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SQLAuthority News – Featuring in Call Me Maybe The Developer Way – Pluralsight Video

- by pinaldave

Is SQL boring? Not at all. SQL is fun – one has to know how to maximize the fun while working with SQL Server. Earlier I was invited to participate in the video Pluralsight. I am sure all of you know that I have authored 3 SQL Server Learning courses with Pluralsight – 1) SQL Server Q and A 2) SQL Server Performance Tuning and 3) SQL Server Indexing. Before I say anything I suggest all of you watch the following video. Make sure that you pay special attention after 0 minute and 36 seconds. What I can say about this. I am just fortunate to be part of the history in the making. There are more than 53 super cool celebrities in this video. In this just over 3 minute video there are so many story lines. I must congratulate director Megan and creative assistant Mari for excellent work. There are so many fun moments in this small video. Let me list my top five moments. @John_Papa ‘s dance at second 14 @julielerman playing with cute doggy The RACE between @josepheames and @bruthafish – the end is hilarious The black belt moment by @boedie @stwool relaxing on something strange! Well, this is indeed a great short film. This video demonstrates how cool is the culture of Pluralsight and how fun loving they are. A good organization provides an environment to its employees and partners to have maximum fun while they all become part of the success story. Hats off to Aaron Skonnard for producing this fun loving video. Well, after listening to this song for multiple times, I decided to give a call to Pluralsight. If you want, you can call them at +1 (801) 784-9032 or send an email to james-cole at pluralsight.com . What are your top five favorite moments? List it in comments and you may win Pluralsight subscription. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: About Me, PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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AJI Report #17 | Javier Lozano on Cloud Development and ASP.NET

- by Jeff Julian

Javier Lozano opens up the conversation with John and Jeff about the importance of web applications in the cloud and we walk through some options for enterprise developers to consume today. Javier has been an ASP.NET MVP and ASP.NET Insider for years and is a great resource in the Midwest when it comes to ASP.NET. Javier is one of organizers of the ASP.NET conference, aspConf. Listen to the Show Site: http://lozanotek.com Conference: aspConf Twitter: @jglozano

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fully encrypt website using SSL

- by eddywebs

I had been trying to use SSL for the following site http://bit.ly/e8Lj32 , although the SSL certificate is signed properly by networksolutions , each time the pages are loaded it still displays an SSl warning in browser warning "Some parts of the site are not using SSL" , in I.E, its even worst if you hit "no I dont want view unsecured part of the page" site does not display properly (as it blocks some of the widgets) screenshots upped at http://i.imgur.com/fm5GO.png

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Giving a Zone "More Power"

- by Brian Leonard

In addition to the traditional virtualization benefits that Solaris zones offer, applications running in zones are also running in a more secure environment. One way to quantify this is compare the privileges available to the global zone with those of a local zone. For example, there a 82 distinct privileges available to the global zone: bleonard@solaris:~$ ppriv -l | wc -l 82 You can view the descriptions for each of those privileges as follows: bleonard@solaris:~$ ppriv -lv contract_event Allows a process to request critical events without limitation. Allows a process to request reliable delivery of all events on any event queue. contract_identity Allows a process to set the service FMRI value of a process contract template. ... Or for just one or more privileges: bleonard@solaris:~$ ppriv -lv file_dac_read file_dac_write file_dac_read Allows a process to read a file or directory whose permission bits or ACL do not allow the process read permission. file_dac_write Allows a process to write a file or directory whose permission bits or ACL do not allow the process write permission. In order to write files owned by uid 0 in the absence of an effective uid of 0 ALL privileges are required. However, in a non-global zone, only 43 of the 83 privileges are available by default: root@myzone:~# ppriv -l zone | wc -l 43 The missing privileges are: cpc_cpu dtrace_kernel dtrace_proc dtrace_user file_downgrade_sl file_flag_set file_upgrade_sl graphics_access graphics_map net_mac_implicit proc_clock_highres proc_priocntl proc_zone sys_config sys_devices sys_ipc_config sys_linkdir sys_dl_config sys_net_config sys_res_bind sys_res_config sys_smb sys_suser_compat sys_time sys_trans_label virt_manage win_colormap win_config win_dac_read win_dac_write win_devices win_dga win_downgrade_sl win_fontpath win_mac_read win_mac_write win_selection win_upgrade_sl xvm_control However, just like Tim Taylor, it is possible to give your zones more power. For example, a zone by default doesn't have the privileges to support DTrace: root@myzone:~# dtrace -l ID PROVIDER MODULE FUNCTION NAME The DTrace privileges can be added, however, as follows: bleonard@solaris:~$ sudo zonecfg -z myzone Password: zonecfg:myzone> set limitpriv="default,dtrace_proc,dtrace_user" zonecfg:myzone> verify zonecfg:myzone> exit bleonard@solaris:~$ sudo zoneadm -z myzone reboot Now I can run DTrace from within the zone: root@myzone:~# dtrace -l | more ID PROVIDER MODULE FUNCTION NAME 1 dtrace BEGIN 2 dtrace END 3 dtrace ERROR 7115 syscall nosys entry 7116 syscall nosys return ... Note, certain privileges are never allowed to be assigned to a zone. You'll be notified on boot if you attempt to assign a prohibited privilege to a zone: bleonard@solaris:~$ sudo zoneadm -z myzone reboot privilege "dtrace_kernel" is not permitted within the zone's privilege set zoneadm: zone myzone failed to verify Here's a nice listing of all the privileges and their zone status (default, optional, prohibited): Privileges in a Non-Global Zone.

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Webcast: ODI and Successful Strategies for Optimizing Your Data Warehouse

- by antonio romero

A new public webcast for ODI: “Successful Strategies for Optimizing Your Data Warehouse” is scheduled for March 3th at 10am PT/1pm ET. In this webcast, Mala Narasimharajan, from the product marketing team and Denis Gray from the product management team, will be presenting ODI’s strong value proposition for data warehousing solutions. You can find the registration link below. Live webcast: Successful Strategies for Optimizing Your Data Warehouse March 3, 2011 1pm ET/10pm PT Registration link: http://www.oracle.com/us/dm/66153-wwmk10035379mpp011-se-309154.html

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apt-get update: 503 Service Unavailable

- by Johan Barelds

I do get the following error message(s) when running apt-get update: Err http://nl.archive.ubuntu.com precise-backports/multiverse i386 Packages 503 Service Unavailable The server is not behing a proxy, but there is a firewall, I suspect that the firewall is causing me troubles (transparant proxy?). What kind of checks can I perform to be sure it is the firewall and not something else? Which specific ports should I check in which way to get conclusive evidence?

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is RapidSSL wildcard cert supported by major browsers?

- by Jorre

I'm thinking of buying a wildcard SSL cert from clickSSL : http://www.clickssl.com/rapidssl/rapidsslwildcard.aspx That would be a rapidssl certificate, and I was looking into my firefox options to see if RapidSSL is in the list of recognized Authorities. My certificate manager doesn't mention RapidSSL anywhere. Am I looking for the wrong name, e.g. is rapidssl recognized by browsers under a different name? I want to be sure that this certificate is working in all major browsers (including IE6)

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Why Facebook profiles are Google-searchable?

- by Jose

Facebook has around 1B user profiles. They can be found by searching in Google. However, I don't think these profiles are linked from anywhere, so how could Google discover them? As far as I know, sitemaps are not enough for that (http://webmasters.stackexchange.com/a/5151), as all URLs should be crawlable anyway. I ask the question as I also have a site with user profiles and would like to make them discoverable.

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Looking into the JQuery Image Zoom Plugin

- by nikolaosk

I have been using JQuery for a couple of years now and it has helped me to solve many problems on the client side of web development. You can find all my posts about JQuery in this link. In this post I will be providing you with a hands-on example on the JQuery Image Zoom Plugin.If you want you can have a look at this post, where I describe the JQuery Cycle Plugin.You can find another post of mine talking about the JQuery Carousel Lite Plugin here.I will be writing more posts regarding the most commonly used JQuery Plugins. I have been using extensively this plugin in my websites.You can use this plugin to move mouse around an image and see a zoomed in version of a portion of it. In this hands-on example I will be using Expression Web 4.0.This application is not a free application. You can use any HTML editor you like. You can use Visual Studio 2012 Express edition. You can download it here. You can download this plugin from this link I launch Expression Web 4.0 and then I type the following HTML markup (I am using HTML 5) <html lang="en"> <head> <title>Liverpool Legends</title> <meta http-equiv="Content-Type" content="text/html;charset=utf-8" > <link rel="stylesheet" type="text/css" href="style.css"> <script type="text/javascript" src="jquery-1.8.3.min.js"> </script> <script type="text/javascript" src="jqzoom.pack.1.0.1.js"></script> <script type="text/javascript"> $(function () { $(".nicezoom").jqzoom(); }); </script> </head> <body> <header> <h1>Liverpool Legends</h1> </header> <div id="main"> <a href="championsofeurope-large.jpg" class="nicezoom" title="Champions"> <img src="championsofeurope.jpg" title="Champions"> </a> </div> <footer> <p>All Rights Reserved</p> </footer> </body> </html> This is a very simple markup. I have added one large and one small image (make sure you use your own when trying this example) I have added references to the JQuery library (current version is 1.8.3) and the JQuery Image Zoom Plugin. Then I add 2 images in the main div element.Note the class nicezoom inside the href element. The Javascript code that makes it all happen follows. <script type="text/javascript"> $(function () { $(".nicezoom").jqzoom(); }); </script> It couldn't be any simpler than that. I view my simple in Internet Explorer 10 and it works as expected. I have tested this simple solution in all major browsers and it works fine.Inside the head section we can add another Javascript script utilising some more options regarding the zoom plugin. <script type="text/javascript"> $(function () { var options = { zoomType: 'standard', lens:true, preloadImages: true, alwaysOn:false, zoomWidth: 400, zoomHeight: 350, xOffset:190, yOffset:80, position:'right' }; $('.nicezoom').jqzoom(options); }); </script> I would like to explain briefly what some of those options mean. zoomType - Other admitted option values are 'reverse','drag','innerzoom' zoomWidth - The popup window width showing the zoomed area zoomHeight - The popup window height showing the zoomed area xOffset - The popup window x offset from the small image. yOffset - The popup window y offset from the small image. position - The popup window position.Admitted values:'right' ,'left' ,'top' ,'bottom' preloadImages - if set to true,jqzoom will preload large images. You can test it yourself and see the results in your favorite browser. Hope it helps!!!

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Acommodation deal annoucced for SQLBits 6

- by simonsabin

The details of our acommodation deal have been announced. We are going to be using the Park Paza on Westminster Bridge. http://www.parkplaza.com/hotels/gbwestmi The speakers are going to be based there so why not join us, its a short walk from the venue. We have a promotion code SQL6 which gives you a greatly reduced rate of £139 + VAT. If you want cheaper then consider using Laterooms

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Acommodation deal annoucced for SQLBits 6

- by simonsabin

The details of our acommodation deal have been announced. We are going to be using the Park Paza on Westminster Bridge. http://www.parkplaza.com/hotels/gbwestmi The speakers are going to be based there so why not join us, its a short walk from the venue. We have a promotion code SQL6 which gives you a greatly reduced rate of £139 + VAT. If you want cheaper then consider using Laterooms

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Are factors such as Intellisense support and strong typing enough to justify the use of an 'Anaemic Domain Model'?

- by David Osborne

It's easy to accept that objects should be used in all layers except a layer nominated as a data layer. However, it's just as easy to end-up with an 'anaemic domain model' that is just an object representation of data with no real functionality ( http://martinfowler.com/bliki/AnemicDomainModel.html ). However, using objects in this fashion brings the benefit of factors such as Intellisense support, strong typing, readability, discoverability, etc. Are these factors strong arguments for an otherwise, anaemic domain model?

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How do you calculate UVW coordinates?

- by Jenko

I'm working on a 3d engine and I'm calculating UVT coordinates, where U and V represent pixels on the texture measured in 0-1, and T is: T = perspective / Z But I'm trying to use this perspective-correct triangle rasteriser, which requires a W, per vertex. How do I calculate the W for each vertex for the drawPerspectiveTexturedPolygon() function? Hint: The code comments refer to W as the "homogenous coordinate" ... does that mean anything?

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Are there any memorization techniques that exist for programmers? [closed]

- by Akromyk

I just watched this video on Ted.com entitled: Joshua Foer: Feats of memory anyone can do and it got me thinking about memory from a programmers perspective. There are so many abstract concepts and syntactic nuances we encounter daily, and yet we still manage to remember enough information to be productive. The memory palace may help in remembering someone's name or a random story but are there any memorization techniques that can better aid programmers?

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PCF shadow shader math causing artifacts

- by user2971069

For a while now I used PCSS for my shadow technique of choice until I discovered a type of percentage closer filtering. This method creates really smooth shadows and with hopes of improving performance, with only a fraction of texture samples, I tried to implement PCF into my shader. This is the relevant code: float c0, c1, c2, c3; float f = blurFactor; float2 coord = ProjectedTexCoords; if (receiverDistance - tex2D(lightSampler, coord + float2(0, 0)).x > 0.0007) c0 = 1; if (receiverDistance - tex2D(lightSampler, coord + float2(f, 0)).x > 0.0007) c1 = 1; if (receiverDistance - tex2D(lightSampler, coord + float2(0, f)).x > 0.0007) c2 = 1; if (receiverDistance - tex2D(lightSampler, coord + float2(f, f)).x > 0.0007) c3 = 1; coord = (coord % f) / f; return 1 - (c0 * (1 - coord.x) * (1 - coord.y) + c1 * coord.x * (1 - coord.y) + c2 * (1 - coord.x) * coord.y + c3 * coord.x * coord.y); This is a very basic implementation. blurFactor is initialized with 1 / LightTextureSize. So the if statements fetch the occlusion values for the four adjacent texels. I now want to weight each value based on the actual position of the texture coordinate. If it's near the bottom-right pixel, that occlusion value should be preferred. The weighting itself is done with a simple bilinear interpolation function, however this function takes a 2d vector in the range [0..1] so I have to convert my texture coordinate to get the distance from my first pixel to the second one in range [0..1]. For that I used the mod operator to get it into [0..f] range and then divided by f. This code makes sense to me, and for specific blurFactors it works, producing really smooth one pixel wide shadows, but not for all blurFactors. Initially blurFactor is (1 / LightTextureSize) to sample the 4 adjacent texels. I now want to increase the blurFactor by factor x to get a smooth interpolation across maybe 4 or so pixels. But that is when weird artifacts show up. Here is an image: Using a 1x on blurFactor produces a good result, 0.5 is as expected not so smooth. 2x however doesn't work at all. I found that only a factor of 1/2^n produces an good result, every other factor produces artifacts. I'm pretty sure the error lies here: coord = (coord % f) / f; Maybe the modulo is not calculated correctly? I have no idea how to fix that. Is it even possible for pixel that are further than 1 pixel away?

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How to publish your key used to sign deb packages so you will be able to use your repository from any machine?

- by Sorin Sbarnea

I am looking for a solution that would prevent me from seeing things like: W: GPG error: http://updates.example.com lenny Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 00AABBCCDDEE0011 The question applies for both Debian and Ubuntu. Isn't possible to publish the key somewhere where it can be automatically downloaded by apt-get based on it's signature? Note: I know that I can put my signature to an we server and use wget to get it and install it from there, still I am using for a better solution.

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Article Sharing – Windows Azure Memcached Plugin

- by Shaun

I just found that David Aiken, a windows azure developer and evangelist, wrote a cool article about how to use Memcached in Windows Azure through the new feature Azure Plugin. http://www.davidaiken.com/2011/01/11/windows-azure-memcached-plugin/ I think the best solution for distributed cache in Azure would be the Windows Azure AppFabric Caching but since it’s only in CTP and avaiable in the US data center David’s solution would be the best. Only one thing I’m concerning about, is the stability of windows verion Memcached.

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Paypal Automatic Billing API

- by Dale Burrell

Paypal offer Automatic Billing Buttons (https://merchant.paypal.com/us/cgi-bin/?cmd=_render-content&content_ID=developer/e_howto_html_autobill_buttons#id105ED800NBF) which allow regular billing for different amounts. After a couple of hours googling I cannot find how to access this functionality using the API, so that it can be automated as opposed to done manually via the paypal account. Is it possible? Can someone point me to a sample/reference?

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Cinco podcasts marotos sobre desenvolvimento ou quase (pt-BR)

- by srecosta

Ando muito de ônibus e metrô.Se você também faz isto, sabe que você acaba desenvolvendo técnicas para não se dar conta de quanto tempo da sua vida você está desperdiçando ali, parado, no trânsito.Uma das minhas técnicas preferidas é ouvir podcasts. É fácil de baixar, a maioria cuida bem do aúdio e quando você percebe, já está em casa.Criei uma lista de cinco podcasts que você pode ler em: http://www.srecosta.com/2012/09/13/cinco-podcasts-marotos-sobre-desenvolvimento-ou-quase/ Grande abraço,Eduardo Costa

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Looking for a Lead SQL Developer with a passion for data

- by simonsabin

Data is a huge part of what we do and I need someone that has a passion for data to lead our SQL team. If you’ve got experience with SQL and want to lead a team working in an agile environment with aggressive CI processes. Do you have a passion about data and want to use technology to solve problems then you are just the person I am looking for The role is based in London working for on of the top tech companies in Europe. Contact me though my blog or linkedin ( http://uk.linkedin.com/in/simonsabin...(read more)

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adapting a Unity gravitational script to allow moons

- by PartyMix

I'm using this script: http://wiki.unity3d.com/index.php/Simple_planetary_orbits to get a solar system going in Unity, but it doesn't seem to support creating bodies that orbit other moving bodies (or I am using it incorrectly). Any idea about how to modify it so that it does (or just use it correctly)? I've been beating my head against this problem for a couple hours, and I really don't feel like I have any idea what I'm doing. Thanks in advance.

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Start Your Engines

- by Richard Jones

Just passing on the good news from MIX Keynote yesterday. The CTP Developers Kit for Windows Phone 7 Series, is available here. http://www.microsoft.com/downloads/details.aspx?FamilyID=2338b5d1-79d8-46af-b828-380b0f854203&displaylang=en#filelist First impressions are great. Hello World up and running in under 2 minutes - Technorati Tags: Windows Pgone 7 Series

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Problemas de instalación de Silverlight 4 (Solución)

- by Eugenio Estrada

A lo largo de esta semana, he estado intentando actualizar en producción una serie de equipos con Silverlight 3 a Silverlight 4, digo intentando porque nos hemos encontrado con un problema bastante grande. No hemos sido los únicos por lo que he podido leer en los foros de Silverlight . El caso es que para actualizar Silverlight 3 a Silverlight 4 hemos usado la Web oficial donde se puede descargar el paquete runtime de Silverlight: http://www.microsoft.com/getsilverlight . Una vez aquí nos dice que...(read more)

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How is dependency inversion related to higher order functions?

- by Gulshan

Today I've just seen this article which described the relevance of SOLID principle in F# development- F# and Design principles – SOLID And while addressing the last one - "Dependency inversion principle", the author said: From a functional point of view, these containers and injection concepts can be solved with a simple higher order function, or hole-in-the-middle type pattern which are built right into the language. But he didn't explain it further. So, my question is, how is the dependency inversion related to higher order functions?

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How did you get good practices for your OOP designs?

- by Darf Zon

I realized I have a difficulty creating OOP designs. I spent many time deciding if this property is correctly set it to X class. For example, this is a post which has a few days: http://codereview.stackexchange.com/questions/8041/how-to-improve-my-factory-design I'm not convinced of my code. So I want to improve my designs, take less time creating it. How did you learn creating good designs? Some books that you can recommend me?

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