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• Ubuntu won't boot on windows starter

  - by First timer

  I installed Ubuntu 12.04 LTS yesterday from a usb, but it only boots into Windows unless the usb is in, then it boots into the Ubuntu loader where I can choose Ubuntu vs. Windows. What's the problem? I run windows starter on a netbook with 1 gb ram and intel atom processor. I tried to install boot-repair but it won't work either. I follow the instructions for the Terminal and it seems to go right until I try launching it - then it says that it does not know the command boot-repair. I really like Ubuntu, it lets this netbook run smoothly and better than ever before but I don't think I want to boot from a usb every time.

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• How should I get my code ready for OpenSourcing it and putting it on GitHub?

  - by Sempus

  In a few weeks, my project is going to be finished and I want to start getting my code ready for other people to use it. I am going to be posting everything to GitHub so people can tweak it and hopefully make it better. I guess what I'm asking is, what would be the best way to make sure my code is sufficiently documented and worded right for other people to use? I know you should always comment everything and I'm going to be putting in the @params feature for every method, but are there any other tips in general?

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• Array sum of difference of first smallest k elment

  - by prateeak ojha

  Hi i come across this challenge on an online programing challange the task is so simple for ex WE have to variable N and K where N is where N is lenght of array and we have to find sum of duiffrence of K smallest element of array as Sample Input 10 4 1 2 3 4 10 20 30 40 100 200 Sample Output 10 Explanation #0 We have 10 as N size of array and K is 4 here the next N values are array's elments in order to find sum of diffrences we will takek smallest values from array which are 1,2,3,4 then will perform operation(sum of difference) as |1-2| + |1-3| + |1-4| + |2-3| + |2-4| + |3-4| = 10 I tried solving the problem and found a way through which i can solve the problem wit N^3 complexity but my solution is rejected i need a approach to solve the problem with n complexity i still can't figure out a way .. looked at some solution but coud'nt find the exact way to approach. if anybody have a better idea and would like to share it would be appreciable thanks in advance

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• If I have true i/o false or vice versa, is it an OBOE?

  - by Protector one

  I often make the mistake of inverting my truth values in my code (e.g. in my if clauses). It gives me the same feeling as when making an OBOE (Off By One Error), even though it's technically not. Would you call it an OBOE, or better yet, is there a specific term for "off by truth value"-errors? My reasoning is that all possible values of a boolean are true and false. In other words, the possible values are contained in the array: [true, false]. If you access this array by index, you'll always be off by one… when selecting the wrong one. This becomes especially obvious when you calculate your index as: index = someInt % 2. Now I understand that this usually not the case, but in my mind, it always feels like this. Almost got it, just off by one…

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• How to keep a window from overlapping into another workspace?

  - by user1477

  It's annoying to me how if a window is even a couple pixels off the right edge of my screen, when I switch to that right workspace, the system thinks that the window is there. The unity launcher bar gets hidden because of it and switching to that window keeps you on the current workspace where you can't even see the window cause it's only a couple pixels. KDE seems to do this much better where when you switch to another workspace, the window just isn't there. But well I don't want KDE. Any way of getting that same behavior without the switch?

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• "Never do in code what you can get the SQL server to do well for you" - Is this a recipe for a bad design?

  - by PhonicUK

  It's an idea I've heard repeated in a handful of places. Some more or less acknowledging that once trying to solve a problem purely in SQL exceeds a certain level of complexity you should indeed be handling it in code. The logic behind the idea is that for the large majority of cases, the database engine will do a better job at finding the most efficient way of completing your task than you could in code. Especially when it comes to things like making the results conditional on operations performed on the data. Arguably with modern engines effectively JIT'ing + caching the compiled version of your query it'd make sense on the surface. The question is whether or not leveraging your database engine in this way is inherently bad design practice (and why). The lines become blurred further when all the logic exists inside the database and you're just hitting it via an ORM.

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• Google Chrome Add-on Naming

  - by Valentina Tatya

  Can add-ons have registered names in Google Chrome add-ons? I created a Youtube add-on and would like to add the Youtube term in my add-on name to better gain attention from users. I want to use it in the purpose of "fair use". Mozilla Add-ons are loose in restrictions about names but I see that there are not many add-ons containing Youtube or Facebook inside Chrome Market. Does that mean Chrome editors do not allow Registered terms inside the add-on names and should this be avoided?

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• How to run PHP in Webmatrix (updated) ?

  - by Anirudha

  I have write How to run PHP in Webmatrix ? few months ago. In this post I will try to explain it little bit better. When you create a website in webmatrix then try to go to  site > settings > here you can find the option for enble the PHP for your website on IIS express. You can also install the PHP through WPI (web platform installer). The PHP you have installed will be going into C:\Program Files (x86)\IIS Express\PHP/$ $ = version of PHP you have installed. Try http://forums.iis.net/1166.aspx for any help regarding installing PHP in webmatrix. you can post your idea also to webmatrix.uservoice.com

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• best way of rendering more 3D models in three.js that not slow down page?

  - by GDevLearner

  I am in the way of creating a 3D web game using threeJS library. This is a multi-player game that players are 3D human models in game, and I need to add a human 3D model for each player that enters the game. Additionally, I want to animate the humans while they walking, but the problem, here is that adding a 3D model and animating that for each player will slow down the game or maybe cause the browser to crash. question: what is the better way of showing and animating the player's models that will not slow down the game?

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• My ubuntu 11.10 gets weird lately

  - by The questioner

  I have quite a lot problems lately(about 2 weeks) running Ubuntu 11.10. First, flash playback in chrome hangs and lags all the time. While in Firefox is better, but still lags. Playing video files in the preinstalled Movie Player lags too. Second, I've turned automatic on and in some occasions, after I switched the computer on and successfully loaded the desktop, however, in just a minute or so, the screen just got black out and directed me back to the login page. I thinks there are bugs, please tell me how to correct those. Sysinfo: CPU: i5-2400 MB: GA H61M D2P B3 (no video card) Drive: Intel 320 40GB Thanks. p.s. should I upgrade to 12.04??

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• If you need more than 3 levels of indentation, you're screwed?

  - by jokoon

  Per the Linux kernel coding style document: The answer to that is that if you need more than 3 levels of indentation, you're screwed anyway, and should fix your program. What can I deduce from this quote? On top of the fact that too long methods are hard to maintain, are they hard or impossible to optimize for the compiler? I don't really understand if this quote encourages better coding practice or is really a mathematical / algorithmic sort of truth. I also read in some C++ optimizing guide that "dividing up a program into more functions improves its design" is frequently taught in CS courses, but it should be not done too much, since it can turn into a lot of JMP calls (even if the compiler can inline some methods by itself).

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• How to make Classic ASP interesting if you are stuck with it?

  - by reno812

  I used to work on a really small outsourcing company (4 programmers and the boss), then when the stress and the frequent long shifts made the situation unbearable I made the switch to a better paid job with a more relaxed schedule that allows me some more free time. The problem, however, is that for the most part, everything is coded in Classic ASP that interfaces with a custom made C++ queueing system that stores everything in AS400 systems. My boss used to be one of the developers that made the initial efforts towards this, and naturally won't ever approve a switch to another languages / technologies despite the increasing difficulty that represents developing today business needs with yesterday tools. I'm pretty much stuck coding with Classic ASP in the foreseeable future, and I'm struggling to find ways to make it at least interesting, as I used to work with .NET and Java previously, and I feel like I'm going backwards... Any advice?

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• How to clean unused app files

  - by Ando

  I've finished working on a web app and looking back at the process, I can see that a lot of extra files have been accumulated - backup css, php files, javascripts, images. I'm using an MVC workflow (codeigniter) and I would like to clean the app from unused files. There are also libraries which I've downloaded but referenced some of the files in my code, yet I've kept the unused files too. Total mess really, I'll take a note for the next app to become more organized. There is also a fair security concern regarding these sorts of situations, plus I think that it would be better to omit all the extra files when search engines are indexing the app. Has anyone been in that situation and what is the safest/fastest way to clean the app? My setup: MVC Codeigniter - Netbeans - Mac

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• Implementing cache system in Java Web Application

  - by TGM

  I worked with JPA (Eclipselink implementation) and Hibernate. As I understand these two have great caching systems. I am interested in caching in a Web application and in order to better understand the process I'm trying to implement something on my own. Sadly, I cannot find any in depth documentation about this subject. I'm interested in things like high scalability, sharing memory on different machines and other important theoretical matters. Is there any tutorial or open project I could check out? Thank you! *LE: * I want to cache DB information in POJOs just like JPA or Eclipselink

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• Using <strong> for introductory paragraph to a post - a bad idea?

  - by user1515699

  I have a news website and on most posts the first paragraph is in bold. Currently the authors are just using <strong> to bold the paragraph, would it be better from an SEO point of view to rather use a paragraph class that is styled with p.bold {font-weight:bold;} <p class="bold">. Does <strong> on the first paragraph send the wrong message to search engines? The text is important but the main reason it is in bold is because it is the opening paragraph. I realise <strong> is used to emphasise certain words on a page

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• Ubuntu 12.10, mouse double click by itself

  - by Ribi

  I updated ubuntu 11.10 some time ago and I had a problem with my mouse. When I click somewhere it would double click by itself. It was pretty anoying as I would start 2x my application almost each time. Then, some update came and the mouse was better. But now, I updated to 12.10 and it does the same thing again. I'm using an Logitech MX Revolution. I don't know what I can do to resolve this problem? Thanks

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• What can I do to make my eService website customers feel it is a luxurious service? [closed]

  - by Farshid

  I'm developing an e-service website that its monetization model is via paid membership. Beside quality service and content, because I'm serving them for a high fee, I want to make them feel like it is a personal, unparalleled kind of service and I want to spend money for creating things that I give them after their registration such as a beautiful physical membership card so that I can use the effect of mouth-words better and beside that let them be proud about the service. I've tried my best to develop the site experience classy and I'm looking for things in real world to send them after their registration (such as membership card and a small paper tutorial). What are your suggestions? Have you seen things like this before that a website sends you some physical things for making you more loyal and/or something like that? Please kindly share your experiences/suggestions.

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• Lubuntu does not render font accurately [closed]

  - by mac

  I'm experiencing a weird bug, which I don't see to be able to track down to anything in particular.... Sometimes, Lubuntu won't display entirely a letter or two of the font used system-wide. I attached a screenshot of the last occurrence of the problem, where the affected letter is t. Any idea on what is causing it? And even better: any idea on how to fix it? PS: My Lubuntu installation is pretty much a stock one. I installed some additional software like "kupfer", "tilda" or "alsamixer"... but - as far as I remember - I did not tweak in any way the LXDE settings...

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• What makes Java so suitable for writing NoSQL Databases

  - by good_computer

  Looking at this page that aggregates the current NoSQL landscape, one can see that the majority of these projects are written in Java. Databases are complex systems software dealing with the file system, and so C/C++ would be a better choice than Java for this. (that's my thinking which might be flawed) Secondly, databases deal with transferring large amounts of data from disk to RAM -- which they call a working set. The JVM takes non-trivial amount of RAM for it's own purpose -- so it would be more efficient to use a platform that leaves lots of memory for data instead of hogging it for its own operations. The major relational databases are ALL written in C/C++ MySQL C, C++ Oracle Assembler, C, C++ SQL Server C++ PostgreSQL C SQLite C So what makes Java so popular in NoSQL world.

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• Debugging random reboots

  - by M132

  I'm running Ubuntu 14.04 with 3.16.1 kernel compiled from source, and when I leave my PC running for a long time, it always reboots after about 4-8 days. Nothing is displayed on the screen, everything just freezes for about 3 seconds (and if there was any sound playing, it keeps repeating over and over), and then reboots. This issue also affects kernels compiled by Canonical's build bots. I already tried to debug it with: rsyslog kexec-tools netconsole kernel module None of them seem to be working however. Are there any better methods to check, what exactly fails here? If there's an issue with RAM for example, shouldn't kernel report this in dmesg, or cause a kernel panic?

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• New Silverlight 4 Themes available&ndash;get the raw bits

  A while back I posted a sneak peek preview of 3 new themes that we were working on for Silverlight 4 applications. Our team wanted to do more than just the overall base theme and provide the themes for the core, SDK and some Silverlight Toolkit controls as well. In addition, there was a lot of internal chatter about how cool these new themes were and a lot of teams wanting to adopt them as default, including WCF RIA Services. While we finalize a better distribution plan for these templates (and...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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• MIX 2010 - in 10 seconds...

  um...windows phone 7Silverlight 4better uxlots of parties (MIXer was awesome)OData (ado v35.5?)number of problems with conference direction, still coolest of the public ms conferencesdid I mention the iphone killer windows phone 7 (aka, Zune Phone, windows mobile 7) and amazingly enough it might actually be some real competition for iphone, ux is awesome (after 4+ freaking years it had better fraking be freaking awesome)You can get all the videos here http://live.visitmix.com/VideosAND Wirestone...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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• Is this a reliable method of parsing glGetShaderInfoLog()?

  - by m4ttbush

  I want to get a list of errors and their line numbers so I can display the error information differently from how it's formatted in the error string and also to show the line in the output. It looks easy enough to just parse the result of glGetShaderInfoLog(), look for ERROR:, then read the next number up to :, and then the next, and finally the error description up to the next newline. However, the OpenGL docs say: Application developers should not expect different OpenGL implementations to produce identical information logs. This makes me worry that my code may behave incorrectly on different systems. I don't need them to be identical, I just need them to follow the same format. So is there a better way to get a list of errors with the line number separate, is it safe to assume that they'll always follow the "ERROR: 0:123:" format, or is there simply no reliable way to do this?

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• Is asking for control totals on a file an outdated means of verifying a file?

  - by CTKeane

  I'm in a new position where I need to process a flat files on a regular basis. The last time I did this was 5 or 6 years ago but as part of the file layout I received control totals. It gave me simplistic information on the file like the total number of records as well as sums of the important fields. This helped me during testing then also during production to verify the file arrived and has correct information. I have asked for similar data for this new project and have hit a wall of no. Is this no longer a standard practice? Is there a better way?

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• Separate parts of a game engine [on hold]

  - by user272716

  I'm pretty new in developing videogames. By now I only used SDL with C/C++ to create games. I'm currently learning OpenGL and I realized that to be fluid and easy to maintain the code must be logically separated. Since I want to use OpenGLES on iOS and Android I was wondering how the engine must be imagined in a technical way, some questions came up: Do I have to separate input/update functions from draw functions in different threads? Is there only one proper way to think a game engine/loop? What kind of assets should I use to create a 3D game using openGl ES to get better performance?

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