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• Is there any existing (old) game that released graphic as free or open source?

  - by Alexey Petrushin

  I'd like to (re)create an online version (html5/JS) of some old game, for example something like HoM&M 2. Maybe, some of old games were released as free or open source (I'm interested in the graphical assets only)? I heard something about Red Alert been released as free, but I'm not sure if it's permitted to reuse graphical assets in such manner. Do You know such games? Another question - can You please share Your thoughts, rough estimate - how much it will cost to pay an artist to create graphics similar to HoM&M 2?

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• On what basis would you split donation money among your open source team members without any strife?

  - by Vigneshwaran

  I am a developer of an open source project which is hosted in SourceForge. It started out as a little app then after some releases, it got more and more popular and it started consuming more time and responsibility from me. So I have enabled the donation option in SourceForge. I'm passionate to continue developing it for free but if (ever) any money comes in, how should I split it with my team? Should I split the amount equally among the number of team members? (50-50 as it is two-member team now) Number of classes, commits or any other valuable submissions by team members? Any other idea? What would you do in such situation? Please give your opinions. I hope this question will be useful for others.

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• Is there a way to prevent others to steal your open source project and use it to make a profit?

  - by Jubbat

  This might seems like a silly question to ask, but I can't really figure out the answer. The title pretty much says it all. Let's say you have an open source music player, along comes someone, copies it, adds features, modifies the interface, etc and sells it. Nobody would find out. So how does it work? Related: I'm working in some projects myself to make me more employable, so employers can take a look at my code but with some of them I don't feel like uploading them to an online repository, ie sourceforge, and make them visible for the general public.

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• Best practices for including open source code from other public projects?

  - by Bryan Kemp

  If I use an existing open source project that is hosted for example on github within one of my projects, should I check in the code from the other project into my public repo or not? I have mixed feelings about this, #1 I want to give proper credit and attribution to the original developer, and if appropriate I will contribute back any changes I need to make. However given that I have developed / tested against a specific revision of the other projects code, that is the version that I want to distribute to users of my project. Here is the specific use case to illustrate my point. I am looking for a more generalized answer than this specific case. I am developing simple framework using rabbitmq and python for outbound messages that will allow for sending sms, twitter, email, and is extensible to support additional messaging buses as well. There is a project on github that will make the creation and sending of SMS messages developed by another person. When I create my own repo how do I account for the code that I am including from the other project?

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• Does this factory method pattern example violate open-close?

  - by William

  In Head-First Design Patterns, they use a pizza shop example to demonstrate the factory method pattern. public abstract class PizzaStore { public Pizza orderPizza(String type) { Pizza pizza; pizza = createPizza(type); pizza.prepare(); pizza.bake(); pizza.cut(); pizza.box(); return pizza; } abstract Pizza createPizza(String type) } public class NYPizzaStore extends PizzaStore { Pizza createPizza(String item) { if (item.equals("cheese") { return new NYStyleCheesePizza(); } else if (item.equals("veggie")) { return new NYStyleVeggiePizza(); } else if (item.equals("clam")) { return new NYStyleClamPizza(); } else if (item.equals("pepperoni")) { return new NYStylePepperioniPizza(); } else return null; } } I don't understand how this pattern is not violating open-close. What if we require a beef Pizza, then we must edit the if statement in the NYPizzaStore class.

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• I need a backend system that is integrated with web services, is there an open source solution?

  - by Jarom

  I'm basically familiar with what I need in order to setup web services to talk with a centralized db, but if I don't have to go through and do all the work, I'd rather not. Is there an open source solution that would allow me to easily integrate web services for data transfer to a central db? I want to make a site that is powered by a db that can also be accessed by other things like mobile apps for example. What are the steps involved in setting up such a site? Any help is appreciated! I could use all the help I can get!

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• How to check if my open source idea already exists?

  - by Andreas

  I've got a great idea for an open source project. What should I do before starting, to make sure that I'm not duplicating anyone's efforts? Of course I've googled, but which keywords to use isn't obvious. Is there a site to discuss such ideas? To address a common answer: My goal is not to be the author of a successful project. It is to make sure that this product exists, and can be improved. (There's already a similar commercial venture, which is of low quality and not being developed.) Thus, it won't help me to have the only project that can be found in this niche. If there's a start out there, I'd like to find it and help.

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• Big delay to open web pages on Ubuntu 11.10; also slow torrent client speed

  - by user54234

  The keywords for my issue are too common among other issues, so, I couldn't find anything that could answer me: why will it take around 30+ seconds for any of my browsers to open a page? happens even with google.com... with both Firefox and Chromium. This does not happen while I use Windows, from exactly the same point at my house (I've got enough wi-fi signal here for sure). Also, the standard torrent client won't hit the max download speed... I can hit 1 Mb/s with utorrent on Windows, and can't go over 300 kbps here. I tried changing the program settings, no results. Please help me. I REALLY don't wanna go back to Windows. Thanks in advance, I admire this community, and I'm sorry that I couldn't find something that could help me. I already solved a lot of issues without asking, but couldn't do it this time.

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• What source licenses allow inclusion in commercial applications

  - by codymanix

  Which open source licenses allows inclusion of the licensed source code in commercial applications without having to make our program open source as well? In particular, I was looking on koders.com for an implementation of a fast hash algorithm, but I am not sure if Iam allowed to use it in a commerial application without limits.

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• Which open source PHP project has the 'perfect' OOP design I can learn from?

  - by aditya menon

  I am a newbie to OOP, and I learn best by example. You could say this question is similar to Which Scala open source projects should I study to learn best coding practices - but in PHP. I have heard-tell that Symfony has the best 'architecture' (I will not pretend I know what that exactly means), as well as Doctrine ORM. Is it worth it to spend many months reading the source code of these projects, trying to deduce the patterns used and learning new tricks? I have seen equal number of web pages dissing and liking Zend's codebase (will provide links if deemed necessary). Do you know of any other project that would make any veteran OOP developer shed tears of joy? Please let me add that practicality and scope of use is not a concern at all here - I just want to do: Pick a project that has a codebase deemed awesome by devs way better and greater than me. Write code that achieves what the project does. Compare results and try to learn what I don't know. Basically, an academic interest codebase. Any recommendations please?

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• How to get multiple open-source projects to use a standard way of doing something.

  - by Marco

  Problem In the last couple weeks, I've used 3 different "repository" tools (listed in alphabetical order): gradle ivy maven I'm calling them "repository" tools because I've also used sbt -- which fortunately uses ivy to manage it's cache or local repository. Each of these tools will create it's own repository. The defaults are: ~/.m2/repository for maven ~/.gradle/cache ~/.ivy2/cache Why can't they all use the same cache? Goal I'd like to change the world so that all three build tools could use the same cache. I'm looking for advice about issues I'm likely to run into and smart ways to get around them. By "use the same cache", I do not mean "retrieve from another build tool's cache". I mean "retrieve from and store in another build tool's cache". While I could go ahead and submit issues to the three projects, I know from experience (as a developer on an open source project), that if you want something done, you're best off getting it done yourself. Also, it seems like I need to get all 3 communities on board to some degree. What is the recommended approach for getting this kind of thing done? How do I approach the different communities? Do I work on patches for the 3 different projects, or would it be better off to create my own "interface" project that deals with these issues and have the 3 tools interface with that? Is this a standards question that I need to address on that front? Lastly, if I'm missing something and this is possible (in an globally configurable fashion), then please let me know.

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• Do support sites like stackoverflow upset the paid-support open source model?

  - by ajax81

  In order to stay relevant in the marketplace, I'm researching new business models for my software company. The open source model with paid support seems like a good fit for our product, but I have concerns about whether or not a paid support model is viable in an era where top-notch help is readily available for free on sites like those in the StackExchange network. Case in point -- I moved my employees to Ubuntu last year because I didn't want to pay for Win 7 licenses and new hardware (plus, the mono platform was highly attractive). My staff had no Linux experience, but were able to achieve relative competency in about 120 days with the help of AskUbuntu, StackOverflow, and a few "For Dummies" books. We did employ an Ubuntu consultant for 7 days to provide training and support, but beyond that spent $0.00 on any kind of paid expertise. In regards to my due diligence, I ran a 3 month beta of the freemium-paid-support model with one of our smaller customers, and achieved mediocre results. I'd like to think its because our software is so stable and easy to use that the customer didn't need much paid support, but I suspect that they circumvented the terms of our SLA in the same manner that we did with the move to Ubuntu. Does anyone out there has any thoughts, advice, or experience relevant to the move I'm considering? What worked, what didn't, etc? Thanks in advance!

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• How to proceed when a bug in open source libraries is suspected?

  - by Suma

  We are using some open source libraries in our projects. Sometimes there are some issues found in some of them (most likely library bugs, but it may also be a wrong usage from our side, especially when sometimes documentation is not exactly 100 % complete). As the libraries are often quite complex, debugging them to pinpoint the source of the problem is sometimes quite hard. Can you help me to summarize what other options are there and how to exactly proceed with them? I have just recently hit some strange problems when using TCMalloc (Google scalable memory allocator) on Windows, so I would most welcome answers which would apply to this particular library, but more general answers are good as well. 1) Ask the maintainer/owner of the project for assistance. How can this be done? 2) Hire someone to identify and fix the issue. How to do this? How can I find someone with enough expertise in some particular library? ... any other options?

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• Do support sites like Stack Overflow upset the paid-support open source model?

  - by ajax81

  In order to stay relevant in the marketplace, I'm researching new business models for my software company. The open source model with paid support seems like a good fit for our product, but I have concerns about whether or not a paid support model is viable in an era where top-notch help is readily available for free on sites like those in the Stack Exchange network. Case in point -- I moved my employees to Ubuntu last year because I didn't want to pay for Win 7 licenses and new hardware (plus, the mono platform was highly attractive). My staff had no Linux experience, but were able to achieve relative competency in about 120 days with the help of AskUbuntu, Stack Overflow, and a few "For Dummies" books. We did employ an Ubuntu consultant for 7 days to provide training and support, but beyond that spent $0.00 on any kind of paid expertise. In regards to my due diligence, I ran a 3 month beta of the freemium-paid-support model with one of our smaller customers, and achieved mediocre results. I'd like to think its because our software is so stable and easy to use that the customer didn't need much paid support, but I suspect that they circumvented the terms of our SLA in the same manner that we did with the move to Ubuntu. Does anyone out there has any thoughts, advice, or experience relevant to the move I'm considering? What worked, what didn't, etc?

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• Open Source Project all dressed up but nowhere to go...

  - by Calanus

  Over the past 2 years myself and a colleague have built an online statistical analysis application using a mixture of silverlight, wcf and R. I (a c# programmer) wrote all the silverlight and wcf stuff whilst my colleague (a statistician) came up with the stats algorithms and wrote the R code. Now we think that this app is fairly unique - a rich gui online statistics application that is much more intuitive than all the other online stat apps that I've seen. But despite this we don't really know where to go with the project, mainly for the following reasons: 1) Its fairly complicated stuff - without the mix of programing and stats skills it would be difficult for anyone to "get into" the project and contribute. 2) We are stalled by a lack of a proper place to host the site. Currently it sits on the family windows 7 media centre, not exactly the best place to host it as it could interfere with the missus trying to watch Corrie/Friends/Oprah etc. Soo, anyone got any ideas on how to move forward with this? I guess that my strength is programing not marketing so despite working hard at this for the past couple of years I feel that I've reached a dead end! Also, does anyone know of any free windows hosting for open source projects? If I could find a proper place to put the app I might feel re-energised about the whole thing. The source code is on codeplex at: http://silverstats.codeplex.com, whilst the app is currently hosted at http://silverstats.co.uk

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• Are there any good examples of open source C# projects with a large number of refactorings?

  - by Arjen Kruithof

  I'm doing research into software evolution and C#/.NET, specifically on identifying refactorings from changesets, so I'm looking for a suitable (XP-like) project that may serve as a test subject for extracting refactorings from version control history. Which open source C# projects have undergone large (number of) refactorings? Criteria A suitable project has its change history publicly available, has compilable code at most commits and at least several refactorings applied in the past. It does not have to be well-known, and the code quality or number of bugs is irrelevant. Preferably the code is in a Git or SVN repository. The result of this research will be a tool that automatically creates informative, concise comments for a changeset. This should improve on the common development practice of just not leaving any comments at all. EDIT: As Peter argues, ideally all commit comments would be teleological (goal-oriented). Practically, if a comment is made at all it is often descriptive, merely a summary of the changes. Sadly we're a long way from automatically inferring developer intentions!

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• Open Source vs. Closed Source? Which one to choose? [closed]

  - by Rafal Chmiel

  So far, I was always creating open-source applications (or didn't publish them at all) because it was free for me to create a new CodePlex project, and upload everything. Couple of days ago I started wandering what kind of apps should I make, closed or open source. I can see "cons" and "pros" in both such as the ones below: Open Source: Pro, free project hosting (CodePlex is excellent for .NET app updates. ClickOnce etc) Pro, free help such as developers and designers Con, people can get your source code and (sometimes) use some of your code in their apps and make money Con, companies such as Microsoft, Twitter or Tumblr won't be looking forward in buying your project (like for example Twitter bought TweetDeck - TweetDeck being a closed source AIR application, of course) Closed Source: Pro, it's harder for people to copy your idea without the source code Pro, you're more likely to get acquired/bought by companies Con, no free hosting - you have to have a website to do so (not good for updates) Con, no free help What do you think? What do you think I should choose?

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• open source business intelligence solutions

  - by opensas

  which open source business intelligence solution would you recommend? All I need is to build some cubes and let the end user play with dimensions, filter data, sort, etc, and once it's done being able to export it to excel... I'd like the solution to be as simple and easy on resources as possible, and also I'd like it to be as much open source as possible, by the way. I've heard that many solutions available do have many restrictions when it comes to there community version. I'd like to ear your advices and the pros/cons of each alternative, to help me choose the right tool, and if you could point me to some basic demo and tutorial to get started. thanks a lot ps: I'm using sql server databases, they aren't huge databases (in general less than a million records) and I doesn't necessarily have to work on "live" data... ps: some useful links: http://en.wikipedia.org/wiki/Business_intelligence_tools#Open_source_free_products http://www.manageability.org/blog/stuff/open-source-java-business-intelligence http://www.jaspersoft.com/jasperanalysis http://community.pentaho.com/projects/bi_platform/ http://community.pentaho.com/faq/platform_licensing.php http://www.eclipse.org/birt/phoenix/ http://www.spagoworld.org/xwiki/bin/view/SpagoWorld/ http://docs.google.com/viewer?a=v&q=cache:vhsqMQXwCUkJ:www.ow2.org/xwiki/bin/download/Activities/EuropeLocalChapterWebinars/ELCWebinarOSBI.pdf+open+source+business+intelligence&hl=en&pid=bl&srcid=ADGEESgpJJ2MqaKprJQOF2jX2UXCZQjg_asv8d7EVYtq0Vma-e-tR1tFxS-I0SOW0IhJC5acYc94rkDOrgP1WckCp_vk4qhKqR9y2Klp_u9cL8hlXoKoUpMkpAd5wabu61A4W0y15E5P&sig=AHIEtbRJ5FAI-3YK-qtayPjKkF_CwOgZag

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• Open a URL with parameters using selenium.open()

  - by gagneet

  I am using selenium.open(), to open a URL, which prints the cookie output to the browser window: String cookiestr = "http://my.server.com/cookie?out=text"; selenium.open( cookiestr ); The problem is that, it opens a "Save As..." popup, to save the file named "cookie". When I open the same URL in my browser directly, it displays text in the browser window. I want to capture the body text shown, when I open the URL, but am unable to do so. Is there any other command available which I can use to do this? BufferedWriter outputfile = null; String bodytext = selenium.getBodyText(); System.out.println("Body Text :" + bodytext); Integer I = new Integer(i); filename = "C:\\cookies\\" + I.toString() + ".txt"; outputfile = new BufferedWriter(new FileWriter( filename )); outputfile.write( bodytext ); outputfile.newLine(); i++;

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• Javascript window.open firefox/chrome issue

  - by Adelave

  Hi, I've application to open popup window to print page. function printHTML(urlPath) { var printPopUp = window.open(urlPath,null,"height=600,width=777,status=yes,toolbar=no,menubar=no,location=no,scrollbars=yes"); printPopUp.print(); } This script is working fine in IE, but in firefox/chrome. print() function is overlapping window.open, as a result print dialog is showing first while screen is still loading. I need to close print dialog in order to render page properly then print manually. Please advise.

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• Open mailto after click in IE8/Chrome

  - by Rakward

  I'm currently trying to do the following: Trigger: click on a name in a select list. Action : open mailto-link in current window, thus opening an email client. $(document).ready(function(){ // Define click-event $('option').click(function(){ var mail = $(this).attr('value'); window.open('mailto:'+mail, '_self'); }); }); I've also tried using this instead of window.open: parent.location.href= 'mailto:'+mail; However, both work only in firefox, get no errors/results in IE8 or Chrome. Anybody know what the problem could be?

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• What is your contribution to open source projects?

  - by Yuval A

  I was always wondering about this seemingly utopic world of open source. Assuming the vast majority of users here are professional software engineers which need some sort of income source, I assume most of us hold stable, money-making jobs. So who are the key players in the open source community? Who are the people which devote their precious time to these projects? What is their benefit? Are the majority just people who see a bug, fix it, submit, and forget about the project? Or are they people constantly involved in the process of building the product? How do you find yourself contributing to open source projects?

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• SMTP port open - but not open

  - by Frederik Nielsen

  As some of you might know, I am setting up an exchange server. Now I ran into another problem: I cannot connect to the SMTP service from outside the server! The ports are opened in the gateway device (a ZyXEL USG50), Windows firewall is off. I see the packets travekl through the ZyXEL firewall, and I can also see the packets with wireshark on the server, so I know they are getting all the way in to the server. I also know it receives them, and sends out the reply - and this is where things go bad! Analyzing with wireshark, I get these errors in the return packets: Header checksum: 0x0000 [incorrect, should be 0x0779 (may be caused by "IP checksum offload"?)] And: Acknowledgment Number: 0x8e3337d1 [should be 0x00000000 because ACK flag is not set] What the (sorry my French) hell is going on? I really cant figure it out.. Thanks in advance.

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• Java is open-source, so what?

  - by typoknig

  Hi all, I always here that Java being open-source is a big benefit, but I fail to see how Java being open-source should draw me to use it as opposed to .NET which is closed-source. This website has some Q&A sections (What is the significance of these developments to the industry? in particular) that give a little info, but is being free the only (or the biggest) advantage to Java being open-source? Since I am a beginner, have any of you pros noticed any major difference since the change was made?

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• Unable to open images with Python's Image.open()

  - by ensnare

  My code reads: import Image def generateThumbnail(self, width, height): """ Generates thumbnails for an image """ im = Image.open(self._file) When I call this function, I get an error: ? AttributeError: type object 'Image' has no attribute 'open' However in the console: import Image im = Image.open('test.jpg') I have no problem. Any ideas? Thanks!

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