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  • Who is likely to need the most this high-quality, measurable, reliable approach to software? [closed]

    - by Marek Cruz
    Software engineering is the application of principles of engineering to software. Trouble is, most of those who like to flatter with the title "software engineer" don't do that. They just keep writing code and patching it until it's stable enough to foist off on users. That's not software engineering. Who is likely to need the most the practice of software engineering? (with all the project planning, requirements engineering, software design, implementation based on the design, testing, deployment, awareness of IEEE standards, metrics, security, dependability, usability, etc.)

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  • ubuntu-server 12.04 installation-CD ------- same bug like debian 6.0.4 installation-CD? [closed]

    - by dschinn1001
    The dvd-drive of a notebook is a MatshitaBD-CMB UJ-120 Hint for you. e.g. Debian Installation-CD with Debian 6.0 resp. Debian 6.0.3 was working fine and has no trouble with this device. Installation-CD with Debian 6.0.4 is behaving same like the Ubuntu-Server-12.04-CD. They both don't recognize this dvd-combo-drive above, This problem was solved with Kernel 3.2.24.x and 3.4.x Happy Coding. Regards. dschinn1001 PS: see comment following below !

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  • PSA: OpenJDK OCA Submission E-Mail Address

    - by $utils.escapeXML($entry.author)
    If you're coming new to OpenJDK and are reading How to contribute page, you'll quickly notice that item 0 contains the following section "If you haven't yet signed the Oracle Contributor Agreement (OCA) then please do so, scan it and e-mail the result to oracle-ca_us(at)oracle.com."That e-mail address here used to be a sun.com address back when OpenJDK started, but that changed a little while ago. So if you encounter e-mail trouble trying to submit your OCA in order to hack on OpenJDK, please check if you're trying to send it to the correct e-mail address.

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  • Parsing stdout with custom format or standard format?

    - by linquize
    To integrate with other executables, a executable may launch another executable and capture its output from stdout. But most programs writes the output message to stdout in custom format and usually in human readable format. So it requires the system integrator to write a function to parse the output, which is considered trouble and the parser code may be buggy. Do you think this is old fashioned? Most Unix-style programs do that. Very few programs write to stdout in standard format such as XML or JSON, which is more modern. Example: Veracity (DVCS) writes JSON to stdout. Should we switch to use modern formats? For a console program, human readable or easy parsable: which is more important ?

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  • Dual booting Ubuntu 12.04: UEFI and Legacy

    - by cmhughes
    I'm trying to dual boot Ubuntu 12.04 (or 12.10) with Windows 8 on a new Sony Vaio, but have run into some problems :) Specifically, my problems seem to come from choosing UEFI or Legacy as the Bootmode in the BIOS. Here is what I have found so far: Windows 8 needs to boot using UEFI, and doesn't work in Legacy mode Ubuntu (both 12.04 and 12.10) needs to boot using Legacy, and won't boot (at least from the live disk) in UEFI mode I have been able to boot Ubuntu using a live USB disc, provided that I change the Bootmode to Legacy. I haven't committed to installing it yet, because I don't really understand the consequences. My main concerns are that instead of simply selecting Windows or Ubuntu in Grub, I would also have to change my Bootmode every single time, which seems like a lot more trouble than it should be. So, the question: how can I install Ubuntu 12.04 or 12.10 in UEFI boot mode?

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  • Problems after installing Ubuntu 11.10

    - by Andrew Orr
    I'm having trouble with Ubuntu 11.10. It has to do with nomodeset. After I boot into Ubuntu, it goes to a purple screen for about 10 seconds and then goes blank. After that nothing happens. I've read other people's questions about this and I know it has to do with enabling nomodeset. This worked for me when I was using the LiveCD mode, but now Ubuntu is permanently installed as a dual-boot system. Going into recovery mode doesn't work, pressing "e" in the boot loader and writing nomodeset after quiet splash doesn't work either. Holding shift any time it's booting doesn't work. I don't know what to do anymore. I have an HP Pavilion dv6 laptop with an AMD A6-3400M CPU, and my GPU is an AMD Radeon HD 6520G. I've never worked with Linux before so taking me through this step-by-step would be great. Thanks!

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  • Using an actor model versus a producer-consumer model?

    - by hewhocutsdown
    I'm doing some early-stage research towards architecting a new software application. Concurrency and multithreading will likely play a significant part, so I've been reading up on the various topics. The producer-consumer model, at least how it is expressed in Java, has some surface similarities but appears to be deeply dissimilar to the actor model in use with languages such as Erlang and Scala. I'm having trouble finding any good comparative data, or specific reasons to use or avoid the one or the other. Is the actor model even possible with Java or C#, or do you have do use one of the languages built for the purpose? Is there a third way?

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  • Choppy video in vlc even with hardware acceleration on ATI Radeon HD

    - by l0b0
    After installing Catalyst 11.12 and studying instructions (1, 2) to enable hardware acceleration I ended up with the following command: sudo apt-get install xvba-va-driver libva-glx1 vainfo && \ vainfo && \ vlc --verbose 2 --ffmpeg-hw video.1080p.x264.mkv The output confirms that it's using the VA API: avcodec decoder: Using VA API version 0.32 for hardware decoding. But even after a reboot the video still looks choppy. There's no vlc output to indicate that the codec is having trouble, or that it's skipping frames. Any idea what could be the problem? Using vlc 1.1.12 with default settings. Also tried (in sequence): sudo apt-get install libva-glx1 sudo apt-get install --reinstall libgl1-mesa-glx:i386 libgl1-mesa-glx:amd64 libgl1-mesa-dri:i386 libgl1-mesa-dri:amd64 xserver-xorg-core Rebooting No luck yet. Specs from /proc/cpuinfo : Intel Core i7 CPU 950 @ 3.07GHz

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  • How can I approach creating an efficient algorithm for maximizing value with these specific constraints?

    - by sway
    I'm having trouble coming up with an approach that isn't n^2 for this problem. Here's a contrived, simplified version I've come up with: Let's say you're a company that needs 4 employees to launch in a new city, a manager, two salespeople, and a customer support rep, and you magically know how much impact every candidate will have and how much salary they require to take the job. Your table of potential employees looks something like this: Name Position Salary Impact Adam Smith Manager 60,000 11 Allison Brown Salesperson 40,000 9 Brad Stewart Manager 55,000 9 ...etc (thousands of records) What algorithmic approach can be taken to find the maximum "impact" while still filling all the positions and remaining under, say, a 200,000 budget? Thanks!

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  • How do you name your personal libraries?

    - by Mehrdad
    I'm pretty bad with naming things. The only name I can every generically come up with is 'helper'. Say, if I have a header file that contains helping functions for manipulating paths, I tend to put it inside my "helper" directory and call it "path-helper.hpp" or something like that. Obviouslly, that's a bad naming convention. :) I want to have a consistent naming scheme for my folder (and namespace) which I can use to always refer to my own headers and libraries, but I have trouble finding names that are easy to type or remember (like boost)... so I end up calling some of them "helper" or "stdext" or whatnot, which isn't a great idea. How do you find names for your libraries that are easy to remember and easy to type, and which aren't too generic (like "helper" or "std" or "stdext" or the like)? Any suggestions on how to go about doing this?

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  • Can't install Spotify Linux preview

    - by Wut
    I'm having trouble installing the Spotify Linux preview. I'm kinda new to Ubuntu so I'm not sure if I did something wrong. First, in the terminal, I ran this: sudo gedit /etc/apt/sources.list At the bottom, I added this: deb http://repository.spotify.com stable non-free # deb-src http://repository.spotify.com stable non-free Then I ran this: sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 4E9CFF4E Next: sudo apt-get update It seemed to have gone well, as there were no error messages. So next, I ran this: sudo apt-get install spotify-client-qt But when I did, I got this: You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: spotify-client-qt : Depends: spotify-client but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). Any ideas?

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  • Zooming options terminology

    - by Mark
    I've come up with 4 different ways to fit an image inside a viewing region, but I'm trouble coming up with names for them. Perhaps someone can suggest some? Fit image in viewing region, do not enlarge if image is smaller Size image so it fits snuggly inside the viewing region (enlarge if necessary) -- the image is as large as possible while still fitting within the viewing region Size image so that it fills the entire viewing region -- the image will be the same size or bigger than the viewing region 1:1 ratio; 1 pixel in the image corresponds to 1 pixel on screen All zooming options maintain aspect ratio. Stretching is just ugly, so it's not an option :)

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  • Web application deployment and Dependencies

    - by Reith
    I have a free software web application that using other free software scripts for appearance. I have trouble to decide whether should I copy source code of used scripts to my project main repository or list them as dependencies and ask user to install them himself? Since some of scripts solving browser compatibilities issues and I'm not a good web designer (i hate to check my web site on IE to see compatibility) using the newest version of scripts is preferable and second solution works here. But it has problem with scripts aren't backward-compatible with versions I've used them for development. Maybe another method is well-known for this issues that I don't know them.

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  • Boot path not found, cannot start OS

    - by Dustin
    My desktop is 12.04 64bit, and it cannot boot from the hard drive anymore. When I attempt to it just is stuck on a blank screen with an blinking dash, and nothing happens. I checked with the bios trouble shoot for problems and it said that no boot path could be found. I do not know why this is happening, but need to fix it because it used to boot up normally. What I need to know is how to fix it. I can boot into a live DVD. Also, there were a few boots I would attempt to boot into a live USB, then it would boot to the hard drive, but that does not work any more. So with the live DVD (it is an 10.04 LTS 32bit), is there any means to correct the boot path from the live DVD? Thank you for your time and answers.

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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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  • Isometric Screen View to World View

    - by Sleepy Rhino
    I am having trouble working out the math to transform the screen coordinates to the Grid coordinates. The code below is how far I have got but it is totally wrong any help or resources to fix this issue would be great, had a complete mind block with this for some reason. private Point ScreenToIso(int mouseX, int mouseY) { int offsetX = WorldBuilder.STARTX; int offsetY = WorldBuilder.STARTY; Vector2 startV = new Vector2(offsetX, offsetY); int mapX = offsetX - mouseX; int mapY = offsetY - mouseY + (WorldBuilder.tileHeight / 2); mapY = -1 * (mapY / WorldBuilder.tileHeight); mapX = (mapX / WorldBuilder.tileHeight) + mapY; return new Point(mapX, mapY); }

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  • Which free PHP based forum is the easiest to extend or customize? [closed]

    - by aditya menon
    Possible Duplicate: Which Content Management System (CMS) should I use? I am looking to start a new forum, with a traditional forum layout (like webhostingtalk, for example). In this space, I know phpBB and SMF are strong contenders. I do not know for sure the names of other great forum software that might exist... My most important need is that it should be easy to modify the display area, at the least, without having to dig too much into the core. Drupal excels in this area with its templating system, but the forum module doesn't look like the forum interface most people are used to... It would be a great plus if the software has alternative Captchas like question based or invisible Captcha. If it doesn't, I would like to be able to code it in without much trouble (that is, the software exposes a good API)

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  • Reverse proxying only a specific URL

    - by Bart Silverstrim
    I have a web server at www.ourcompany.com running Apache2. Using the proxy modules, I am able to (for example) get 172.16.0.5, an internal IP device, to be accessed on www.ourcompany.com/device. The trouble is that anyone can play with or explore the device using strings sent to www.ourcompany.com/device/change/settings/here.html. I'd like the reverse proxy to only work for a specific URL; www.ourcompany.com/device/you/must/use/this while anything else will be rejected if requested. Is there a setting that can be used to do this, or is it a simple rewrite condition placed in the virtualhost for the site under sites-enabled? What is the simplest, most maintainable way to sanitize requests to the internal device through the reverse proxy? Running Apache2 on Ubuntu.

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  • How can you remove Unity from Ubuntu Netbook Edition

    - by Brad
    In previous versions of Netbook Remix I was able to disable the netbook-launcher and just have a blank desktop. I liked the speed of the Netbook version but not the interface, this worked well for me. However, now with 10.10 and Unity I'm having trouble doing a similar thing. I tried removing netbook-launcher from the startup and tried uninstalling unity. The best result I got was a black desktop with a panel and a non configurable blank white background. Is Unity soo integrated into this version that I will have to just go with the default ubuntu installation?? In the past the default version has been slower then the Netbook version without the interface. Thanks.

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  • Is there a preferred way to set up a virtual Ubuntu server on a desktop?

    - by Keith Groben
    I love Ubuntu, and as I am searching the internet, I am finding that some questions I have have not been answered yet. One of them is if there is a preferred way to set up a virtual server. I look through the Ubuntu Software Center, but found nothing from the search "Virtual Server" I then searched the internet and found lots of posts to trouble-shoot VMWare virtual servers. So, like a good researcher I looked in the Software center for VMWare. Sure enough I found "user agent" and "view open client". I didn't get sufficient info from the software center. And searching the website only left me scratching my head. I want to install Ubuntu Server Edition. I already have a server, but am cautious "trying out" things on it. So a virtual server sounds like what I need.

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  • My Ubuntu drive is running out of space, how to fix, something is wrong

    - by Jamie Flores
    I'm moving from windows and am having trouble figuring this out: I'm getting a message that pops up saying disk space is low. It says I have 800MB free. I click on the disk usage analyzer and it shows 24.6 total capacity and 22.5 used. When I look in GParted it shows a partition at 72.6GB where I have Ubuntu installed. It also shows that 70.65GB used and 1.94 free in that partition. How do I figure out what else is in that partition? It's the only ext4 format. What am I missing?

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  • 2D wave-like sprite movement XNA

    - by TheBroodian
    I'm trying to create a particle that will 'circle' my character. When the particle is created, it's given a random position in relation to my character, and a box to provide boundaries for how far left or right this particle should circle. When I use the phrase 'circle', I'm referring to a simulated circling, i.e., when moving to the right, the particle will appear in front of my character, when passing back to the left, the particle will appear behind my character. That may have been too much context, so let me cut to the chase: In essence, the path I would like my particle to follow would be akin to a sine wave, with the left and right sides of the provided rectangle being the apexes of the wave. The trouble I'm having is that the position of the particle will be random, so it will never be produced at the same place within the wave twice, but I have no idea how to create this sort of behavior procedurally.

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  • Programming languages specifications ebooks

    - by Oxinabox
    In this talk Jon Skeet talks about the advantages of reading programming language specifications. I have an Ebook Reader (a Sony, one of the better ones for PDF's, though EPub is still much better). Does anyone know any sources for specifications, optimised for ebook readersm that can be downloaded? I expect someone would have gone through the effort of optimising the websites for ebook reader reading, ideally: EPUB Format (though pdf will do) Annotated (eg XML) Most specifications I find don't have obvious download links. I'm having trouble googling because everytime I seach for say: "F# Spec EPUB" or "Python Spec PDF" most of the results are for the EPUB or PDF specifications.

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  • What Is StreamInsight? A Primer for Non-Programmers

    - by Roman Schindlauer
    Are you trying to figure out whether StreamInsight might be something you could use, but you’re having trouble sifting through all the programming jargon that’s used to describe it? StreamInsight is, ultimately, a set of programming tools, and at some point it takes a programmer to implement a StreamInsight solution. But it really should be possible to get a handle on what StreamInsight is all about even if you’re not a programmer yourself. A new article published in the TechNet Wiki may be able to help: StreamInsight for Non-Programmers. It gives an overview of the technology, but it leaves out the C# references and relates StreamInsight to more familiar SQL databases and queries. Check it out. When you’re done there and are ready to dig a little deeper, take a look at Get Started with StreamInsight 2.1. That article should help you navigate through the StreamInsight official documentation and other resources. And, as always, you can post questions or comments here or on the TechNet Wiki. Regards, The StreamInsight Team

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  • Breakout... Getting the ball reflection X angle when htitting paddle / bricks

    - by Steven Wilson
    Im currently creating a breakout clone for my first ever C# / XNA game. Currently Ive had little trouble creating the paddle object, ball object, and all the bricks. The issue im currently having is getting the ball to bounce off of the paddle and bricks correctly based off of where the ball touches the object. This is my forumala thus far: if (paddleLocation.Intersects(ballLocation)) { position.Y = paddleLocation.Y - texture.Height; motion.Y *= -1; // determine X motion.X = 1 - 2 * (ballLocation.X - paddleLocation.X) / (paddleLocation.Width / 2); } The problem is, the ball goes the opposite direction then its supposed to. When the ball hits the left side of the paddle, instead of bouncing back to the left, it bounces right, and vise versa. Does anyone know what the math equation is to fix this?

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