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  • How to Force Graphics Options in PC Games with NVIDIA, AMD, or Intel Graphics

    - by Chris Hoffman
    PC games usually have built-in graphics options you can change. But you’re not limited to the options built into games — the graphics control panels bundled with graphics drivers allow you to tweak options from outside PC games. For example, these tools allow you to force-enabling antialiasing to make old games look better, even if they don’t normally support it. You can also reduce graphics quality to get more performance on slow hardware. If You Don’t See These Options If you don’t have the NVIDIA Control Panel, AMD Catalyst Control Center, or Intel Graphics and Media Control Panel installed, you may need to install the appropriate graphics driver package for your hardware from the hardware manufacturer’s website. The drivers provided via Windows Update don’t include additional software like the NVIDIA Control Panel or AMD Catalyst Control Center. Drivers provided via Windows Update are also more out of date. If you’re playing PC games, you’ll want to have the latest graphics drivers installed on your system. NVIDIA Control Panel The NVIDIA Control Panel allows you to change these options if your computer has NVIDIA graphics hardware. To launch it, right-click your desktop background and select NVIDIA Control Panel. You can also find this tool by performing a Start menu (or Start screen) search for NVIDIA Control Panel or by right-clicking the NVIDIA icon in your system tray and selecting Open NVIDIA Control Panel. To quickly set a system-wide preference, you could use the Adjust image settings with preview option. For example, if you have old hardware that struggles to play the games you want to play, you may want to select “Use my preference emphasizing” and move the slider all the way to “Performance.” This trades graphics quality for an increased frame rate. By default, the “Use the advanced 3D image settings” option is selected. You can select Manage 3D settings and change advanced settings for all programs on your computer or just for specific games. NVIDIA keeps a database of the optimal settings for various games, but you’re free to tweak individual settings here. Just mouse-over an option for an explanation of what it does. If you have a laptop with NVIDIA Optimus technology — that is, both NVIDIA and Intel graphics — this is the same place you can choose which applications will use the NVIDIA hardware and which will use the Intel hardware. AMD Catalyst Control Center AMD’s Catalyst Control Center allows you to change these options on AMD graphics hardware. To open it, right-click your desktop background and select Catalyst Control Center. You can also right-click the Catalyst icon in your system tray and select Catalyst Control Center or perform a Start menu (or Start screen) search for Catalyst Control Center. Click the Gaming category at the left side of the Catalyst Control Center window and select 3D Application Settings to access the graphics settings you can change. The System Settings tab allows you to configure these options globally, for all games. Mouse over any option to see an explanation of what it does. You can also set per-application 3D settings and tweak your settings on a per-game basis. Click the Add option and browse to a game’s .exe file to change its options. Intel Graphics and Media Control Panel Intel integrated graphics is nowhere near as powerful as dedicated graphics hardware from NVIDIA and AMD, but it’s improving and comes included with most computers. Intel doesn’t provide anywhere near as many options in its graphics control panel, but you can still tweak some common settings. To open the Intel graphics control panel, locate the Intel graphics icon in your system tray, right-click it, and select Graphics Properties. You can also right-click the desktop and select Graphics Properties. Select either Basic Mode or Advanced Mode. When the Intel Graphics and Media Control Panel appears, select the 3D option. You’ll be able to set your Performance or Quality setting by moving the slider around or click the Custom Settings check box and customize your Anisotropic Filtering and Vertical Sync preference. Different Intel graphics hardware may have different options here. We also wouldn’t be surprised to see more advanced options appear in the future if Intel is serious about competing in the PC graphics market, as they say they are. These options are primarily useful to PC gamers, so don’t worry about them — or bother downloading updated graphics drivers — if you’re not a PC gamer and don’t use any intensive 3D applications on your computer. Image Credit: Dave Dugdale on Flickr     

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  • Ogre3D, OGRE_NEW gives editor errors

    - by automaticoo
    Hello Game Developers, I am trying to get more experienced with OGRE3D and I am following the basic tutorials on the website. All the code samples compile just fine. The first time I encountered a "error" was in Basic Tutorurial 3. The code line where visual studio says something is not right is : mTerrainGroup = OGRE_NEW Ogre::TerrainGroup(mSceneMgr, Ogre::Terrain::ALIGN_X_Z, 513, 12000.0f); Visual studio compiles this line but it shows a ugly red line beneath it and on mouse hover it says "#define OGRE_NEW new (FILE, LINE, FUNCTION) Error: no instance of overloaded 'operator new' matches the argument list" or if I mouse hover over Ogre::TerrainGlobalOptions() it says "Error: expected a type specifier". I searched on google but couldn't find my answer. I got about a year c++ experience but that was mainly with the WinSock libarys. Thanks in advance.

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  • [News] Fluent.NET 1.0 disponible

    Fluent.NET est un framework Open Source proposant une surcouche des API .NET sous la forme d'interfaces fluentes. Le proc?d? s'appuie sur les extensions de m?thodes et facilite la lecture de code : "English speakers read from left to right, not from the outside in. So why are we writing code that way? Fluent.NET aims to correct this problem by adding extension methods where helper methods are typically used.". Le principe tend ? se g?n?raliser ces derni?res ann?es, notamment dans les langages de requ?tes objets.

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  • Working with FusionCharts using ASP.NET

    Nowadays, users are constantly looking for more intuitive user interfaces. Because of this, it is vital to develop ASP.NET applications with diagrams such as Charts. FusionCharts enables you to plug-in several charts from a wide range of sources easily with a small amount of code. In this article, Anand examines the usage of FusionCharts in a step-by-step manner using three different scenarios. He initially examines the plotting of charts using the data from an XML file and also demonstrates the same using the values entered by users. Finally, Anand delves deep into the database connectivity aspects using an Access 2010 database with the help of relevant source code examples and screenshots.

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  • Silverlight Cream for April 18, 2010 -- #840

    - by Dave Campbell
    In this Issue: CrocusGirl, Giorgetti Alessandro(-2-), smartyP, Pete Brown, David Poll, David Anson, and Bill Reiss. Shoutouts: Yasser Makram has a post up discussing Human Centered ALM with Telerik TeamPulse and Team Foundation Server. I saw this demo'd at DevConnnections and it definitely deserves a look. Shawn Wildermuth posted his materials from DevConnections all on one post: Back from DevConnections with SourceCode Shawn Wildermuth also posted an Updated RIA Services + MVVM Example Laurent Bugnion announced a Small change in MVVM Light Toolkit templates for Blend 4 RC Laurent Bugnion also announced Crowdsourcing MVVM Light Toolkit support The Expression Blend and Design Blog announced Expression Blend 4 Release Candidate Available! Dan Wahlin posted Slides and Code from my Silverlight MVVM Talk at DevConnections From SilverlightCream.com: Windows Phone 7 Design Notes – Part#1: Metro Resources CrocusGirl has blogged about WP7 and the Metro design concept. She has a bunch of resources up and information about Metro and the design methodology. Stay tuned for Part 2. Silverlight, M-V-VM ... and IoC - part 1 Giorgetti Alessandro has part 1 of a multi-parter up on IoC and MVVM for LOB apps in Silverlight ... a pretty quick into to MVVM. Silverlight, M-V-VM … and IoC – part 2 Giorgetti Alessandro also posted part 2 of his series, and this one digs deeper into the code and discusses what goes into the view and the model. Using the Facebook Developer Toolkit With Windows Phone 7 smartyP has a post addressing using the Facebook Developer toolkit with WP7... it took some hacking, and he explains it, and provides it for download. Silverlight and WPF Tip: Fitting items in a ListBox Having trouble fitting items into a Listbox in Silverlight or WPF without getting horizontal scrollbars? Pete Brown has a solution for you in 4 steps. Making printing easier in Silverlight 4 David Poll has a great detailed post up about printing in SL4, taking it to building a higher-level API that allows printing of collections... all demos and source included. Detailed information about the Silverlight Toolkit's new stacked series support David Anson details the improvements to Data Visualization in the Toolkit release from last week. Space Rocks game step 9: the asteroid sprite Bill Reiss has his latest game episode up and this time he's putting asteroid sprites in play. No placement, movement, or collisions yet, but it's a beginning. And, he's updated all his code to Silverlight 4. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • Ubuntu 10.10 Netbook Remix on Asus Eee PC 701 4G - boot process hangs up

    - by Andrew
    I've got an old Eee PC 701 4G with the following specifications: 512 MB RAM 4GB SSD drive SM223AC 8GB SD card extension Screen resolution: 800 x 480 BIOS Revision 1101 (05/16/2008) EC Firmware version: EPC-079 Windows XP SP3 works fine on it, but I decided to switch my OS to Ubuntu. I have downloaded an Ubuntu 10.10 Netbook Remix ISO and wrote it to my FAT32 SD card using Universal-USB-Installer-1.8.3.3, as described on ubuntu.com During standard load from the SD card the boot process hangs up with black screen. If I'll press F6 while preloading Ubuntu, it sucessfully displays the boot menu, selecting language and showing 2 main commands: "Run ubuntu from USB drive" and "Insall Ubuntu". Selecting either of these commands leading to the same result - after some background work the main loading indicator is displayed ("Ubuntu" text with dotted progress bar under it), and it's progressing forever without any effect. Is Ubuntu 10.10 compatible with my Eee PC at all? How to boot it correctly?

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  • Obsolete Computer Parts as Art [DIY]

    - by Jason Fitzpatrick
    If you’re like most geeks, you’ve got a box of aging computer equipment you just haven’t got around to hauling to your city’s haz-mat drop off site. This simple tutorial turns cast off circuit boards into wall art. While the author of the tutorial opted to use motherboards, you could easily use smaller frames/mats and use old expansion boards too. The process involves inexpensive IKEA frames with mats, popping the I/O ports off the boards to make them thinner, and drilling small mount holes in the backer board to mount the boards in place. Hit up the link below for more details. Motherboard Art [via IKEAHackers] How to Use an Xbox 360 Controller On Your Windows PC Download the Official How-To Geek Trivia App for Windows 8 How to Banish Duplicate Photos with VisiPic

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  • Dynamically switching the theme in Orchard

    - by Bertrand Le Roy
    It may sound a little puzzling at first, but in Orchard CMS, more than one theme can be active at any given time. The reason for that is that we have an extensibility point that allows a module (or a theme) to participate in the choice of the theme to use, for each request. The motivation for building the theme engine this way was to enable developers to switch themes based on arbitrary criteria, such as user preferences or the user agent (if you want to serve a mobile theme for phones for example). The choice is made between the active themes, which is why there is a difference between the default theme and the active themes. In order to have a say in the choice of the theme, all you have to do is implement IThemeSelector. That interface is quite simple as it only has one method, GetTheme, that takes the current RequestContext and returns a ThemeSelectorResult or null if the implementation of the interface does not want to participate in the current request (we'll see an example in a moment). ThemeSelectorResult itself is just a ThemeName string property and an integer Priority. We're using a priority so that an arbitrary number of implementations of IThemeSelector can contribute to the choice of a theme. If you look for existing implementations of the interface in Orchard, you'll find four: AdminThemeSelector: selects the TheAdmin theme with a very high priority (100) if the current request is for a page that is part of the admin. Otherwise, null is returned, which enables other implementations to choose the theme. PreviewThemeSelector: selects the preview theme if there is one, with a high priority (90), and null otherwise. This enables administrators to view the site under a different theme while everybody else continues to see the current default theme. SiteThemeSelector: this is the implementation that is doing what you expect most of the time, which is to get the current theme from site settings and set it with a priority of –5. SafeModeThemeSelector: this is the fallback implementation, which should almost never win. It sets the theme as the safe mode theme, which has no style and just uses the default templates for everything. The priority is very low (-100). While this extensibility mechanism is great to have, I wanted to bring that level of choice into the hands of the site administrator rather than just developers. In order to achieve that, I built the Vandelay Theme Picker module. The module provides administration UI to create rules for theme selection. It provides its own extensibility point (the IThemeSelectionRule interface) and one implementation of a rule: UserAgentThemeSelectorRule. This rule gets the current user agent from the context and tries to match it with a regular expression that the administrator can configure in the admin UI. You can for example configure a rule with a regular expression that matches IE6 and serve a different subtheme where the stylesheet has been tweaked for such an antique browser. Another possible configuration is to detect mobile devices from their agent string and serve the mobile theme. All those operations can be done with this module entirely from the admin UI, without writing a line of code. The module also offers the administrator the opportunity to inject a link into the front-end in a specific zone and with a specific position that enables the user to switch to the default theme if he wishes to. This is especially useful for sites that use a mobile theme but still want to allow users to use the full desktop site. While the module is nice and flexible, it may be overkill. On my own personal blog, I have only two active themes: the desktop theme and the mobile theme. I'm fine with going into code to change the criteria on which to switch the theme, so I'm not using my own Theme Picker module. Instead, I made the mobile theme a theme with code (in other words there is a csproj file in the theme). The project includes a single C# file, my MobileThemeSelector for which the code is the following: public class MobileThemeSelector : IThemeSelector { private static readonly Regex _Msie678 = new Regex(@"^Mozilla\/4\.0 \(compatible; MSIE [678]" + @"\.0; Windows NT \d\.\d(.*)\)$", RegexOptions.IgnoreCase); private ThemeSelectorResult _requestCache; private bool _requestCached; public ThemeSelectorResult GetTheme(RequestContext context) { if (_requestCached) return _requestCache; _requestCached = true; var userAgent = context.HttpContext.Request.UserAgent; if (userAgent.IndexOf("phone", StringComparison.OrdinalIgnoreCase) != -1 || _Msie678.IsMatch(userAgent) || userAgent.IndexOf("windows live writer", StringComparison.OrdinalIgnoreCase) != -1) { _requestCache = new ThemeSelectorResult { Priority = 10, ThemeName = "VuLuMobile" }; } return _requestCache; } } .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: consolas, "Courier New", courier, monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: 0em; } .csharpcode .rem { color: #008000; } .csharpcode .kwrd { color: #0000ff; } .csharpcode .str { color: #006080; } .csharpcode .op { color: #0000c0; } .csharpcode .preproc { color: #cc6633; } .csharpcode .asp { background-color: #ffff00; } .csharpcode .html { color: #800000; } .csharpcode .attr { color: #ff0000; } .csharpcode .alt { background-color: #f4f4f4; width: 100%; margin: 0em; } .csharpcode .lnum { color: #606060; } The theme selector selects the current theme for Internet Explorer versions 6 to 8, for phones, and for Windows Live Writer (so that the theme that is used when I write posts is as simple as possible). What's interesting here is that it's the theme that selects itself here, based on its own criteria. This should give you a good panorama of what's possible in terms of dynamic theme selection in Orchard. I hope you find some fun uses for it. As usual, I can't wait to see what you're going to come up with…

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  • Good baseline size for an A* Search grid?

    - by Jo-Herman Haugholt
    I'm working on a grid based game/prototype with a continuous open map, and are currently considering what size to make each segment. I've seen some articles mention different sizes, but most of them is really old, so I'm unsure how well they map to the various platforms and performance demands common today. As for the project, it's a hybrid of 2D and 3D, but for path-finding purposes, the majority of searches would be approximately 2D. From a graphics perspective, the minimum segment size would be 64x64 in the XZ plane to minimize loaded segments while ensuring full screen coverage. I figure pathfinding would be an important indicator of maximum practical size.

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  • Floppy Autoloader Automatically Archives Thousands of Floppies

    - by Jason Fitzpatrick
    The thought of hand loading 5,000 floppy disks is more than enough to drive an inventive geek to create a better alternative–like this automated floppy disk archiver. DwellerTunes has several crates of floppy disks that contain old Amiga software and related material, personal programming projects, personal documents, and more. Realistically there’s no way he could devout time to hand loading and archiving thousands upon thousands of floppy disks so he built a automatic loader that accepts stacks of several hundred floppy disks at time. The loader not only loads and archives the floppy disks, but it photographs the label of each disk so that each archive includes a picture of the original label. Watch the video above to see it in action and then hit up the link below for more information. Converting All My Amiga Disks [DwellerTunes via Make] How to Own Your Own Website (Even If You Can’t Build One) Pt 2 How to Own Your Own Website (Even If You Can’t Build One) Pt 1 What’s the Difference Between Sleep and Hibernate in Windows?

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  • Searching for the Perfect Developer&rsquo;s Laptop.

    - by mbcrump
    I have been in the market for a new computer for several months. I set out with a budget of around $1200. I knew up front that the machine would be used for developing applications and maybe some light gaming. I kept switching between buying a laptop or a desktop but the laptop won because: With a Laptop, I can carry it everywhere and with a desktop I can’t. I searched for about 2 weeks and narrowed it down to a list of must-have’s : i7 Processor (I wasn’t going to settle for an i5 or AMD. I wanted a true Quad-core machine, not 2 dual-core fused together). 15.6” monitor SSD 128GB or Larger. – It’s almost 2011 and I don’t want an old standard HDD in this machine. 8GB of DDR3 Ram. – The more the better, right? 1GB Video Card (Prefer NVidia) – I might want to play games with this. HDMI Port – Almost a standard on new Machines. This would be used when I am on the road and want to stream Netflix to the HDTV in the Hotel room. Webcam Built-in – This would be to video chat with the wife and kids if I am on the road. 6-Cell Battery. – I’ve read that an i7 in a laptop really kills the battery. A 6-cell or 9-cell is even better. That is a pretty long list for a budget of around $1200. I searched around the internet and could not buy this machine prebuilt for under $1200. That was even with coupons and my company’s 10% Dell discount. The only way that I would get a machine like this was to buy a prebuilt and replace parts. I chose the  Lenovo Y560 on Newegg to start as my base. Below is a top-down picture of it.   Part 1: The Hardware The Specs for this machine: Color :  GrayOperating System : Windows 7 Home Premium 64-bitCPU Type : Intel Core i7-740QM(1.73GHz)Screen : 15.6" WXGAMemory Size : 4GB DDR3Hard Disk : 500GBOptical Drive : DVD±R/RWGraphics Card : ATI Mobility Radeon HD 5730Video Memory : 1GBCommunication : Gigabit LAN and WLANCard slot : 1 x Express Card/34Battery Life : Up to 3.5 hoursDimensions : 15.20" x 10.00" x 0.80" - 1.30"Weight : 5.95 lbs. This computer met most of the requirements above except that it didn’t come with an SSD or have 8GB of DDR3 Memory. So, I needed to start shopping except this time for an SSD. I asked around on twitter and other hardware forums and everyone pointed me to the Crucial C300 SSD. After checking prices of the drive, it was going to cost an extra $275 bucks and I was going from a spacious 500GB drive to 128GB. After watching some of the SSD videos on YouTube I started feeling better. Below is a pic of the Crucial C300 SSD. The second thing that I needed to upgrade was the RAM. It came with 4GB of DDR3 RAM, but it was slow. I decided to buy the Crucial 8GB (4GB x 2) Kit from Newegg. This RAM cost an extra $120 and had a CAS Latency of 7. In the end this machine delivered everything that I wanted and it cost around $1300. You are probably saying, well your budget was $1200. I have spare parts that I’m planning on selling on eBay or Anandtech.  =) If you are interested then shoot me an email and I will give you a great deal mbcrump[at]gmail[dot]com. 500GB Laptop 7200RPM HDD 4GB of DDR3 RAM (2GB x 2) faceVision HD 720p Camera – Unopened In the end my Windows Experience Rating of the SSD was 7.7 and the CPU 7.1. The max that you can get is a 7.9. Part 2: The Software I’m very lucky that I get a lot of software for free. When choosing a laptop, the OS really doesn’t matter because I would never keep the bloatware pre-installed or Windows 7 Home Premium on my main development machine. Matter of fact, as soon as I got the laptop, I immediately took out the old HDD without booting into it. After I got the SSD into the machine, I installed Windows 7 Ultimate 64-Bit. The BIOS was out of date, so I updated that to the latest version and started downloading drivers off of Lenovo’s site. I had to download the Wireless Networking Drivers to a USB-Key before I could get my machine on my wireless network. I also discovered that if the date on your computer is off then you cannot join the Windows 7 Homegroup until you fix it. I’m aware that most people like peeking into what programs other software developers use and I went ahead and listed my “essentials” of a fresh build. I am a big Silverlight guy, so naturally some of the software listed below is specific to Silverlight. You should also check out my master list of Tools and Utilities for the .NET Developer. See a killer app that I’m missing? Feel free to leave it in the comments below. My Software Essential List. CPU-Z Dropbox Everything Search Tool Expression Encoder Update Expression Studio 4 Ultimate Foxit Reader Google Chrome Infragistics NetAdvantage Ultimate Edition Keepass Microsoft Office Professional Plus 2010 Microsoft Security Essentials 2  Mindscape Silverlight Elements Notepad 2 (with shell extension) Precode Code Snippet Manager RealVNC Reflector ReSharper v5.1.1753.4 Silverlight 4 Toolkit Silverlight Spy Snagit 10 SyncFusion Reporting Controls for Silverlight Telerik Silverlight RadControls TweetDeck Virtual Clone Drive Visual Studio 2010 Feature Pack 2 Visual Studio 2010 Ultimate VS KB2403277 Update to get Feature Pack 2 to work. Windows 7 Ultimate 64-Bit Windows Live Essentials 2011 Windows Live Writer Backup. Windows Phone Development Tools That is pretty much it, I have a new laptop and am happy with the purchase. If you have any questions then feel free to leave a comment below.  Subscribe to my feed

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  • New release of the Windows Azure SDK and Tools (March CTP)

    - by kaleidoscope
    From now on, you only have to download the Windows Azure Tools for Microsoft Visual Studio and the SDK will be installed as part of that package. What’s new in Windows Azure SDK Support for developing Managed Full Trust applications. It also provides support for Native Code via PInvokes and spawning native processes. Support for developing FastCGI applications, including support for rewrite rules via URL Rewrite Module. Improved support for the integration of development storage with Visual Studio, including enhanced performance and support for SQL Server (only local instance). What’s new in Windows Azure Tools for Visual Studio Combined installer includes the Windows Azure SDK Addressed top customer bugs. Native Code Debugging. Update Notification of future releases. FastCGI template http://blogs.msdn.com/jnak/archive/2009/03/18/now-available-march-ctp-of-the-windows-azure-tools-and-sdk.aspx   Ritesh, D

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  • How to nest transactions nicely - &quot;begin transaction&quot; vs &quot;save transaction&quot; and SQL Server

    - by Brian Biales
    Do you write stored procedures that might be used by others?  And those others may or may not have already started a transaction?  And your SP does several things, but if any of them fail, you have to undo them all and return with a code indicating it failed? Well, I have written such code, and it wasn’t working right until I finally figured out how to handle the case when we are already in a transaction, as well as the case where the caller did not start a transaction.  When a problem occurred, my “ROLLBACK TRANSACTION” would roll back not just my nested transaction, but the caller’s transaction as well.  So when I tested the procedure stand-alone, it seemed to work fine, but when others used it, it would cause a problem if it had to rollback.  When something went wrong in my procedure, their entire transaction was rolled back.  This was not appreciated. Now, I knew one could "nest" transactions, but the technical documentation was very confusing.  And I still have not found the approach below documented anywhere.  So here is a very brief description of how I got it to work, I hope you find this helpful. My example is a stored procedure that must figure out on its own if the caller has started a transaction or not.  This can be done in SQL Server by checking the @@TRANCOUNT value.  If no BEGIN TRANSACTION has occurred yet, this will have a value of 0.  Any number greater than zero means that a transaction is in progress.  If there is no current transaction, my SP begins a transaction. But if a transaction is already in progress, my SP uses SAVE TRANSACTION and gives it a name.  SAVE TRANSACTION creates a “save point”.  Note that creating a save point has no effect on @@TRANCOUNT.  So my SP starts with something like this: DECLARE @startingTranCount int SET @startingTranCount = @@TRANCOUNT IF @startingTranCount > 0 SAVE TRANSACTION mySavePointName ELSE BEGIN TRANSACTION -- … Then, when ready to commit the changes, you only need to commit if we started the transaction ourselves: IF @startingTranCount = 0 COMMIT TRANSACTION And finally, to roll back just your changes so far: -- Roll back changes... IF @startingTranCount > 0 ROLLBACK TRANSACTION MySavePointName ELSE ROLLBACK TRANSACTION Here is some code that you can try that will demonstrate how the save points work inside a transaction. This sample code creates a temporary table, then executes selects and updates, documenting what is going on, then deletes the temporary table. if running in SQL Management Studio, set Query Results to: Text for best readability of the results. -- Create a temporary table to test with, we'll drop it at the end. CREATE TABLE #ATable( [Column_A] [varchar](5) NULL ) ON [PRIMARY] GO SET NOCOUNT ON -- Ensure just one row - delete all rows, add one DELETE #ATable -- Insert just one row INSERT INTO #ATable VALUES('000') SELECT 'Before TRANSACTION starts, value in table is: ' AS Note, * FROM #ATable SELECT @@trancount AS CurrentTrancount --insert into a values ('abc') UPDATE #ATable SET Column_A = 'abc' SELECT 'UPDATED without a TRANSACTION, value in table is: ' AS Note, * FROM #ATable BEGIN TRANSACTION SELECT 'BEGIN TRANSACTION, trancount is now ' AS Note, @@TRANCOUNT AS TranCount UPDATE #ATable SET Column_A = '123' SELECT 'Row updated inside TRANSACTION, value in table is: ' AS Note, * FROM #ATable SAVE TRANSACTION MySavepoint SELECT 'Save point MySavepoint created, transaction count now:' as Note, @@TRANCOUNT AS TranCount UPDATE #ATable SET Column_A = '456' SELECT 'Updated after MySavepoint created, value in table is: ' AS Note, * FROM #ATable SAVE TRANSACTION point2 SELECT 'Save point point2 created, transaction count now:' as Note, @@TRANCOUNT AS TranCount UPDATE #ATable SET Column_A = '789' SELECT 'Updated after point2 savepoint created, value in table is: ' AS Note, * FROM #ATable ROLLBACK TRANSACTION point2 SELECT 'Just rolled back savepoint "point2", value in table is: ' AS Note, * FROM #ATable ROLLBACK TRANSACTION MySavepoint SELECT 'Just rolled back savepoint "MySavepoint", value in table is: ' AS Note, * FROM #ATable SELECT 'Both save points were rolled back, transaction count still:' as Note, @@TRANCOUNT AS TranCount ROLLBACK TRANSACTION SELECT 'Just rolled back the entire transaction..., value in table is: ' AS Note, * FROM #ATable DROP TABLE #ATable The output should look like this: Note                                           Column_A ---------------------------------------------- -------- Before TRANSACTION starts, value in table is:  000 CurrentTrancount ---------------- 0 Note                                               Column_A -------------------------------------------------- -------- UPDATED without a TRANSACTION, value in table is:  abc Note                                 TranCount ------------------------------------ ----------- BEGIN TRANSACTION, trancount is now  1 Note                                                Column_A --------------------------------------------------- -------- Row updated inside TRANSACTION, value in table is:  123 Note                                                   TranCount ------------------------------------------------------ ----------- Save point MySavepoint created, transaction count now: 1 Note                                                   Column_A ------------------------------------------------------ -------- Updated after MySavepoint created, value in table is:  456 Note                                              TranCount ------------------------------------------------- ----------- Save point point2 created, transaction count now: 1 Note                                                        Column_A ----------------------------------------------------------- -------- Updated after point2 savepoint created, value in table is:  789 Note                                                     Column_A -------------------------------------------------------- -------- Just rolled back savepoint "point2", value in table is:  456 Note                                                          Column_A ------------------------------------------------------------- -------- Just rolled back savepoint "MySavepoint", value in table is:  123 Note                                                        TranCount ----------------------------------------------------------- ----------- Both save points were rolled back, transaction count still: 1 Note                                                            Column_A --------------------------------------------------------------- -------- Just rolled back the entire transaction..., value in table is:  abc

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  • Thunderbird 16.0.1 filling disk space

    - by Kris
    I'm on Ubuntu 12.04 with Thunderbird 16.0.1 and Kernel 3.6.0-030600rc4-generic. I used Thunderbird for quite a while and never had any problems with it. But now it seems to fill up my disk space very fast: watch -n 1 df -h . so Ubuntu started giving out warnings. First I removed some files but not much later it had filled up around 600 MB. It eats around 50 MB/min while I just download 10 emails or so via IMAP. This behaviour is new and seems to be some kind of bug. I don't want to delete my old mails, so what else could I do?

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  • How do I ask google not to index certain parts of my page?

    - by Gavin Mannion
    I was searching for an old review on my site today and I noticed that Google is indexing the headline text in my latest article list on every page that it appears, obviously I guess. The problem is if I search for my Dragon's Lair review specifically to my site like this http://www.google.co.za/search?sugexp=chrome,mod=9&sourceid=chrome&ie=UTF-8&q=site%3Alazygamer.net+dragons+lair+review Then it returns a ton of pages that aren't appropriate as they aren't related to the review at all. The reason why I care is that I have a second Dragon's Lair review that was posted years ago and now I can't find it. Is there a way to hint to google that certain text isn't relevant to the actual content on the page? is it a terrible idea?

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  • Can't get heroku site updated on custom domain

    - by Joseph Brown
    I have hosayif.com registered at GoDaddy, and I set up a cname for rails.hosayif.com to point to my heroku app at sharp-meadow-6535.herokuapp.com. I set this up with a previous app, and it worked. I made a new app, renamed the old one, and then renamed the new one so that it is sharp-meadow-6535.herokuapp.com in hopes of not having to change anything at GoDaddy. In theory, rails.hosayif.com and sharp-meadow-6535.herokuapp.com should be the same site, but they are not. Can someone tell me what I am doing wrong?

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  • Byte Size Tips: How to Change Your Computer Name on Mac OS X

    - by The Geek
    When you’re sharing stuff back and forth between your computers, the names of those computers actually start to matter — in my case, I upgraded to a new MacBook Air because my old one has a dead screen and is out of warranty, so I made it into a desktop with an external monitor. That’s when I got an error that my two Macs had the same name. Oops! Luckily it’s an extremely easy fix. Just open up System Preferences, go to Sharing, and change the computer name. Done! You can also change it from the Terminal using this command, though obviously it’s much simpler to just change it under Sharing.     

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  • Fullscreen Still Has Taskbars at Top and Bottom

    - by MugenDraco
    I'm using Ubuntu 12.04 and running the Gnome Classic desktop. Whenever I go fullscreen, the taskbars at the top and bottom which hold the menus, notifications, etc. are still visible. This only happens when I'm in a browser or trying to play a game. I've tried it in both Firefox and Chromium, and get the same result no matter which one I use. Videos I watch using VLC however do not have the bars at the top and bottom. I found only one post about this in the questions, but there were no answers that worked for me. I wasn't sure if commenting my problem into the 5 month old post would move it to the top where it could be seen, so I made this one.

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  • Objective-C Moving UIView along a curved path

    - by PruitIgoe
    I'm not sure if I am approaching this the correct way. In my app, when a user touches the screen I capture the point and create an arc from a fixed point to that touch point. I then want to move a UIView along that arc. Here's my code: ViewController.m //method to "shoot" object - KIP_Projectile creates the arc, KIP_Character creates the object I want to move along the arc ... //get arc for trajectory KIP_Projectile* vThisProjectile = [[KIP_Projectile alloc] initWithFrame:CGRectMake(51.0, fatElvisCenterPoint-30.0, touchPoint.x, 60.0)]; vThisProjectile.backgroundColor = [UIColor clearColor]; [self.view addSubview:vThisProjectile]; ... KIP_Character* thisChar = [[KIP_Character alloc] initWithFrame:CGRectMake(51, objCenterPoint-5, imgThisChar.size.width, imgThisChar.size.height)]; thisChar.backgroundColor = [UIColor clearColor]; thisChar.charID = charID; thisChar.charType = 2; thisChar.strCharType = @"Projectile"; thisChar.imgMyImage = imgThisChar; thisChar.myArc = vThisProjectile; [thisChar buildImage]; [thisChar traceArc]; in KIP_Projectile I build the arc using this code: - (CGMutablePathRef) createArcPathFromBottomOfRect : (CGRect) rect : (CGFloat) arcHeight { CGRect arcRect = CGRectMake(rect.origin.x, rect.origin.y + rect.size.height - arcHeight, rect.size.width, arcHeight); CGFloat arcRadius = (arcRect.size.height/2) + (pow(arcRect.size.width, 2) / (8*arcRect.size.height)); CGPoint arcCenter = CGPointMake(arcRect.origin.x + arcRect.size.width/2, arcRect.origin.y + arcRadius); CGFloat angle = acos(arcRect.size.width / (2*arcRadius)); CGFloat startAngle = radians(180) + angle; CGFloat endAngle = radians(360) - angle; CGMutablePathRef path = CGPathCreateMutable(); CGPathAddArc(path, NULL, arcCenter.x, arcCenter.y, arcRadius, startAngle, endAngle, 0); return path; } - (void)drawRect:(CGRect)rect { CGContextRef currentContext = UIGraphicsGetCurrentContext(); _myArcPath = [self createArcPathFromBottomOfRect:self.bounds:30.0]; CGContextSetLineWidth(currentContext, 1); CGFloat red[4] = {1.0f, 0.0f, 0.0f, 1.0f}; CGContextSetStrokeColor(currentContext, red); CGContextAddPath(currentContext, _myArcPath); CGContextStrokePath(currentContext); } Works fine. The arc is displayed with a red stroke on the screen. In KIP_Character, which has been passed it's relevant arc, I am using this code but getting no results. - (void) traceArc { CGMutablePathRef myArc = _myArc.myArcPath; // Set up path movement CAKeyframeAnimation *pathAnimation = [CAKeyframeAnimation animationWithKeyPath:@"position"]; pathAnimation.calculationMode = kCAAnimationPaced; pathAnimation.fillMode = kCAFillModeForwards; pathAnimation.removedOnCompletion = NO; pathAnimation.path = myArc; CGPathRelease(myArc); [self.layer addAnimation:pathAnimation forKey:@"savingAnimation"]; } Any help here would be appreciated.

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  • Installing on a mac without a CD burner or USB boot

    - by Rafael
    I am new to Ubuntu, i installed it in an old PC and now it works GREAT!!! My Macbook pro has a glitch and refuses to run Mac OS X, so i installed Windows, and i really want Ubuntu since Windows is not for me. Here's the problem(s) my drive only READS DVDs, if i put a blank in it, it will ignore it and my mac has the updated EFI, so no booting from a USB connected device! I also tried Wubi, but then i cant make it a FULL partition and get rid of windows!!! Thank you!

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  • Apt-get 403 Forbidden, but accessible in the browser

    - by labarna
    I've noticed that running apt-get update recently has resulted in quite a few ppa's returning "403 Forbidden". In and effort to clean them up I had a look: W: Failed to fetch http://ppa.launchpad.net/gnome3-team/gnome3/ubuntu/dists/raring/main/binary-amd64/Packages 403 Forbidden W: Failed to fetch http://ppa.launchpad.net/gnome3-team/gnome3/ubuntu/dists/raring/main/binary-i386/Packages 403 Forbidden E: Some index files failed to download. They have been ignored, or old ones used instead. The strange things is, if I copy these URLs into my browser I can access the files just fine. Why would apt-get report "403 Forbidden" if they're still accessible? I tried re-adding the ppa through add-apt-repository which downloads the signing key again, and it still reported "403 Forbidden".

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  • Timeout Considerations for Solicit Response – Part 2

    - by Michael Stephenson
    To follow up a previous article about timeouts and how they can affect your application I have extended the sample we were using to include WCF. I will execute some test scenarios and discuss the results. The sample We begin by consuming exactly the same web service which is sitting on a remote server. This time I have created a .net 3.5 application which will consume the web service using the basichttp binding. To show you the configuration for the consumption of this web service please refer to the below diagram. You can see like before we also have the connectionManagement element in the configuration file. I have added a WCF service reference (also using the asynchronous proxy methods) and have the below code sample in the application which will asynchronously make the web service calls and handle the responses on a call back method invoked by a delegate. If you have read the previous article you will notice that the code is almost the same.   Sample 1 – WCF with Default Timeouts In this test I set about recreating the same scenario as previous where we would run the test but this time using WCF as the messaging component. For the first test I would use the default configuration settings which WCF had setup when we added a reference to the web service. The timeout values for this test are: closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00"   The Test We simulated 21 calls to the web service Test Results The client-side trace is as follows:   The server-side trace is as follows: Some observations on the results are as follows: The timeouts happened quicker than in the previous tests because some calls were timing out before they attempted to connect to the server The first few calls that timed out did actually connect to the server and did execute successfully on the server   Test 2 – Increase Open Connection Timeout & Send Timeout In this test I wanted to increase both the send and open timeout values to try and give everything a chance to go through. The timeout values for this test are: closeTimeout="00:01:00" openTimeout="00:10:00" receiveTimeout="00:10:00" sendTimeout="00:10:00"   The Test We simulated 21 calls to the web service   Test Results The client side trace for this test was   The server-side trace for this test was: Some observations on this test are: This test proved if the timeouts are high enough everything will just go through   Test 3 – Increase just the Send Timeout In this test we wanted to increase just the send timeout. The timeout values for this test are: closeTimeout="00:01:00" openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:10:00"   The Test We simulated 21 calls to the web service   Test Results The below is the client side trace The below is the server side trace Some observations on this test are: In this test from both the client and server perspective everything ran through fine The open connection timeout did not seem to have any effect   Test 4 – Increase Just the Open Connection Timeout In this test I wanted to validate the change to the open connection setting by increasing just this on its own. The timeout values for this test are: closeTimeout="00:01:00" openTimeout="00:10:00" receiveTimeout="00:10:00" sendTimeout="00:01:00"   The Test We simulated 21 calls to the web service Test Results The client side trace was The server side trace was Some observations on this test are: In this test you can see that the open connection which relates to opening the channel timeout increase was not the thing which stopped the calls timing out It's the send of data which is timing out On the server you can see that the successful few calls were fine but there were also a few calls which hit the server but timed out on the client You can see that not all calls hit the server which was one of the problems with the WSE and ASMX options   Test 5 – Smaller Increase in Send Timeout In this test I wanted to make a smaller increase to the send timeout than previous just to prove that it was the key setting which was controlling what was timing out. The timeout values for this test are: openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:02:30"   The Test We simulated 21 calls to the web service Test Results The client side trace was   The server side trace was Some observations on this test are: You can see that most of the calls got through fine On the client you can see that call 20 timed out but still hit the server and executed fine.   Summary At this point between the two articles we have quite a lot of scenarios showing the different way the timeout setting have played into our original performance issue, and now we can see how WCF could offer an improved way to handle the problem. To summarise the differences in the timeout properties for the three technology stacks: ASMX The timeout value only applies to the execution time of your request on the server. The timeout does not consider how long your code might be waiting client side to get a connection. WSE The timeout value includes both the time to obtain a connection and also the time to execute the request. A timeout will not be thrown as an error until an attempt to connect to the server is made. This means a 40 second timeout setting may not throw the error until 60 seconds when the connection to the server is made. If the connection to the server is made you should be aware that your message will be processed and you should design for this. WCF The WCF send timeout is the setting most equivalent to the settings we were looking at previously. Like WSE this setting the counter includes the time to get a connection as well as the time to execute on a server. Unlike WSE and ASMX an error will be thrown as soon as the send timeout from making your call from user code has elapsed regardless of whether we are waiting for a connection or have an open connection to the server. This may to a user appear to have better latency in getting an error response compared to WSE or ASMX.

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  • Student wanting to go to a developer conference

    - by Jamie Keeling
    I'm a 21 year old student in my last year of University, and I am looking for information about developer conferences. I live in Derby (United Kingdom) and there's not (As far as I know) many conferences local to where I live. I do have a car at my disposal so travelling shouldn't be a problem. I was hoping somebody could recommend the best way to go about finding and attending a conference, which one is probably the best to go to and what kind of things I'd need to know and take beforehand. I've done a couple of Google searches and searched SO itself but nothing specific to my needs was found. Note: I'm primarily a C# developer using WPF and WinForms but I'm open to pretty much anything.

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  • SPRoleAssignment Crazy Caviats

    - by MOSSLover
    I’m not sure if this bug exists on any other environment, but here are a few issues I ran into when trying to use SPRoleAssignment and SPGroup: When trying to use Web.Groups[“GroupName”] it basically told me the group did not exist, so I had to change the code to use Web.SiteGroups[“GroupName”]. I could not add the Role Assignment to the Web and run a Web.Update() without adding an additional Web.AllowUnsafeUpdates= true; , however on my virtual machine I could do a Web.Update() without the extra piece of code.  I kept receiving an error in my browser stating that I should hit the back button and update my permissions. So after fixing those two issues I was able to copy the permissions from a page item into a Site for my migration.  Hopefully, one of you can learn from my error messages if you have any issues in the future. Technorati Tags: SPRoleAssignment,MOSS,SPGroup

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  • How do I enable WebGL sites with Firefox 4 Beta?

    - by Greg Grossmeier
    I am using Firefox 4.0b12 from the Mozilla Team's "Firefox Next" PPA. My about:config has webgl.enabled_for_all_sites set to true as most guides recommend that and also say that is all that is needed. It doesn't work for me. The main Mozilla Demos page ("Web O' Wonder") gives me: Unfortunately, while your browser supports WebGL, your video drivers may be too old. To view any of the demos tagged with WebGL, try updating your drivers at NVIDIA, AMD, and Intel. You can still watch screencasts of the WebGL demos or fully experience our other non-WebGL demos without updating. This Mozilla demo gives me "No WebGL context found."

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