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• Geek City: sp_cacheobjects for SQL Server 2012

  - by Kalen Delaney

  In a post about 4 1/2 years ago , I gave you my version of a replacement for the old pre-2005 pseudotable syscacheobjects . I called it sp_cacheobjects and created it as a view in the master database. With the sp _ prefix, the view can be accessed from any database. When testing this on SQL Server 2012, I noticed that I almost always got a lot more rows back than I was expecting. Even when I added a WHERE clause to limit the database to only the database I was working in, I STILL got way to many...(read more)

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• How to create reproducible probability in map generation?

  - by nickbadal

  So for my game, I'm using perlin noise to generate regions of my map (water/land, forest/grass) but I'd also like to create some probability based generation too. For instance: if(nextInt(10) > 2 && tile.adjacentTo(Type.WATER)) tile.setType(Type.SAND); This works fine, and is even reproduceable (based on a common seed) if the nextInt() calls are always in the same order. The issue is that in my game, the world is generated on demand, based on the player's location. This means, that if I explore the map differently, and the chunks of the map are generated in a different order, the randomness is no longer consistent. How can I get this sort of randomness to be consistent, independent of call order? Thanks in advance :)

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• Find Waldo with Mathematica

  - by Jason Fitzpatrick

  If you’re looking for a geeky (and speedy) way to find Waldo, of the Where’s Waldo? fame, this series of Mathematica scripts makes it a snap. Over at Stack Overflow, programmer Arnoud Buzing shares a clever bit of Mathematica-based coding that analyzes a Where’s Waldo? drawing and finds the elusive Waldo. Hit up the link below to see the distinct steps of analysis with accompanying photos. How Do I Find Waldo with Mathematica? [via Make] How To Properly Scan a Photograph (And Get An Even Better Image) The HTG Guide to Hiding Your Data in a TrueCrypt Hidden Volume Make Your Own Windows 8 Start Button with Zero Memory Usage

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• Launch Rhythmbox using a Keyboard shorcut

  - by palerdot

  I use Rhythmbox all the time in my Ubuntu. Is it possible to have a custom shortcut like Ctrl+R in Ubuntu, which can launch the Rhythmbox window, even if it is playing in the background ? Since, the emphasis of Linux OS flavors is to use keyboards as much as possible instead of mouse, i thought this functionality might tremendously help me in my Ubuntu environment. The Keyboard shortcuts sections asks for a command; So, I'm not able to figure out how to give a custom keyboard shortcut to a program like Rhythmbox. I'm using 12.04 if that helps. Thanks.

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• GeForce8800 ultra

  - by Gunnar

  I have been running Ubuntu 10.04 with GeForce 8800 Ultra graphics card without any problems for many months until a few days ago, after some updates, everything stopped working. Can't use Stellarium (my favorite program) and everything (even the mousecusor) stops responding for a long time. Takes ages to load the desktop and everything is just "f..." B.t.w. I have a dual boot and WinXP is not having this problem with the 8800 card. So, elementary... What's going on between Ubuntu and Nvidia? Best regards Gunnar

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• I try install dhcp3-server, but /etc/init.d/dhcp3-server file is missing. Whats going on?

  - by hydroparadise

  I've found several how-to's that essentially go through the same process in setting up DHCP. Here's a link that has the list of step needed install and setup DHCP. I follow all the steps and find that the sudo /etc/init.d/dhcp3-server restart portion returns command not found only to reveal the the file doesn't even exist. I've installed (sudo apt-get install dhcp3-server) and uninstalled (sudo apt-get remove dhcp3-server) two or three times. I'm pretty sure my config files are good because I've had to check them three times. But I don't think I'm to that point of being able to see them action it. I cant control the process. Why is the file missing? How is it supposed to get there? Help?

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• What's the best way to add some particle or laser effects to an already animated character?

  - by Scott

  I just purchased some rigged and animated robot characters from 3drt for a game I'm making in unity. I would like to be able to add some weapon effects to the characters. For example, I would like for the robots to be able to shot lasers out of the hands at enemies. I have know idea where to even start with this task as I'm more of a programmer than a graphics guy. Can some experienced developers / designers please point me in a good direction? Thanks. Note: As of right now I have maya and blender installed on my computer.

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• Oracle Solaris 11.1 Available Now!

  - by Glynn Foster

  As you may have already noticed, Oracle Solaris 11.1 is now available from the download page. This release marks nearly a year of development with some really exciting new features, hundreds of bug fixes, and another step towards a product that enterprise customers should feel utterly confident in deploying. We've made some great strides in fixing the frustrations that our customers care about - it is now even easier to deploy, update and manage, and our feature set is more integrated than ever to give you a superior experience. Go download now! If you've got an existing Oracle Solaris 11 11/11 installation you won't need to re-install again. Simply use the packaging tools and follow this useful How to Update to Oracle Solaris 11.1 using IPS guide. We're also hosting an online event on the 7th November where we'll talk about Oracle Solaris 11.1, some of the new features included in this release, and where we're going generally with the operating system. Come join us!

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• Is client side JavaScript capable of replicating the Node.JS module loading system?

  - by jt0dd

  I like the Node.JS style of JavaScript, where I can write all of my functionalities into smaller files and then require those neatly from within my code. I'm even thinking about trying to write a framework to mimic that behavior in client-side JS. My goal would be to implement the module loading system as accurately as possible - See Module docs. For require(), I can use things detailed in answers to this question, most notably JQuery's $.getScript(). It seems to me that other aspects of the module loading system should be possible as well. So I'm asking more experienced programmers here first, before I waist my time: Is there something that I'm missing that's going to cause such an attempt to fail miserably, or can this be successfully done?

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• dpkg reports error on package icaclient

  - by Photonics1

  I installed the icaclient (it's a client for Citrix) a while back. I don't exactly remember what I did to get it working but it was enervating. I had to install some old packages not even avaiable for ubuntu (12.04) and in the end I used some stuff from old rpms. Anyway the client is more or less working now but I always get a dpkg error when installing or updating something. The (translated) error message is something like: dpkg: Error while processing icaclient:i386 (--configure): subprocess installed post-installation-script return errorcode 2 I just want to tell dpkg to ignore this or remove this post-install-script but I don't know how. Thanks!

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• Unbuntu stuck at boot after update

  - by RandomUbuntuUser

  Well, I installed Ubuntu 11.10 via Wubi on my MSI U270. Everything was running fine, I even got fglrx working after I manually downloaded a .run and executed it. Then I thought of running the complete updates that were on the update manager. I did run it, it took a whole night to complete, I waited a bit as the part came where I had to click on "Restart now". I clicked it, after that I'm stuck at the purple screen with all dots lighted orange. I've been waiting for it to start up for more than half an hour, and there used to be occasional HDD blinks which isn't happening now. Should I reboot? Edit: After the restart not while restarting, forgot to mention that and by the way, is there a way to see anything that's happening just so I know that it ain't stuck?

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• DirectCompute information

  - by N0xus

  I've been trying to make use of the GPU as part of a project of mine. I've looked into both CUDA and OpenCL, but the lack of information showing you how to introduce these into a project is shocking. Even their dedicated forum groups are dead. So now, I'm looking into DirectCompute. From what I can tell, it's simply a new type of shader file that makes use of HLSL. My question is this, does my program (aside from being DirectX 10 / 11 ) need its structure changed? I mean, is it simply a case of creating the CS file, setting in the project like I would any other shader, and watch the magic happen? Any information on this would be appreciated.

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• How do you make your applications looking more sexy?

  - by Roflcoptr

  The other title of this question could also be: How to improve my creativeness? During the past years I noticed that a loot of my small applications that I write in my free time to ease my life could also be useful for some of my friends. They asked me to get them a copy. Even if the applications are working as they should I feel a little bit embarrassed because they GUIs are all looking really ugly. The problem is, I always used standard and default-looking Buttons, TextBoxes etc. Now I thought about how to improve this. And yes I know it is possible to use themes, ImageButtons, ColorBrushes and so on. And now the real problem is: I can't really see which colors fit together and make a good design. Are there any techniques, books, other resources that help to improve to get a feeling for good designs, color combinations, UI element choose?

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• How to reduce noise in Skype?

  - by tkc

  According to Alsamixer I do have a HDA Intel soundcard with Nvidia MCP77/78 HDMI chip (Realtek sound card on MSI notebook). When I use Skype under Ubuntu 12.04 for video calls, the other side hears background noise such as in Windows when you have your microphone boosted. In fact they can hear everything, even the fans turning on. There is nothing tweaked on Ubuntu's fresh installation. Also tried this site: https://code.launchpad.net/~ubuntu-audio-dev/+archive/alsa-daily/+packages , but there are no *.deb files that I can test if any fix the problem. The question is if there is a way to add/tweak something to enable on software level the noise cancellation like the Windows sound drivers have that option. I use my build in mic.

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• How can I make the unity sidebar visible permanently (as in, in all circumstances)?

  - by Doug

  Yes, I have seen the other similar questions; if this is a duplicate please link me to the question that answer this, because none of them appear to; all appear to only address (1) of the two issues below: There are TWO times when the sidebar will magically vanish: 1) By default when you move your cursor off it and focus on a different app. This is fixable by setting the auto hide behaviour, as described here: How to make the Unity launcher always visible? 2) When you move a window over / under it, or maximize a window. Even when the autohide setting is 'never' this will cause the sidebar to mysterious decide to hide itself. In fact, it doesn't appear what settings you change, this behaviour refuses to change. This is extremely undesired behaviour. I'm using a stock standard 11.10 install.

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• How do I pick up a new language quickly, given I know several others?

  - by Mark Trapp

  One type of question that keeps coming up on Programmers.SE is how to learn a specific language, given you know several others (usually through a lot of experience or education). In some cases, however, one might need to get up to speed quickly for a job, or for personal development, or even to check out a hot new platform. In your experience, what general strategies have you used to pick up a new language quickly? Are there specific aspects of a language you try to focus on when starting cold? What types of resources do you find helpful in this process?

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• Dynamic website SEO development

  - by Pankaj Upadhyay

  I made a website which stayed online for 6 months. During that period the search results for the site were not at all good. Even typing the domain name yielded just two or three category result. Now, I have taken the site down for total redevelopment and redesign. The aim of this question is to know the basics for SEO to be done while redesigning the site. My site will be in ASP.NET MVC 3 and will have main categories, sub categories and sub-sub if any. Then there will be products in those categories. All the data will come from MSSQL DB. Please tell me just the basics required for a dynamic website during development. I want to ensure that google and other engines index all the pages of my site including products or whatever.

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• Left and right keys acting crazy on Ubuntu 10.10 Netbook Remix?

  - by Stephanie

  Hi guys, I just installed Ubuntu 10.10 Netbook Remix on my HP Mini 1000. Everything worked fine right up until I tried typing - apparently the left and right arrow keys on my keyboard are uncontrollable. Everything I type ends up looking messed up because the left and right keys keep automatically inserting themselves into everything I type. This also happens when I click on, say, "File" on Firefox. It starts rotating between all the different menu options even though I'm not pressing anything on the keyboard. Does anyone have any idea what's going on? Is this a problem with the keyboard itself?

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• Architectural advice - websockets javascript/php integration

  - by Ewan Vaentine

  Myself and a friend have started making a game, he's likely to be using impact.js for the user interaction etc, but we need multiplayer functionality so some form of websockets for TCP connections etc. So we were thinking impact.js into socket.io and node.js. However, user accounts, ecommerce, session handling and social media integration will all be handled with Codeigniter (PHP), my question is, is it wise to have node.js running in parallel with Codeigniter, or if this is even possible? If not, if you were to create a multiplayer online game utilising ecomms to buy credits and user accounts, how would you go about this from a structural position and what engines/frameworks would you recommend? I'm new to this site so I apologise in advance if I'm posting something inappropriate. Cheers, Ewan

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• How can I get started installing Buddycloud software to a hosted site?

  - by rujic

  I'm confused about how one hosts a Buddycloud (federated social networking software) channel. I downloaded the source code, but I'm not sure how to install it on my website. Most of the information seems to assume that the host is running their own server, but I have plain ol' paid web hosting. I know that you also need to set up an XMPP server to run Buddycloud, and I'm not sure how to do that on my hosted website—or if it's even possible. If it matters, my site is hosted on a Linux server through IX Web Hosting. I'd greatly appreciate it if you guys could point me in the right direction.

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• XNA Sprite Clipping Incorrectly During Rotation

  - by user1226947

  I'm having a bit of trouble getting my sprites in XNA to draw. Seemingly if you use SpriteBatch to draw then XNA will not draw it if for example (mPosition.X + mSpriteTexture.Width < 0) as it assumes it is offscreen. However, it seems to make this decision before it applies a rotation. This rotation can mean that even though (mPosition.X + mSpriteTexture.Width < 0), some of the sprite is still visible on screen. My question is, is there a way to get it to draw further outside the viewport or temporarily disable sprite clipping during a certain spriteBatch.draw(...)? sb.Draw(mSpriteTexture, mPosition, new Rectangle(0, 0, mSpriteTexture.Width, mSpriteTexture.Height), Color.White, Globals.VectorToAngle(mOrientation), new Vector2(halfWidth, halfHeight), scale, SpriteEffects.None, 0);

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• Blackscreen while installing 12.10

  - by Nalelvon

  everytime I try to install ubuntu 12.10 on my laptop i get a blackscreen after clicking on "install ubuntu", "try ubuntu without installation" or "ubuntu live" i tried it with nomodeset, nolapic and acpi=off too but nothing works. Sometimes i even get so a loading screen with nothing but "Ubuntu 12.10" and 4 dots in the middle, after that shortly a blackscreen appears with some text on it and then the complete blackscreen appears. As i tried with "no splash" instead of "quiet splash" it shows me something with graphic and determined in it but it was to fast away in a blackscreen to remember. Has someone any idea what I can do to get this working? Sry for my bad english i'm actually from germany. Sincerely Nalelvon

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• pulseaudio: no microphone configuration

  - by mitsch

  Updated Ubuntu to precise from oneiric on a Dell Inspirion Mini 10 (with an Intel HDA-Soundcard). I can't remember having any issues with the microphone. I didn't need it - I tried ekiga the first time in precise. I couldn't hear any sound in the echo test of ekiga, so I switched to the "System Preferences" and looked for the microphone to boost it. Surprisingly, the microphone input was greyed out - I couldn't mute or unmute, i couldn't even move the volume-slider. On the other hand: I could change the microphone-setting on console with alsamixer, so don't worry about that… :) I just wanted to ask, how to get pulseaudio back to the known, comfortable behaviour. Some newbies won't know the trick to use alsamixer… My soundcard (output of lspci): 00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 02) Greets!

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• SSH access failure from Ubuntu 12.04 LTS VM

  - by begueradj

  I installed 2 VMs on VirtualBox. VM 1: Windows XP with FreeSSHd and PuTTY installed.IP address: 10.0.0.2 VM 2: Ubuntu 12.04 LTS Server Edition with OpenSSH installed.IP address: 10.0.0.3 From VM 1, I run PuTTY with the IP address of VM 2 (10.0.0.3) and port number 22. I get prompted to input the username and password of VM 2 and everything works fine.From VM 2, I run on the terminal (Ubuntu): ssh [email protected] , I get prompted to enter the password of VM 1. I do so, but it says my password is invalid (while it is the correct one). I even deactived the Firewall on VM 1, but still the problem is here: my password is not accepted from VM 2. Is this due to some settings maybe I must do on VM 1 (Windows XP) so as I can access it with SSH ? Maybe it has something to do with the Firewall of Windows XP ?Important information: ping 10.0.0.2 from VM 1 and ping 10.0.0.3 from VM 2 are working successfully.

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• Monitor Display issue

  - by dsiddens

  When booting I will have to boot maybe 3 or 4 times to get a screen that is not displayed diagonally or is not using the full screen width. Hardware specification: HP s7727c with AMD64 and NVIDIA chipsets and Insignia 22" monitor/TV. The Ubuntu version is 9.10 Karmic. I'd like to stay current with Ubuntu on this machine, but have gone down to 9.10 to get this described functioning. I tried higher versions and could not get past the "black screen" I think this issue is connected to the NVIDIA chipset/driver problem. I am a GUI user and I don't follow the other solutions posted which make use of the command line. I suppose if the command line solution could be given without making any assumptions of the receiving person's knowledge base, then even I and others like me, could implement it. Thank you for your time and assistance. Doug

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