px "NetFrameworkConfigurationKey" c:\keys.xml -pri, I get the following : 'Key not valid for use in specified state'. I've seen all kinds of responses online but they don't seem to apply. It's not an invalid key because when I use aspnet_regiis to encrypt sections of the web.config, they encrypt fine. Ideas?

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  • Comparisons of web programming languages (on speed, etc.)

    - by Dave
    I'm looking for a site / report / something that can compares "identical" programs (programs that do the same thing) in different web-programming languages and then compares the speeds of each of them. I agree that there will be MANY MANY criteria on which this information can be sliced and diced by, but has anyone done any real comparison of this? I am interested in web-based languages only, ie php, perl, C, C++, java, asp, asp.net, etc.

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  • Efficiently making web pages from multiple servers

    - by james.bcn
    I want to create a service that allows diverse web site owners to integrate material from my web servers into content served from their own servers. Ideally the resulting web page would only be delivered from the web site owners server, and the included content would be viewed as being part of the site by Google - which I think would rule out iframes or client-side Javascript to get the content from my server (although I may be wrong about that?). Also the data wouldn't actually be updated that often, say once a day, so it would be inefficient to get the data from my web servers with every request. Finally, the method needs to be as simple as possible so that it is easy for web site owners to integrate into their own sites. Are there any good methods for doing this sort of thing? If not then I guess the simple way is with iframes or Javascript.

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  • How can I make a steady automata in JavaScript?

    - by RobertWHurst
    I'm working on a JavaScript game and I've got an automata system controlling game time and sprite animation as well as giving a hand to the path finding system for timing and such. My problem is on slow browsers the JavaScript loop I'm using for counting the time is not very accurate. It tends to jump around a lot. I there a way to force the loop to run consistently at 30 fps? The automata can drop frames if it needs to catch up so if the solution requires dropping frames that's ok.

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  • Can I create object names from a text file in Python 2.7?

    - by user560100
    I'm working on a game project. I've created an object, Star(Object). I want to assign the name of the variables, dynamically, from a text file. If I have a text file with: Sol Centauri Vega I want the program to create the Star(Object) with variable names from the text file. I want the process automated, because I'm looking to create hundreds of stars. I could write the code out by hand: Sol = Star(Sol) Centauri = Star(Centauri) Vega = Star(Vega) But isn't there a way to automate this? Essentially, what I eventually want is a tuple with the list of stars, as their own objects. Then, when I am doing game maintenance, I can just iterate over all the objects in the tuple.

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