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• removing an ssrs instance from a scale-out deployment

  - by Alex Bransky

  If you're like me you had at one time connected one of your Reporting Services instances to a report server database that was already in use by another instance.  This allows the instance to show up in the Scale-out Deployment section of the Reporting Services Configuration Manager.  My problem was that the server that got joined to the original server was no longer available as it had been repurposed, and when I clicked Remove Server to remove it from my scale-out it would fail because it couldn't contact the server.  After searching for a solution for quite some time I decided to look around in the report server database tables, and voila!  All I had to do was remove the old server from the Keys table.  I can't guarantee there won't be any side effects to this method, but it worked like a charm for me.

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• Can't open Evolution CouchDB address book

  - by Amanda

  Unable to open address book This address book cannot be opened. This either means that an incorrect URI was entered, or the server is unreachable. I tried the solution (and suggestions) in Evolution has no access to couchdb but that isn't working for me. I tried stopping desktopcouch-service and deleting my access keys and now the error I get says Unable to open address book This address book cannot be opened. This either means that an incorrect URI was entered, or the server is unreachable. Detailed error message: Address Book does not exist Do I need to create my addressbook anew?

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• How to make my sprite jump properly?

  - by Matthew Morgan

  I'm currently working on a 2D platformer in XNA. I have, however been having some trouble with creating a fully functional jumping algorithm. This is what I have so far: if (keystate.IsKeyDown(Keys.W)) if (onGround = true) //"onground" is true when the collision between the main sprite and the ground is detected { spritePosition.Y = velocity.Y = -5; } So, the problem I am now having is that as soon as the jump starts the variable "onGround" = false and the sprite is brought back the ground by the simple gravity I have implemented. The other problem I have is creating a limit to the height after which the sprite should automatically return to the ground. Any advice or suggestions would be greatly appreciated.

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• Reflective practice in programming using keystroke playback

  - by Graham

  I'm thinking of applying Reflective Practice to improving my programming skills. To that end, I want to be able to watch myself writing code. In general, what is a good method for applying Reflective Practice to the craft of programming? In particular, if it's a good idea, is there an editor that records keystrokes then plays them back at a later time - possibly running the keys together without delays, or replaying at a 2x/4x/8x accelerated rate? Screencasting with RecordMyDesktop is an option, but has downsides of waiting for encoding and ending up with a big video file instead of a list of keystrokes.

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• Keyboard Navigation For ASP.NET GridView And TreeList Controls v2010 vol 1

  Great new keyboard navigation feature! With the DXperience v2010.1 release, you can enable keyboard navigation by changing a single property, set KeyboardSupport to true. Once KeyboardSupport is enabled, your users can: Focus On Grid Using Control Activation Key Specify an access key for your grid controls and allow your end-users to press CTRL+SHIFT+AccessKey to change focus to the corresponding grid control. Focused Row Press the UP and DOWN arrow keys to move row focus....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• C++: Checking if an object faces a point (within a certain range)

  - by bojoradarial

  I have been working on a shooter game in C++, and am trying to add a feature whereby missiles shot must be within 90 degrees (PI/2 radians) of the direction the ship is facing. The missiles will be shot towards the mouse. My idea is that the ship's angle of rotation is compared with the angle between the ship and the mouse (std::atan2(mouseY - shipY, mouseX - shipX)), and if the difference is less than PI/4 (45 degrees) then the missile can be fired. However, I can't seem to get this to work. The ship's angle of rotation is increased and decreased with the A and D keys, so it is possible that it isn't between 0 and 2*PI, hence the use of fmod() below. Code: float userRotation = std::fmod(user->Angle(), 6.28318f); if (std::abs(userRotation - missileAngle) > 0.78f) return; Any help would be appreciated. Thanks!

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• Keyboard Navigation For ASP.NET GridView And TreeList Controls v2010 vol 1

  Great new keyboard navigation feature! With the DXperience v2010.1 release, you can enable keyboard navigation by changing a single property, set KeyboardSupport to true. Once KeyboardSupport is enabled, your users can: Focus On Grid Using Control Activation Key Specify an access key for your grid controls and allow your end-users to press CTRL+SHIFT+AccessKey to change focus to the corresponding grid control. Focused Row Press the UP and DOWN arrow keys to move row focus....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Google Maps keeps displaying in Spanish

  - by Ken Hortsch

  Originally posted on: http://geekswithblogs.net/BlueProbe/archive/2013/11/12/154610.aspxIn Chrome I use Google Maps as a search provider.  That way I can just type maps for the URL address, hit a couple of tab keys, and enter the maps address and have the page rendered with my map.  Now periodically maps were displaying in Spanish with a "click here to translate to English” option.  Huh?  My language settings on the browser and within Google settings all were English.  Turns out I had set my Chrome search provider string to include a language query parm=es.  Why would I do that?  Evil twin perhaps.

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• Help with two mini-bugs

  - by oneuseaccount

  Let's see if someone can help me with two mini-bugs I have: Sometimes, when I close the laptop and later open it, the touchpad stops working properly. Most times it only acts fuzzy a few seconds and then starts working fine, but other times it stops working completely (I can't move the mouse arrow, althougt clicking buttons work fine) until I restart. Whenever I turn on the computer, some keys excange with others (" becomes @, ? becomes _, ¿ becomes +, etc), and I have to go to Keyboard input and add and delete some language (I use Afgan because it's the first) Thanks.

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• Optimization of a Hybrid Pagination Scheme

  - by Kaustubh Karkare

  I'm working on a Web Application using node.js in which I'm building a partial copy of the database on the client-side to decrease the load on my server. Right now, I have a function like this (expressed as python-style pseudocode, but implemented in JavaScript): get(table_name,primary_key): if primary_key in cache[table_name]: return cache[table_name][primary_key] else: x = get_data_from_server(table_name,primary_key) # socket.io return cache[table_name][primary_key] = x While this scheme works perfectly well for caching individual rows, I'd like to extend it to support the creation of paginated tables ordered according to the primary_key, and loading additional data using the above function for only the current and possibly the adjacent pages. Now, I don't want to keep the list of primary keys on the server to be retrieved every time I need to change the page (which, for reasons beyond the scope here, will be very frequent), and keeping it on the client side, subject to real-time create/delete events from the server, doesn't seem that good an idea, even after compression (using ranges, instead of individual values). What is the best way to calculate which items are to be displayed on a random page, minimizing the space requirements & the need for communication with the server?

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• viewing fbx files in windows via xna 4.0

  - by user17753

  I've made some models in Blender and exported them in Autodesk fbx format. I'm trying to view them using XNA 4.0 Refresh. Loading them isn't much an issue, but I'm not familiar enough with XNA 4.0 to, well basically I want to load in the model at say the origin (0,0,0) world coordinates, and then rotate and/or zoom the camera about the world coordinates origin as well so that I can test the model. Typically the mouse, and maybe some arrow keys for zooming/rotating the camera. Anyways, this seems like a simple task and I shouldn't have to re-invent this, isn't there a skeleton code somewhere for this kind of thing for XNA 4.0? I couldn't find a solid example for this on the web. I found a couple that seemed like they might work for xbox, but I'm trying to do this on windows only. Anyways, just looking to be pointed in the right direction on this one, thanks.

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• How To Get a Better Wireless Signal and Reduce Wireless Network Interference

  - by Chris Hoffman

  Like all sufficiently advanced technologies, Wi-Fi can feel like magic. But Wi-Fi isn’t magic – it’s radio waves. A variety of things can interfere with these radio waves, making your wireless connection weaker and more unreliable. The main keys to improving your wireless network’s signal are positioning your router properly — taking obstructions into account — and reducing interference from other wireless networks and household appliances. Image Credit: John Taylor on Flickr How To Get a Better Wireless Signal and Reduce Wireless Network Interference How To Troubleshoot Internet Connection Problems 7 Ways To Free Up Hard Disk Space On Windows

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• Rotate object Up/Down/Left/Right in any orientation

  - by George Duckett

  I'm rendering model at the origin with a fixed camera looking at it positioned on the z axis. I want to be able to rotate the model up/down and left/right. Currently I have 2 variables, HorizontalRotation and VerticalRotation. When calculating the world matrix I rotate about the Y axis by HorizontalRotation and about the X axis by VerticalRotation. The ..Rotation variables are controlled by pressing up/down/left/right arrow keys. The problem I'm having is that the rotations are happening relative to the object. Lets say it's a model of the world. Pressing Up a bit would let me look at the north pole. Currently when i press right the earth spins infront of the camera on its axis; I'm still looking at the north pole. How can i get it so that no matter what rotations are currently applied i can always rotate my model relative to the camera/world axis?

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• Graphics problems: noise-like glitch, and screen freezes in Ubuntu 13.04

  - by user207253

  I have recently upgraded to 13.04 and am using unity. I am experiencing two intermittent problems with the graphics: 1) All or part of the screen is taken up by 'noise', which lasts for about a second, see screenshot: 2) The launcher panel freezes. I can still move the mouse and the keyboard responds to function keys (I can dim the screen), but I cannot select anything. At the moment I recover by ctr-alt-f1, and restarting lightdm. My computer is a Samsung Chronos 7 laptop, model NP700Z5C, with Intel HD 4000 graphics The same problems occur with lightdm and gdm. I have attempted to install the intel drivers (as the screenshot hints) but these are not indicated as additional drivers in software & updates so I'm not sure whether they are in use. Any suggestions?

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• 13.04 gnome problem with drag and drop and text selection

  - by Laurent BERNABE

  I have an ubuntu 13.04 gnome 64 bits, but since a few days I am facing serious problem for doing simple drag an drop : in nautilus, in eclipse, in the browser. Also I can't manage to select text areas with the mouse (the only way I found is to double click on the first word, then expand selection with shift and arrows keys). I noticed that often, after having started a drag n drop, it is cancelled though I did not release the left mouse ! It is as if for each simple mouse clic : two was done ! My graphic card is an ati radeon hd 4330, and I had installed the default purposed driver. I don't know if I should give you results from some terminal commands, as I don't know which could be useful. Thanks in advance.

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• What are good JS libraries for game dev? (HTML5)

  - by acidzombie24

  If i decide to write a simple game both text and graphical (2d) what libs may i use? Assuming we are using a HTML5 compatible browser. The main things i can think of Rendering text on screen Animating sprites (using images/css) Input (capturing the arrow keys and getting relative mouse positions) Perhaps some preloading resource or dynamically loading resources and choosing order Sound (but i am unsure how important this will be to me at first). Perhaps with mixing and chaining sounds or looping forever until stop. Networking (low priority) to connect a user to another or to continuously GET data without multiple request (i know this exist but i dont know how easy it is to setup or use. But this isnt important to me. Its for the question).

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• How do you write a macro for a special character in LibreOffice?

  - by JasperKov

  Does anyone know how to write a macro for a special character? I know LibreOffice currently doesn't have a way to set a special character to a keyboard shortcut. However, I want to work around this with a macro. My plan is to create a macro for a special character then set a keyboard shortcut to that macro. Problem is I don't know the first thing about writing a macro. Any one have a template or something that works? I also know about the compose key, but I guess I am lazy and want to actually insert special characters with as few keys as possible.

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• SSH Lost Terminal Colors

  - by memecs

  I have to computers with exactly the same configuration (same PS1 etc...). When I ssh from A to B the terminal correctly displays PS1 and file type colors (i.e. blue directories, green executables etc.) But when I ssh from B to A PS1 is set to default and colors disappear. Furthermore, I created public keys to ssh without password from A to B and vice-versa. It works correctly from A to B but it doesn't work from B to A, again I repeated the exact same procedure on both pc: On Host A ssh-keygen ssh-copy-id -i ~/.ssh/id_rsa.pub address.to.host.B On Host B ssh-keygen ssh-copy-id -i ~/.ssh/id_rsa.pub address.to.host.A What could be the problem?

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• How to disable password prompt for default keyring?

  - by user110431

  I'm using Ubuntu 12.10 64Bit. How to disable ubuntu enter password for keyring default to unlock prompt ? Every time I open Chrome or ubuntu software center, this annoying window jump out. I have being searching online for a long time, most of the answers are like delete ~/.gnome2/keyring XX , but I don't have such directory or go to password and keys , disable some option, but this window is empty in my case, very strange , even I add a new password keyring, it is still empty. None of these methods works in my case. I will be very appreciate if you can help

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• G5 quad core will not boot from Ubuntu CD

  - by Steve Howard

  I have a PPC G5 Quad Core with Leopard on one hard drive and I want to install Ubuntu on a second hard drive. The second drive is installed and formatted as a Mac OS Extended (Journaled) drive. I have had no success booting from a CD or DVD with various PPC versions of Ubuntu using any of the suggested keys such as "C, Option, or anything else. Booting into open firmware doesn't work as the system can't find the \install\yaboot file. I am using various CD's burned as iso disk images, but none will boot. I have reset the PRAM, etc, to no avail. Beginning to get very frustrated. Can someone shed some light and provide me with a command line in open firmware that will work, or else direct me to a confirmed PPC bootable version of Ubuntu please? I'd appreciate any help you can provide....

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• How do I set Ctrl+Alt+something for Audacious global hokeys?

  - by Jim

  I want to set up global hotkeys in Audacious as follows. When I try and set these up it doesn't allow two mask keys. Ctrl+Alt+Insert for play. Ctrl+Alt+Home for pause. Ctrl+Alt+End for stop. Ctrl+Alt+Page Up for previous track. Ctrl+Alt+Page Down for next track. Ctrl+Alt+Up Arrow for volume up. Ctrl+Alt+Down for volume down. Ctrl+Alt+Left for skip back. Ctrl+Alt+Right for skip forward.

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• Gmail Now Searches Inside PDF, Word, and PowerPoint Attachments

  - by Jason Fitzpatrick

  Gmail has long had a robust system for searching within the subjects and bodies of your emails, now you can search inside select attachments–PDF, Word, and PowerPoint attachments are all searchable. Prior to this update, Gmail could search inside of HTML attachments but lacked more advanced attachment querying abilities. Now when you search your Gmail account you’ll see search results for not only the subject and body contents but also the contents of popular formats like PDF and Word documents. Don’t forget to take advantage of advanced search terms to speed up your query. If you know the information you need is in an attachment but can’t remember which email, include “has:attachment” in your search to only peek inside emails with attachments. [via GadgetBox] HTG Explains: How Antivirus Software Works HTG Explains: Why Deleted Files Can Be Recovered and How You Can Prevent It HTG Explains: What Are the Sys Rq, Scroll Lock, and Pause/Break Keys on My Keyboard?

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• HELP: I Broke Ubuntu By Uninstalling Compiz

  - by tSquirrel

  I'm still getting used to Linux, having come from Windows. I was receiving an error that "compiz" had crashed a few times so I figured I'd uninstall it. sudo apt-get remove compiz sudo apt-get install compiz I logged out then back in, after that, the GUI was totally gone and I have no idea how to get it back or what I need to do to restore the GUI to what it was before I killed poor Compiz. GUI was pretty much unmodified after a fresh install of 14.04 How can I fix it? I'm not even sure how to get to a terminal or anything. The login screen looks normal, but after logging in, it's a totally bare desktop with my backround and a few icons. No Dash, toolbar, etc. Hot Keys don't seem to work either (Super = Dash doesn't work, etc); although I did accidently open "Disk" UI. Not sure how. Please Help! Right now I'm working off my W7 dualboot.

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• Going from webforms, VS 2008, 3.5 framework to the "next level" based on my goals

  - by Caveatrob

  I've got a few choices to make as I develop some business websites that will run for the next two to three years. Currently I run ASP.NET 3.5 with Visual Studio 2008. I do my development rather crudely in WebForms because that's what I learned and am most productive with. I don't use Membership or any other frameworks in my projects. I use a simple class that maintains a few session keys for each user based on basic database tables for users and roles. (I have about 3,000 users). So far I've kept the data simple, using ADO.NET against SQL Server and a data access class (Circa 2000, I know) to build my sites. My questions are as follows: Under what conditions would I be better off moving to MVC? Under what conditions would I find LINQ and ORM a better way to go than standard ADO.NET? Would I benefit, in my current state of development, from going from Studio 2008 to Studio 2010?

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• Dead (nearly blank) laptop screen, secondary screen works - how to fix?

  - by LIttle Ancient Forest Kami

  My laptop screen is black while my secondary screen is fine. What I tried: setting brightness (Fn keys) - no effect, no change seen, also on secondary screen removing static electricity like suggested here - no effect restarting / charging battery, running on battery / "wall" power - no effect as well wait to see if warming it up helps - it doesn't follow official Ubuntu diagnostics - checking now... What I will try next: check last updates I've made IIRC I am running on nomodeset already, but can't recall how to verify this Further symptoms: can't see BIOS screen system loads and works fine, just screen has problems screen works (occasionally I could glimpse very dimly what was going on, but it was like with minimum brightness set - nearly non-distinguishable from just a black screen) Any ideas how to proceed best? What is most probable cause?

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