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• My first time in the gambling industry

  - by sfrj

  I am a Java enterprise developer with almost 3 years of professional experience. Soon i am going to have a face to face interview with a company in the gambling industry. I already did successfully a phone screening and now for the personal interview i suppose they will ask me about some kind of white board problem or system design task. I think i am in the right place to ask about this, and would appreciate a lot if someone would give me some tips or share something related to his own experience. The things i am more interested in regarding my interview are: What are the most common challenges for programmers, in this industry? Any idea or suggestion on a white board problem they may ask me? Could you point me to some links where i can find information on the topic or sample problems in this industry?. I personally find this question very interesting not just for me. Also i think, the given answers can help also others in a similar situation. Just what i want to say whit this last comment is: Please avoid, answers like: www.google.com and so on...

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• Problem deleting folder and files from "Program Files" folder in Win 7

  - by Craig Johnston

  How do you delete folders and files from the "Program Files" folder in Win 7? I am trying to do this on someone else's computer and I don't know what rights their user account is. It says that I don't have permission to delete the folder. I thought it was an administrator account because when I do "Run as Administrator" for other things it doesn't ask for a password, so it must be an administrator account. Should I be able to delete a folder out of "Program Files" if the account has administrator rights? Or do I need to do something else, such as "Take Ownership" of the folder.

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• Deploying an application on a windows domain

  - by ALOToverflow

  I'm looking for different ways to deploy, execute and uninstall an application on all machines of a Windows domain. I've did some research on Group Policy Object (GPO) but I'm still looking for other ideas. As I said, I need to deploy the application, run it without the user having to click anything and letting him to control over the machine. Once it's finished running I need to uninstall it and never run it again. Can such things be done with a GPO? Are there any other possibilites on a Windows domain? Thank you

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• Starting with administering a linux box

  - by Josh K

  I'm rather new to this, and I'd like to play with administering a linux box. Things I need to know how to do: Setup subdomains Setup FTP accounts Setup full domains / add domains MySQL setup / install / management LAMP setup / install / management This is probably going on a CentOS distro. I'd like links or a break down on how I can learn to do this. I am comfortable with a command line, but I'm trying to move from shared hosting to a VPS and would like to have some idea on how deep the water is before I do.

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• W3SVC service stopping error

  - by Ashian

  Hi, I have a web server ( IIS 7.5 , windows 2008 64 Bit web server ed) and notice that in last few days all web sites on server stopped and cant browser by visitor. I check the event log but I didnt see any things related to this problem. When I try to restart IIS i got error on W3SVC serivce.When IIS try to STOP it, W3SVC goes to stopping state and never stop. so I can't start it again. I try and find that I never can restart the W3SVC and when IIS work fine if I try to restart this service, it goes to stopping and never stop. 1- how can I find the problem on IIS? ( i have several asp.net app host on it ) 2- how can I fix W3SVC service stopping problem? Thanks Mehdi

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• Minimal Lunix distribution with sshd and apt

  - by Sergey Mikhanov

  When I signed up for my Debian Linux VPS hosting and first logged on and invoked ps, there was the only user process running: sshd. As I can see, this was minimal Linux with only two things installed and configured: sshd and apt (plus all dependencies, of course). I want to build (or use existing) similar Linux distro, any advice on how to build (or pick) one? Googling "minimum linux", or "linux with sshd only" usually brings up Debian's netinstall, which is not what I want. Thanks in advance.

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• MVVM Light V4.1 with support for Windows Phone 8

  - by Laurent Bugnion

  Today is a very exciting day: After the official release of Windows 8 (and Microsoft Surface!) on Friday, and the official release of Windows Phone 8 on Monday, the Build conference is starting! This is the conference in which we will learn all about the developer experience for Windows 8 and Windows Phone 8. As a partner of Microsoft, I had the privilege of trying out some of the new things early, and this gave me the opportunity to port MVVM Light to Windows Phone 8 (it was already running for Windows 8), and today I am officially publishing this new version. Before you go and update, please not the following: V4.1 (4.1.24.0) only supports Visual Studio 2012 (and Express). If for some reason you are still using Visual Studio 2010, don’t despair! In the next few days I will publish an update supporting these versions as well. But for now, please only upgrade if you are on VS12! That being said, here we go: The download page is available on Codeplex and you can download the updated MSI and install it. Please make sure to read the Readme HTML page that automatically opens in your web browser after the MSI completes! It contains important information on how to install selected Project and Item templates for the frameworks of your choice. This version also support the following versions of Visual Studio: Visual Studio 2012 Pro, Premium, Ultimate Visual Studio 2012 Express for Windows 8 Visual Studio 2012 Express for Windows Phone 8 Visual Studio 2012 Express for Web (Silverlight 4, Silverlight 5) Visual Studio 2012 Express for Windows Desktop (WPF3.5, WPF4, WPF4.5) We also support Expression Blend of course. Windows Phone 8 and Windows 8 are very very exciting opportunities for developers in the whole world. There are already a number of apps running on top of MVVM Light in the Windows Store and of course a large range of apps for Windows Phone too. With this release, we hope to support the developers and speed up application development. It is a pleasure to serve such an innovative and creative community! Happy coding Laurent   Laurent Bugnion (GalaSoft) Subscribe | Twitter | Facebook | Flickr | LinkedIn

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• Access is denied while moving a file from different volumes

  - by logeeks

  i have a portable 500GB HDD plugged into my dell xps system. The system have windows 7 professional edition. the problem is that when i try to open a file(visual studio .sln file) it is saying that access is denied. I cannot copy this file to a different location(within my local HDD) it is saying that i need permission for the task to complete. I've checked and confirmed the following things 1) I've logged into an admin account before attempting these operations 2) My admin account have 'Full Control' 3) I've full control over the portable HDD 4) I changed the 'UAC' settings to 'Never notify' Please help.

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• Getting spurious undo (ctrl-z) sent randomly on a Dell Laptop

  - by squelart

  For the past couple of weeks, my laptop has had a strange problem where it looks like ctrl-z is pressed, so I usually lose bits of text I just typed. If I press ctrl-shit-z (redo), the text comes back, proving it's really as if ctrl-z was pressed. It's difficult to see a pattern, I can be undo-free for hours, then get a few within minutes, sometimes 2-3 undoes at a time. Very frustrating! Running WinXP+SP3 on Dell Latitude D820, Clamwin antivirus. I've tried another keyboard, no difference. Any clue on what this could be, or how I could trace this problem? 2009-09-25: Tried a few things that were listed or linked to on this page: http://www.selfishman.net/2008/06/24/problem-with-dell-inspiron-1501-keypress-every-second/ but nothing helped. Though it seems to point at a Dell laptop issue. I upgraded the BIOS and other drivers, but still got the problem.

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• Is there such a thing as a super programmer? [closed]

  - by Muhammad Alkarouri

  Have you come across a super programmer? What identifies him or her as such, compared to "normal" experienced/great programmers? Also. how do you deal with a person in your team who believes he is a super programmer? Both in case he actually is or if he isn't? Edit: Interesting inputs all round, thanks. A few things can be gleaned: A few definitions emerged. Disregarding too localised definitions (that identified the authors or their acquaintance as super programmers), I liked a couple definitions: Thorbjørn's definition: a person who does the equivalent of a good team consistently for a long time. Free Electron, linked from Henry's answer. A very productive person, of exceptional abilities. The explanation is a good read. A Free Electron can do anything when it comes to code. They can write a complete application from scratch, learn a language in a weekend, and, most importantly, they can dive into a tremendous pile of spaghetti code, make sense of it, and actually getting it working. You can build an entire businesses around a Free Electron. They’re that good. Contrasting with the last definition, is the point linked to by James about the myth of the genius programmer (video). The same idea is expressed as egoless programming in rwong's comment. They present opposite opinions as whether to optimise for such a unique programmer or for a team. These definitions are definitely different, so I would appreciate it if you have an input as to which is better. Or add your own if you want of course, though it would help to say why it is different from those.

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• Animation API vs frame animation

  - by Max

  I'm pretty far down the road in my game right now, closing in on the end. And I'm adding little tweaks here and there. I used custom frame animation of a single image with many versions of my sprite on it, and controlled which part of the image to show using rectangles. But I'm starting to think that maybe I should've used the Animation API that comes with android instead. Will this effect my performance in a negative way? Can I still use rectangles to draw my bitmap? Could I add effects from the Animation API to my current frame-controlled animation? like the fadeout-effect etc? this would mean I wont have to change my current code. I want some of my animations to fade out, and just noticed that using the Animation API makes things alot easier. But needless to say, I would prefer not having to change all my animation-code. I'm bad at explaining, so Ill show a bit of how I do my animation: private static final int BMP_ROWS = 1; //I use top-view so only need my sprite to have 1 direction private static final int BMP_COLUMNS = 3; public void update(GameControls controls) { if (sprite.isMoving) { currentFrame = ++currentFrame % BMP_COLUMNS; } else { this.setFrame(1); } } public void draw(Canvas canvas, int x, int y, float angle) { this.x=x; this.y=y; canvas.save(); canvas.rotate(angle , x + width / 2, y + height / 2); int srcX = currentFrame * width; int srcY = 0 * height; Rect src = new Rect(srcX, srcY, srcX + width, srcY + height); Rect dst = new Rect(x, y, x + width, y + height); canvas.drawBitmap(bitmap, src, dst, null); canvas.restore(); }

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• How to start a high school Java/Android development club for 13-17 year olds

  - by PaulHurleyuk

  My wife is a high school maths teacher, and is considering starting a programming club for 13-17 years olds who show an interest. Their interest seems to be around Apps and Android which I have little experience of. The kids would be (presumably) interested in programming, and have a fairly high level of computing knowledge. We would provide them with resources and some knowledge, but hopefully a lot would be self guided. I'm hoping stack overflow'ers can provide some tips or starting points. Specific things I think I'll need are; A development Environment; Currently I'm looking towards Java and Android, developed in Eclipse, probably installed on donated older hardware Some initial direction; There seem to be a plethora or 'start android' tutorials, so some recommendations for good ones are valuable, as are recommended paper books A Target; Some final project they should be shooting for A Route; This is where I'm most stuck, how to lead them through the required Java concepts and learning they would need Some related questions already out there Language+IDE for teaching high school students? Teaching "web design/development" to high-school home-school group. Good sources? How can I bootstrap a software development community at my school?

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• Showing content from pages at different URL's (masking), possibly with .htaccess

  - by zigojacko

  If I have URL's like:- domain.com/category/widgets/filter/blue domain.com/category/widgets/filter/red And it is pretty difficult to reconstruct them to something like:- domain.com/category/blue-widgets domain.com/category/red-widgets Is there any way at all that I can use URL rewrites or anything else with .htaccess or on the server to display the URL's as the domain.com/category/blue-widgets on the domain.com/category/widgets/filter/blue page? I've looked into masking URL's but got nowhere and this has been something bugging me for almost 6 months now. Is there any way to achieve what I want to do? FYI: This is a Magento website and the above process, I am wanting to implement for potentially hundreds of URL's. Edit To respond to @kkugelmann's answer:- I couldn't get your proposed RewriteRule to make a difference at all in the .htaccess file so I started testing a few things in this .htaccess tester:- The proposed RewriteRule didn't work in this tester:- However, the following did:- But adding any of these RewriteRule's into the website's .htaccess file did not rewrite the URL at all... Edit2 By the way, if I add [R=301,L] to the end of the URL rewrite rule, it does actually then rewrite the rule, but of course 301 redirects it as well which is unwanted behaviour. Edit3 I found another question with the same issue... And an accepted answer that solved the problem which seemed to be something to do with using mod_proxy and the [P] tag on the rule (if I try this, the page 404's).

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• How to void checked exceptions in Java?

  - by deamon

  I consider checked exception for a design mistake in the Java language. They lead to leaky abstractions and a lot of clutter in the code. It seems that they force the programmer to handle exceptions early although they are in most cases better handled lately. So my question is how to avoid checked exception? My idea is to execute the actual code inside an exception translator using lambda expressions. Example: ExceptionConverter.convertToRuntimeException(() => { // do things that could throw checked exceptions here }); If for example a IOException occurs it gets rethrown as an exception with the same name but from a different class hierarchy (based on RuntimeException). This approach would effectivly remove the need to handle or declare checked exceptions. Exceptions could then be handled where and if it makes sense. Another solution would be to declare IOException throws Exception on each method. What do you think which solution is better? Do you know any better approach to avoid (suppress) checked exceptions in Java?

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• Create access point (uap0) on debian 7(arm) - not found?

  - by ethrbunny

  I'm working with a fanless PC that has an ARM chipset, 2 eth plugs and a wifi card (among other things). If I install debian 6 on it all three network interfaces are available at boot time. Today I tried to install debian 7 and had numerous errors indicating that the wireless card isn't supported. uap0: error fetching interface information: Device not found SIOCSIFADDR: No such device uap0: ERROR while getting interface flags: No such device uap0: ERROR while getting interface flags: No such device No such device ERR:UAPHOSTCMD is not supported by uap0 ERR:Command sending failed! No such device ERR:UAPHOSTCMD is not supported by uap0 ERR:Command sending failed! I've tried comparing the kernel module list to the working system but there are too many other differences to make something obvious enough (to me) stand out. How would I get started debugging this problem?

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• How do I install Ubuntu 13.10 from a partition on my Mac?

  - by Barry

  I am trying to install Ubuntu 13.10 on my Macbook Air. I've previously had no issue installing from a USB stick to this machine. However, I don't currently have access to a USB stick or any external media at all! What I've done so far is partitioned my SSD into 3 partitions. One holds OS X, another is a 5gb partition intended for the install ISO, and a third is intended to be the target for that install. The second two partitions are formatted as FAT. I've used dd (with and without bs=1m) to "burn" my ISO to the small 5gb FAT partition. I also at one point tried using hdituil to convert my ISO file to IMG and went through the same process with same result below. After "burning" my ISO to the small partition, I reboot into Refind. Refind sees my small 5gb partition perfectly well, and when I select that partition it loads GRUB appropriately. However, from here, regardless of what I choose, Ubuntu will start to load and then after a few minutes crash out to: BuzyBox V1.15.3 (Ubuntu 1:1.15.3-1ubuntu5) built-in shell (ash) Enter 'help' for a list of built in commands. (initramfs) unable to find a medium containing a live file system. I've Googled this error and found a number of people encountering it when trying to install from USB, but no solutions seem applicable to my case (installing from a partition on my SSD, to another partition on my SSD). Is there any solution to this, or do I just need to wait a few days until I have access to a USB stick? Many thanks in advance, and apologies for length -- I figured I'd err on the side of being exhaustive rather than having people suggest things I've already tried.

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• Starting out with OpenGL when most tutorials are out of date

  - by AUTO

  I'm sure there are already a bunch of questions like this asked, but the constant updating of the OpenGL library throws them all away, and in a month or two, the answers here will be worthless again. I am ready to start programming in OpenGL using C++. I've got a working compiler (DevCpp; do NOT ask me to switch to VC++, and don't ask me why). Now I'm just looking for a solid tutorial on how to program with OpenGL. My assistant found the tutorial provided by NeHe Productions, but as I've come to find out, it's WAY OUT OF DATE! (although I did pull together a basic window to support an OpenGL canvas) Then I went online, and found the OpenGL SuperBible, which apparently uses freeglut? But what I'd like to know is whether or not SuperBible 5th edition is up to date any longer. The suggestion to freeglut I found said the latest version was 2.6.0 but now it's 2.8.0! Is the OpenGL SuperBible still a good, and fairly up-to-date place to start? Is there a better place to go to learn OpenGL? Am I allowed to simply store freeglut in the DevCpp include directory (maybe in GL), or is there some important procedure? Are there any comments or suggestions that I didn't think to ask since I'm only just beginning? @dreta cleared some things up for me, so now I have a better idea of what to ask: I think I'd like to start out with OpenGL using a wrapper library instead of directly accessing OpenGL.I just think that, for a beginner, it would be easier for me to program and get good results, while I don't yet have to understand all the grimy details (as @stephelton mentioned). The problem is, I can't find any library that doesn't have undefined references to no longer supported functions. Freeglut sounds operational, but it still uses GLU.Does anyone know what I can do?Also, I tried compiling the first SuperBible's source, but I got errors since GLAPI is not being defined as a type, the error originating in the GLU library. I'd like to use the SuperBible, but I don't know how to fix this.

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• Temporary file storage - script for webserver

  - by Chris

  I'm looking for a script (preferably php) which I can use for to temporarily exchange files. I had such a script before (it was written in flash), but - damn - just can't find it anymore. Here the features I'm looking for: I have a logon, which allows me to create "upload spaces". for these "upload spaces" I define a time how long the space will be available for (until the files are deleted), and who can access it - in the means of typing in an email, and that user gets a link with the "online space", user ID and password. the other user then clicks on the link and uploads the file, and I get (preferably) an email should there be any file changes I get an email before the content gets deleted Now, 3 additional things: - it should be open- source - run on linux (preferably lamp) - no, I dont wanna use dropbox or similar :p Thanks in advance everybody, Cheers Chris

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• What can I do to resolve a cng.sys error while booting?

  - by denonth

  I have been downloading all bunch of things using torrent and I have restarted my pc and now every time at booting I get BSOD with the following error: ( cng.sys ; 8C1ACB28 at 8C183000 DATESTAMP 4ec48143 error 0xc0000001 ) I was checking this error and it seems that I have some sort of malware on my PC. How can I achieve to connect to Windows? I have tried repair and it says that I can't repair it. I have tried to boot with all F8 options and still I get restarted with BSOD. I have installed other Windows version of Windows on other partition. My version of Windows which is corrupted is Windows 7 ultimate x86. EDIT:

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• Any program or editor in windows 7 to run ".md" files

  - by Anmol Saraf

  I understand that '.md' is an extension for markdown format. While installing 'Grunt' from GitHub I see a lot of .md extension files inside node_module/grunt/docs folder. As per my understanding these files are supported by GitHub for documentation kind of things if I am not wrong. My question here is - Are there any editors/tools or programs available for Windows 7 where I can see these .md files executing ? When I try to open any of these file inside my text editor it displays in raw format with all '#" etc. keywords. I want to see the formatted version of these files so that without an internet connection also I can navigate the documentation on my machine. Thanks for helping !!

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• Higher resolutions unavailable with 2.6.38-8 kernel

  - by time-wastrel

  After upgrading to Natty and the 2.6.38-8 kernel I could no longer obtain the 1920x1080 resolution available in Maverick with 2.6.35-22. In fact the boot occasionally hung. However, after selecting the remaining 2.6.35-22 kernel, the high resolution was available. I then made the mistake of completely reinstalling, but could never get the higher resolutions with 2.6.38-8, no matter what I did. e.g. trying the nvidia proprietary driver, creating an xorg.conf. Even from the command line using xrandr --newmode "1920x1080_60.00" 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync xrandr --addmode DVI-I-1 1920x1080_60.00 xrandr --output DVI-I-1 --mode 1920x1080_60.00 all I would get would be a blank screen and the monitor reporting no input. (Low resolutions displayed fine with xrandr.) I could actually add the 1920x1080 to the already existing probe-reported resolutions in the pool of available resolutions, but choosing it would give the blank screen. In the end I installed the 2.6.35-22 kernel again. The high resolution is back. For a while there, staying up all night and trying many things, I thought that a new video board or monitor might be needed, but deep down, I knew that they were both OK. My question is - "Is this some bug involving the latest kernel, that will go away, or if this persists in future kernels, is there a way to make sure that I can keep my native resolution?"

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• Is it bad to put your computer in sleep mode every time? [closed]

  - by Ivo Flipse

  Possible Duplicate: What is the effect of always sleeping a laptop? Is it bad for batteries or something else? Often I have a lot of stuff open and don't feel like shutting down my laptop, so I just use sleep mode when I'm transferring it. But I have no idea if this might have any disadvantages. So my question is: is it bad to put your computer in sleep mode every time? Things I'm wondering: Should I turn off my computer every once in a while? Will continuous use of sleep mode slow down my system in any way? Are there any bad side effects (in the long term)? Any thoughts? FYI I'm using Windows 7 on a laptop

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• An Interview with JavaOne Rock Star Martijn Verburg

  - by Janice J. Heiss

  An interview with JavaOne Rock Star Martijn Verburg, by yours truly, titled “Challenging the Diabolical Developer: A Conversation with JavaOne Rock Star Martijn Verburg,” is now up on otn/java. Verburg, one of the leading movers and shakers in the Java community, is well known for his ‘diabolical developer” talks at JavaOne where he uncovers some of the worst practices that Java developers are prone to. He mentions a few in the interview: * “A lack of communication: Software development is far more a social activity than a technical one; most projects fail because of communication issues and social dynamics, not because of a bad technical decision. Sadly, many developers never learn this lesson.* No source control: Some developers simply store code in local file systems and e-mail the code in order to integrate their changes; yes, this still happens.* Design-driven design: Some developers are inclined to cram every design pattern from the Gang of Four (GoF) book into their projects. Of course, by that stage, they've actually forgotten why they're building the software in the first place.” He points to a couple of core assumptions and confusions that lead to trouble: “One is that developers think that the JVM is a magic box that will clean up their memory and make their code run fast, as well as make them cups of coffee. The JVM does help in a lot of cases, but bad code can and will still lead to terrible results! The other trend is to try to force Java (the language) to do something it's not very good at, such as rapid Web development. So you get a proliferation of overly complex frameworks, libraries, and techniques trying to get around the fact that Java is a monolithic, statically typed, compiled, OO environment. It's not a Golden Hammer!” Verburg has many insightful things to say about how to keep a Java User Group (JUG) going, about the “Adopt a JSR” program, bugathons, and much more. Check out the article here.

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• OS X "service" for running JavaScript bookmarklets in any app?

  - by Spiff

  I have some JavaScript bookmarklets that work on the selected text in a web page, but I'd like to be able to use them on the selected text in any Mac OS X app, not just browsers or things that provide browser-like views. Mac OS X has the "Services" (sub)menu where any app can publish services that it can provide to other apps, but I don't know how to make my bookmarklets show up as services there. Is there a way to make JavaScript bookmarklets show up as Mac OS X "Services", or otherwise execute JavaScript against the selected text in any Mac OS X app?

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• How to build a "traffic AI"?

  - by Lunikon

  A project I am working on right now features a lot of "traffic" in the sense of cars moving along roads, aircraft moving aroun an apron etc. As of now the available paths are precalculated, so nodes are generated automatically for crossings which themselves are interconnected by edges. When a character/agent spawns into the world it starts at some node and finds a path to a target node by means of a simply A* algorithm. The agent follows the path and ultimately reaches its destination. No problem so far. Now I need to enable the agents to avoid collisions and to handle complex traffic situations. Since I'm new to the field of AI I looked up several papers/articles on steering behavior but found them to be too low-level. My problem consists less of the actual collision avoidance (which is rather simple in this case because the agents follow strictly defined paths) but of situations like one agent leaving a dead-end while another one wants to enter exactly the same one. Or two agents meeting at a bottleneck which only allows one agent to pass at a time but both need to pass it (according to the optimal route found before) and they need to find a way to let the other one pass first. So basically the main aspect of the problem would be predicting traffic movement to avoid dead-locks. Difficult to describe, but I guess you get what I mean. Do you have any recommendations for me on where to start looking? Any papers, sample projects or similar things that could get me started? I appreciate your help!

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