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• The Open Data Protocol

  - by Bobby Diaz

  Well, day 2 of the MIX10 conference did not disappoint.  The keynote speakers introduced the preview release of IE9, which looks really cool and quick, and Visual Studio 2010 RC that is scheduled to RTM on April 12th.  It seemed to have a lot of improvements aimed at making developers more productive.  Here are the current links to these two offerings: Internet Explorer 9 – Platform Preview Visual Studio 2010 and .NET 4 – Release Candidate While both of these were interesting, the demos that really blew me away today centered around the work being done with The Open Data Protocol, or OData for short!  OData is a recommended standard being pushed by Microsoft that uses a REST based interface to interact with various types of data in a uniform manner.  Data producers then provide the data to consumer in either ATOM or JSON formats as requested by the client application. The OData SDK contains client and server libraries for many of the popular languages in use today, including .NET, Java, PHP, Objective C and JavaScript, so you consume or even produce your own OData services.  More information can be found using the following links: OData.org How to navigate an OData compliant service Query Functions (WCF Data Services) Netflix has made available one of the first live OData services by exposing their entire movie catalog.  You can browse and query using URLs similar to the following: http://odata.netflix.com/ http://odata.netflix.com/Catalog/Genres('Horror')/CatalogTitles http://odata.netflix.com/Catalog/CatalogTitles?$filter=startswith(Title/Regular,%20'Star%20Wars')&$orderby=Title/Regular So now I just need to find an excuse reason to start using OData in a real project! Enjoy!

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• Ubuntu not connecting to network in Hyper-V

  - by soandos

  I am unable to connect the Ubuntu guest (both 12.10 and 12.04) to the internet via hyper-V. Here is what I have done so far (with much thanks due to @Kronos's blog post on the topic): Created a switch in the switch manager with connection set to external, selected my wifi card (Intel Centrino Ultimate-N 6300 AGN). If it matters, the Microsoft Filtering Platform is checked under extensions. Added this switch to my Ubuntu guest. I also tried a different wireless card (Aethros 9285) same issue. Connecting through my wired card works just fine (assume that I select that card, and I am wired in of course). Making it a legacy network adapter does not fix the issue. Ubuntu can see this connection, but is unable to connect to it. What follows is what I attempted to do to get Ubuntu to connect: Start and restart the network manager Restart the machine Verify that it could in fact see the adapter (resulted in device not ready a few times) How can I get this to work properly?

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• SSIS Prehistory video

  - by jamiet

  I’m currently wasting spending my Easter bank holiday putting together my presentation SSIS Dataflow Performance Tuning for the upcoming SQL Bits conference in London and in doing so I’m researching some old material about how the dataflow actually works. Boring as it is I’ve gotten easily sidelined and have chanced upon an old video on Channel 9 entitled Euan Garden - Tour of SQL Server Team (part I). Euan is a former member of the SQL Server team and in this series of videos he walks the halls of the SQL Server building on Microsoft’s Redmond campus talking to some of the various protagonists and in this one he happens upon the SQL Server Integration Services team. The video was shot in 2004 so this is a fascinating (to me anyway) glimpse into the development of SSIS from before it was ever shipped and if you’re a geek like me you’ll really enjoy this behind-the-scenes look into how and why the product was architected. The video is also notable for the presence of the cameraman – none other than the now-rather-more-famous-than-he-was-then Robert Scoble. See it at http://channel9.msdn.com/posts/TheChannel9Team/Euan-Garden-Tour-of-SQL-Server-Team-part-I/ Enjoy! @Jamiet Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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• July, the 31 Days of SQL Server DMO’s – Day 27 (sys.dm_db_file_space_usage)

  - by Tamarick Hill

  The sys.dm_db_file_space usage DMV returns information about database file space usage.  This DMV was enhanced for the 2012 version to include 3 additional columns. Let’s query this DMV against our AdventureWorks2012 database and view the results. SELECT * FROM sys.dm_db_file_space_usage The column returned from this DMV are really self-explanatory, but I will give you a description, paraphrased from books online, below. The first three columns returned from this DMV represent the Database, File, and Filegroup for the current database context that executed the DMV query. The next column is the total_page_count which represents the total number of pages in the file. The allocated_extent_page_count represents the total number of pages in all extents that have been allocated. The unallocated_extent_page_count represents the number of pages in the unallocated extents within the file. The version_store_reserved_page_count column represents the number of pages that are allocated to the version store. The user_object_reserved_page_count represents the number of pages allocated for user objects. The internal_object_reserved_page_count represents the number of pages allocated for internal objects.  Lastly is the mixed_extent_page_count which represents the total number of pages that are part of mixed extents. This is a great DMV for retrieving usage space information from your database files. For more information about this DMV, please see the below Books Online link: http://msdn.microsoft.com/en-us/library/ms174412.aspx Follow me on Twitter @PrimeTimeDBA

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• IASA South East Florida Chapter February Meeting Report

  - by Rainer Habermann

  IASA South East Florida Chapter – February Meeting The topic for our February chapter meeting was Legal Issues in IT. Ms. Kennedy, Intellectual Property Attorney with an active litigation, trademark and copyright practice, presented: How Google, Wal-Mart & Apple Make their Millions – The Secret Ingredient: Intellectual Property This topic initiated great interest and the meeting room at Microsoft Ft. Lauderdale filled up to the last seat. Most Architects, Engineers, and MBA’s are not aware about Intellectual Property, Basic Patent, Trademark, or legal issues related to the web. After clarifying the basic definitions, Ms. Kennedy explained in detail how intellectual property issues could make or break a company. Members had the opportunity at the end of the presentation to ask questions, discuss legal problems, and several members shared their experiences related to Intellectual Property and other IT related issues. If you want to protect your ideas and intellectual property, you have to be aware of the implications and need to take the right steps in order to protect them. All Chapter Members agreed that it was an outstanding and lively presentation. Ms. Kennedy presented high quality content and made participants aware of legal IT issues. In the name of all chapter members, thank you Ms. Kennedy for taking the time for this amazing presentation and to Quent Herschelman for hosting the meeting. Rainer Habermann President IASA South East Florida Chapter

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• Can I install visual studio 2012 side by side with 2010?

  - by AMgdy

  Can I install Microsoft Visual Studio Ultimate 2012 RTM side by side with Visual Studio Ultimate 2010 on Windows 7? Because I tried to install it and I just got the splash screen for the installer then I got the following error: Setup detected an issue during the operation. Please click below to check for a solution and help us improve the setup experience. And nothing happens! no solution found! although I've setup the same copy into Windows 8 successfully. Any Ideas?

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• Copy/Paste (Clipboard like) functionality from a VNC desktop

  - by goldenmean

  I use TightVNC, RealVNC to access the Remote Linux(CentOS,Ubuntu) desktops by running a vncserver on the remote machine. When I connect to those servers from my Windows host: Can I use the Copy/Paste functionality on the VNC client desktop window. i.e. Copy some text on some terminal open inside the VNC client desktop window and paste it into some text file on my local windows machhines and vice-a-versa? I checked TightVNC options but did not see anything. Can it be done by a)Running vncserver on the remote machine with some options or b)By running some configuration on remote machine to enable this. How could I get it done? Also is this kind of Copy/Paste functionality possible in Microsoft Windows Remote Desktop connection/Terminal session protocol?

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• DATE function does not support all the dates in DAX by design #powerpivot #tabular #dax

  - by Marco Russo (SQLBI)

  The DATE function in DAX has this simple syntax: DATE( <year>, <month>, <day> ) If you are like me, you never read the BOL notes that says in a clear way that it supports dates beginning with March 1, 1900. In fact, I was wrongly assuming that it would have supported any date that can be represented in a Date data type in Data Models, so all the dates beginning with January 1, 1900. The funny thing is that in some of the BOL documentation you will find that Date data type supports dates after March 1, 1900 (which seems not including that date, but this is a detail…). But we should not digress. The real issue is that if you try to call the DATE function passing values between January 1 and February 28, 1900, you will see a different day as a result. evaluate row ( "x", DATE( 1900, 1, 1 ) ) -- return WRONG result -- [x] 12/31/1899 12:00:00 AM   evaluate row ( "x", DATE( 1901, 2, 29 ) ) -- return WRONG result -- [x] 2/28/1900 12:00:00 AM   evaluate row ( "x", DATE( 1900, 3, 1 ) ) -- return CORRECT result -- [x] 3/1/1900 12:00:00 AM As usual, this is not a bug. It is “by design”. The DATE function works in this way in Excel. And also in Excel it was “by design”. In this case the design is having the same bug of Lotus 1-2-3 that handled 1900 a leap year, even though it isn’t. The first release of Lotus 1-2-3 is dated 1983. I hope many of my readers are younger than that. I tried to open a bug in Connect. Please vote it. I would like if Microsoft changed this type of items from “by design” (as we can expect) to “by genetic disease”. Or by “historical respect”, in order to be more politically correct.

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• Is there a Unix/Linux platform equivalent of Telligent Community (formerly Community Server)?

  - by Scott A. Lawrence

  Telligent Community combines blogs, wikis, forums, and file-sharing capabilities into a single product with single sign-on, using all Microsoft technologies. Is there an equivalent offering that runs on Unix/Linux? Or would I have to pick and choose individual product offerings and figure out another option for single sign-on across them? Are there plug-ins for something like WordPress or MovableType that might add the necessary functionality? A friend of mine is looking to add a "members-only" area to her company's website, and since they're hosted on Dreamhost (and can't afford StackExchange pricing yet), I'm trying to find other options for them.

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• SQL SERVER – Four Tutorial for SQL Server 2012 New Features

  - by pinaldave

  One of the very common question I receive on my facebook is that if there is any tutorial for SQL Server 2012 new enhanced features and solutions. I see this demand a bit increasing as the SQL Server 2012 is more and more being adopted. Here is the list of four tutorial which is specifically created for SQL Server 2012 by Microsoft. Multidimensional Modeling (Adventure Works Tutorial) This tutorial teaches you how to develop and deploy an Analysis Services project that enables the employees of Adventure Works Cycles to analyze various aspects of their business. Tabular Modeling (Adventure Works Tutorial) This tutorial teaches you how to create a SQL Server 2012 Analysis Services tabular model that enable sales and marketing teams to easily analyze internet sales data in the AdventureWorksDW2012 data warehouse. You will build the tabular model in SQL Server Data Tools. Tutorials and Demos for Power View Create Power View reports and explore Power View features. View demos, videos, and tutorials that help you get started quickly with Power View and successfully build reports with interactive filters and visualizations such as bubble charts, tiles, and cards. Tutorial: Using the hierarchyid Data Type This tutorial is intended for users who are experienced with Transact-SQL, but are new to the hierarchyid data type. In this tutorial, you convert an existing table to a hierarchical structure, and you also create a new table to store and manage hierarchical data efficiently. Note: The description of the course is taken from original course description. You will need to install SQL Server 2012 AdventureWorks for all this tutorial. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, SQL Training, T SQL, Technology

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• SharePoint 2010 BDC Model Deployment Issue: “The default web application could not be determined.”

  - by Jan Tielens

  Yesterday I tried to deploy a Business Data Connectivity Model project created in Visual Studio 2010 to my SharePoint 2010 test server (all RTM versions), but during the deployment of the solution, SharePoint threw my following error: Add Solution:  Adding solution 'BCSDemo2.wsp'...  Deploying solution 'BCSDemo2.wsp'...Error occurred in deployment step 'Add Solution': The default web application could not be determined. Set the SiteUrl property in feature BCSDemo2_Feature1 to the URL of the desired site and retry activation.Parameter name: properties A little bit of searching on the internet taught me that I was not the only one having this issue, actually Paul Andrew describes how to solve it in this post. Although Paul describes what to do, his explanation is not, let’s say, very elaborate. :-) So let’s describe the steps a little bit more in detail: Create a new Business Data Connectivity Model project in Visual Studio 2010 and (optionally) implement all your code, change the model etc. When you try to deploy you get the error mentioned above. To fix it, in the Solution Explorer, navigate to and open the Feature1.Template.xml file (the name could be different if you decided to give your feature a different name of course). Add the following XML in the Feature element that’s already there (replace the Value with the URL of your site of course):  <Properties>    <Property Key='SiteUrl' Value='http://spf.u2ucourse.com'/>  </Properties>The resulting XML should look like:<?xml version="1.0" encoding="utf-8" ?><Feature xmlns="http://schemas.microsoft.com/sharepoint/">  <Properties>    <Property Key='SiteUrl' Value='http://spf.u2ucourse.com'/>  </Properties></Feature> Deploy the solution, now without any issues. :-) What happens now, is that when Visual Studio creates the SharePoint Solution (the WSP file), it will use the Feature template XML to generate the Feature manifest, which will now include the missing property.

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• How can I troubleshoot Windows Media Player being unable to play videos?

  - by Billy ONeal

  I have a Windows Media Player installation which is behaving strangely. I know I have the correct codecs installed for a piece of video, because it is Windows Media Video because the Zune software plays it just fine this is a recent problem; this type of video played just fine a week ago, but I have been unable to isolate the change that borked things (and I have System Restore disabled because the space on this SSD is cramped as it is) When I try to view any video in Windows Media Player, the video does not play, and I just get this: and none of the media buttons have any effect. I have already tried the following: Uninstalling and reinstalling the KLite Codec Pack Uninstalling and reinstalling Windows Media Player via "Add or Remove Windows Features" Removing and allowing WMP to rebuild it's media library by erasing the %LOCALAPPDATA%\Microsoft\Windows Media directory. sfc /scannow How can I troubleshoot this problem?

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• Windows Update can't install Windows Vista SP1

  - by Harry Johnston

  If you install Windows Vista RTM and run Windows Update, many updates are offered and will successfully install. Once all other updates are installed, Windows Vista service pack 1 is offered. When you attempt to install Windows Vista service pack 1, the service pack installation wizard appears, presenting the license agreement and so on. However, shortly after the installation starts the wizard disappears. Windows Update says that the update was installed successfully. However, service pack 1 is not in fact installed, and will be detected as needed again on the next update check. Repeat ad nauseum. On checking the Windows Update log, error 0x80190194 appears near the beginning of an update check, associated with the URL http://update.microsoft.com/vista/windowsupdate/redir/vistawuredir.cab. Why won't service pack 1 install properly and how do I fix it?

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• July, the 31 Days of SQL Server DMO’s – Day 18 (sys.dm_io_virtual_file_stats)

  - by Tamarick Hill

  The sys.dm_io_virtual_file_stats Dynamic Management Function is used to return IO statistic information about each of your database files on your server. As input parameters, this function takes a database_id and a file_id. If you want to return IO statistic information for all files, you can simply pass in NULL values for both of these. Let’s have a look at this function  and examine its results: SELECT db_name(database_id) DatabaseName, * FROM sys.dm_io_virtual_file_stats(NULL, NULL) The first column in the result set is the DatabaseName which is just a column I created using the db_name() system function and the database_id column from this function. Next we have a file_id which represent the ID for the file, whether it be a data file or transaction log file. The ‘sample_ms’ column represents the total time in milliseconds that the instance has been up and running. Next we have the ‘num_of_reads’, ‘num_of_bytes_read’, and later ‘num_of_writes’, and ‘num_of_bytes_written’. These columns represent the number of reads or writes and number of bytes read or written against a particular file. These columns are beneficial when determining how often a particular file is being accessed. The ‘io_stall_read_ms’ and io_stall_write_ms’ columns each represent the the total time in milliseconds that users have had to wait for reads or writes against a file respectively. The ‘io_stall’ column is the sum of both read and write io stalls. The ‘size_on_disk_bytes’ column represents the size of the respective file on your disk subsystem. Lastly the ‘file_handle’ column is simply the Windows File handle. This Dynamic Management Function is useful when you are needing to analyze your database files for the purposes of segregating high IO databases. This DMF gives you a good view of which of your database files are being accessed the most and which ones may be generating the largest IO stalls. These could be your best candidates for moving into separate IO channels. For more information about this DMF, please see the below Books Online link: http://msdn.microsoft.com/en-us/library/ms190326.aspx Follow me on Twitter @PrimeTimeDBA

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• Cannot start tor with vidalia, failed to bind listening port because of tor-socks running

  - by ganjan

  I get these errors trying to run tor with vidalia Apr 19 21:55:15.371 [Notice] Tor v0.2.1.30. This is experimental software. Do not rely on it for strong anonymity. (Running on Linux i686) Apr 19 21:55:15.372 [Notice] Initialized libevent version 1.4.13-stable using method epoll. Good. Apr 19 21:55:15.373 [Notice] Opening Socks listener on 127.0.0.1:9050 Apr 19 21:55:15.373 [Warning] Could not bind to 127.0.0.1:9050: Address already in use. Is Tor already running? Apr 19 21:55:15.373 [Warning] Failed to parse/validate config: Failed to bind one of the listener ports. Apr 19 21:55:15.373 [Error] Reading config failed--see warnings above. I don't think tor is running. Here is a nmap scan of my localhost Starting Nmap 5.21 ( http://nmap.org ) at 2011-04-19 21:59 CEST Nmap scan report for localhost (127.0.0.1) Host is up (0.0000050s latency). Hostname localhost resolves to 2 IPs. Only scanned 127.0.0.1 rDNS record for 127.0.0.1: localhost.localdomain Not shown: 989 closed ports PORT STATE SERVICE 22/tcp open ssh 53/tcp open domain 80/tcp open http 139/tcp open netbios-ssn 445/tcp open microsoft-ds 631/tcp open ipp 3128/tcp open squid-http 3306/tcp open mysql 9000/tcp open cslistener 9050/tcp open tor-socks 10000/tcp open snet-sensor-mgmt I see tor-socks is running here, probably be the cause of the problem. How do I stop this from starting up? I want to use vidalia so I can monitor whats going on.

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• win xp client, win 7 host, only xp drivers

  - by brett

  I have a win 7 64 bit box which has xp on it in a vmware module and also the win7 version. I can use my old usb wifi card under virtual xp as i have the wifi drivers, but apparently the manufacturing company never made any further drivers, nor did it release the source code. Is it possible to get networking between the client and the host, so that my host can browse etc? I thought the microsoft loopback adapter might be the answer but ever example i can find of it's use describes a setup where the host is connected fine and needs to route data to the client as well.

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• Autoscaling in a modern world&hellip;. Part 1

  - by Steve Loethen

  It has been a while since I have had time to sit down and blog.  I need to make sure I take the time.  It helps me to focus on technology and not let the administrivia keep me from doing the things I love. I have been focusing on the cloud for the last couple of years.  Specifically the  PaaS platform from Microsoft called Azure.  Time to dig in.. I wanted to explore Autoscaling.  Autoscaling is not native part of Azure.  The platform has the needed connection points.  You can write code that looks at the health and performance of your application components and react to needed scaling changes.  But that means you have to write all the code.  Luckily, an add on to the Enterprise Library provides a lot of code that gets you a long way to being able to autoscale without having to start from scratch. The tool set is primarily composed of a Autoscaler object that you need to host.  This object, when hosted and configured, looks at the performance criteria you specify and adjusts your application based on your needs.  Sounds perfect. I started with the a set of HOL’s that gave me a good basis to understand the mechanics.  I worked through labs 1 and 2 just to get the feel, but let’s start our saga at the end of lab3.  Lab3 end results in a web application, hosted in Azure and a console app running on premise.  The web app has a few buttons on it.  One set adds messages to a queue, another removes them.  A second set of buttons drives processor utilization to 100%.  If you want to guess, a safe bet is that the Autoscaler is configured to react to a queue that has filled up or high cpu usage.  We will continue our saga in the next post…

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• How do special folders work on Windows 7?

  - by Martin

  Hello, I did something silly and accidentally moved my my special folders (My Documents, My Music etc.) to the Desktop. Once I noticed my mistake I quickly moved them back. But now my System acts erratically. It continuously creates new empty folders on my Desktop. And I have now two folders named "My Pictures" in my home directory. One of which is magically linked to the one in Desktop while on the command line one one is actually visible. If I delete the superfluous folders on Desktop then the explorer crashes. It is all a big mess. Of course I checked HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\User Shell Folders and it looks all ok there. So here the question: As anybody got any informations on how Windows 7 handles the special folders which might help be clean up the mess? I am well versed in using both the command line or the registry editor.

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• View Word Definitions in IE 8 with the Define with Bing Accelerator

  - by Asian Angel

  Do you need an easy way to view word definitions while browsing with Internet Explorer? The Define with Bing Accelerator will display definitions in the same (or a new) tab and save you time while browsing. Using Define with Bing The installation consists of two steps. First, click on Add to Internet Explorer to start the process. Next you will be asked to confirm the installation. Once you have clicked Add your new accelerator is ready to use (no browser restart required). Whenever you encounter a word that needs defining highlight it, click on the small blue square, go to All Accelerators, and then Define with Bing. There are two ways to access the definition: Hover your mouse over the Define with Bing text to open a small popup window Click on Define with Bing to open a definition search in a new tab Being able to access a definition or explanation in the same tab will definitely save you time while browsing. In the example shown here you can get an idea of what SCORM means but clicking on the links inside the popup window is not recommended (webpage opens in popup and is not resizable). In the situation shown above it is better to click on Define with Bing and see more information in a new tab. Conclusion The Define with Bing Accelerator can be a very useful time saver while browsing with Internet Explorer. Finding those word definitions will be a much more pleasant experience now. Add the Define with Bing Accelerator to Internet Explorer Similar Articles Productive Geek Tips Add Google Dictionary Power to ChromeChoose Custom New Tab Pages in ChromeSearch Alternative Search Engines from within Bing’s Search PageView Word Definitions in Google Chrome with DictionaryTipThe New Bing Bar Provides Easy Access to Searches and Microsoft Live Services 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 CloudBerry Online Backup 1.5 for Windows Home Server Snagit 10 VMware Workstation 7 Acronis Online Backup Sculptris 1.0, 3D Drawing app AceStock, a Tiny Desktop Quote Monitor Gmail Button Addon (Firefox) Hyperwords addon (Firefox) Backup Outlook 2010 Daily Motivator (Firefox)

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• Hybrid Shutdown in Windows 8

  - by Moab

  Referring to this article published September 8, 2011, it gives instructions on how to to do a full (non-hybrid) shutdown in Windows 8 from the command line. We have an option in the UI to revert back to the Windows 7 shutdown/cold boot behavior, or since that’s likely a fairly infrequent thing, you can use the new /full switch on shutdown.exe. From a cmd prompt, run: shutdown /s /full / t 0 to invoke an immediate full shutdown. shutdown /s /full /t 0 I tried this in W8 Enterprise RTM trial, but did not work, so I did a shutdown /? and noticed they have changed the command for a Full shutdown It appears the /s switch now does the full shutdown as explained in the MS article, and the /hybrid switch does the hybrid shutdown for fast startup. Can anyone confirm this change in other RTM versions of Windows 8? Any Microsoft docs on this change are welcome.

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• Meet SQLBI at PASS Summit 2012 #sqlpass

  - by Marco Russo (SQLBI)

  Next week I and Alberto Ferrari will be in Seattle at PASS Summit 2012. You can meet us at our sessions, at a book signing and hopefully watching some other session during the conference. Here are our appointments: Thursday, November 08, 2012, 10:15 AM - 11:45 AM – Alberto Ferrari – Room 606-607 Querying and Optimizing DAX (BIA-321-S) Do you want to learn how to write DAX queries and how to optimize them? Don’t miss this session! Thursday, November 08, 2012, 12:00 PM - 12:30 PM – Bookstore Book signing event at the Bookstore corner with Alberto Ferrari, Marco Russo and Chris Webb Visit the bookstore and sign your copy of our Microsoft SQL Server 2012 Analysis Services: The BISM Tabular Model book. Thursday, November 08, 2012, 1:30 PM - 2:45 PM – Marco Russo – Room 611 Near Real-Time Analytics with xVelocity (without DirectQuery) (BIA-312) What’s the latency you can tolerate for your data? Discover what is the limit in Tabular without using DirectQuery and learn how to optimize your data model and your queries for a near real-time analytical system. Not a trivial task, but more affordable than you might think. Friday, November 09, 2012, 9:45 AM - 11:00 AM Parent-Child Hierarchies in Tabular (BIA-301) Multidimensional has a more advanced support for hierarchies than Tabular, but in reality you can do almost the same things by using data modeling, DAX functions and BIDS Helper!  Friday, November 09, 2012, 1:00 PM - 2:15 PM – Marco Russo – Room 612 Inside DAX Query Plans (BIA-403) Discover the query plan for your DAX query and learn how to read it and how to optimize a DAX query by using these information. If you meet us at the conference, stop us and say hello: it’s always nice to know our readers!

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• Forcing the from address when postfix relays over smtp

  - by John Whitlock

  I'm trying to get email reports from our AWS EC2 instances. We're using Exchange Online (part of Microsoft Online Services). I've setup a user account specifically for SMTP relaying, and I've setup Postfix to meet all the requirements to relay messages through this server. However, Exchange Online's SMTP server will reject messages unless the From address exactly matches the authentication address (the error message is 550 5.7.1 Client does not have permissions to send as this sender). With careful configuration, I can setup my services to send as this user. But I'm not a huge fan of being careful - I'd rather have postfix force the issue. Is there a way to do this?

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• Recovering portion(s) of file with CRC (cyclic redundancy check) errors in Robocopy

  - by Mark A

  Is it possible to recover portions of files with CRC errors? If so, how? I have a partially damaged hard drive (2.5" SATA) that I have partially recovered using Spinrite 6.0 (took 2 weeks to run!). I have been successful in getting many of the files off of the drive using Robocopy . /V /S /E /COPY:DAT /R:1 /W:0, but some of the files get to +/- 90% in Robocopy and then fail with a CRC Data Error (cyclic redundancy check). I am wondering if it is possible to recover the first 90% of the file and try to recover it in a text editor. 1.0% ... 91.0% 91.1% 2010/06/14 18:21:13 ERROR 23 (0x00000017) Copying File F:\Documents and Settings\user\Local Settings\Application Data\Identities\{GUID}\Microsoft\Outlook Express\Mailbox Folder.dbx Data error (cyclic redundancy check). Thanks in advance!

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• Exchange Transport Service Started but not working

  - by Philippe

  Good day, Here is the problem : We are hosting a Microsoft Exchange Server. Everything working fine until recently, where the mail transport seems to go wrong. We almost have to restart the service every morning. The thing is that the transport service is started, but the mail are not delivered to the users and senders to our server get a delayed delivery notification. When we restart the service, all the mail is then delivered to the users and we're good to go for a day or two. Things I've noticed : The store service is growing to around 6 Gb of used RAM, and the w3wp.exe service is hanging around 700mb RAM. Is there a way to schedule a restart of the transport role every 4 hours or something while I'm solving the issue so I don't have to worry when I leave for the week-end? And most of all...does anyone have any idea on how to solve this issue? Thanks, Philippe

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• Make it simple. Make it work.

  - by Sean Feldman

  In 2010 I had an experience to work for a business that had lots of challenges. One of those challenges was luck of technical architecture and business value recognition which translated in spending enormous amount of manpower and money on creating C++ solutions for desktop client w/o using .NET to minimize “footprint” (2#) of the client application in deployment environments. This was an awkward experience, considering that C++ custom code was created from scratch to make clients talk to .NET backend while simple having .NET as a dependency would cut time to market by at least 50% (and I’m downplaying the estimate). Regardless, recent Microsoft announcement about .NET vNext has reminded me that experience and how short sighted architecture at that company was. Investment made into making C++ client that cannot be maintained internally by team due to it’s specialization in .NET have created a situation where code to maintain will be more brutal over the time and  number of developers understanding it will be going and shrinking. Not only that. The ability to go cross-platform (#3) and performance achievement gained with native compilation (#1) would be an immediate pay back. Why am I saying all this? To make a simple point to myself and remind again – when working on a product that needs to get to the market, make it simple, make it work, and then see how technology is changing and how you can adopt. Simplicity will not let you down. But a complex solution will always do.

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