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• Visual Studio 2012 - Express vs Professional

  - by Dan

  I'm having trouble finding a feature comparison between Visual Studio 2012 express edition and the professional edition. I'm using the trial Profession version at the moment, but it'll run out soon, so I need to make a decision whether to purchase the full version. Obviously I can just try both initially and see if the express edition is suitable, but the problem is that there are that many features in Visual Studio, there might be a really useful feature that was missing in the standard edition that I didn't even know existed! Or I didn't spot was missing until later down the line. I could really do with a feature comparison list like the one for all non-express editions here. It's a shame that page doesn't include the express edition. (as a side note, there doesn't seem to be a visual-studio-2012 tag, so I had to just use visual-studio. Could someone with enough rep to create tags add a visual-studio-2012 tag?)

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• Tips for creating great game trailers

  - by Venesectrix

  Impressive trailers for your game can really help show players how awesome your game is, but I'm having trouble finding tips that describe how to create a great trailer. I would like to learn about the best way to decide trailer length, structure, music/sound, and content. Basically, what parts of my game do I show in a trailer, how should the scenes be organized, and how would you do the sound? Any advice on things to avoid would be great as well; for example, I read that splicing some video, switching to a screen with text, switching back to video, etc., probably isn't the best way to do it. Thanks!

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• visual basic coach needed [closed]

  - by Danny

  0 down vote favorite I am trying to learn visual basic. I used to program in gw-basic and have trouble learning vb.net by reading and googling all the time. It takes so much time to find the answers to my programming problems and even then i do not understand the why it have to be done that way. I have beginners questions like finding childwindows using enumwindow. Then googling for hours and hours i do not seem to grasp it (must be my old age). I would like to get someone i could learn from by asking questions about what i want to program and learn from it. not to just finish the program but to learn and understand it too. Someone who dont find questions stupid to ask as i try to build my understanding of the visual basic environment. I hope to communicate by using skype voice or chat or other direct means when time permits it. Cheers, Danny

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• dsl modem problem in ubuntu 11.10

  - by Misterious

  Earlier I used Windows 7 and the modem used to work absolutely fine. Even when it disconnected it used to reconnect automatically without any trouble. But then I installed Ubuntu 11.10 on dual boot and set up the modem connection properly but the modem now disconnects much more frequently(eariler it disconnected once in 5 hours or so and after ubuntu in 5 minutes!!). Also once disconnected it does not reconnect even when i have checked the connect automatically button. I have to restart the system to reconnect it. Also then I clean installed windows and modem works perfectly fine again. What is the reason for this and how can I solve this? I really want to use ubuntu but due to this problem I cant. Sorry for my poor English.

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• LibGDX tutorial help Scene2D

  - by BluFire

  I'm having trouble understanding this tutorial. It defines the importance of classes, but it doesn't show an outline of the project file so far. From what I got from that tutorial was that there is a stage and actors. Stage would be the static parts of the game, while the actors are the ones moving. After that I got confused with the drawing method. I tried modifying it so I can draw a shape, but it wouldn't work. How, if possible, would I create sprites using LibGDX's scene2d?

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• PowerShell Try Catch Finally

  - by PointsToShare

  PowerShell Try Catch Finally I am a relative novice to PowerShell and tried (pun intended) to use the “Try Catch Finally” in my scripts. Alas the structure that we love and use in C# (or even – shudder of shudders - in VB) does not always work in PowerShell. It turns out that it works only when the error is a terminating error (whatever that means). Well, you can turn all your errors to the terminating kind by simply setting - $ErrorActionPreference = "Stop", And later resetting it back to “Continue”, which is its normal setting. Now, the lazy approach is to start all your scripts with: $ErrorActionPreference = "Stop" And ending all of them with: $ErrorActionPreference = "Continue" But this opens you to trouble because should your script have an error that you neglected to catch (it even happens to me!), your session will now have all its errors as “terminating”. Obviously this is not a good thing, so instead let’s put these two setups in the beginning of each Try block and in the Finally block as seen below: That’s All Folks!!

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• iPad and User Assistance

  - by ultan o'broin

  What possibilities does the iPad over for user assistance in the enterprise space? We will research the possibilities but I can see a number of possibilities already for remote workers who need access to trouble-shooting information on-site, implementers who need reference information and diagrams, business analysts or technical users accessing reports and dashboards for metrics or issues, functional users who need org charts and other data visualizations, and so on. It could also open up more possibilities for collaborative problem solving. User assistance content can take advantage of the device's superb display, graphics capability, connectivity, and long battery life. The possibility of opening up more innovative user assistance solutions (such as comics) is an exciting one for everyone in the UX space. Aligned to this possibility we need to research how users would use the device as they work.

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• How to Factory Reset Your Android Phone or Tablet When It Won’t Boot

  - by Chris Hoffman

  Safe mode can help you troubleshoot your Android, but sometimes you’ll need to wipe everything and restore your device to its factory state. You can even perform a factory reset when your Android phone or tablet won’t boot normally. Ensure you have any important data backed up before doing a reset. This includes your Google Authenticator credentials, which will be lost during the reset. Disable two-factor authentication on your accounts first or you’ll experience some trouble afterwards. How to Factory Reset Your Android Phone or Tablet When It Won’t Boot Our Geek Trivia App for Windows 8 is Now Available Everywhere How To Boot Your Android Phone or Tablet Into Safe Mode

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• How to grant write permissions in Samba?

  - by Eric Fossum

  I'm having trouble with read/write permissions on my Samba server, how do I fix my smb.conf and file permissions to have a more unified access? smb.conf [global] workgroup = workgroup netbios name = LnxNAS server string = %h wins support = no dns proxy = no security = user encrypt passwords = yes panic action = /usr/share/samba/panic-action %d [homes] comment = Home Directories [Video] path = /data/eric/Videos [Music] path = /data/eric/Music [Pictures] path = /data/eric/Pictures [data] path = /data my ls -l of /data/eric/Pictures drwxrwxrwx 2 ericfoss root 4096 2011-03-13 22:09 Android Projs drwxrwxrwx 3 ericfoss root 4096 2011-03-13 22:09 Automotive -rwxrwxrwx 1 ericfoss root 2439 2010-12-17 17:03 BDD reduction.png -rwxrwxrwx 1 ericfoss root 2722 2010-12-17 16:55 BDD Tree.png -rwxrwxrwx 1 ericfoss root 7341 2010-12-17 16:46 BDD Tree.xcf -rwxrwxrwx 1 ericfoss root 72421 2007-11-22 22:59 Bum Ninja.jpg -rwxrwxrwx 1 ericfoss root 32152 2010-12-17 21:25 cell transition.png -rwxrwxrwx 1 ericfoss root 40212 2010-12-17 17:55 control graph.png drwxrwxrwx 2 ericfoss root 4096 2011-03-13 22:09 Crap -rwxrwxrwx 1 ericfoss root 82 2010-09-20 17:18 desktop.ini ericfoss@SERVER:~$ If I try to delete \Server\Pictures\Crap it says permission denied, but \Server\data\eric\Pictures\crap can be deleted... I thought security = user took care of this?

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• Polymorphism and passing

  - by Tucker Morgan

  Ok i am going to try and state my question as clearly as possible, but if you have trouble understanding it please just ask for clarification, i really want to figure out how to do this. I am writing a text based RPG, and i have three class that inherit from a super class, they all have special attacks that they can preform, at the same time i have a class that holds the function which handles battles in my game. Now how do i get the unique special abilities functions for whatever role the player chooses into the battle function. Also i am using the vector.push_back method to handle how my sub classes are referenced Please help me your my only hope

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• Raycasting tutorial / vector math question

  - by mattboy

  I'm checking out this nice raycasting tutorial at http://lodev.org/cgtutor/raycasting.html and have a probably very simple math question. In the DDA algorithm I'm having trouble understanding the calcuation of the deltaDistX and deltaDistY variables, which are the distances that the ray has to travel from 1 x-side to the next x-side, or from 1 y-side to the next y-side, in the square grid that makes up the world map (see below screenshot). In the tutorial they are calculated as follows, but without much explanation: //length of ray from one x or y-side to next x or y-side double deltaDistX = sqrt(1 + (rayDirY * rayDirY) / (rayDirX * rayDirX)); double deltaDistY = sqrt(1 + (rayDirX * rayDirX) / (rayDirY * rayDirY)); rayDirY and rayDirX are the direction of a ray that has been cast. How do you get these formulas? It looks like pythagorean theorem is part of it, but somehow there's division involved here. Can anyone clue me in as to what mathematical knowledge I'm missing here, or "prove" the formula by showing how it's derived?

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• Dissection of Google indexing services

  - by Pankaj Upadhyay

  There are more than a few questions that hop into mind when someone thinks about Google's indexing services. Jeff Atwood wrote about them at The Elephant in the Room: Google Monoculture and Trouble In the House of Google. I have two questions: How does google index dynamic websites? This site has dynamic pages, QUESTIONS, TAGS, USERS, BADGES, UNANSWERED, ASK QUESTION. The content of these pages is dynamically generated, therefore we access the dynamic content and not the physical files on the server. But how does Google shows every question of the site or other dynamic websites? What does Google index and keep on its servers? Does it copy the complete page into its server or just the title, meta tags and body?

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• How do I do TDD on embedded devices?

  - by Darth

  I'm not new to programming and I've even worked with some low level C and ASM on AVR, but I really can't get my head around a larger-scale embedded C project. Being degenerated by the Ruby's philosophy of TDD/BDD, I'm unable to understand how people write and test code like this. I'm not saying it's a bad code, I just don't understand how this can work. I wanted to get more into some low level programming, but I really have no idea how to approach this, since it looks like a completely different mindset that I'm used to. I don't have trouble understanding pointer arithmetics, or how allocating memory works, but when I see how complex C/C++ code looks compared to Ruby, it just seems impossibly hard. Since I already ordered myself an Arduino board, I'd love to get more into some low level C and really understand how to do things properly, but it seems like none of the rules of high level languages apply. Is it even possible to do TDD on embedded devices or when developing drivers or things like custom bootloader, etc.?

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• How to Configure the Linux Grub2 Boot Menu the Easy Way

  - by Trevor Bekolay

  We, like many Linux geeks, have had some trouble making the transition to Grub2, or for some of us, learning how to configure it from scratch. Fortunately, a new graphical tool has made this process easy and straightforward! Photo by e_monk. Latest Features How-To Geek ETC Internet Explorer 9 RC Now Available: Here’s the Most Interesting New Stuff Here’s a Super Simple Trick to Defeating Fake Anti-Virus Malware How to Change the Default Application for Android Tasks Stop Believing TV’s Lies: The Real Truth About "Enhancing" Images The How-To Geek Valentine’s Day Gift Guide Inspire Geek Love with These Hilarious Geek Valentines The Citroen GT – An Awesome Video Game Car Brought to Life [Video] Four Awesome TRON Legacy Themes for Chrome and Iron Anger is Illogical – Old School Style Instructional Video [Star Trek Mashup] Get the Old Microsoft Paint UI Back in Windows 7 Relax and Sleep Is a Soothing Sleep Timer Google Rolls Out Two-Factor Authentication

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• Collision library for bullet hell in Python

  - by darkfeline

  I am making a bullet hell game in Python and am looking for a suitable collision library, taking the following into consideration: The library should do 2D polygon collision. It should be very fast. As a bullet hell game, I expect to do collision checks between hundreds, likely thousands of objects every frame at a consistent 60fps. Good documentation Permissive license (like MIT, not GPL) I am also considering writing my own library in C/C++ and wrapping with python ctypes in the event that no such library exists, though I do not have experience with collision detection algorithms, so I am not sure if this would be more trouble than it's worth. Could someone provide some guidance on this matter?

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• HTML Javascript Hidden Object or Photo Hunt Game

  - by PeteT

  Is anyone aware of any example photo hunt/hidden object games either in HTML and Javascript or flash if necessary? I am having trouble finding one, I may be using the wrong words to search. Photo hunt being like the wheres wally/waldo books where you look for wally in a complex image until you find him. So if it were played on screen you would press the location of wally and it would either be correct or wrong, possibly timed. I am hoping to find one where you can just load in your own photos and specify some co-ordinates that match where the hidden object is. A spot the difference example may be useful as a starting point but I haven't found an example of either that is web based yet.

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• Corrupt plymouth boot screen when using properietary Nvidia drivers

  - by Tejas Hosangadi

  I recently got the final version of Ubuntu Natty Narwhal x64 and everything is working just fine. The only thing I am having trouble with is the boot screen. After I installed the proprietary nVidia drivers, the boot screen becomes corrupt and only shows text (as it has been doing since Ubuntu 10.04). When I followed the instructions to fix the boot screen in 10.04 and 10.10, the boot screen still remains the same and the problem isn't resolved. Please give a full guide on how to fix this problem. Machine Details Computer : HP Pavilion p6240in Processor : Core 2 duo Memory : 4096 megabytes Graphics : nVidia G210 3d graphics Monitor : Dell 17 inch lcd Another question I would like to ask is whether it is possible to use this script (http://www.webupd8.org/2010/10/script-to-fix-ubuntu-plymouth-for.html) with 11.04. I am asking this question because it says that the script works only with 10.04 and 10.10.

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• keybinding issues with xmodmap across synergy

  - by Rick

  I've got two systems I use across Synergy. On the main one I have a normal keyboard that I swap caps lock and ctrl for. So I do: xmodmap -e 'keycode 66 = Control_L' xmodmap -e 'clear lock' xmodmap -e 'add Control = Control_L' Where keycode 66 is my caps lock key. The trouble is that I can't get this key to act as a control key on the other machine I connect to with synergy. The strange thing is that if I plug a keyboard into the machine, and run xev, the control key there is keycode 37. When I then hit my modified control key (keycode 66 on the master) it's registering as keycode 37 on the remote machine. So according to xev, it should be picking it up as a control keypress. Anyone have any hints on if Synergy is doing something overly helpful for me?

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• Java doesn't show up in firefox plugins

  - by user857990

  I've just installed the newest java, because firefox blocks the old version. I used the tutorial from http://www.backtrack-linux.org/wiki/index.php/Java_Install Because I had some trouble once, I knew that there are multiple library folders, so I linked into all mozilla plugin folders that there are. /root/.mozilla/plugins /usr/lib/firefox/plugins/ /usr/lib/firefox-addons /usr/lib/mozilla/plugins /usr/lib64/mozilla/plugins java -version returns java version "1.7.0_07" Java(TM) SE Runtime Environment (build 1.7.0_07-b10) Java HotSpot(TM) 64-Bit Server VM (build 23.3-b01, mixed mode) But when I go to firefox plugins, it's not listed. What do I need to do, so that firefox recognizes java?

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• Experience formula with javascript

  - by StealingMana

  I'm having trouble working out a formula using this experience curve to get the total exp after each level. I bet its easy and im just over thinking it. maxlvl = 10; increment = 28; baseexp = 100; function calc(){ for (i = 0;i<(maxlvl*increment);i+=increment){ expperlvl = baseexp + i; document.writeln(expperlvl); } } I figured it out. maxlvl=6; base=200; increment=56; function total(){ totalxp= (base*(maxlvl-1))+(increment*(maxlvl-2)*(maxlvl-1)/2); document.write(totalxp); }

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• rotating model around own Y-axis XNA

  - by ChocoMan

  I'm have trouble with my model rotating around it's own Y-axis. The model is a person. When I test my world, the model is loaded at a position of 0, 0, 0. When I rotate my model from there, the model rotates like normal. The problem comes AFTER I moved the model to a new position. If I move the the model forward, left, etc, then try to rotate it on it's own Y-Axis, the model will rotate, but still around the original position in a circular manner (think of yourself swing around on a rope, but always facing outward from the center). Does anyone know how to keep the center point of rotation updated?

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• Drawing beam effect in UDK?

  - by sgrif

  I'm having trouble drawing a particle effect between two actors in UDK - Both the source and the target are not static objects, so as far as I can tell I need to do it in the code not in kismet. Here's what I've got at the moment and it seems to not be doing anything at all. Ideas? BeamEmitter[0] = new(self) class'UTParticleSystemComponent'; BeamEmitter[0].SetAbsolute(false, false, false); BeamEmitter[0].SetTemplate(BeamTemplate[0]); BeamEmitter[0].SetTickGroup(TG_PostUpdateWork); BeamEmitter[0].bUpdateComponentInTick = true; self.AttachComponent(BeamEmitter[0]); BeamEmitter[0].SetBeamEndPoint(2, tarPos); BeamEmitter[0].ActivateSystem();

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• Web framework for IPad and common desktop browsers?

  - by Chris

  We are developing a web-based, commercial point-of-sale application. We'd like the same web site to work well on an Ipad as well a desktop browsers. We're looking for a web framework that makes the site look good on an IPad, but also makes the site work well in a desktop browser such as Chrome, IE, or Firefox on Windows or a Mac. I found quite a few at 18 Mobile Frameworks and Development Tools for Creating iPhone Apps Most of them, such as JQTouch, help a web site look and act more like a native IPhone application but they don't emphasize the cross platform/browser experience. The exception seems to be Sproutcore, which seems to be a full-fledged javascript MVC application framework. I did have trouble getting some of the demos to work under Chrome, but what did work looks good. What framework(s) have you actually used to develop web sites to work on an Ipad and desktop browser? If you didn't use a framework, how did you get it to work well under both environments?

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• Reinstall of Windows Bootloader not working

  - by MrBoxy

  It first started when I deleted my partition that had Ubuntu 12.04 on it. Little did I realize at the time that it would destroy all the resources of Grub on it, and subsequently prevent me booting into my hibernated windows. So I made a 12.10 Ubuntu live USB and reinstalled windows bootloader. When I rebooted it gave me a bootloader error saying I that it could not find the resources to boot from. So I went back to my live USB and installed boot-repair and tried to repair the mbr. It didn't work though. Here is the URL the boot-repair gave me if I was in trouble: paste.ubuntu.com/1328309 Thanks in advance :)

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• Addressing a variable in VB

  - by Jeff

  Why doesn't Visual Basic.NET have the addressof operator like C#? In C#, one can int i = 123; int* addr = &i; But VB has no equivalent counter part. It seems like it should be important. UPDATE Since there's some interest, Im copying my response to Strilanc below. The case I ran into didnt necessitate pointers by any means, but I was trying to trouble shoot a unit test that was failing and there was some confusion over whether or not an object being used at one point in the stack was the same object as an object several methods away.

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