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• Using git (or any version control) regarding migration from one language to another [on hold]

  - by Max Benin

  I'm polishing an old project that i released some years ago, and the main purpose on that, is to arrange some folder structures and port the entire code from actionscript to haxe. All the game features, assets and design will remain the same. I have some doubts regarding versioning the project in this circumstance. Assuming that the only thing that will be drastically changed is the code migration, is it correct maintaining the new project changes on the same repository ? I was thinking in tagging it something like V1.1 or Branch the entire project. But i'm afraid that i'm gonna deviate from the versioning patterns. How can i use this version control issue in the best practice way ? Thanks.

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• How to completely remove Ubuntu?

  - by les02jen17

  I installed Ubuntu using Wubi installer, but I couldnt boot to it. So I uninstalled it on the Control Panel. Then I tried the full installation wherein it boots to the Ubuntu environment. After installing Ubuntu there, I couldnt boot to my Windows 7 anymore! So in an attempt to salvage the whole thing, I inserted the Ubuntu CD again and chose Erase Ubuntu and Reinstall. (I was wondering, why wasn't there an option to just "Erase Ubuntu"?) I did that though, and I got my Windows 7 back. But upon checking my drives via the "Create your own partition scheme" (not sure if it's the exact words) I saw that one of my partitions still has Ubuntu on it, and there's no way I can delete it if I don't overwrite another Ubuntu! I can't access that partition on windows 7 either! Need help!

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• Advice on approaching a significant rearrangement/refactoring?

  - by Prog

  I'm working on an application (hobby project, solo programmer, small-medium size), and I have recently redesigned a significant part of it. The program already works in it's current state, but I decided to reimplement things to improve the OO design. I'm about to implement this new design by refactoring a big part of the application. Thing is I'm not sure where to start. Obviously, by the nature of a rearrangement, the moment you change one part of the program several other parts (at least temporarily) break. So it's a little 'scary' to rearrange something in a piece of software that already works. I'm asking for advice or some general guidelines: how should I approach a significant refactoring? When you approach rearranging large parts of your application, where do you start? Note that I'm interested only in re-arranging the high-level structure of the app. I have no intention of rewriting local algorithms.

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• SSD harddisks & programming

  - by Carra

  SSD harddisks have been on the rise lately. And I've been wondering if it's worth buying one as a programmer. Being able to save five minutes when starting my PC is fun but won't convince my boss. How does it impact a typical visual studio project containing hundreds of files? Compile times, accessing files, waiting for visual studio to do its thing... Are there any benchmarks that checked this? And ideally, how much time would one win each week by upgrading?

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• What is the most cross-browser/system compatible option for 3d graphics on a web page?

  - by LachlanB

  I would like to develop a bit of functionality for a web site that involves a bit of 3D - the user can move around objects, rotate them and texture them. So far I've looked into: WebGL (in particular three.js) and it looks great, but it's not supported in IE nor IOS. IOS supports the <canvas> tag, but only 2d. It looks like three.js has an unsupported hack to make a 3d thing use the 2d canvas instead without textures, but this looks like a hack. I also considered resorting to Flash which works on most browsers, but that won't work on IOS. What's my best option for doing 3d web graphics on the vast array of browsers and interfaces? At the moment I'm thinking WebGL for web (and ask people to use chrome or firefox, and take the hit on IE) and then maybe write a native app for IOS, but I am not sure if there are better alternatives available that I don't know of.

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• Managing a remote ubuntu server

  - by erdomester

  I hire an Ubuntu server which I access remotely and I purchased a domain for my webpage. I am totally new to this server thing and to Ubuntu as well. What applications should I install on the server? I need to transfer files to the server, I guess I would use FileZilla the same way I use it to upload files to my free website. But to have a username and password should I install an ftp server and create a user on Ubuntu? My website will send automated messages to users, so do I need to install a mail server as well? What other software should I install on the server apart from a firewall and an anti-virus? Should I partition the hard drive (3TB) and how? How partitions should I create and in what size for what applications? Btw I use Windows 7 on my computer, so I am basically a windows user.

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• Gridview - Conditional Images

  This Gridview sample shows how to, for each row, based on other data within that row, to show a different image. We do this by creating a TemplateField, and putting an ASP.Net Image control within it, called 'Image1'. Then, inside the RowDataBound event of the Gridview, we put code, which first, checks and finds the Image control in that row, and then assigning a different JPG file to the ImageURL property of that image. One other thing here, you'll notice, is that when the criteria is matched, we set the Image control's Visible property to 'True'. That's because, one extra criteria is, that if the Units In Stock is larger than 80, we set the Image control's Visible property to 'False'. Naturally, since we're checking one particular column in the Gridview for this data, we're using a Select Case statement.

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• accessing webpages from terminal

  - by August

  Using Ubuntu 12.04 . I know two methods to access the web-pages through terminal . They are lynx & elinkswhen i have tried to use them to access web-pages from terminal i didn't felt any kind of speed improvements . I am not sure whether its a usual thing or my speed (because its slow one ). so which way is the best to access the web-page terminal browsers or GUI browsers? and what else more i can get/lost from text terminals ?

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• SEO Tips - Updating Your Content and Avoiding Duplicate Filters

  If you are just getting into Search Engine Optimization, it's important that you are aware that content is the most important thing in your website in order to get high ratings. If you decide to hire an SEO Consultant, make sure that you explain to them exactly what you want your website to look like and the content that you would like it to feature. Having fresh and relevant content in your website is the key as that will bring web crawlers back frequently. There are different ways of achieving this while avoiding getting your website removed off of a search engine due to duplicate content.

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• Which subjects in (theorethical) computer science matter the most in practice?

  - by Anto

  As you should know, computer science and software engineering aren't the same thing. My question is which subjects in computer science are (in your opinion) most important for software engineers and most applicable in practice? Please don't talk about "niche" areas of computer science (e.g. compiler construction) because of the usage of that inside that niche (e.g. helps you create compilers), but instead about areas which might be applicable and useful in a wide spectrum of software engineering problems and jobs (e.g helps you with parsing structured text).

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• How do I share common classes between windows forms and web applications using C#?

  - by earthdog

  In our environment we have multiple ERP servers plus data that are coming from multiple sources. I need to create a development roadmap for the coming years as it is obvious that side applications will be needed for many things. The choice is that the development will occur with Microsoft technologies. This means that I will be building either web apps (MVC, web forms e.t.c) or standard windows forms applications. The thing here is that I will be creating classes that will encapsulate the business logic that I want to apply to the different projects. What I thought so far: 1) Create class libraries dlls containing the required logic 2) Reuse these libs in my apps. But what about the web apps? Should I use the dlls directly or I should encapsulate them in web services and consume the web services in web apps? In general I would like to find out how should I build my strategy.

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• What soft can create deb repository with several versions of the same package?

  - by bessarabov

  I want to create my own deb repository to store some packages. I've tried reprepro and it works fine, except one but fundamental feature. Reprepro can't store several versions of the same package in the repository. But the ability to store several versions of the same package is essential to me, so I'm asking what soft can do such a thing. Here is a piece of reprepro FAQ that shows that it can't do it: 3.1) Can I have two versions of a package in the same distribution? ------------------------------------------------------------------- Sorry, this is not possible right now, as reprepro heavily optimizes at only having one version of a package in a suite-type-component-architecture quadruple. You can have different versions in different architectures and/or components within the same suite. (Even different versions of a architecture all package in different architectures of the same suite). But within the same architecture and the same component of a distribution it is not possible.

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• CreateDXGIFactory Doesn't Let Program Exit

  - by smoth190

  I'm using CreateDXGIFactory to get the graphics adapters and display modes. When I call it, it works fine and I get all the data. However, when I exit my program, the main Win32 thread exits, but something stays open because it keeps debugging. Does CreateDXGIFactory create an extra thread and I'm not closing it? I don't understand. The only thing I would suspect is that in the documentation it says it doesn't work if it's called from DllMain. It is in a DLL, but it's not called from DllMain. And it doesn't fail, either. I'm using DirectX 11.

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• Blank Screen ... No Bios Loading Screen Either

  - by SwissStar

  I don't even know how long it's been but I had given up. until now. My screen does not come on AT ALL, not even and the Bios loading screen. I have to connect it to my TV in order to see. But there's one thing that has always started it back up, and that is by running a hard ware Diagnostics * Provided by DELL* . It is definitely has something to do with Ubuntu. I know that for sure, because I remember running an update and BAM . That was it for the screen. How could I restore my screen back to Life ? I have a Nvidia Graphics Card.

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• What job is most similar to being a DBA?

  - by fatherjack

  As long as I have worked with computers, and that's a length of time that may be easier on the eye when converted to dog-years, computers have been compared with cars. I guess the car was the most complicated thing in our lives until the PC arrived. We had plenty of time to get used to the car and how it worked, or not, and how it gradually became more complex. We can compare backups to spare tyres, CPU cores to pistons ("the more you blow, the faster you go"), and so on. I am not aware...(read more)

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• Base on User Drawing Create Polygon Body as well Image

  - by Siddharth

  In my game, I want to provide a user with drawing feature. By free hand drawing user create a polygon shape. So in my game implementation I have to create body for all found vertices and I have to generate image based on that polygon shape. So my problem is how to create image that match the user provided vertices. In cocos2d I listen that there is an implementation of something like Image Masking. But I don't understand how that thing I implement in andengnine. Please provide any guidance on how to create image same as user generated polygon shape.

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• How do I get HDMI out working on an Acer AC700 HDMI?

  - by Kyle

  I have installed Ubuntu on my Acer AC700 (Chromebook) using both the Cr-48 method and the script method both of which I think are the same. The only thing that does not work is HDMI out. I assume this is because it uses the Chrome OS kernel to boot so I have hoped that eventually it would update and work. I'm currently running 12.04 with Kernel 3.4.0 and still no luck. I've tried booting in recovery for Ubuntu and attempting to get Xorg to generate a new config but I don't know enough to do anything else and that didn't work. Am I the only one out there? Is there no one else who wants this to be possible Any help is greatly appreciated.

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• Where has Cloud Computing gone?

  - by Srikar

  I have been hearing about this term for close to 5 years now. I have read about services from Microsoft (Azure), but I have never saw it adopted in the mainstream usage. The thing I am trying to understand is this: What happened to cloud computing? Is the infrastructure at present insufficient to implement this? Is it still in its infancy? Is it being used in other forms, like all the services Google seems to provide (plus Plus Google OS, etc)? If it has failed, then why?

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• Event Aggregator.. not getting a response, how to determine completion?

  - by Duncan_m

  I'm rewriting a vehicle tracking application, a google maps based thing.. The users are able to search for a vehicle by typing a few characters of the vehicles "callsign". My application is based around a sort of "event bus" within Backbone.. when a search occurs I send a message on the bus saying something like "does anyone match this?".. If a marker matches the search term it responds with a sort of "yes, I match!".. My challenge arises when no-one matches, I get no response.. it feels a little hacky to "wait a little while" and check if a response has been recieved.. The application is based around Backbone.js and using the Event Aggregator pattern described in the answer to this question on Stack Overflow: http://stackoverflow.com/questions/7708195/access-function-in-one-view-from-another-in-backbone-js Is there a well defined design pattern that might assist me here? Sending a request for a response and not getting any responses?

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• Algorithm to generate N random numbers between A and B which sum up to X

  - by Shaamaan

  This problem seemed like something which should be solvable with but a few lines of code. Unfortunately, once I actually started to write the thing, I've realized it's not as simple as it sounds. What I need is a set of X random numbers, each of which is between A and B and they all add up to X. The exact variables for the problem I'm facing seem to be even simpler: I need 5 numbers, between -1 and 1 (note: these are decimal numbers), which add up to 1. My initial "few lines of code, should be easy" approach was to randomize 4 numbers between -1 and 1 (which is simple enough), and then make the last one 1-(sum of previous numbers). This quickly proved wrong, as the last number could just as well be larger than 1 or smaller than -1. What would be the best way to approach this problem? PS. Just for reference: I'm using C#, but I don't think it matters. I'm actually having trouble creating a good enough solution for the problem in my head.

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• Even distribution through a chain of resources

  - by ClosetGeek

  I'm working on an algorithm which routes tasks through a chain of distributed resources based on a hash (or random number). For example, say you have 10 gateways into a service which distribute tasks to 1000 handlers through 100 queues. 10,000 connected clients are expected to be connected to gateways at any given time (numbers are very general to keep it simple). Thats 10,000 clients 10 gateways (producers) 100 queues 1000 workers/handlers (consumers) The flow of each task is client-gateway-queue-worker Each client will have it's own hash/number which is used to route each task from the client to the same worker each time, with each task going through the same gateway and queue each time. Yet the algorithm handles distribution evenly, meaning each gateway, queue, and worker will have an even workload. My question is what exactly would this be called? Does such a thing already exist? This started off as a DHT, but I realized that DHTs can't do exactly what I need, so I started from scratch.

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• Comparisons of Javascript 'data grids'?

  - by Joe

  I've found plenty of questions between here and StackExchange of people asking for the 'best' data grid / data table, or one that has a particular feature, and plenty of lists out there (of various ages) listing the various data grid implementations ... but is anyone aware of any matrix of what features the various solutions implement? (eg, allow shift-click to select multiple; support checkboxes for selection; can update a regular table in-place; allow editing of cells; support websql or indexeddb for local caching; which browsers they support; infinite scroll; etc.) There's a generic 'javascript framework' comparison on wikipedia, which would be the sort of thing I'm looking for, but it doesn't go into detail on data grids. (which makes sense, as so many are extensions, not core features of those frameworks, and in the case of jQuery, there's lots of 'em.)

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• Multiple ( V- / I- ) Buffers, is it sane?

  - by Techie

  Currently I am developing an RTS game using XNA ( / ANX.Framework ). There is one thing bothers me. I am not sure in what way or how to organise Buffers. Should I use a new Vertexbuffer for any object ( e.g. a Char, a Table, an model ) or is it better to use ONE HUGE/ BIG Buffer to store any geometry in? I am still new to 3D Programming though I finished yet couple games using DirectX 9. Well, I hope this question qin't a duplicate and I appreciate any answer leading me into the right direction.

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• A Single wireless network is not showing up in Ubuntu that used too, and other devices have no issue finding or connecting to it

  - by Kit Sunde

  Up until about a week ago I could connect to my wireless, but now I suddenly can't. Every other wireless in the area show up in the network manager. My kindle can connect to it, my friend can connect to it (in windows) without having connected to it before. My other netbook (Samsung NC10) can connect to it, but my other Samsung N150 now cannot even see it. I have tried deleting the old auto entry for it in the network manager Tried disabling and enabling both the networking and the wireless through the network indicator. Disabled the networking through the hardware shortkut key thing [fn] + [F9] Attempting to connect to it as if it was a hidden network. I'm at a loss, how would I go about debugging and unborking my computer?

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• What is the best stucture of SEO friendly URL?

  - by Aajahid

  I'm working for a website to convert the website URL to an SEO friendly URL. I plan to use this: mysite.com/category-name/pageid-123-page-name I looked at some similarly categorized, highly ranked websites. They have the same structure, except for one thing. In one case, the URL format was thissite.com/category-name/pageid-123-page-name.html Another was thatsite.com/category-name/pageid-123-page-name.php Now I know the text in URLs help with SEO. Is it more helpful to have a file extension? If yes, which one is better? Or if my current plan is okay, will it be better with a / at the end?

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