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  • Target tracking with a small delay (actionscript 3.0)

    - by John Dodson
    I'm having trouble thinking of a good method to track my character with an enemy attack. Of course, I don't want the attack to track my character's current position; I want it to track where the character was about 1 second before (so you can move around and make the attack miss and loop around you sort of a thing). The general structure of my game uses a timer to update all of my events. I have a timer going off every 25 milliseconds that updates everything, including my player's position and the enemies position. Right now I just have the enemy attack directly targeting my character....which works fine except that it's impossible to escape =p. Let me know if I didn't supply enough details. My approach was going to basically be get my character's position from about 1 second ago, then have the enemy target that position, the only problem is I can't think of a good way to get my character's position from previous times. Thanks for the help!

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  • several subdomains pointing to one folder. fasthosts problem

    - by David
    I have a asp.net website (e.g. www.website.com). The idea is that you will go to the url 'yourname.website.com' and my site will request the name from the sub domain, process it and change the content accordingly. So, I purchased my fasthosts hosting package and created a sub domain which points to a folder within my site. e.g. 'www.website.com/folder'. However, when i now go to the url 'yourname.website.com' it is immediately redirected to 'website.com/folder'. this means I cannot request the subdomain from the url because it has been lost. I have tried contacting these guys but they don't understand and keep going on about some sort of redirect script (although i don't see how any further redirects can solve my problem). Is there something I am missing here? Any suggests or help would be much appreciated!

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  • forked-daapd without avahi

    - by vixducis
    I'm trying to setup forked-daapd, but i'd prefer it if i could run it without avahi (or rather define my own avahi service instead of using the dbus api). The reason is that i want a netatalk share for my time machine backups and a samba share for the symbolic link support (netatalk doesn't support symlinks). Those two are defined as different services in avahi. To make that work, i have to disable avahi's dbus api, or else netatalk tends to take over all the services (osx prefers afp over smb). If I now try to start forked-daapd, it just doesn't. Forked-daapd requires avahi's dbus api to be enabled and running. Is there some sort of way around this limitation, so that i can manually define my own daap service in avahi. Maybe something like enabling but ignoring the dbus in avahi, or launching a duplicate avahi daemon with a different config file?

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  • Aren't there compilers better at telling the programmer what's wrong in a code ?

    - by jokoon
    I have worked a little while with the Microsoft compiler from Visual C++ but I worked a long time with G++, and I remember often having bad times understanding what was wrong in my code with the former. Beside binary code generation and optimisation, I think this is a very important feature of a C++ compiler: giving the programmer a clue that makes him understand as fast as possible what is wrong with his/her code. I can understand some programmers understand programming as some sort of "competition" to make less errors, but to me that's a counter productive opinion. I once tried Clang compiler for C from the LLVM thingie, I didn't use it for a long time, but I was impressed on how explicit and easy to understand the error messages were. What are your experiences, and how do you think this matters ? Some WIP of C++ Clang: http://clang.llvm.org/cxx_status.html

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  • How can we reduce downtime at the end of an iteration?

    - by Anna Lear
    Where I work we practice scrum-driven agile with 3-week iterations. Yes, it'd be nice if the iterations were shorter, but changing that isn't an option at the moment. At the end of the iteration, I usually find that the last day goes very slowly. The actual work has already been completed and accepted. There are a couple meetings (the retrospective and the next iteration planning), but other than that not much is going on. What sort of techniques can we as a team use to maintain momentum through the last day? Should we address defects? Get an early start on the next iteration's work anyway? Something else?

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  • Sync csv file using nodejs

    - by Amit Dugar
    There is a remote csv file that gets updated every second or so. I need to download it(on a Windows machine) ONCE and always sync local file with the remote one. Obviously, downloading the whole file every time is not an option. I need to download only the changes.(something like rsync, rdiff-backup) I searched quite a bit but could not find how I can do this. I am sort of new to nodejs and am using this app as an opportunity to expand my nodejs skills. Also, I am planning to use nodejs and to package it using node-webkit(https://github.com/rogerwang/node-webkit)

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  • How many developers actually have private offices?

    - by Morgan Herlocker
    So I know everyone here is all about private offices, how many developers actually have them. I am sort of half skeptical. I can believe that lead developers have them, but thats normally just one person in your average office. If it would not be to much to ask: Do you work in a totally awesome office or a nasty old cube? (or somewhere in between) What's your relative rank in the office? (junior, programmer II, senior, lead, etc.) are you doing internal software, or are you in a software-centric environment? (the general thought seems to be that internal developers get cubes while others live in "Joel-Spolsky-Programmer-Candyland")

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  • CMS without templates

    - by Mark
    I am looking for a CMS where I can layout the page from scratch using HTML/PHP/CSS and simply enter code such as:- FOR EACH (listOfArticles) SORT mostRecent CATEGORY news LIMIT 5 <div class="articleTitle">{title}</div> <div class="arcielBody">{body}</div> END to get a list of the five most recent articles of a certain category in the relevant place. Does such a thing exist anymore? Unless my mind is playing tricks on me, the CMSs of five or ten years ago had this approach. I am thinking of MovableType and the now defunct CityDesk. It seems to me that CMSs these days have a 'templates first' approach. I.E. you must always choose a template before doing anything - which I find really painful. Learning how to design these structured templates also seems overly painful. So can anyone help me in my quest? Thank you, Mark

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  • Asus 1215n GPU driver/s don't give me a "full" OS experience

    - by AFD
    I'm use to not having specific drivers from a manufacture on my laptop when running a Linux OS and that has always been fine - there's been adequate FOSS drivers for my needs and it hasn't ruined any of my OS experience. When I bought an Asus 1215n one of the upsides to the hardware seemed to be the switchable GPU that could give lots of performance or lots more battery life and would switch on-the-fly... with Windows of course. Seems that the Nvidia driver are crap and people advise not installing them. I have some sort of workaround for vga_switcharoo (?) and the on-the-fly nature of the GPUs has turned in to a manual one :( The worst bit though (aside from shorter battery life) is the web experience with HTML5. If I visit Mozilla's Web O'Wonder site I'm told I don't have WebGL working due to driver issues. This really blows - is it possible that proprietary drivers can now ruin my web experience too?!

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  • Are Languages pretty much "stable" for now?

    - by Sauron
    Pardon the odd question, but I looked recently at a sort of "timeline" of Programming Languages and while alot has changed in the past 5-10 years and what has grown, there are alot of languages that have pretty much "stayed" the same in their same niche/use. Like for Example C.....we don't really ever see much languages being developed (Correct me if im wrong) to try to Unseat C, however there are alot of languages that try to do Similar things (Look at all the SQL/No-SQL languages) Scripting Languages, etc... Is there a reason for this? Or is it just because C does what C does so well.....that there isn't really a need?

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  • Cocos2d Tiled Dynamic Object Layer

    - by Rodrigo Camargo
    I'm trying to develop a cocos2d tiled based game using a sort of 'dynamic' object layer. What I want to do is after the tiled map is loaded, the user can drag something into the map and that will become an event when the 'hero' pass over it. I know how to build an object layer in tiled but it seems that is for fixed positions and what I want is a dynamic action position based on what the user can select. For instance, the user can drag a rock into a tile and when the character hit that rock he may die, or something. I'm a little lost about how to make it work. Do you have any idea of what should I use or what should I look for? Thanks in advance!

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  • Windows 8 keyboard shortcuts when virtualising OS X

    - by mbrit
    Seriously, I have no idea why this took me so long to actually sort out.So in Windows 8 you have new keyboard shortcuts for accessing search (Win+Q), charms (Win+C), settings (Win+I), etc. Problem is that some of those collide with standard OS X mapping - for example Win+Q will close down VMware, Win+C will issue copy, etc.You can add additional mappings into VMware. Use the Preferences panel to do that. Here you can see that I've mapped Win+Shift+C to Win+C. (OK, that assumes you use a Windows keyboard with a Mac, like I do. If you use a Mac keyboard, you're mapping Apple+Shift+C to Win+C.)

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  • Multi-Threaded Pipelined Game Engine Data Synchronization Questions

    - by Douglas
    Let's say I'm setting up a worker pool based game engine with pipelining. Let's say I have 4 stages in my pipeline as such: Stage 1: Physics Stage 2: AI/Input Stage 3: Game Logic Stage 4: Rendering Now let's say that the physics detects a collision between a bullet and a character in stage 1. Two frames later the game logic may choose to remove that bullet from the simulation, however none of the other copies of the data for the other pipeline stages will get this information. How is this sort of thing and other things like it get handled? Do you generally make changes like this to every pipeline stage's data at the end of a frame?

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  • How to make xlock use the first key I hit as a part of my password

    - by alesplin
    I just switched from Arch Linux to Ubuntu 10.10. I'm running the Fluxbox window manager, and I use xlockmore to lock my screen with the following key shortcut: 192 :Exec xlock-mode marquee +usefirst -icongeometry 240x240 -message "back in a minute..." The problem I'm having is that xlock is definitely not using my first key as part of my password. Instead, it uses some randomized fade pattern to fade to the password screen. I find this highly annoying, as when I get back to my desk and start entering my password it doesn't register password characters until the fade pattern is complete. I've also tried the following modifications with no difference: 192 :Exec xlock -mode marquee -usefirst -icongeometry 240x240 -message "back in a minute..." 192 :Exec xlock -mode marquee -icongeometry 240x240 -message "back in a minute..." The first example worked flawlessly on Arch. Does Ubuntu have some sort of system default that you can't override on the command-line?

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  • Rendering order in an Entity System

    - by Daedalus
    Say I use a basic ES approach, and also inside Systems I hold lists of all entities that Systems are required to process. How do I maintain this list of entities in desired rendering order, i.e. for a dumb 2D RenderingSystem? I saw this discussion, and what they suggest is to do something like Z ordering - what I would probably do is just to store a "layer" int in DrawableComponent and then, inside RenderingSystem, just sort entities by mentioned "layer" whenever the entity list for RenderingSystem changes. They also say we could just delete and recreate the entity whenever we want it on the top, but it seems too inflexible to me. How is this problem usually solved?

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  • disable shutdown/suspend if there is other user logged in via ssh

    - by Denwerko
    I remember that in versions of ubuntu around 9.04 was possible to disable user to shutdown ( and maybe suspend too ) system if there was other user logged in.Something like policykit or similar. Is it possible to do in 11.04 ? Thanks edit: if someone needs ( for own risk ), little change in /usr/lib/pm-utils/bin/pm-action will allow user to suspend machine if he is only user logged in or when user will run sudo pm-suspend. Probably not best piece of code, but for now works. diff -r 805887c5c0f6 pm-action --- a/pm-action Wed Jun 29 23:32:01 2011 +0200 +++ b/pm-action Wed Jun 29 23:37:23 2011 +0200 @@ -47,6 +47,14 @@ exit 1 fi +if [ "$(id -u )" == 0 -o `w -h | cut -f 1 -d " " | sort | uniq | wc -l` -eq 1 ]; then + echo "either youre root or root isnt here and youre only user, continuing" 1&2 + else + echo "Not suspending, root is here or there is more users" 1&2 + exit 2 + fi + + remove_suspend_lock() { release_lock "${STASHNAME}.lock" Question still stands, is it possible to forbid shutdown or suspend when there is more than one user logged in ( without rewriting system file )?

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  • Restoring windows path on Windows 7

    - by Renso
    Issue:You changed the windows path and made a mistake and now want to reset it.Solution:In short, you can't. If you restore to the system default, you will loose any paths that were appended when you or the manufacturer installed software and drivers. Each time you install some sort of software or driver, MS Office, Turbotax, etc., it creates/appends to the path so that it points to it's start-up program.Too late now, but you should create a restore point BEFORE you touch the windows path if you are not sure what you are doing:http://www.sevenforums.com/tutorials/700-system-restore.html http://www.sevenforums.com/tutorials/2083-system-repair-disc-create.html At a minimum you need the following:%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;%SYSTEMROOT%\System32\WindowsPowerShell\v1.0\AT worst you can reset it to the above, and go through each application as you use them and run into problems to fix the path. The REPAIR option when you select to change/uninstall a program can help with that.

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  • Why is the dash so unresponsive, and is there a way to fix this?

    - by Jon
    I just upgraded to 12.04. When I press the super key to open the dash, there's a lag of 1-3 seconds before it displays, with no other programs running. (This is similar, but not identical, to the issue described in Dash application search unresponsive at startup about 11.10.) At login time, this lag is up to 10 seconds, and sometimes the dash doesn't respond at all to the super key. In contrast, the launcher Kupfer immediately responds to its hotkey, in milliseconds, and responds to my typing an application name also in fractions of a second. Is there a way to load the dash in memory or a RAM disk of some sort to make it more responsive?

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  • Sound notification over SSH

    - by Lekensteyn
    I just switched from the Konversation IRC client to the terminal based IRSSI. I'm starting IRSSI on a remote machine using GNU screen + SSH. I do not get any sound notification on new messages, which means that I've to check out IRSSI once in a while for new messages. That's not really productive, so I'm looking for an application / script that plays a sound (preferably /usr/share/sounds/KDE-Im-Irc-Event.ogg and not the annoying beep) on my machine if there is any activity. It would be great if I can disable the notification for certain channels. Or, if that's not possible, some sort of notification via libnotify, thus making it available to GNOME and KDE.

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  • Automatically kill a process if it exceeds a given amount of RAM

    - by chrisamiller
    I work on large-scale datasets. When testing new software, a script will sometimes sneak up on me, quickly grab all available RAM, and render my desktop unusable. I'd like a way to set a RAM limit for a process so that if it exceeds that amount, it will be killed automatically. A language-specific solution probably won't work, as I use all sorts of different tools (R, Perl, Python, Bash, etc). So is there some sort of process-monitor that will let me set a threshold amount of RAM and automatically kill a process if it uses more?

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  • How can I tell how a panel item was set up

    - by 4dummies
    I need to do some major surgery on a user account that has somehow sustained configuration damage to the point window decorations are gone, some apps don't listen to the keyboard, etc etc. I run xfce4 sessions. There's a panel on the top of the screen that has applications that I put there once upon a time. I know how to do that, sort of. But I don't remember the details of what I specified. And I'm unaware of an app for the panel that's like the menu editor that lets you see and manipulate an item that's already there. I want to do that because I want to re-do this stuff in a different account. Or possibly do a dotfile transplant on this account and re-edit to include the stuff I'm used to.

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  • Monitor displays "No VGA signal" "Check DVI cable" after installing motherboard drivers

    - by user1604220
    I bought computer with all of the needed parts, got everything sorted out, installed windows 7 but my CD-ROM doesn't fit my motherboard. So I had to download the driver manually and install it using USB disc. My motherboard: ECS elitegroup H61H2-M2, I downloaded it's drivers, installed the BIOS map or something, and then the computer forced a reboot after it was complete, after the reboot my monitor just stopped working and displayed No VGA signal, No DVI cable I think I've just installed the wrong driver, well but how can I sort it out? This is the driver I installed. On the book, it tells me to install the drivers, without the driver it won't see the Internet connection cable. I'm 100% sure there is nothing wrong with the monitor or it's cables. it stopped working exactly after the reboot after the installation.

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  • What issues lead people to use Japanese-specific encodings rather than Unicode?

    - by Nicolas Raoul
    At work I come across a lot of Japanese text files in Shift-JIS and other encodings. It causes many mojibake (unreadable character) problems for all computer users. Unicode was intended to solve this sort of problem by defining a single character set for all languages, and the UTF-8 serialization is recommended for use on the Internet. So why doesn't everybody switch from Japanese-specific encodings to UTF-8? What issues with or disadvantages of UTF-8 are holding people back? EDIT: The W3C lists some known problems with Unicode, could this be a reason too?

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  • Situations that require protecting files against tampering when stored on a users computer

    - by Joel
    I'm making a 'Pokémon Storage System' with a Client/Server model and as part of that I was thinking of storing an inventory file on the users computer which I do not wish to be edited except by my program. An alternative to this would be to instead to store the inventory file on the server and control it's editing by sending commands to the server but I was wondering if there are any situations which require files to be stored on a users computer where editing would be undesirable and if so how do you protect the files? I was thinking AES with some sort of checksum?

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  • MVC helper functions business logic

    - by Menelaos Vergis
    I am creating some helper functions (mvc.net) for creating common controls that I need in almost every project such as alert boxes, dialogs etc. If these do not contain any business logic and it's just client side code (html, js) then it's ok. My problem arises when I need some business logic behind this helper. I want to create a 'rate my (web) application' control that will be visible every 3 days and the user may hide it for now, navigate to rate link or hide it for ever. To do this I need some sort of database access and a code that acts as business logic. Normally I would use a controller for this, with my DI and everything, but I don't know where to put this code now. This should be placed in the helper function or in a controller that responds objects instead of ActionResults?

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