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  • The C++ Standard Template Library as a BDB Database (part 1)

    - by Gregory Burd
    If you've used C++ you undoubtedly have used the Standard Template Libraries. Designed for in-memory management of data and collections of data this is a core aspect of all C++ programs. Berkeley DB is a database library with a variety of APIs designed to ease development, one of those APIs extends and makes use of the STL for persistent, transactional data storage. dbstl is an STL standard compatible API for Berkeley DB. You can make use of Berkeley DB via this API as if you are using C++ STL classes, and still make full use of Berkeley DB features. Being an STL library backed by a database, there are some important and useful features that dbstl can provide, while the C++ STL library can't. The following are a few typical use cases to use the dbstl extensions to the C++ STL for data storage. When data exceeds available physical memory.Berkeley DB dbstl can vastly improve performance when managing a dataset which is larger than available memory. Performance suffers when the data can't reside in memory because the OS is forced to use virtual memory and swap pages of memory to disk. Switching to BDB's dbstl improves performance while allowing you to keep using STL containers. When you need concurrent access to C++ STL containers.Few existing C++ STL implementations support concurrent access (create/read/update/delete) within a container, at best you'll find support for accessing different containers of the same type concurrently. With the Berkeley DB dbstl implementation you can concurrently access your data from multiple threads or processes with confidence in the outcome. When your objects are your database.You want to have object persistence in your application, and store objects in a database, and use the objects across different runs of your application without having to translate them to/from SQL. The dbstl is capable of storing complicated objects, even those not located on a continous chunk of memory space, directly to disk without any unnecessary overhead. These are a few reasons why you should consider using Berkeley DB's C++ STL support for your embedded database application. In the next few blog posts I'll show you a few examples of this approach, it's easy to use and easy to learn.

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  • SQL SERVER – Auto Recovery File Settings in SSMS – SQL in Sixty Seconds #034 – Video

    - by pinaldave
    Every developer once in a while facing an unfortunate situation where they have not yet saved the work and their SQL Server Management Studio crashes. Well, you can minimize the loss by optimizing auto recovery settings. In this video we can see how to set the auto recovery settings. Go to SSMS >> Tools >> Options >> Environment >> AutoRecover There are two different settings: 1) Save AutoRecover Information Every Minutes This option will save the SQL Query file at certain interval. Set this option to minimum value possible to avoid loss. If you have set this value to 5, in the worst possible case, you can loose last 5 minutes of the work. 2) Keep AutoRecover Information for Days This option will preserve the AutoRecovery information for specified days. Though, I suggest in case of accident open SQL Server Management Studio right away and recover your file. Do not procrastinate this important task for future dates. Related Tips in SQL in Sixty Seconds: Manage Help Settings – CTRL + ALT + F1 SSMS 2012 Reset Keyboard Shortcuts to Default A Cool Trick – Restoring the Default SQL Server Management Studio – SSMS Color Coding SQL Server Management Studio Status Bar – SQL in Sixty Seconds #023 – Video Clear Drop Down List of Recent Connection From SQL Server Management Studio SELECT TOP Shortcut in SQL Server Management Studio (SSMS) What would you like to see in the next SQL in Sixty Seconds video? Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: Database, Pinal Dave, PostADay, SQL, SQL Authority, SQL in Sixty Seconds, SQL Query, SQL Scripts, SQL Server, SQL Server Management Studio, SQL Tips and Tricks, T SQL, Technology, Video Tagged: Excel

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  • Not Playing Nice Together

    - by David Douglass
    One of the things I’ve noticed is that two industry trends are not playing nice together, those trends being multi-core CPUs and massive hard drives.  It’s not a problem if you keep your cores busy with compute intensive work, but for software developers the beauty of multi-core CPUs (along with gobs of RAM and a 64 bit OS) is virtualization.  But when you have only one hard drive (who needs another when it holds 2 TB of data?) you wind up with a serious hard drive bottleneck.  A solid state drive would definitely help, and might even be a complete solution, but the cost is ridiculous.  Two TB of solid state storage will set you back around $7,000!  A spinning 2 TB drive is only $150. I see a couple of solutions for this.  One is the mainframe concept of near and far storage: put the stuff that will be heavily access on a solid state drive and the rest on a spinning drive.  Another solution is multiple spinning drives.  Instead of a single 2 TB drive, get four 500 GB drives.  In total, the four 500 GB drives will cost about $100 more than the single 2 TB drive.  You’ll need to be smart about what drive you place things on so that the load is spread evenly.  Another option, for better performance, would be four 10,000 RPM 300 GB drives, but that would cost about $800 more than the singe 2 TB drive and would deliver only 1.2 TB of space. All pricing based on Microcenter as of March 14, 2010.

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  • Bridging with aliased Ethernet card for Virtualizing with single Ethernet card

    - by user113505
    We are having a server with good CPU and RAM,so we are planning to do XEN virtualization on ubuntu 12.04 server to handle high traffic. The plan is to keep the host machine only to manage VMs(no NAT ing). A New public IP will be assigned to that VM,For that i think we need a Bridge to external network(Since my Machine has only single ethernet card aliased with 4 different Pub IP's) Is it possible to create a bridge using aliased IP single ethernet card aliased to 4 pub IPs Do we need an additional Ethernet card to do Bridging.Only have ssh access to the machine. Any suggestions will be appreciated.

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  • Summary of Oracle E-Business Suite Technology Webcasts and Training

    - by BillSawyer
    Last Updated: November 16, 2011We're glad to hear that you've been finding our ATG Live Webcast series to be useful.  If you missed a webcast, you can download the presentation materials and listen to the recordings below. We're collecting other learning-related materials right now.  We'll update this summary with pointers to new training resources on an ongoing basis.  ATG Live Webcast Replays All of the ATG Live Webcasts are hosted by the Oracle University Knowledge Center.  In order to access the replays, you will need a free Oracle.com account. You can register for an Oracle.com account here.If you are a first-time OUKC user, you will have to accept the Terms of Use. Sign-in with your Oracle.com account, or if you don't already have one, use the link provided on the sign-in screen to create an account. After signing in, accept the Terms of Use. Upon completion of these steps, you will be directed to the replay. You only need to accept the Terms of Use once. Your acceptance will be noted on your account for all future OUKC replays and event registrations. 1. E-Business Suite R12 Oracle Application Framework (OAF) Rich User Interface Enhancements (Presentation) Prabodh Ambale (Senior Manager, ATG Development) and Gustavo Jiminez (Development Manager, ATG Development) offer a comprehensive review of the latest user interface enhancements and updates to OA Framework in EBS 12.  The webcast provides a detailed look at new features designed to enhance usability, including new capabilities for personalization and extensions, and features that support the use of dashboards and web services. (January 2011) 2. E-Business Suite R12 Service Oriented Architectures (SOA) Using the E-Business Suite Adapter (Presentation, Viewlet) Neeraj Chauhan (Product Manager, ATG Development) reviews the Service Oriented Architecture (SOA) capabilities within E-Business Suite 12, focussing on using the E-Business Suite Adapter to integrate EBS with third-party applications via web services, and orchestrate services and distributed transactions across disparate applications. (February 2011) 3. Deploying Oracle VM Templates for Oracle E-Business Suite and Oracle PeopleSoft Enterprise Applications Ivo Dujmovic (Director, ATG Development) reviews the latest capabilities for using Oracle VM to deploy virtualized EBS database and application tier instances using prebuilt EBS templates, wire those virtualized instances together using the EBS virtualization kit, and take advantage of live migration of user sessions between failing application tier nodes.  (February 2011) 4. How to Reduce Total Cost of Ownership (TCO) Using Oracle E-Business Suite Management Packs (Presentation) Angelo Rosado (Product Manager, ATG Development) provides an overview of how EBS sysadmins can make their lives easier with the Management Packs for Oracle E-Business Suite Release 12.  This session highlights key features in Application Management Pack (AMP) and Application Change Management Pack) that can automate or streamline system configurations, monitor EBS performance and uptime, keep multiple EBS environments in sync with patches and configurations, and create patches for your own EBS customizations and apply them with Oracle's own patching tools.  (June 2011) 5. Upgrading E-Business Suite 11i Customizations to R12 (Presentation) Sara Woodhull (Principal Product Manager, ATG Development) provides an overview of how E-Business Suite developers can manage and upgrade existing EBS 11i customizations to R12.  Sara covers methods for comparing customizations between Release 11i and 12, managing common customization types, managing deprecated technologies, and more. (July 2011) 6. Tuning All Layers of E-Business Suite (Part 1 of 3) (Presentation) Lester Gutierrez, Senior Architect, and Deepak Bhatnagar, Senior Manager, from the E-Business Suite Application Performance team, lead Tuning All Layers of E-Business Suite (Part 1 of 3). This webcast provides an overview of how Oracle E-Business Suite system administrators, DBAs, developers, and implementers can improve E-Business Suite performance by following a performance tuning framework. Part 1 focuses on the performance triage approach, tuning applications modules, upgrade performance best practices, and tuning the database tier. This ATG Live Webcast is an expansion of the performance sessions at conferences that are perennial favourites with hardcore Apps DBAs. (August 2011)  7. Oracle E-Business Suite Directions: Deployment and System Administration (Presentation) Max Arderius, Manager Applications Technology Group, and Ivo Dujmovic, Director Applications Technology group, lead Oracle E-Business Suite Directions: Deployment and System Administration covering important changes in E-Business Suite R12.2. The changes discussed in this presentation include Oracle E-Business Suite architecture, installation, upgrade, WebLogic Server integration, online patching, and cloning. This webcast provides an overview of how Oracle E-Business Suite system administrators, DBAs, developers, and implementers can prepare themselves for these changes in R12.2 of Oracle E-Business Suite. (October 2011) Oracle University Courses For a general listing of all Oracle University courses related to E-Business Suite Technology, use the Oracle University E-Business Suite Technology course catalog link. Oracle University E-Business Suite Technology Course Catalog 1. R12 Oracle Applications System Administrator Fundamentals In this course students learn concepts and functions that are critical to the System Administrator role in implementing and managing the Oracle E-Business Suite. Topics covered include configuring security and user management, configuring flexfields, managing concurrent processing, and setting up other essential features such as profile options and printing. In addition, configuration and maintenance of an Oracle E-Business Suite through Oracle Applications Manager is discussed. Students also learn the fundamentals of Oracle Workflow including its setup. The System Administrator Fundamentals course provides the foundation needed to effectively control security and ensure smooth operations for an E-Business Suite installation. Demonstrations and hands-on practice reinforce the fundamental concepts of configuring an Oracle E-Business Suite, as well as handling day-to-day system administrator tasks. 2. R12.x Install/Patch/Maintain Oracle E-Business Suite This course will be applicable for customers who have implemented Oracle E-Business Suite Release 12 or Oracle E-Business Suite 12.1. This course explains how to go about installing and maintaining an Oracle E-Business Suite Release 12.x system. Both Standard and Express installation types are covered in detail. Maintenance topics include a detailed examination of the standard tools and utilities, and an in-depth look at patching an Oracle E-Business Suite system. After this course, students will be able to make informed decisions about how to install an Oracle E-Business Suite system that meets their specific requirements, and how to maintain the system afterwards. The extensive hands-on practices include performing an installation on a Linux system, navigating the file system to locate key files, running the standard maintenance tools and utilities, applying patches, and carrying out cloning operations. 3. R12.x Extend Oracle Applications: Building OA Framework Applications This class is a hands-on lab-intensive course that will keep the student busy and active for the duration of the course. While the course covers the fundamentals that support OA Framework-based applications, the course is really an exercise in J2EE programming. Over the duration of the course, the student will create an OA Framework-based application that selects, inserts, updates, and deletes data from a R12 Oracle Applications instance. 4. R12.x Extend Oracle Applications: Customizing OA Framework Applications This course has been significantly changed from the prior version to include additional deployments. The course doesn't teach the specifics of configuration of each product. That is left to the product-specific courses. What the course does cover is the general methods of building, personalizing, and extending OA Framework-based pages within the E-Business Suite. Additionally, the course covers the methods to deploy those types of customizations. The course doesn't include discussion of the Oracle Forms-based pages within the E-Business Suite. 5. R12.x Extend Oracle Applications: OA Framework Personalizations Personalization is the ability within an E-Business Suite instance to make changes to the look and behavior of OA Framework-based pages without programming. And, personalizations are likely to survive patches and upgrades, increasing their utility. This course will systematically walk you through the myriad of personalization options, starting with simple examples and increasing in complexity from there. 6. E-Business Suite: BI Publisher 5.6.3 for Developers Starting with the basic concepts, architecture, and underlying standards of Oracle XML Publisher, this course will lead a student through a progress of exercises building their expertise. By the end of the course, the student should be able to create Oracle XML Publisher RTF templates and data templates. They should also be able to deploy and maintain a BI Publisher report in an E-Business Suite instance. Students will also be introduced to Oracle BI Publisher Enterprise. 7. R12.x Implement Oracle Workflow This course provides an overview of the architecture and features of Oracle Workflow and the benefits of using Oracle Workflow in an e-business environment. You can learn how to design workflow processes to automate and streamline business processes, and how to define event subscriptions to perform processing triggered by business events. Students also learn how to respond to workflow notifications, how to administer and monitor workflow processes, and what setup steps are required for Oracle Workflow. Demonstrations and hands-on practice reinforce the fundamental concepts. 8. R12.x Oracle E-Business Suite Essentials for Implementers Oracle R12.1 E-Business Essentials for Implementers is a course that provides a functional foundation for any E-Business Suite Fundamentals course.

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  • What's wrong with cplusplus.com?

    - by Kerrek SB
    This is perhaps not a perfectly suitable forum for this question, but let me give it a shot, at the risk of being moved away. There are several references for the C++ standard library, including the invaluable ISO standard, MSDN, IBM, cppreference, and cplusplus. Personally, when writing C++ I need a reference that has quick random access, short load times and usage examples, and I've been finding cplusplus.com pretty useful. However, I've been hearing negative opinions about that website frequently here on SO, so I would like to get specific: What are the errors, misconceptions or bad pieces of advice given by cplusplus.com? What are the risks of using it to make coding decisions? Let me add this point: I want to be able to answer questions here on SO with accurate quotes of the standard, and thus I would like to post immediately-usable links, and cplusplus.com would have been my choice site were it not for this issue. Update: There have been many great responses, and I have seriously changed my view on cplusplus.com. I'd like to list a few choice results here; feel free to suggest more (and keep posting answers). As of June 29, 2011: Incorrect description of some algorithms (e.g. remove). Information about the behaviour of functions is sometimes incorrect (atoi), fails to mention special cases (strncpy), or omits vital information (iterator invalidation). Examples contain deprecated code (#include style). Inexact terminology is doing a disservice to learners and the general community ("STL", "compiler" vs "toolchain"). Incorrect and misleading description of the typeid keyword.

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  • MOSS 2007 SP2 - Error while provisioning SSP.

    - by Tim
    This is a brand new installation I am trying to provision the first SSP for MOSS and I keep getting the following error: (Provisioning failed: A transport-level error has occurred when receiving results from the server. (provider: TCP Provider, error: 0 - The semaphore timeout period has expired.)) The error also keeps appearing in the Application Event Log as event ID 7888. Google searches tell me its a connection between the Sharepoint server and the SQL server however, this is a production SQL Server which has several databases on it that do not experience any problems. These databases also include the Central Admin and Web Application databases for Sharepoint which are all working fine. Any guidance would be greatly appreciated. Thanks in advance.

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  • Safely adding SSH users to pfSense

    - by Goyuix
    I would like to add a user for myself to login via SSH to a pfSense box. I don't want to just blindly go through the adduser command and inadvertently break something / open a vulnerability somewhere though. Looking at the config page in the WebUI: I can't find where to add users or to specify their keys. What is the right way to add users that can use SSH? Can I also safely use the AllowUsers directive to keep tighter control of those allowed to login via SSH? Bonus: I would also like to disable root from being able to login via SSH. I can see the option PermitRootLogin in the /etc/ssh/sshd_config file, though I don't necessarily want to modify it directly as I could potentially lose those changes with updates/patches or changes through the WebUI. Thoughts?

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  • Why are 32-bit application pools more efficient in IIS? [closed]

    - by mhenry1384
    I've been running load tests with two different ASP.NET web applications in IIS. The tests are run with 5,10,25, and 250 user agents. Tested on a box with 8 GB RAM, Windows 7 Ultimate x64. The same box running both IIS and the load test project. I did many runs, and the data is very consistent. For every load, I see a lower "Avg. Page Time (sec)" and a lower "Avg. Response Time (sec)" if I have "Enable 32-bit Applications" set to True in the Application Pools. The difference gets more pronounced the higher the load. At very high loads, the web applications start to throw errors (503) if the application pools are 64-bit, but they can can keep up if set to 32-bit. Why are 32-bit app pools so much more efficient? Why isn't the default for application pools 32-bit?

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  • West Palm Beach Dev Group August 2012 Meeting Recap

    - by Sam Abraham
    As the saying goes, it’s better late than never. Such is the case with my overdue West Palm Beach Dev Group August 2012 meeting report. Our August meeting was full of both knowledge and adventure. It comes as no surprise that the knowledge was brought to us by our favorite DotNetNuke Technical Evangelist, Will Strohl. Will introduced and thoroughly presented the new social features in DNN 6.2. Unfortunately, our meeting date coincided with Hurricane Isaac having just passed us by. Aside from road closures and floods that kept public schools closed for two days, our meeting host, PC Professor, had to close the school the day of our meeting on a short notice due to flooding which we found out about at midnight on the day of the event.  This left us scrambling to find an available alternate meeting location close enough to our original venue. Cancelling the meeting was always an option, but we opted to keep it as the very last resort. Luckily, we were fortunate to find a meeting room at the Hampton Inn only a few minutes away from our original location. Having heard of our challenge, our event sponsor, Applied Innovations, stepped-in and covered the meeting room cost in addition to the food and beverages. We would like to thank our volunteers and sponsors who made that event a success: Jess Coburn, CEO and Cara Pluff, Director of Sales at Applied Innovations, Dave Noderer for suggesting the alternate venue and Venkat Subramanian for his hard work keeping our members informed of the venue change and for being our event photographer.   We look forward to seeing you at our upcoming meetings: -September 25th, 2012 with Jonas Stawski, Microsoft MVP -October 23rd, 2012 with our Microsoft Developer Evangelist, Joe “DevFish” Healy -Ending an exciting year will be our November 27th meeting with Dycom Industries’ Senior Software Developer, Tom Huynh.   All the best, --Sam

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  • GLSL compile error when accessing an array with compile-time constant index

    - by Benlitz
    I have this shader that works well on my computer (using an ATI HD 5700). I have a loop iterating between two constant values, which is, afaik, acceptable in a glsl shader. I write stuff in two arrays in this loop. #define NB_POINT_LIGHT 2 ... varying vec3 vVertToLight[NB_POINT_LIGHT]; varying vec3 vVertToLightWS[NB_POINT_LIGHT]; ... void main() { ... for (int i = 0; i < NB_POINT_LIGHT; ++i) { if (bPointLightUse[i]) { vVertToLight[i] = ConvertToTangentSpace(ShPointLightData[i].Position - WorldPos.xyz); vVertToLightWS[i] = ShPointLightData[i].Position - WorldPos.xyz; } } ... } I tried my program on another computer equipped with an nVidia GTX 560 Ti, and it fails to compile my shader. I get the following errors (94 and 95 are the lines of the two affectations) when calling glLinkProgram: Vertex info ----------- 0(94) : error C5025: lvalue in assignment too complex 0(95) : error C5025: lvalue in assignment too complex I think my code is valid, I don't know if this comes from a compiler bug, a conversion of my shader to another format from the compiler (nvidia looks to convert it to CG), or if I just missed something. I already tried to remove the if (bPointLightUse[i]) statement and I still have the same error. However, if I just write this: vVertToLight[0] = ConvertToTangentSpace(ShPointLightData[0].Position - WorldPos.xyz); vVertToLightWS[0] = ShPointLightData[0].Position - WorldPos.xyz; vVertToLight[1] = ConvertToTangentSpace(ShPointLightData[1].Position - WorldPos.xyz); vVertToLightWS[1] = ShPointLightData[1].Position - WorldPos.xyz; Then I don't have the error anymore, but it's really unconvenient so I would prefer to keep something loop-based. Here is the more detailled config that works: Vendor: ATI Technologies Inc. Renderer: ATI Radeon HD 5700 Series Version: 4.1.10750 Compatibility Profile Context Shading Language version: 4.10 And here is the more detailed config that doesn't work (should also be compatibility profile, although not indicated): Vendor: NVIDIA Corporation Renderer: GeForce GTX 560 Ti/PCI/SSE2 Version: 4.1.0 Shading Language version: 4.10 NVIDIA via Cg compiler

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  • Google Chrome Adds Two Ways to Hide Extension Icons

    - by The Geek
    If you’re using Google Chrome’s Dev channel, you can finally get rid of some of those extension icons, and there’s two different options for how to do it. Here’s how both of them work. If you’re wondering how to use the extensions when they are hidden, keep in mind that many extensions these days integrate into the context menu and can be used that way. Also, you’ll need to be using the Dev Channel release in order to get the first feature today Latest Features How-To Geek ETC The 50 Best Registry Hacks that Make Windows Better The How-To Geek Holiday Gift Guide (Geeky Stuff We Like) LCD? LED? Plasma? The How-To Geek Guide to HDTV Technology The How-To Geek Guide to Learning Photoshop, Part 8: Filters Improve Digital Photography by Calibrating Your Monitor Our Favorite Tech: What We’re Thankful For at How-To Geek Snowy Christmas House Personas Theme for Firefox The Mystic Underground Tunnel Wallpaper Ubunchu! – The Ubuntu Manga Available in Multiple Languages Breathe New Life into Your PlayStation 2 Peripherals by Hooking Them Up to Your Computer Move the Window Control Buttons to the Left Side in Windows Fun and Colorful Firefox Theme for Windows 7

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  • Can't upgrade Windows Server 2012 Essentials to Windows Server 2012 R2 Essentials

    - by Magnus
    So today was RTM of Windows Server 2012 R2 Essentials released. I immediately tried to do an in-place upgrade of an existing RTM 2012 Essentials to RTM 2012 R2 Essentials, but get: Windows Server 2012 Essentials cannot be upgraded to Windows Server 2012 R2 Essentials. You can choose to install a new copy of Windows Server 2012 R2 Essentials instead, but this is different from an upgrade, and does not keep your files, settings, and programs. You’ll need to reinstall any programs using the original installation discs or files. To save your files before installing Windows, back them up to an external location such as a CD, DVD, or external hard drive. To install a new copy of Windows Server 2012 R2 Essentials, click the Back button in the upper left-hand corner, and select “Custom (advanced)”. This seems a bit odd, is this really the case? I can't find anything in the official documentation stating that this upgrade isn't possible.

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  • Here’s How to Create a Blue Screen of Death in Any Color You Want

    - by The Geek
    Everybody that’s ever used Windows has at least heard of the Blue Screen of Death, even if they have been lucky enough to never encounter one themselves. Here’s how to make a BSOD in any color you want, using a couple of clicks. Note: following the technique in this article WILL crash your PC, every single time. Without fail… it’s kinda the point, after all. Isn’t the black and green BSOD a lot more geeky? Keep reading at your own risk Latest Features How-To Geek ETC HTG Projects: How to Create Your Own Custom Papercraft Toy How to Combine Rescue Disks to Create the Ultimate Windows Repair Disk What is Camera Raw, and Why Would a Professional Prefer it to JPG? The How-To Geek Guide to Audio Editing: The Basics How To Boot 10 Different Live CDs From 1 USB Flash Drive The 20 Best How-To Geek Linux Articles of 2010 Lord of the Rings Movie Parody Double Feature [Video] Turn a Webpage into an Asteroids-Styled Shooting Game in Opera Dolphin Browser Mini Leaves Beta; Sports New GUI, Easy Bookmarking, and More Updated Google Goggles Scans Faster; Solves Sudoku Puzzles Snowy Castle Retreat in the Mountains Wallpaper Fix TV Show Sorting Issues on iOS Devices

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  • Enjoy Playing Dozens of Classic Atari, Adventure, and Other Types of Games Directly in Your Browser

    - by Akemi Iwaya
    Would you love to play classic Atari games, journey once again with Bilbo Baggins in The Hobbit v1.0, or even try out WordStar 2.26? Then we have the perfect way to indulge in hours of browser-based fun to share with you. The Internet Archive has worked hard to put together a JavaScript port of the MESS computer software emulator and create an awesome online Historical Software Collection of classic games and software from yesteryear! When you visit the homepage, you will be able to scroll down through it for a ‘guided tour’ of the games and software currently available in the initial collection. This is what the individual homepages for each game or bit of software looks like. Keep in mind that none of the ‘Download item’ links we checked were working for us even though they are ‘shown’… Browse on over to the Internet Archive’s Historical Software Collection homepage to start having fun with all the classic games and programs. Historical Software Collection Homepage If you would like to visit the homepage for The Hobbit v1.0 directly, then use the link below. Play The Hobbit v1.0 [via The Verge]     

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  • Windows 2k3 server as a KVM client

    - by Peter NUnn
    Just wondering if anyone else has had issues installing Windows 2K3 server under KVM. I have tried a few times tonight and keep getting "not a supported platform" when the installation first boots. I've used i686, had acpi and apic off and on, given it 4GB ram, 200GB hard disk and it fails every time. I've done some hunting around, but can't find anything conclusive on google. It is listed as a supported client on the KVM site. Host is Ubuntu 10.04 64Bit, qemu-kmv hypervisor. Drivers, I'm not sure what your asking for there, but the disk is a standard (I believe) 32 bit Win2K3 server. I'm trying to install a bulk standard server install. I've done it with win2K8 no problems, but this 2k3 install is failing every time.

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  • Moving a .aspx site over to nginx, need to server .aspx as static files or rewrite

    - by Blankman
    I have a simple CMS site that was written in asp.net. My site looks like: www.example.com/ www.example.com/content/index.aspx www.example.com/content/get.aspx?id=234 (loads an article) It uses a database currently, but I am going to dump all the content to file, and then I can just pull the contents of the file based on the id=234 value. I want to move this site over to my ubuntu nginx server. What options do I have? Suggestions? I want to keep the URL structure exactly how it is now, how can I do this? Would this be any easier using apache?

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  • Don’t Sleep Keeps Your Windows Machine Awake

    - by ETC
    Don’t Sleep is an ultra lightweight and portable application that fills a niche need perfect: sometimes you need to temporarily keep your Windows machine from shutting down or power saving without making any permanent changes to your power profile. Fire up portable Don’t Sleep and tell it how long you want it to stop your computer from shutting down, going to sleep (standby/hibernation), and/or keeping the monitor on. At the end of the monitoring period you can have it turn itself off, stay on but stop blocking, or shut down your computer. It’s a great application for those times you need to alter how your computer handles hibernation mode, activating the screensaver, or other automated tasks without making any permanent changes to your power profile or other settings. Hit up the link below to read more and grab a copy. Don’t Sleep is freeware, Windows only. Don’t Sleep [via The Portable Freeware Collection] Latest Features How-To Geek ETC Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions How to Enable User-Specific Wireless Networks in Windows 7 Access the Options for Your Favorite Extensions Easier in Firefox Don’t Sleep Keeps Your Windows Machine Awake DropSpace Syncs Android Files to Dropbox Field of Poppies Wallpaper The History Of Operating Systems [Infographic] DriveSafe.ly Reads Your Text Messages Aloud

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  • CodePlex Daily Summary for Monday, April 26, 2010

    CodePlex Daily Summary for Monday, April 26, 2010New Projects.Net 4.0 WPF Twitter Client: A .Net 4.0 Twitter client application built in WPF using PrismAop 权限管理 license授权: 授权管理 Aop应用asp.mvc example with ajax: asp.mvc example with ajaxBojinx: Flex 4 Framework and Management utilities IOC Container Flexible and powerful event management and handling Create your own Processors and Annotat...Browser Gallese: Il Browser Gallese serve per andare in internet quasi SICURO e GratiseaaCaletti: 2. Semester project @ ÅrhusEnki Char 2 BIN: A program that converts characters to binary and vice versaFsGame: A wrapper over xna to improve its usage from F#jouba Images Converter: Convert piles of images to all key formats at one go! Make quick adjustments - resize, rotate. Get your pictures ready to be printed or uploaded to...MVC2 RESTful Library: A RESTFul Library using ASP.NET MVC 2.0My Schedule Tool: Schedule can be used to create simple or complex schedules for executing tens. NAntDefineTasks: NAnt Define Tasks allows you to define NAnt tasks in terms of other NAnt tasks, instead of having to write any C# code. PowerShell Admin Modules: PAM supplies a number of PowerShell modules satisfying the needs of Windows administrators. By pulling together functions for adminsitering files a...Search Youtube Direct: Another project By URPROB This is a sample application that take search videos from youtube. 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Requi...XAML Code Snippets addin for Visual Studio 2010: Release for VS 2010 RTM: Release built for Visual Studio 2010 RTMXP-More: 1.0: Release Notes Improved VM folder recognition Added About window Added input validation and exception handling If exist, vud and vpcbackupfile...Most Popular ProjectsRawrWBFS ManagerAJAX Control ToolkitSilverlight ToolkitMicrosoft SQL Server Product Samples: Databasepatterns & practices – Enterprise LibraryWindows Presentation Foundation (WPF)ASP.NETMicrosoft SQL Server Community & SamplesPHPExcelMost Active Projectspatterns & practices – Enterprise LibraryRawrGMap.NET - Great Maps for Windows Forms & PresentationBlogEngine.NETParticle Plot PivotNB_Store - Free DotNetNuke Ecommerce Catalog ModuleDotNetZip LibraryFarseer Physics EngineN2 CMSpatterns & practices: Composite WPF and Silverlight

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  • SQL SERVER – T-SQL Constructs – *= and += – SQL in Sixty Seconds #009 – Video

    - by pinaldave
    There were plenty of request for Vinod Kumar to come back with SQL in Sixty Seconds with T-SQL constructs after his very first well received construct video T-SQL Constructs – Declaration and Initialization – SQL in Sixty Seconds #003 – Video. Vinod finally comes up with this new episode where he demonstrates how dot net developer can write familiar syntax using T-SQL constructs. T-SQL has many enhancements which are less explored. In this quick video we learn how T-SQL Constructions works. We will explore Declaration and Initialization of T-SQL Constructions. We can indeed improve our efficiency using this kind of simple tricks. I strongly suggest that all of us should keep this kind of tricks in our toolbox. More on Errors: Declare and Assign Variable in Single Statement Declare Multiple Variables in One Statement I encourage you to submit your ideas for SQL in Sixty Seconds. We will try to accommodate as many as we can. If we like your idea we promise to share with you educational material. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: Database, Pinal Dave, PostADay, SQL, SQL Authority, SQL in Sixty Seconds, SQL Query, SQL Scripts, SQL Server, SQL Tips and Tricks, SQLServer, T SQL, Video

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  • Mixing different generations of ATi video cards

    - by middaparka
    I'm heading in the direction of a three monitor set up and hence suspect I need to go the dual video card route. At the moment, I've a Radeon X1900GT driving two 19" monitors which I'd like to keep and augment with something like a Radeon 5570 which would drive a 22" display. As such, I'm just wondering how Catalyst will cope with this configuration and whether there are any other issues that I'm likely to encounter. In terms of the obvious, my motherboard has two PCI-E slots and my power supply has two video card power connectors, so I'm hopefully covered from that side of things. Thanks in advance.

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  • Option Trading: Getting the most out of the event session options

    - by extended_events
    You can control different aspects of how an event session behaves by setting the event session options as part of the CREATE EVENT SESSION DDL. The default settings for the event session options are designed to handle most of the common event collection situations so I generally recommend that you just use the defaults. Like everything in the real world though, there are going to be a handful of “special cases” that require something different. This post focuses on identifying the special cases and the correct use of the options to accommodate those cases. There is a reason it’s called Default The default session options specify a total event buffer size of 4 MB with a 30 second latency. Translating this into human terms; this means that our default behavior is that the system will start processing events from the event buffer when we reach about 1.3 MB of events or after 30 seconds, which ever comes first. Aside: What’s up with the 1.3 MB, I thought you said the buffer was 4 MB?The Extended Events engine takes the total buffer size specified by MAX_MEMORY (4MB by default) and divides it into 3 equally sized buffers. This is done so that a session can be publishing events to one buffer while other buffers are being processed. There are always at least three buffers; how to get more than three is covered later. Using this configuration, the Extended Events engine can “keep up” with most event sessions on standard workloads. Why is this? The fact is that most events are small, really small; on the order of a couple hundred bytes. Even when you start considering events that carry dynamically sized data (eg. binary, text, etc.) or adding actions that collect additional data, the total size of the event is still likely to be pretty small. This means that each buffer can likely hold thousands of events before it has to be processed. When the event buffers are finally processed there is an economy of scale achieved since most targets support bulk processing of the events so they are processed at the buffer level rather than the individual event level. When all this is working together it’s more likely that a full buffer will be processed and put back into the ready queue before the remaining buffers (remember, there are at least three) are full. I know what you’re going to say: “My server is exceptional! My workload is so massive it defies categorization!” OK, maybe you weren’t going to say that exactly, but you were probably thinking it. The point is that there are situations that won’t be covered by the Default, but that’s a good place to start and this post assumes you’ve started there so that you have something to look at in order to determine if you do have a special case that needs different settings. So let’s get to the special cases… What event just fired?! How about now?! Now?! If you believe the commercial adage from Heinz Ketchup (Heinz Slow Good Ketchup ad on You Tube), some things are worth the wait. This is not a belief held by most DBAs, particularly DBAs who are looking for an answer to a troubleshooting question fast. If you’re one of these anxious DBAs, or maybe just a Program Manager doing a demo, then 30 seconds might be longer than you’re comfortable waiting. If you find yourself in this situation then consider changing the MAX_DISPATCH_LATENCY option for your event session. This option will force the event buffers to be processed based on your time schedule. This option only makes sense for the asynchronous targets since those are the ones where we allow events to build up in the event buffer – if you’re using one of the synchronous targets this option isn’t relevant. Avoid forgotten events by increasing your memory Have you ever had one of those days where you keep forgetting things? That can happen in Extended Events too; we call it dropped events. In order to optimizes for server performance and help ensure that the Extended Events doesn’t block the server if to drop events that can’t be published to a buffer because the buffer is full. You can determine if events are being dropped from a session by querying the dm_xe_sessions DMV and looking at the dropped_event_count field. Aside: Should you care if you’re dropping events?Maybe not – think about why you’re collecting data in the first place and whether you’re really going to miss a few dropped events. For example, if you’re collecting query duration stats over thousands of executions of a query it won’t make a huge difference to miss a couple executions. Use your best judgment. If you find that your session is dropping events it means that the event buffer is not large enough to handle the volume of events that are being published. There are two ways to address this problem. First, you could collect fewer events – examine you session to see if you are over collecting. Do you need all the actions you’ve specified? Could you apply a predicate to be more specific about when you fire the event? Assuming the session is defined correctly, the next option is to change the MAX_MEMORY option to a larger number. Picking the right event buffer size might take some trial and error, but a good place to start is with the number of dropped events compared to the number you’ve collected. Aside: There are three different behaviors for dropping events that you specify using the EVENT_RETENTION_MODE option. The default is to allow single event loss and you should stick with this setting since it is the best choice for keeping the impact on server performance low.You’ll be tempted to use the setting to not lose any events (NO_EVENT_LOSS) – resist this urge since it can result in blocking on the server. If you’re worried that you’re losing events you should be increasing your event buffer memory as described in this section. Some events are too big to fail A less common reason for dropping an event is when an event is so large that it can’t fit into the event buffer. Even though most events are going to be small, you might find a condition that occasionally generates a very large event. You can determine if your session is dropping large events by looking at the dm_xe_sessions DMV once again, this time check the largest_event_dropped_size. If this value is larger than the size of your event buffer [remember, the size of your event buffer, by default, is max_memory / 3] then you need a large event buffer. To specify a large event buffer you set the MAX_EVENT_SIZE option to a value large enough to fit the largest event dropped based on data from the DMV. When you set this option the Extended Events engine will create two buffers of this size to accommodate these large events. As an added bonus (no extra charge) the large event buffer will also be used to store normal events in the cases where the normal event buffers are all full and waiting to be processed. (Note: This is just a side-effect, not the intended use. If you’re dropping many normal events then you should increase your normal event buffer size.) Partitioning: moving your events to a sub-division Earlier I alluded to the fact that you can configure your event session to use more than the standard three event buffers – this is called partitioning and is controlled by the MEMORY_PARTITION_MODE option. The result of setting this option is fairly easy to explain, but knowing when to use it is a bit more art than science. First the science… You can configure partitioning in three ways: None, Per NUMA Node & Per CPU. This specifies the location where sets of event buffers are created with fairly obvious implication. There are rules we follow for sub-dividing the total memory (specified by MAX_MEMORY) between all the event buffers that are specific to the mode used: None: 3 buffers (fixed)Node: 3 * number_of_nodesCPU: 2.5 * number_of_cpus Here are some examples of what this means for different Node/CPU counts: Configuration None Node CPU 2 CPUs, 1 Node 3 buffers 3 buffers 5 buffers 6 CPUs, 2 Node 3 buffers 6 buffers 15 buffers 40 CPUs, 5 Nodes 3 buffers 15 buffers 100 buffers   Aside: Buffer size on multi-processor computersAs the number of Nodes or CPUs increases, the size of the event buffer gets smaller because the total memory is sub-divided into more pieces. The defaults will hold up to this for a while since each buffer set is holding events only from the Node or CPU that it is associated with, but at some point the buffers will get too small and you’ll either see events being dropped or you’ll get an error when you create your session because you’re below the minimum buffer size. Increase the MAX_MEMORY setting to an appropriate number for the configuration. The most likely reason to start partitioning is going to be related to performance. If you notice that running an event session is impacting the performance of your server beyond a reasonably expected level [Yes, there is a reasonably expected level of work required to collect events.] then partitioning might be an answer. Before you partition you might want to check a few other things: Is your event retention set to NO_EVENT_LOSS and causing blocking? (I told you not to do this.) Consider changing your event loss mode or increasing memory. Are you over collecting and causing more work than necessary? Consider adding predicates to events or removing unnecessary events and actions from your session. Are you writing the file target to the same slow disk that you use for TempDB and your other high activity databases? <kidding> <not really> It’s always worth considering the end to end picture – if you’re writing events to a file you can be impacted by I/O, network; all the usual stuff. Assuming you’ve ruled out the obvious (and not so obvious) issues, there are performance conditions that will be addressed by partitioning. For example, it’s possible to have a successful event session (eg. no dropped events) but still see a performance impact because you have many CPUs all attempting to write to the same free buffer and having to wait in line to finish their work. This is a case where partitioning would relieve the contention between the different CPUs and likely reduce the performance impact cause by the event session. There is no DMV you can check to find these conditions – sorry – that’s where the art comes in. This is  largely a matter of experimentation. On the bright side you probably won’t need to to worry about this level of detail all that often. The performance impact of Extended Events is significantly lower than what you may be used to with SQL Trace. You will likely only care about the impact if you are trying to set up a long running event session that will be part of your everyday workload – sessions used for short term troubleshooting will likely fall into the “reasonably expected impact” category. Hey buddy – I think you forgot something OK, there are two options I didn’t cover: STARTUP_STATE & TRACK_CAUSALITY. If you want your event sessions to start automatically when the server starts, set the STARTUP_STATE option to ON. (Now there is only one option I didn’t cover.) I’m going to leave causality for another post since it’s not really related to session behavior, it’s more about event analysis. - Mike Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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  • many partitions on a single filegroup?¿ does it make sense?

    - by river0
    Hi, I'm designing a datawarehouse solution and I'm a newbie in disk configuration issues, let me explain you. Our storage is spread over 6 storage enlosures having each of them 5 raid-1 disk arrays, and having 2 LUNS defined per each disk array, which makes a total 48 LUNS (this is following Microsoft fast track recommendations for datawarehouse architectures). I would like to partition my data, on other projects I have worked before, we always followed a 1 partition - 1 filegroup rule. On the microsoft fast track recomendations it is advised to create a filegroup and then for that filegroup a data file per each lun... but I pretend to have a week level partitioning... if I apply that rule I think that I'll get too many files and a complex layout. I'm thinking of just creating just one filegroup (with the 48 lun data files), but still create the partitions since I want to keep soem of the benefits of partitions like partition switching... Is this scenario not recommended? What would you suggest?

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  • Can't create VM with virt-install on Debian wheezy

    - by chrismacp
    Cant find any answers anywhere so here goes. I am trying to CREATE a new virtual machine using the virt-install command from a console on a Debian wheezy install. I keep getting the following output: Starting install... ERROR internal error process exited while connecting to monitor: char device redirected to /dev/pts/1 inet_listen_opts: bind(ipv4,127.0.0.1,5951): Cannot assign requested address inet_listen_opts: FAILED I assumed that the port (5951 in this case) was being used judging by the error message and other sites I visited for an answer, but the same error occurs whatever number I use for the port. I cant see that port being listened upon in netstat either. Anyone have any ideas what may be wrong?

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  • Open Multiple Sites Without Reopening the Menus in Firefox

    - by Asian Angel
    Are you frustrated with having to reopen your menus for each website that you need or want to view? Now you can keep those menus open while opening multiple websites with the Stay-Open Menu extension for Firefox. Stay-Open Menu in Action You can start using the extension as soon as you have installed it…simply access your favorite links in the “Bookmarks Menu, Bookmarks Toolbar, Awesome Bar, or History Menu” and middle click on the appropriate entries. Here you can see our browser opening the Productive Geek website and that the “Bookmarks Menu” is still open. As soon as you left click on a link or click outside the menus they will close normally like before. Note: Middle clicked links open in new tabs. The only time during our tests that a newly opened link “remained in the background” was for any links opened from the “Awesome Bar”. But as soon as the “Awesome Bar” was closed the new tabs automatically focused to the front. A link being opened from the “History Menu”…still open while the webpage is loading. Options The options are simple to sort through…enable or disable the additional “stay open” functions and enable automatic menu closing if desired. Conclusion If you get frustrated with having to reopen menus to access multiple webpages at one time then you might want to give this extension a try. Links Download the Stay-Open Menu extension (Mozilla Add-ons) Similar Articles Productive Geek Tips Make Firefox Use Multiple Rows of TabsDisable Web Site Window Resizing in FirefoxQuick Hits: 11 Firefox Tab How-TosPrevent Annoying Websites From Messing With the Right-Click Menu in FirefoxJatecblog Moves to How-To Geek Blogs (Linux Readers Should Subscribe) TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips Revo Uninstaller Pro Registry Mechanic 9 for Windows PC Tools Internet Security Suite 2010 PCmover Professional StockFox puts a Lightweight Stock Ticker in your Statusbar Explore Google Public Data Visually The Ultimate Excel Cheatsheet Convert the Quick Launch Bar into a Super Application Launcher Automate Tasks in Linux with Crontab Discover New Bundled Feeds in Google Reader

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