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• Application versioning

  - by Mathew

  Haven't find similar issue so sorry if thats a duplicate. I'm about to start a migration of an already existing project from one web container version to the another. Currently, the application version is 2.2.5. Business requirement is to deliver a 3.0 version by the end of the year. Additional constraint is to release a working, stable version by the end of Q3. We are about to work in 2-weeks sprints and I'm wondering how can I approach the problem? I was thinking about releasing 2.3 by the end of Q2, then immediately promoting it as 3.0-a1, work on alphas (3.0-a2, 3.0-a3, ...) till the end of Q3, to start with 3.0-b1 in the early Q4 and finally release 3.0 around December. I don't feel comfortable saying that the application is already in 3.0 state in July, but I can't see other options. If you find some book chapters/blogs or your personal experience interesting please share your opinion.

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• What would be the market life of a JVM based software framework?

  - by Nav

  I saw how Struts 1 lasted from 2000 to 2013. I hear that people are moving from Struts 2 to Spring. But for a project that may need to be maintained for a decade or two, would it be advisable to opt for a framework or directly code with servlets and jquery? Can a system architecture really be designed keeping in mind a particular framework? What really is the market life of a framework? Do the creators of the framework create it with the assumption that it would become obsolete in a decade?

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• Which iso image do I need to install Ubuntu 12.04 on a Macbook Pro so that it boots using UEFI?

  - by gentmatt

  Unlike with earlier releases, the website is unclear on giving a straight recommendation for installing ubuntu on a mac: http://cdimage.ubuntu.com/releases/12.04/release/ I've read several times, that I should use an alternative image. But this is only offered as 64-bit. However, I'm also told to rather use 32-bit images for better software compability. http://cdimage.ubuntu.com/releases/12.04/release/ubuntu-12.04-alternate-amd64+mac.iso Even though I should only use alternative images, there is offered a standard desktop image which is "adjusted to work properly on Mac systems". http://cdimage.ubuntu.com/releases/12.04/release/ubuntu-12.04-desktop-amd64+mac.iso Question Which image should I take? Do both of these images offer UEFI boot? I've tried both of them already, but both have setup an install with BIOS emulation. This is quite annoying because of the short battery life and high temperatures which are harmful to battery longevity.

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• c# multi - point selection on an image

  - by sinem

  I'm designing interface with visual c# for my image processing project. i'm not good at c# codding. and i haven't enough time. I need point selection on an image and classification these points for using in my image processing code at vhdl. Orginal image will stay at a picturebox and i will use selected image in another picturebox. How i can select points on an image ? please could you help me or send me similar code? I'm getting so confused thank you.

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• Pending and Approval process

  - by zen

  So let's say I have a DB table with 8 columns, one is a unique auto-incrementing used as ID. So I have a page that pulls in the info for each row based on query string ID. I want to give my users the ability to propose changes. Kinda like a wiki setup. So I was thinking I should just have another duplicate table or maybe database altogether (without the auto-incrementing column and maybe with a date edited column) that keeps all proposed changes in queue and then when I approve them, the script can move the row from the proposed DB to the real DB. Does this sound good or is there a better process for this?

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• How to simulate objects floating on water without a physics engine?

  - by user1075940

  In my game the water movement is done in a shader using Gerstner equations. The water movement looks realistic enough for a school project but I encounter serious problem when I wanted to do sailing on waves (similar to this). I managed to do collision with land by calculating quad's vertices and normals beneath ship, however same method can not be applied to water because XZ are displaced and Y is calculated in a shader :( How to approach this problem ? Is it possible to retrieve transformed grid from shader? Unfortunately no external physics libraries can be used.

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• Where can I learn to write my own database?

  - by Buttons840

  I'm interested in writing my own database - a triple-store. Are there any good resources to help with the challenges of such a project? Or more generally: How can I learn to write my own database? Some specific issues I'm unsure of: How is the data actually stored on the file-system? A flat-file seems easy enough, but a database is a lot more then a flat-file. What kinds of things are typically stored (or cached) in memory? How are indexes created and stored? How is ACID compliance achieved? Etc. This is a big topic, but knowing how to store large amounts of data in a reliable way is good to know. (My investigation into existing triple-stores was summarized back in 2008; not much has changed in 4 years it seems. This is why I want write my own.)

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• How much time do you spend actually developing vs. infrastructure activites?

  - by Can't Tell

  When I'm working I feel like most of the time I'm not doing actual work. For example after making a change to the code in order to test it, I have to first build the project, and start the server(say JBoss). Upon testing, I find that there is another small issue. So I bring down the server, make the changes, build again and start up the server again.The building and bringing the server up/down is not very useful work. Also, the IDE (lets say Eclipse) does things such as updating Maven indexes and building the workspace which take some more time to get things done. Have you come across this kind of situation? Do you have tips on how to overcome/bypass this? Any features on the IDE/build tools that can be helpful? Any architecture/application design/technology that attempts to overcome this?

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• How can I perform a masked erase in SDL2?

  - by Kvisle

  I'm trying to implement some shadow/lighting effects in my 2D-project, and I've concluded that if there is an easy way to perform a masked erase on an SDL_Texture, it would make the drawing operations quite cheap. Let's say I have a texture of the part of the level where light is not meant to be rendered. I also have a texture with my "light map"; I want to use this to just draw omni lights from my light sources. Then I want to use the first image to 'subtract' the portions of the light map that are not to be rendered on the final scene. Then I draw my "light map" texture on top of my scene, with additive blending enabled. This sounds like a good theory in my head, but I can't see any functions in the SDL2 API that let me do masked erase from a texture. Am I overlooking something? Does anything like this exist?

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• Should I drawing directly on CCLayer or CCSprite?

  - by einverne

  Now I am a little confused in my cocos2d-x cpp project. I want to draw lines with user's finger touch. Following the screenshot of a CCScene: In the screen, there are two squares. I want show an animation in the first square and let the second one draw lines with user touch. Now these two squares are CCSprite. And I can draw dots in the second one on the CCLayer. But I am little confused that I should draw lines on the Sprite or on the Layer. Or are there other ways to organize the code?

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• Data-driven animations

  - by saadtaame

  Say you are using C/SDL for a 2D game project. It's often the case that people use a structure to represent a frame in an animation. The struct consists of an image and how much time the frame is supposed to be visible. Is this data sufficient to represent somewhat complex animation? Is it a good idea to separate animation management code and animation data? Can somebody provide a link to animations tutorials that store animations in a file and retrieve them when needed. I read this in a book (AI game programming wisdom) but would like to see a real implementation.

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• Shinkansen for ASP.NET MVC Now Available

  While building Morts and Elvises with MVC2, I cut over Shinkansen to support MVC syntax within views and master pages. I’ve included a sample MVC project, which you can either download from Codeplex or view online: view or download source code. In either case, peek inside Site.Master and you’ll see CSS includes at the top… <%= ShinkansenMvc.Includes (c = { c.AddCss ("~/assets/css/addthis_widget.css"); c.AddCss ("/assets/css/reset.css"); c.AddCss ("assets/css/sifr.css"); ...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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• Minecraft Coding Pack: Stair block texture

  - by JamerTheProgrammer

  I have MCP setup and working nicely. I would like to make another stair block. I have copied the wooden stair block file and then pasted it and renamed it BlahStairBlock. I'm trying to set a texture for the stair block but it wont work. public int getBlockTextureFromSide(int side) { if(i==side) { // Workshop top return 43; } return blockIndexInTexture; } This is what I'm using to set the texture.... It just isn't working. Any ideas of why?

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• Can I (reasonably) refuse to sign an NDA for pro bono work? [closed]

  - by kojiro

  A friend of mine (let's call him Joe) is working on a promising project, and has asked me for help. As a matter of friendship I agreed (orally) not to discuss the details, but now he has a potential investor who wants me to sign a non-disclosure agreement (NDA). Since thus far all my work has been pro bono I told Joe I am not comfortable putting myself under documented legal obligation without some kind of compensation for the risk. (It needn't be strictly financial. I would accept a small ownership stake or possibly even just guaranteed credits in the code and documentation.) Is my request reasonable, or am I just introducing unnecessary complexity?

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• SEO penalty for landing page redirects

  - by therealsix

  Using ebay as an example- lets say I have a large number of items whose URLs' look like this: cgi.ebay.com/ebaymotors/1981-VW-Vanagon-manual-seats-seven-/250953153841 I want to give my client the ability to put links to these items on their website EASILY, without knowing or checking my URL. So I created a redirect service that will map their identifier with my URL: ebay.com/fake_redirect_service/shared_identifier9918 would redirect to the link above. This works great- my clients can easily setup these links with information they already have, and the user will see the page as usual. So on to the problem... I'm concerned that this redirecting service will have a negative impact on my SEO ranking. Having a landing page redirect you immediately to a different URL seems like something a typical spam site would do. Will this hurt me? Any better solutions?

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• Continous Delivery TFS

  - by swapneel

  Is it possible to achieve Continuous Delivery using TFS e.g. Windows Service? There are 1000 posts on how to use msdeploy with TFS for WEB projects. I am trying to understand why there are no resources such as blogs, articles, msdn or best practises for Continuous Delivery for Windows service using TFS. I am not sure tow to achieve the following without any working reference materials. This is so frustrating. Archive existing codebase on Remote server for Service as well for Web project not on Integration Server please! How To Stop services on Remote server not on Integration Server Copy New code Base on Remote Server Start Services

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• Error when I compile kernel 3.3.2 in ubuntu 12.04

  - by rock-alternativo

  I thinks is not a bug of ubuntu. This is the output: OBJCOPY arch/x86/boot/vmlinux.bin HOSTCC arch/x86/boot/tools/build BUILD arch/x86/boot/bzImage Setup is 16800 bytes (padded to 16896 bytes). System is 4599 kB CRC f77d64c0 Kernel: arch/x86/boot/bzImage is ready (#1) Building modules, stage 2. MODPOST 3268 modules ERROR: "__modver_version_show" [drivers/staging/rts5139/rts5139.ko] undefined! WARNING: modpost: Found 4 section mismatch(es). To see full details build your kernel with: 'make CONFIG_DEBUG_SECTION_MISMATCH=y' make[1]: *** [__modpost] Error 1 make: *** [modules] Error 2

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• How to build completely modular web applications

  - by Webnet

  In the coming months we're going to begin a project where we take a system we've built for a client (v1) and rebuild it from scratch. Our goal with v2 is to make it modular, so that this specific client will have their own set of modules they use, then another client may use a different set of modules altogether. The trick here is that Company A might have a series of checkout and user modules that change how that system works. Company B might stick with the standard checkout procedure but customize how products are browsed. What are some good approaches to application architecture when you're building an application from scratch that you want to have a Core that's shared among all clients while still maintaining the flexability for anything to be modified specifically for a client? I've seen CodeIgniter's hooks and don't think that's a good solution as we could end up with 250 hooks and it's still not flexible enough. What are some other solutions? Ideally we won't need to draw a line in the sand.

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• how can I change object look point?

  - by jques

  I have tried to load image but system does not give permission. Please look image http://www.rps.net/gunslinger/scrnshot/gunslinger33.jpg I have two arm with two gun, I want to rotate these arm with mouse. For example, if I move mouse position to the left, arms with guns should be move also. Since this is hoby project, I am a bit confort to ask below question ; What should I do to achieve my wish ? some explanation: perspective view gun in viewing direction left click = trigger left gun perspective Feel free to change the title Thanks

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• What to do if I hate C++ header files?

  - by BlaXpirit

  I was always confused about header files. They are so strange: you include .h file which doesn't include .cpp but .cpp are somehow compiled too. NOTE: I UNDERSTAND EVERYTHING ABOUT THE HEADERS, PLEASE DON'T TELL ME I'M STUPID OR SHOULD USE OTHER LANGUAGE Recently I joined a team project, and of course, both .h and .cpp are used. I understand that this is very important, but I can't live with copy-pasting every function declaration in each of multiple classes we have. How do I handle the 2-file convention efficiently? Are there any tools to help with that, or automatically change one file that looks like example below to .h and .cpp? (specifically for MS VC++ 2010) class A { ... Type f(Type a,Type b) { //implementation here, not in another file! } ... }; Type f(Type a) { //implementation here } ...

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• How to enter the Default Keyring password via the command line?

  - by Jerkofalltrades

  Is there a way to enter the default keyring password using the command line? For instance: You have a remote setup of Ubuntu 10.10 thats set to auto login. You don't want to remove the keyring password. All right the system boots up and logs in automatically, then asks for the keyring password now at this point you can create ssh connections but you can't remote desktop. What can you do to enter the keyring password at this point? Also, to better clarify, this is from a remote connection using the command line.

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• Are there any surveys on to what degree developers like or hate scrum ?

  - by dparnas

  Background: During a conference an analyst pointed out in a tweet that developers hate scrum. Myself and another person responded that this was not the case, and started discussing different scenarios on why developers would dislike scrum. One of the scenarios where that lazy developers are not able to hide in a scrum project. They are constantly challenged by the team to contribute. This discussion resulted in a blog post and video http://elsewhat.com/2010/05/20/lazy-developers-hate-agile-and%C2%A0scrum/ I've gotten three comments which I've tried to answer in a neutral way, but they comments do point out that there are some people who loathe scrum (and I am always 100% certain they are not lazy developers). Question Have there ever been a survey among developers on to what degree developers like or hate scrum ?

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• 2D Topdown Shooter Mouse Movement

  - by Jarmo

  I'm trying to make a topdown 2D space game for my school project. I'm almost done but I just want to add a few little things to make the game more fun to play. if (keystate.IsKeyDown(Keys.W)) { vPlayerPos += Vector2.Normalize(new Vector2(Mouse.GetState().X - vPlayerPos.X, Mouse.GetState().Y - vPlayerPos.Y)) * 3; rPlayer.X = (int)vPlayerPos.X; rPlayer.Y = (int)vPlayerPos.Y; } if (keystate.IsKeyDown(Keys.S)) { vPlayerPos += Vector2.Normalize(new Vector2(Mouse.GetState().X - vPlayerPos.X, Mouse.GetState().Y - vPlayerPos.Y)) * -3; rPlayer.X = (int)vPlayerPos.X; rPlayer.Y = (int)vPlayerPos.Y; } This is what i use to move towards and away from my mouse crossair. I tried to make a somewhat similar function to make it strafe with "A" and "D". But for some reason I just couldn't get it done. Any thoughts?

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• Global Adopt a JSR Program Update

  - by heathervc

  The Global Adopt a JSR program, combining efforts of SouJava and London Java Community,  is an excellent place to get some Java User Group (JUG) resources for JSRs.  It also has the potential to act as an extra set of eyes, ears and volunteers for JSRs. The Global project to go to is at: http://adoptajsr.java.net.  The wiki page explaining the whole program and benefits to Spec Leads and EG's can be found there, including: The mailing list: [email protected] . Portugese speakers-mainly Brazlian JUG members-have their own mailing list and more language lists may be added as required. The IRC channel is at adoptajsr on irc.freenode.net Also check out this InfoQ article with Martijn Verburg about the London Java user group, the Adopt a JSR program, the JCP and Oracle’s handling of the Java community.

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• After Upgrade from 13.04 to 13.10 missing user in login screen

  - by Mark

  I have upgraded to 13.10 from 13.04 now after booting (even after updates and rebooting) my user id is not listed. It has a uid higher than the minimum in lightdm.conf. I have the user light display manager , guest , and remote login options in the login screen but not my ususal user id that I have been using from ubuntu 9 something. It is a normal user and an administrator so that I could authorize drivers, updates, etc... I do not have any custom display manager setup. It has been standard unity since unity was available. I can login to my account by logging in as guest opening a termial and using su - user Any insight would be appreciated. Thanks

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