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  • How are people using virtualisation with SQL Server? Part 3

    - by GavinPayneUK
    Monitoring After CPU, memory and storage, monitoring is the fourth thing which changes massively according to Brent Ozar’s list when you move to virtualisation. Some of the performance counters we used to organise our lives around become meaningless and the performance of the host server is often over-looked when looking for problems. What’s encouraging here is that the majority of people are already looking beyond the performance of virtual server and at the performance of the host server. This...(read more)

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  • Creating a simple watermark effect using JQuery

    - by nikolaosk
    This another post that is focusing on how to use JQuery in ASP.Net applications. If you want to have a look at the other posts related to JQuery in my blog click here In this post I would like to show you how to create a simple watermark effect using JQuery.Watermark is a great way to provide users with informarion without using more space on the screen. Some basic level of knowledge of JQuery is assumed. Sadly, we canot cover the basics of JQuery in this post so here are a few resources for you...(read more)

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  • Chapter 7–Enforced Data Protection

    - by drsql
    As the book progresses, I find myself veering from the original stated outline quite a bit, because as I teach about this more (and I am teaching a daylong db design class in August at http://www.sqlsolstice.com/ … shameless plug, but it is on topic :) I start to find that a given order works better. Originally I had slated myself to talk more about modeling here for three chapters, then get back to the more implementation topics to finish out the book, but now I am going to keep plugging through...(read more)

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  • What can I do with urllib?

    - by Aerovistae
    I grasp that it can fetch internet resources, but I'm not really fully appreciating what that means. I was doing the challenges at pythonchallenge.com, and I got past the one that requires urllib to fetch the page and read the source, but I don't see how this is useful quite yet. And examples are kind of lacking in diversity. What else can it do, or how can I use this to my advantage? (Besides building a web browser...)

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  • How are people using virtualisation with SQL Server? Part 1

    - by GavinPayneUK
    Allow me to share with you the results of a survey I did about how people are using virtualisation with SQL Server. This is a three part series of articles sharing the results. In December 2010 I did a 10 question survey to see how people were using virtualisation with SQL Server and if they were changing their deployment and management processes as a result. 21 people responded from at least Europe, the US and Asia Pac. It’s not a massive number but it was large enough to see some trends and some...(read more)

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  • Set and Verify the Retention Value for Change Data Capture

    - by AllenMWhite
    Last summer I set up Change Data Capture for a client to track changes to their application database to apply those changes to their data warehouse. The client had some issues a short while back and felt they needed to increase the retention period from the default 3 days to 5 days. I ran this query to make that change: sp_cdc_change_job @job_type='cleanup', @retention=7200 The value 7200 represents the number of minutes in a period of 5 days. All was well, but they recently asked how they can verify...(read more)

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  • What OpenGL version(s) to learn and/or use?

    - by zuko
    So, I'm new to OpenGL... I have general knowledge of game programming but little practical experience. I've been looking into various articles and books and trying to dive into OpenGL, but I've found the various versions and old vs new way of doing things confusing. I guess my first questions is does anyone know some figures about percentages of gamers that can run each version of OpenGL. What's the market share like? 2.x, 3.x, 4.x... I looked into the requirements for Half Life 2 since I know Valve updated it with OpenGL to run on Mac and I know they usually try to hit a very wide user-base, and they say a minimum of GeForce 8 Series. I looked at the 8800 GT on Nvidia's website and it listed support for OpenGL 2.1. Which, maybe I'm wrong, sounds ancient to me since there's already 4.x. I looked up a driver for 8800GT and it says it supports 4.2! A bit of a discrepancy there, lol. I've also read things like XP only supports up to a certain version, or OS X only supports 3.2, or all kinds of other things. Overall, I'm just confused as to how much support there is for various versions and what version to learn/use. I'm also looking for learning resources. My search results thus far have pointed me to the OpenGL SuperBible. The 4th edition has great reviews on Amazon, but it teaches 2.1. The 5th edition teaches 3.3 and there are a couple things in the reviews that mention the 4th edition is better and that the 5th edition doesn't properly teach the new features or something? Basically, even within learning material I'm seeing discrepancies and I just don't even know where to start. From what I understand, 3.x started a whole new way of doing things and I've read from various articles and reviews that you want to "stay away from deprecated features like glBegin(), glEnd()" yet a lot of books and tutorials I've seen use that method. I've seen people saying that, basically, the new way of doing stuff is more complicated yet the old way is bad . Just a side note, personally, I know I still have a lot to learn beforehand, but I'm interested in tessellation; so I guess that factors into it as well, because, as far as I understand that's only in 4.x? [just btw, my desktop supports 4.2]

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  • Supermicro motherboards and systems

    - by jchang
    I used to buy SuperMicro exclusively for my own lab. SuperMicro always had a deep lineup of motherboards with almost every conceivable variation. In particular, they had the maximum memory and IO configuration that is desired for database servers. But from around 2006, I became too lazy to source the additional components necessary to complete the system, and switched to Dell PowerEdge Tower servers. Now, I may reconsider as neither Dell or HP are offering the right combination of PCI-E slots. Nor...(read more)

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  • What are good technical questions to ask to determine the analytical skill of a programmer?

    - by ENT
    I am a non-technical recruiter and I want to lay out some initial interview questions, one of which is to determine the analytic skill of a person. We will soon launch our hiring process for programmers and we are mapping out what would be the best questions. I have read quite a few posts here that suggested on how to interview programmers but I haven't come across on what technical question to ask that non-technical recruiters can easily comprehend if the answer is good or bad.

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  • Database Management: Metadata is more important than you think!

    Whether it&#146;s data warehousing, MDM or business intelligence, metadata is added to the project plan, is downgraded and eventually dropped from the project plan. The impacts of not including metadata and metadata management as part of the project have far-reaching and costly repercussions throughout the organization. Read on to learn more...

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  • Live from the #summit13 keynote : 2013-10-16

    - by AaronBertrand
    Early morning start here in Charlotte. I'm going to try and keep this post updated as I have new information from the keynote to share, so refresh often! 8:24 AM Bill Graziano takes the stage and welcomes us to the 15th PASS Summit. He mentions that PASS delivered over 700,000 hours of technical training in the previous fiscal year, and shows a Power BI Power Map video talking about all of the SQL Saturday accomplishments in the last few years. She introduces Amy Lewis, who wins this year's PASSion...(read more)

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  • Semantic algorithms

    - by Mythago
    I have a more theoretical than practical question. I'll start with an example - when I get an email and open it on my iPad, there is a feature, which recognizes the timestamp from the text and offers me to create an event in the calendar. Simply told, I want to know theoretically how it's done - I believe it's some kind of semantic parsing, and I would like if someone could point me to some resources, where I can read more about this.

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  • Using URL Rewrite with QDIG

    - by The Official Microsoft IIS Site
    One of the applications that I like to use on my websites it the Quick Digital Image Gallery (QDIG) , which is a simple PHP-based image gallery that has just enough features to be really useful without a lot of work on my part to get it working. (Simple is always better - ;-] .) Here's a screenshot of QDIG in action with some Bing photos: (Click to enlarge photo.) The trouble is, QDIG creates some really heinous query string lines; see the URL line in the following screenshot for an example:...(read more)

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  • LAG function – practical use and comparison to old syntax

    - by Michael Zilberstein
    Recently I had to analyze huge trace – 46GB of trc files. Looping over files I loaded them into trace table using fn_trace_gettable function and filters I could use in order to filter out irrelevant data. I ended up with 6.5 million rows table, total of 7.4GB in size. It contained RowNum column which was defined as identity, primary key, clustered. One of the first things I detected was that although time difference between first and last events in the trace was 10 hours, total duration of all sql...(read more)

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  • How to find the longitude and latitude of a location

    - by simonsabin
    Just found this really simple but very useful site to give you the latitude and longitude of a location http://www.getlatlon.com/ The great thing is that you can select from a map and it also gives you the WKT you can use to generate you geography in SQL Server. This is the location for SQLBits VI...(read more)

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  • Tip: Regularily reset SharePoint Timer Service during development

    - by panjkov
    There is an interesting issue that can occur on development machines during development of SharePoint solutions that contain Site Templates or list templates in certain scenarios when site creation is not done manually, but using some kind of Custom Timer Job. The issue manifests in a way that even after retraction of old WSP and deployment of new WSP, even after performing IISRESET, sites created with new WSP don't have applied latest changes which are part of new WSP, but instead use (contain)...(read more)

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  • Reflecting on week long Training with SQLSkills

    - by NeilHambly
    Time for a quick reflection on my 5-day's training with SQLSkills, they have 4 weeks in their immersion training program, this was week 1: Internals & Performance held @ large Heathrow Hotel http://www.sqlskills.com/T_ImmersionInternalsDesign.asp So was the Course worth the Time and Money... undoubtedly, I believe we had a large number of the people there also self-funding along with the lucky corporate sponsored ones. It was akin to doing say the "London marathon" in that you know...(read more)

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  • How to start with PowerPivot for Excel

    - by Marco Russo (SQLBI)
    Now that Office 2010 has been released, many people will start looking for resources to start learning PowerPivot. Of course, the book I’m writing will be helpful when it will be published (September 2010), but you can also start with some online content on Microsoft sites. First of all, this is the web site dedicated to PowerPivot: http://www.powerpivot.com/ It contains several videos and demos and it’s also possible to use a Virtual Lab without installing Office 2010 on your PC. Then, there is...(read more)

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  • &quot;CLR Enabled&quot; is not required to use CLR built-ins

    - by AaronBertrand
    Books Online articles referencing built-in CLR functions (such as FORMAT() ) have a remark similar to the following: "FORMAT relies on the presence of .the .NET Framework Common Language Runtime (CLR)." A lot of people seem to interpret this as meaning: "You must enable the sp_configure option 'CLR enabled' in order to use FORMAT()." Some then go on and suggest you run code similar to the following before you play with these functions: EXEC sp_configure 'show advanced options' , 1 ; GO RECONFIGURE...(read more)

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  • Using a ListView with Grouping to create a WPF Report Engine

    Printing a ListView using the WPF printing features. It gives us the flexibility to use all of the WPF controls and we can implement custom Views to print data.  read moreBy Siyamand AyubiDid you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Google Chrome Loses ASP.NET Sessions - Need FavIcon

    - by nannette
    I had programmed a brilliant web page in ASP.NET 4.0 and lo and behold, this one page lost its sessions in Google Chrome. I could run it locally in debug and could not reproduce the issues in Chrome. Didn't happen in IE or Firefox, only Chrome on the published server. I finally found in a forum where someone mentioned that Google Chrome looks for favicons and if it doesn't find one it will throw a 302 redirect and kill the session. http://stackoverflow.com/questions/8247842/session-data-lost-in-chrome...(read more)

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  • LAG function – practical use and comparison to old syntax

    - by Michael Zilberstein
    Recently I had to analyze huge trace – 46GB of trc files. Looping over files I loaded them into trace table using fn_trace_gettable function and filters I could use in order to filter out irrelevant data. I ended up with 6.5 million rows table, total of 7.4GB in size. It contained RowNum column which was defined as identity, primary key, clustered. One of the first things I detected was that although time difference between first and last events in the trace was 10 hours, total duration of all sql...(read more)

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  • New Interoperability Solutions for SQL Server 2012

    - by The Official Microsoft IIS Site
    I am excited to share some great news about how we are opening up the SQL Server data platform even further with expanded interoperability support through new tools that allow customers to modernize their infrastructure while maximizing existing investments and extending virtually any data anywhere. The SQL Server team today introduced several tools that enable interoperability with SQL Server 2012. These tools help developers to build secure, highly available and high performance applications for...(read more)

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