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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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• 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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• Ubuntu One under KDE

  - by Andy Goss

  Currently, while Ubuntu One can be installed under KDE, Dolphin does not know about it, so it cannot set folders other than Ubuntu One to sync. There is a command line utility, "u1sdtool", which performs most if not all the functions you need. Setting the keyring password to be the same as your login won't prevent Ubuntu One asking you for it again on login. If you want to change it, install Seahorse, look for it in your menus as "Passwords and Keys", and right click over "Passwords: default", then select "Change Password". The various deleting tricks I've read about don't work for me. There is an ubuntuone-client-kde being developed, but no clue as to when it will appear in a stable repo. Any further advice will be welcomed by me and doubtless a few other KDE users.

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• How do I prevent an external monitor from shutting off when closing my laptop lid?

  - by Thom

  I've seen this issue on previous versions of Ubuntu, but not on 12.04 and some of those are resolved bugs, so I'm asking again. I've set up power management so that, when plugged in, my laptop does nothing when the lid is closed. I do this so that I can use as a desktop with my external monitor with the screen closed and the laptop scurried away from my desktop. I tried turning off the laptop monitor to see if that made a difference, but it doesn't. The problem is that closing the lid still shuts off my external monitor. What can I do to prevent this?

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• Cannot set Chrome as default browser

  - by user1951615

  This has been asked before but there is no answer that works for me. The last answer I saw said to use System Settings. If I look there (Details, Default applications, Web), it says that Chrome IS my default browser. But every time I launch Chrome, it asks me again. If I look within Chrome under Settings, Default Browser, it says that it is not the default browser. There is a large button marked "Make Google Chrome the default browser" but, as someone else as already reported, this button has no effect. I am on the stable channel for Chrome. I tried making a comment to the existing thread but was unable to. That is why I am asking as a new question.

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• Shame on you for stealing

  - by BuckWoody

  It's become quite common for people with no morals to steal from others. But that doesn't make it right. If you're reading this on SQLBLOGS.NET, then it's stolen from my "real" blog location. Send an e-mail right now to [email protected] and let this person know that taking something without asking is stealing - and he or she should be ashamed of themselves. Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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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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• 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 set up an environment for android app development?

  - by The Dark Knight

  I have been researching for sometime now regarding the process to install android sdk and associated tools . After visiting Android Developers page, i first installed the android sdk and then installed eclipse plugins for my indigo version from the install softwares options.However, it is mentioned in the developers page : Download the Android SDK. Install the ADT plugin for Eclipse (if you’ll use the Eclipse IDE). Download the latest SDK tools and platforms using the SDK Manager. I have downloaded the sdk and installed the adt plugins for eclipse.I just need to point the eclipse towards the location of the sdk. However, i am stuck at the last step which is asking me to download the latest tools using the sdk manager. The manager interface pops up and i see a lot of options there. I don't know which ones i must select and install. If some one can help me out here and tell me which options to choose and install(if possible, with a screen shot), it will be very beneficial for me.

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• Right tool for the job(html5 vs silverlight)

  - by Jargo

  I have been tasked to develop a web based offer request application for bathrooms and I am asking opinions on which tool should I choose. I have narrowed options down to two (html5 and silverlight). Most of the application consists of basic UI elements that could be achieved with html4. However most challenging part is the design view for the bathroom. User first defines size of the bathroom by giving dimensions. When the dimensions are defined the application renders an empty bathroom floorplan and user can start dragging&dropping furniture on to it. Some furniture have rules where they can be dragged. For example sinks can only be dragged next to a wall. I know that this functionality can be achieved with silverlight but what about html5 ? I know that Canvas element can be used to draw graphics, but can it render the bathroom smoothly as user drags a piece furniture on it?

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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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• 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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• How Can Someone With Minimum Programming Experience Publish an App of an Existing Program not found in the Software Centre?

  - by Brenton Horne

  There's a free mathematics software that I would like to see in Ubuntu Software Centre, called, 'Sage.' I have minimal experience in programming, so I'm basically here asking if someone could either tell me how to accomplish this without said instructions being completely over my head or if someone could do it for me. For further information here's the sage homepage: http://sagemath.org/ and the .tar.lzma file for its installation is ~500MB and it takes around 2.2 GB on the HDD when installed, I found at least on 32 bit i386 Ubuntu 12.04 LTS. Any help will be greatly appreciated!

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• Are there any useless language features in the C or C++ language? [closed]

  - by ThePlan

  As a beginner I often found myself saying "This is so useless. How can this ever help me?" only to find out later on that it is essential and I was a fool. The moral, however, tends to be that the C or the C++ language are perfect and they contain nothing of no-use to programmers. I'm asking this question for 2 reasons: out of pure curiosity and so that I may know what not to learn. In a nutshell - are there any useless language features in the C or the C++ language, which good programmers almost never use? It would also be of great help if you would mention weather they are a bad practice when used or just purely useless.

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• How can i run my .LÖVE game directly from the lua interpreter?

  - by jonathan

  I've just started with LOVE and LUA , i'm interested in LOVE because i want to play around with something different from my dayjob(i'm a webdeveloper) and since it uses LUA and is interpreted , i though it would be a great way to try out the API. but i couldn't find how to run my .LÖVE game directly from the lua interpreter? i'm finding it bothersome to package the game each time i make a little test with the API. since i couldn't find the answer i'm asking, but maybe i'm serching for the wrong terms, if this it is a simple matter like "import the library" or set the global, i'll gladly remove my question.

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• Should extension scripts be run in a sandbox?

  - by Cubic

  In particular, this is about game extensions written in lua (luajit-2.0). I was contemplating whether I should restrict what these scripts can do, and arrived at the conclusion that I probably shouldn't: It's hard to get right. Sounds silly, but chances are my sandbox is gonna end up leaky anyways. The only benefit I could think of would be giving users some sense of security when running third party scripts. The disadvantages would be that it's just incredibly annoying for extension writers. That is, for now, myself (game content will be mostly scripted). The reason I'm asking this now before I actually have anything presentable is that adding a sandbox early on is easy, but would impose said annoying restrictions on myself too. However if I first go on with it and then later decide I do need a sandbox after all, I'm gonna run into problems (I'd either have to rewrite the scripts that are already there, or introduce some form of trust management system which seems to be more trouble than it's worth).

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• Mock Objects for Testing - Test Automation Engineer Perspective

  - by user9009

  Hello How often QA engineers are responsible for developing Mock Objects for Unit Testing. So dealing with Mock Objects is just developer job ?. The reason i ask is i'm interested in QA as my career and am learning tools like JUnit , TestNG and couple of frameworks. I just want to know until what level of unit testing is done by developer and from what point QA engineer takes over testing for better test coverage ? Thanks Edit : Based on the answers below am providing more details about what QA i was referring to . I'm interested in more of Test Automation rather than simple QA involved in record and play of script. So Test Automation engineers are responsible for developing frameworks ? or do they have a team of developers dedicated in Framework development ? Yes i was asking about usage of Mock Objects for testing from Test Automation engineer perspective.

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• Webmaster Tools word count

  - by Henrik Erlandsson

  Is there a way to somehow verify that the googlebot finds the headings and the content, for example by word count? I'm asking this because I tried a program called Screaming Frog, which fails to even fetch the first h1 on a validated page - for about 1/3 of all the pages(!) - and got insecure. Even though the site looks hunky dory in Webmaster Tools, I'd like to know what a googlebot-like content crawler finds on my page and in what order. Any tips on such tools is appreciated. This is not about keyword count.

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• Current state of the art for holographic displays?

  - by kamziro

  In another thread I was asking about independent arcade system development, and partly it was because I'm interested in using available 3D holographic technology for the displays. I saw one which involved a rotating mirror at very high speeds, so that's probably not going to be too feasible (I'd hate to think of what happens when something goes wrong). However, I looked around for videos from trade shows, and I found this: http://www.youtube.com/watch?v=Vl0EIngM-RA But information is scarce, and I'm led to believe it's just using mirrors and reflections, and does not convey true 3D depth like the one using rotating mirrors at high speed: http://www.youtube.com/watch?v=YKCUGQ-uo8c So yeah, does anyone know if there's something better available today?

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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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• 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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• First 3 ASP.NET MVC for the Rest of Us Videos

  Folks have been asking me for some time to do some ASP.NET MVC videos  Here are the first three. They start from the beginning and frequently compare ASP.NET MVC with concepts that you may already be familiar with from WebForms programming. Enjoy! More to come. ASP.NET MVC For the Rest of Us: Part 1 37 minutes ASP.NET MVC For the Rest of Us: Part 2 31 minutes ...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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• 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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• 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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• What criteria would I use SQL Stream Insight vs TPL Dataflow [closed]

  - by makerofthings7

  There is an add-in to the Task Parallel Library (TPL) called TPL Dataflow that allows a variety of data processing scenarios. It seems that there are some parallels to the SQL Stream Insight product, however since SQL's Stream Insight has some interesting licensing around it, and it has a better performance depending on what license I get... I found myself asking myself should I use TPL Dataflow and not have any licensing issues, and possibly better performance. Can anyone tell me if performance is a valid criteria for comparing SQL Stream Insight vs TPL Dataflow? What other criteria should I be looking at when comparing the two?

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