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• Cannot execute binary file

  - by user291727

  I am new to Ubuntu and I'm trying to install Popcorn Time. I downloaded 32 bit version and tried to install it but that's where the problem started showing. I duble clicked the executable file and well, nothing happened. It's a official download from their web-site but it doesn't work. Maybe I'm doing something wrong.....Anyway, I found out that you can insatll it from a script, but people keep talking in ubuntu terms and I don't understand it, so I have a few questions: 1.How to make a script? (witch I'm suppose to run in terminal using bash comand), 2.Is it normal that i cannot run the installer, and if that is an installer or just files for the program. 3.If it is an installer, how do I make it work? 4.What does " Cannot execute binary file" mean? Thank you in advance, hope I'm not asking too many questions(please understand that I'm new to ubuntu) and sorry about my English. xD

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• How should I interpret these DirectX Caps Viewer values?

  - by tobi

  Briefly asking - what do the nodes mean and what the difference is between them in DirectX Caps Viewer? DXGI Devices Direct3D9 Devices DirectDraw Devices The most interesting for me is 1 vs 2. In the Direct3D9 Devices under HAL node I can see that my GeForce 8800GT supports PixelShaderVersion 3.0. However, under DXGI Devices I have DX 10, DX 10.1 and DX 11 having Shader model 4.0 (actually why DX 11? My card is not compatible with DX 11). I am implementing a DX 11 application (including d3d11.h) with shaders compiled in 4.0 version, so I can clearly see that 4.0 is supported. What is the difference between 1 and 2? Could you give me some theory behind the nodes?

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• What hinders Ubuntu from getting traction in the professional field? [closed]

  - by Prasad

  If this is not the place to ask this, please forgive this Ubuntu cub, I want to ask, what do people do with Ubuntu? As an Ask Ubuntu user I can see that most of the users (including myself) are asking questions about entertainment related problems. Is that all? No commercial use with it? Do people make fun of Ubuntu or just pretending to be Ubuntu users and use Windows secretly? Please don't hate me or make fun of me, I know lots of people trying to make Ubuntu even better, and I know it's better than Windows (if Adobe software just work on Ubuntu, I won't see Windows logo on my monitor anymore). What hinders Ubuntu from getting traction in the professional field?

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• How to improve testing your own code

  - by Peter

  Today I checked in a change on some code which turned out to be not working at all due to something rather stupid yet very crucial. I feel really bad about it and I hope I finally learn something from it. The stupid thing is, I've done these things before and I always tell myself, next time I won't be so stupid... Then it happens again and I feel even worse about it. I know you should keep your chin up and learn from your mistakes but here's the thing: I try to improve myself, I just don't see how I can prevent these things from happening. So, now I'm asking you guys: Do you have certain groundrules when testing your code?

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• Online examples for software design diagrams

  - by Gerenuk

  Do you know where I can find a good example of software design diagrams and specs on the internet? Like UML, specs and similar. I'd like to understand this approach better. Before I just started coding and now I'd like plan more in advance. By diagrams I don't mean made-up examples, but something that would actually be used. Also it shouldn't be so trivial that there is no use of using diagrams. Ideally it shouldn't be too large either. Do you know a good online source? (this question is about online resources and specific examples only. it is not asking about books or advise how to learn software design.)

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• Why is a linked list implementation considered linear?

  - by VeeKay

  My apologies for asking such a simple question. Instead of posting such basic question in SO, I felt that this is more apt a question here. I tried finding an answer for this but none of them are logically appealing or convincing to my understanding. Typically, computer memory is always linear. So is the term non linear used for a data structure in a logical sense? If so, to logically achieve non linearity in a linear computer memory, we use pointers. Right? In that case, if pointers are virtual implementations for achieving non linearity, Why would a data structure like linked list be considered linear if in reality the nodes are never physically adjacent?

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• Where do I add boot parameters to use ks.cfg

  - by user10822

  Hi, I created a kickstart file ks.cfg and then I have put that in the bootable disk*(Ubuntu 10.04)* and then added the following line to the isolinux.cfg linux ks=ks.cfg and have not removed any other lines from the isoconfig.cfg file and then while installing the installation is not automated, again it is asking for language and all. If i removed include menu.cfg or any other line from isolinux.cfg i am getting a boot error. What should i do now to automate the installation.Where should i add the boot parameters so that installation will start from the ks.cfg . Thanks and Regards Ravi Kumar

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• Where can I find Cinema4D for game development tutorials ?

  - by George Profenza

  Hi, I started to learn Cinema 4D. I've noticed it's really easy to use for motion graphics, but I want to use it for modeling for games/realtime 3d engines. Before I used 3dsmax and it was easy to estimate how a model would look/behave in a 3d engine. The two main things I did was displaying Polygon triangles and displaying the Polygon Count. I've found the Total Polygons tick in HUD settings in Cinema 4D, but I can't find any display mode that will show triangles. Is there there a way to display triangle faces/not quads in Cinema4D ? If so how ? There is a Triangulate function, but I'd rather not Triangulate/Untriangulate all the time, especially since it's converting back and forth between the two doesn't always produce the same result. I imagine I'm asking for old school techniques, but I plan to use these to make low poly models for web(canvas/webGL) and mobile.

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• An application asks to unlock the keyring on startup, but it doesn't say which one

  - by Idan K

  A couple of weeks ago a popup has appeared whenever I startup telling me that an application wants to access the keyring but it doesn't say which one. I'm used to seeing the application name on the popup but here it just says 'application'. I haven't changed any passwords or did anything that might have something to do with that, to my knowledge. I saw this question but like I said, I haven't changed any of my passwords, and I don't want my keyring password to be empty. How can I find out which application is asking to unlock to keyring and fix it?

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• Notebook overheating

  - by user71372

  I'm asking this question because I've tried many tips to solve they don't work and it sounds like a non-fixed bug ubuntu. My problem is with overheating. I've recently installed Ubuntu Precise 12.04 LTS alongside with MS Windows 7 on my notebook Samsung 530U. I'm using both via dual-boot mode. I've no heating problem with MS Win 7 and the fan speed is normal even with long run utilization. However, when booting with Ubuntu and after short time, the PC got very hot and the fan was running at max speed. I installed a tool called Jupiter, I put it in "Power Saving" mode but no result. Now, I avoid using ubuntu because I fear it'll damage my all new notebook. Please can you give me a "FINAL" fix of this problem (lot of answers exist but I don't know the more accurate and efficient one). Thank you in advance.

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• Does heavy JavaScript use adversely impact Googleability?

  - by A T

  I've been developing the client-side for my web-app in JavaScript. The JavaScript can communicate with my server over REST (HTTP)[JSON, XML, CSV] or RPC (XML, JSON). I'm writing writing this decoupled client in order to use the same code for both my main website and my PhoneGap mobile apps. However recently I've been worrying that writing the website with almost no static content would prevent search-engines (like Google) from indexing my web-page. I was taught about this restriction about 4 years ago, which is why I'm asking here, to see if this restriction is still in-place. Does heavy JavaScript use adversely impact Googleability?

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• Should Git be used for documentation and project management? Should the code be in a separate repository?

  - by EmpireJones

  I'm starting up a Git repository for a group project. Does it make sense to store documents in the same Git repository as code - it seems like this conflicts with the nature of the git revision flow. Here is a summary of my question(s): Is the Git revisioning style going to be confusing if both code and documents are checked into the same repository? Experiences with this? Is Git a good fit for documentation revision control? I am NOT asking if a Revision Control System in general should or shouldn't be used for documentation - it should. Thanks for the feedback so far!

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• Big Data Learning Resources

  - by Lara Rubbelke

  I have recently had several requests from people asking for resources to learn about Big Data and Hadoop. Below is a list of resources that I typically recommend. I'll update this list as I find more resources. Let's crowdsource this... Tell me your favorite resources and I'll get them on the list! Books and Whitepapers Planning for Big Data Free e-book Great primer on the general Big Data space. This is always my recommendation for people who are new to Big Data and are trying to understand it....(read more)

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• Looking for a very subtle unit testing example

  - by Stéphane Bruckert

  In the context of Continuous Integration, I need to teach unit testing to a 20-people audience of programmers. Everything will be all right, but I am still trying to find the perfect unit testing example. More than writing tests like a robot, I want to show that unit testing can help prevent very subtle errors. I am thinking of the following scenario to happen when doing a live TDD demo: the test cases would already be written, we would have to write methods together, most of us would naturally have forgotten to handle a specific case for a method, everyone would then be surprised, when seeing that all tests don't pass, the failing test would make us think more and realize that we forgot an important case. My question will probably finish as "too broad" or "not clear what you are asking", but we never know, one of you might have a great idea. Your answer can use Java and JUnit, though any other language will be fine since only the idea will matter.

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• Building a six-screen setup. What video cards options are there?

  - by Stephan

  I'm building myself a nice setup with a massive amount of screen real estate. Since I had/have problems with video drivers in the past. I'm asking for advise here first. I want to connect at least six screens. What are the best options? What are the pitfalls? I preferably would not like to use closed binary blob drivers. usecase scenario: I'm writing a piece of software that has to interact with other systems. I would like to be able to see all of those systems, my code, lots of log files and documentation without the need to swap windows/screens. To just better see what im doing.

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• Are there non-programming related activities akin to solving programming problems ?

  - by julien

  I'm talking about particular activities, for which you can draw parallels with the specific kind of reasonning needed when solving programming problems. Counter examples are activities that would help in almost any situation, like : take a shower or any other, somewhat passive activities, which are only helpful in triggering this sort of asynchronous problem solving our brain does exercise, because you brain simply works better when you're fit EDIT : It seems this question was quite misunderstood. I wasn't asking about what you can do when stuck on a problem but rather, what kind of activities you have in you spare time that you think help you, more or less directly, solving programing problems.

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• How to learn programming in Kindergarten?

  - by Kinder

  Last time I asked for peer review on a new language called KinderScript, which its Code Division Multiple Access succinct style looked like white noise that saturated two police reviewer's narrow band. The question has only 1 hour life with 38 views shortly after the shouting of shut-up-leave-now. Ok, That's totally off topic. That is not the question. I'm asking a peer review on the design of KinderScript [1], within the context of an intriguing: "How to learn programming in kindergarten?" [1] http://code.google.com/p/ac-me/downloads/detail?name=kinder.pdf&can=2&q= Thanks for any feedback. No police please. I choose this forum to ask because here has not only many professional but also many new leaners. Both views are appreciated.

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• Is it possible to update the livetile in XNA WP7 game?

  - by Jaakko Lipsanen

  ( I'm not sure if this question belongs here, but since it is related to game development and I have no idea where else I should post this, I will post this here ) As the title says, what I am basically asking is if it is possible to update the livetile of an pure XNA game ( not SL + XNA hybrid )? I've been thinking something like that whenever user launches the game, I would create an texture dynamically and then update the livetile to show that texture. Even better would be if I could schedule this code to run for example once a day, without requiring user to even launch the game. Is this possible in WP7 or in WP8 ( is the WP8 SDK even publicly released yet? ) in pure XNA game? What about in XNA + SL hybrid?

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• What are good/fast methods to pull data from a database using JavaScript?

  - by Yatrix

  I'm pretty new to web technologies and I am creating a filter control that will have cascading controls. We are doing a lot of this through JavaScript and are debating the best route to take to the database. HTTPHandlers, WebServices and Ajax are all being considered (or a combination of them). We want to be able to handle a million rows in theory, so it has to be scalable to at that. We are going through JavaScript as our page must not do post-backs, if your'e wondering. I'm asking from an architectural standpoint, but will take any useful information. Links, control suggestions - anything you have, I'll happily listen to.

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• Creating a bootable USB recovery drive to be used by someone who isn't computer savvy

  - by David

  I am looking for a way to prepare an image of an Ubuntu machine which would be bootable and installable in the easiest way possible. I'm actually preparing an Ubuntu machine for someone living far, and not computer savvy. If he ever has troubles with his installation, he could just put a USB drive in, boot the machine and everything would be resetted for him. I know there are many methods of creating/loading an image of a drive, but the ones I've found so far have complicated menus with several options to choose from, etc. Ideally, perhaps only asking a Yes/No question such as "Would you like to reinstall?" would be great. Does such a tool exist? Thank you in advance!

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• MPL with Commercial Use Restrictions (And Other Questions)

  - by PythEch

  So basicly I want to use MPL 2.0 for my open source software but I also want to forbid commercial use. I'm not a legal expert, that's why I'm asking. Should I use dual-license (MPL + Modified BSD License)? Or what does sublicensing mean? If I wanted to license my project, I would include a notice to the header. What should I do if want to dual-license or sublicense? Also, is it OK to use nicknames as copyright owners? I am not able to distribute additional files (e.g LICENSE.txt, README.md etc) with the software simply because it is just a JS script. By open-source I mean not obfuscated JS code. So in this case, am I forced to use GPL to make redistribution of obfuscated work illegal? Thanks for reading, any help is appreciated, answering all of the questions is not essential.

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• Why use string.Empty over "" when assigning to a string object

  - by dreza

  I've been running StyleCop over my code and one of the recommendations SA1122 is to use string.Empty rather than "" when assigning an empty string to a value. My question is why is this considered best practice. Or, is this considered best practice? I assume there is no compiler difference between the two statements so I can only think that it's a readability thing? UPDATE: Thanks for the answers but it's been kindly pointed out this question has been asked many times already on SO, which in hind-sight I should have considered and searched first before asking here. Some of these especially forward links makes for interesting reading. SO question and answer Jon Skeet answer to question

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• Silverlight Goes Mobile!

  - by PeterTweed

  The most exciting announcements from Mix 2010 last week for me were the release of the Windows Phone 7 Series SDK and the news that the platform utilizes Silverlight for the application development technology. From the press and exposure that the platform is being given and the experience that is promised it looks like the Windows Phone 7 Series could eventually compete with the iPhone. For me this is exciting as Silverlight can now be used to develop RIA apps, easily deployed desktop apps and mobile apps. As someone who delivers enterprise technology solutions this equates to a whole bunch of opportunity knocking at the door and asking to join the party. Watch this space for future posts on developing apps on the Windows Phone 7 Series platform!

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• I'm 15 and I really want to study Computer Science at University, any advice?

  - by Jake

  I already do a lot of programming in my spare time. I'm confident with PHP, Javascript, jQuery which I use in combination with HTML to create mock-up websites. The specific part of programming I want to get in to is web development/web applications. What I'm asking is since I'm pretty sure this is what I want to do, how can I get a head start? Edit: "If you could tell your 15 year-old self to do something that would benefit your programming career, what would it be?" - I just thought of this and thought it would be a better, more specific question :)

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• New Windows Phone 7 Developer Guidance released for building line of business applications

  - by Eric Nelson

  Several partners have been asking about guidance on combining Windows Phone 7 applications with Windows Azure. The patterns and practices team recently released new guidance on Windows Phone 7.  This is a continuation of the Windows Azure Guidance. It takes the survey application and makes a version for Windows Phone 7.  The guide includes the following topics: Prism for Windows Phone 7 Reactive Extensions WCF Services on top of Windows Azure Push Notifications Camera & Voice Panorama Much more... Well worth a read if you are an ISV looking at taking Line of Business applications to Windows Phone 7. Related Links: We have created Microsoft Platform Ready to help software houses develop applications for Windows Azure and On-Premise. Check it out and the goodies it can deliver for little effort.

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