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  • T-SQL Tuesday #5: My First Cube

    - by Kalen Delaney
    It's time for the fifth T-SQL Tuesday , managed this time by Aaron Nelson of SQLVariations . Once again, the deadline came up just too quickly, and I'm on the road this week, so my entry will not be too long. Aaron's topic is reporting and in keeping with my past posts, this contribution will include a history lesson. Since I first learned SQL, I've always thought of aggregation as a way of producing simple reports. Summary information was frequently all that was needed on an ongoing basis to see...(read more)

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  • SQL Server v.Next (Denali) : Deriving sets using SEQUENCE

    - by AaronBertrand
    One complaint about SEQUENCE is that there is no simple construct such as NEXT (@n) VALUES FOR so that you could get a range of SEQUENCE values as a set. In a previous post about SEQUENCE , I mentioned that to get a range of rows from a sequence, you should use the system stored procedure sys.sp_sequence_get_range . There are some issues with this stored procedure: the parameter names are not easy to memorize; it requires multiple conversions to and from SQL_VARIANT; and, producing a set from the...(read more)

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  • The SQL Server Reporting Services SDK for PHP Debuts

    - by The Official Microsoft IIS Site
    Microsoft has just released the SQL Server Reporting Services SDK for PHP, which enables PHP developers to easily create reports and integrate them in their web applications. The SDK offers a simple Application Programming Interface to interoperate with SQL Server Reporting Services, Microsoft's Reporting and Business Intelligence solution. Developers will be able to use the SDK to perform common operations like listing reports in PHP applications, providing custom report parameters from a PHP...(read more)

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  • ASP.NET Web API - Screencast series Part 2: Getting Data

    - by Jon Galloway
    We're continuing a six part series on ASP.NET Web API that accompanies the getting started screencast series. This is an introductory screencast series that walks through from File / New Project to some more advanced scenarios like Custom Validation and Authorization. The screencast videos are all short (3-5 minutes) and the sample code for the series is both available for download and browsable online. I did the screencasts, but the samples were written by the ASP.NET Web API team. In Part 1 we looked at what ASP.NET Web API is, why you'd care, did the File / New Project thing, and did some basic HTTP testing using browser F12 developer tools. This second screencast starts to build out the Comments example - a JSON API that's accessed via jQuery. This sample uses a simple in-memory repository. At this early stage, the GET /api/values/ just returns an IEnumerable<Comment>. In part 4 we'll add on paging and filtering, and it gets more interesting.   The get by id (e.g. GET /api/values/5) case is a little more interesting. The method just returns a Comment if the Comment ID is valid, but if it's not found we throw an HttpResponseException with the correct HTTP status code (HTTP 404 Not Found). This is an important thing to get - HTTP defines common response status codes, so there's no need to implement any custom messaging here - we tell the requestor that the resource the requested wasn't there.  public Comment GetComment(int id) { Comment comment; if (!repository.TryGet(id, out comment)) throw new HttpResponseException(HttpStatusCode.NotFound); return comment; } This is great because it's standard, and any client should know how to handle it. There's no need to invent custom messaging here, and we can talk to any client that understands HTTP - not just jQuery, and not just browsers. But it's crazy easy to consume an HTTP API that returns JSON via jQuery. The example uses Knockout to bind the JSON values to HTML elements, but the thing to notice is that calling into this /api/coments is really simple, and the return from the $.get() method is just JSON data, which is really easy to work with in JavaScript (since JSON stands for JavaScript Object Notation and is the native serialization format in Javascript). $(function() { $("#getComments").click(function () { // We're using a Knockout model. This clears out the existing comments. viewModel.comments([]); $.get('/api/comments', function (data) { // Update the Knockout model (and thus the UI) with the comments received back // from the Web API call. viewModel.comments(data); }); }); }); That's it! Easy, huh? In Part 3, we'll start modifying data on the server using POST and DELETE.

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  • The embarrassingly obvious about SQL Server CE

    - by Edward Boyle
    I have been working with SQL servers in one form or another for almost two decades now. But I am new to SQL Server Compact Edition. In the past weeks I have been working with SQL Serve CE a lot. The SQL, not a problem, but the engine itself is very new to me. One of the issues I ran into was a simple SQL statement taking excusive amounts of time; by excessive, I mean over one second. I wrote a little code to time the method. Sometimes it took under one second, other times as long as three seconds. –But it was a simple update statement! As embarrassing as it is, why it was slow eluded me. I posted my issue to MSDN and I got a reply from ErikEJ (MS MVP) who runs the blog “Everything SQL Server Compact” . I know little to nothing about SQL Server Compact. This guy is completely obsessed very well versed in CE. If you spend any time in MSDN forums, it seems that this guy single handedly has the answer for every CE question that comes up. Anyway, he said: “Opening a connection to a SQL Server Compact database file is a costly operation, keep one connection open per thread (incl. your UI thread) in your app, the one on the UI thread should live for the duration of your app.” It hit me, all databases have some connection overhead and SQL Server CE is not a database engine running as a service drinking Jolt Cola waiting for someone to talk to him so he can spring into action and show off his quarter-mile sprint capabilities. Imagine if you had to start the SQL Server process every time you needed to make a database connection. Principally, that is what you are doing with SQL Server CE. For someone who has worked with Enterprise Level SQL Servers a lot, I had to come to the mental image that my Open connection to SQL Server CE is basically starting a service, my own private service, and by closing the connection, I am shutting down my little private service. After making the changes in my code, I lost any reservations I had with using CE. At present, my Data Access Layer class has a constructor; in that constructor I open my connection, I also have OpenConnection and CloseConnection methods, I also implemented IDisposable and clean up any connections in Dispose(). I am still finalizing how this assembly will function. – That’s beside the point. All I’m trying to say is: “Opening a connection to a SQL Server Compact database file is a costly operation”

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  • Install OpenOffice for headless use

    - by Subhransu
    The question very simple and short. I am following this article to install OpenOffice headless: sudo apt-get install openoffice.org-headless openoffice.org-writer openoffice.org-draw And I get the following error : Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package openoffice.org-headless E: Couldn't find any package by regex 'openoffice.org-headless' UPDATE: apt-cache search openoffice.org output: http://pastebin.ubuntu.com/1262902/

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  • Le Mac App Store d'ici quelques jours : La simplicité de l'installation et de la mise à jour, par Florent Morin

    Durant l'événement "Back To Mac", Steve Jobs nous a promis l'ouverture prochaine du Mac App Store. Le concept est simple : concevoir un équivalent de l'App Store iOS sur Mac OS X. Pour en savoir plus : http://kaelisoft.developpez.com/tuto...mac/app-store/ Et vous : Croyez-vous au succès du Mac App Store ? Va-t-il contribuer au succès du Mac ? En qualité d'utilisateur : La validation du contenu par Apple vous rassure-t-e...

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  • Friday Fun: Factory Balls – Christmas Edition

    - by Asian Angel
    Your weekend is almost here, but until the work day is over we have another fun holiday game for you. This week your job is to correctly decorate/paint the ornaments that go on the Christmas tree. Simple you say? Maybe, but maybe not! Factory Balls – Christmas Edition The object of the game is to correctly decorate/paint each Christmas ornament exactly as shown in the “sample image” provided for each level. What starts off as simple will quickly have you working to figure out the correct combination or sequence to complete each ornament. Are you ready? The first level serves as a tutorial to help you become comfortable with how to decorate/paint the ornaments. To move an ornament to a paint bucket or cover part of it with one of the helper items simply drag the ornament towards that area. The ornament will automatically move back to its’ starting position when the action is complete. First, a nice coat of red paint followed by covering the middle area with a horizontal belt. Once the belt is on move the ornament to the bucket of yellow paint. Next, you will need to remove the belt, so move the ornament back to the belt’s original position. One ornament finished! As soon as you complete decorating/painting an ornament, you move on to the next level and will be shown the next “sample Image” in the upper right corner. Starting with a coat of orange paint sounds good… Pop the little serrated edge cap on top… Add some blue paint… Almost have it… Place the large serrated edge cap on top… Another dip in the orange paint… And the second ornament is finished. Level three looks a little bit tougher…just work out your pattern of helper items & colors and you will definitely get it! Have fun decorating/painting those ornaments! Note: Starting with level four you will need to start using a combination of two helper items combined at times to properly complete the ornaments. Play Factory Balls – Christmas Edition Latest Features How-To Geek ETC The Complete List of iPad Tips, Tricks, and Tutorials 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 Exploring the Jungle Ruins Wallpaper Protect Your Privacy When Browsing with Chrome and Iron Browser Free Shipping Day is Friday, December 17, 2010 – National Free Shipping Day Find an Applicable Quote for Any Programming Situation Winter Theme for Windows 7 from Microsoft Score Free In-Flight Wi-Fi Courtesy of Google Chrome

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  • Windows Azure Use Case: Fast Acquisitions

    - by BuckWoody
    This is one in a series of posts on when and where to use a distributed architecture design in your organization's computing needs. You can find the main post here: http://blogs.msdn.com/b/buckwoody/archive/2011/01/18/windows-azure-and-sql-azure-use-cases.aspx  Description: Many organizations absorb, take over or merge with other organizations. In these cases, one of the most difficult parts of the process is the merging or changing of the IT systems that the employees use to do their work, process payments, and even get paid. Normally this means that the two companies have disparate systems, and several approaches can be used to have the two organizations use technology between them. An organization may choose to retain both systems, and manage them separately. The advantage here is speed, and keeping the profit/loss sheets separate. Another choice is to slowly “sunset” or stop using one organization’s system, and cutting to the other system immediately or at a later date. Although a popular choice, one of the most difficult methods is to extract data and processes from one system and import it into the other. Employees at the transitioning system have to be trained on the new one, the data must be examined and cleansed, and there is inevitable disruption when this happens. Still another option is to integrate the systems. This may prove to be as much work as a transitional strategy, but may have less impact on the users or the balance sheet. Implementation: A distributed computing paradigm can be a good strategic solution to most of these strategies. Retaining both systems is made more simple by allowing the users at the second organization immediate access to the new system, because security accounts can be created quickly inside an application. There is no need to set up a VPN or any other connections than just to the Internet. Having the users stop using one system and start with the other is also simple in Windows Azure for the same reason. Extracting data to Azure holds the same limitations as an on-premise system, and may even be more problematic because of the large data transfers that might be required. In a distributed environment, you pay for the data transfer, so a mixed migration strategy is not recommended. However, if the data is slowly migrated over time with a defined cutover, this can be an effective strategy. If done properly, an integration strategy works very well for a distributed computing environment like Windows Azure. If the Azure code is architected as a series of services, then endpoints can expose the service into and out of not only the Azure platform, but internally as well. This is a form of the Hybrid Application use-case documented here. References: Designing for Cloud Optimized Architecture: http://blogs.msdn.com/b/dachou/archive/2011/01/23/designing-for-cloud-optimized-architecture.aspx 5 Enterprise steps for adopting a Platform as a Service: http://blogs.msdn.com/b/davidmcg/archive/2010/12/02/5-enterprise-steps-for-adopting-a-platform-as-a-service.aspx?wa=wsignin1.0

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  • CodePlex Daily Summary for Monday, May 03, 2010

    CodePlex Daily Summary for Monday, May 03, 2010New Projects.radiko: エアログラス採用のシンプルなradiko(http://radiko.jp/)クライアントです。タスクトレイのアイコンからラジオ局の切り替えができます。7Scale: EmptyB2C MVC Plattform: The B2C MVC Plattform aims to be pluggable site framework to help small busisness accomplish basic tasks between business and customers.ElValWeb: The goal of the project to create full featured implementation of ModelValidatorProvider for Enterprise Library Application Validation Block, wich ...esatis yazilimi: asp.net yazılımı ile satış magazasi websitesi kur.IEnumerable.It sample code: IEnumerable.It sample codejQuery MicroAjax for ASP.NET: MicroAjax is a set of jQuery plugins and .NET components designed to provide simple, powerful and efficient Ajax centric web application design pat...Karbon VOS: Karbon VOS is an advanced Virtual Operating System Template for Visual Basic Express. It's developed in Visual Basic. Karbon VOS hopes to one day b...LINQ Mapper: LINQ Mapper translates simple LINQ queries between different sources. It allows you to write queries against your domain model, but have them run ...Meccano Silverlight Framework: Meccano is a new generation of frameworks for creation of LOB Silverlight applications based on MEF, RX, WCF, ADO.NET Data Services etc. It is inte...Multiuse Model View (MMV) Library: This project is an open source library for the Multiuse Model View (MMV) pattern for building robust WPF and ASP.Net applications. Visit my blog ht...Process Affinity Control: Process Affinity Control allows to set the affinity masks of processes based on rules.SilverSpatial: This project helps bridge the gap between Silverlight and Geo-Spatial data type (such as SQL Spatial). It implements the Well-Known-Binary (WKB) fo...StageAssets: Application for storing data about "things" and people in theatre. For example equipment, actors and so on.Stratosphere: Mono compatible library with set of primitives to work with scalable table, queue and block containers with corresponding implementations for Amazo...TRX Web-Viewer: A simple web-based application to upload and view VSTS 2008 and VSTS 2010 test result files with some basic lookup and feature-wise management of r...WDT2: WDT 2 is the school project to begin learning .NET enviroment, The main focus is on learning the use of almost all the componenets.WPF Behavior Library: WPF Behavior Library is a set of additional actions for WPF that allow you to add extra behaviors to a control quickly and easily. Currently the on...YouTubeEmbeddedVideo WebControl for ASP.NET: A Control to embed YouTube videos in ASP.NET pages. Works in C# and VB.NETNew Releases.radiko: beta: 東京局のみ対応 あとは手抜きActiveWorlds Managed .NET SDK: AwManaged Technology Preview - WIN32 (Alpha): This WIN32 release contains the Server Console Application. The Setup executable should be run as administrator on O.S. using UAC (Vista/Win7)AJAX Control Framework: v1.0.1.0: v1.0.1.0 - Contains a Bing Maps sample project, a number of bug fixes and a few performance improvements. - AJAX enable ANY custom control that der...App_Code (and Usercontrol) Editor (ACE): v1.0.0 alpha: The first alpha release of the AppCode Editor for Umbraco 4.0.3 is now available to download! Tested to work with usercontrols - pre-compilation wi...ElValWeb: ElValWeb 0.0.1.0: Version 0.0.1.0 contains client validation support forAndCompositeValidator ContainsCharactersValidator DomainValidator NotNullValidator Or...esatis yazilimi: magaza: magazanın yazılımları ve veri tabanının yazılımlarıGrunty OS: Grunty OS USB: Download Grunty OS for USBGrunty OS: Grunty OS.ISO: Grunty OS ISOKarbon VOS: Milestone 1 (Kaptua): Milestone 1...Live Meeting API Wrapper: LiveMeetingAPIWrapperV1.2: Added get meeting and update meeting.Multiuse Model View (MMV) Library: v0.3: first alpha release. Medium amount of functionality and some use cases tested.MVC Foolproof Validation: Beta 0.9.3774: Adds resource provided error messages, regular expression operators and a new RegularExpressionIf attribute.Process Affinity Control: Version 1.0.0: This is the first release. Planned features for the next release: No administrative privileges needed to run the manager Select the active scena...SharePoint 2010 Service Manager: SharePoint 2010 Service Manager 1.1: Added support to run under UAC with automatic security elevationSharePoint Event Handler Manager: Event Handler Manager 2.0: Please download the application here: http://www.ackermantech.com/registerevents.aspxSkyDrive Synchronizer: SkyDrive Sync Beta 0.1: Beta release includes: Upload and download Synchronize updated files Delete files on web/locally if not in source Split larger files into sma...Stratosphere: Stratosphere 1.0.0.0: Initial beta releaseSuggested Resources for .NET Developers: 0.8.0.0 VS2010 - focus on displaying content: This is the first release of Suggested Resources that can be downloaded from the internet. While there is still a lot of work to be done this rele...TRX Web-Viewer: TRX Web-Viewer V1.0: First working versionVCC: Latest build, v2.1.30502.0: Automatic drop of latest buildWatchersNET.TagCloud: WatchersNET.TagCloud 01.04.00: !Whats New New Tag Mode: Search Referrers (Shows Search Tags From Google, Ask, Bing, Yahoo and the Dnn Site Search) Taxonomy Tags now contains L...Web/Cloud Applications Development Framework | Visual WebGui: 6.4 Beta 2e: Fully featured beta version of Visual WebGui Web/Cloud Applicaiton Development FrameworkWPF Behavior Library: WPF Behavior Library 0.1 Release: First alpha release of the WPF Behavior Library. It should be stable but doesn't have all of the features it will have in the future and the API ma...xvanneste: Sharepoint Social Network Client: Client permettant d'avoir accés au social network de sharepoint a l'exterieur du navigateur.Most Popular ProjectsRawrWBFS ManagerAJAX Control Toolkitpatterns & practices – Enterprise LibraryMicrosoft SQL Server Product Samples: DatabaseSilverlight ToolkitWindows Presentation Foundation (WPF)iTuner - The iTunes CompanionASP.NETDotNetNuke® Community EditionMost Active ProjectsIonics Isapi Rewrite Filterpatterns & practices – Enterprise LibraryRawrHydroServer - CUAHSI Hydrologic Information System ServerAJAX Control Frameworkpatterns & practices: Azure Security GuidanceTinyProjectBlogEngine.NETNB_Store - Free DotNetNuke Ecommerce Catalog ModuleDambach Linear Algebra Framework

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  • How can I respond to mouse events in AS3?

    - by Gabriel Meono
    Background: Trying to make a simple "drop the ball" game. The code is located inside the first frame of the timeline. Nothing more is on the stage. Issue: Using QuickBox2D I made a simple If statement that drops and object acording the Mouse-x position: if (MouseEvent.CLICK) { sim.addCircle({x:mouseX, y:1, radius:0.25, density:5}); I imported the MouseEvent library: import flash.events.MouseEvent; Nothing happens if I click, no output errors either. See it in action: http://gabrielmeono.com/download/Lucky_Hit_Alpha.swf http://gabrielmeono.com/download/Lucky_Hit_Alpha.fla Full Code: [SWF(width = 350, height = 600, frameRate = 60)] import com.actionsnippet.qbox.*; import flash.events.MouseEvent; var sim:QuickBox2D = new QuickBox2D(this); sim.createStageWalls(); //var ball:sim.addCircle({x:mouseX, y:1, radius:0.25, density:5}); // // make a heavy circle sim.addCircle({x:3, y:1, radius:0.25, density:5}); sim.addCircle({x:2, y:1, radius:0.25, density:5}); sim.addCircle({x:4, y:1, radius:0.25, density:5}); sim.addCircle({x:5, y:1, radius:0.25, density:5}); sim.addCircle({x:6, y:1, radius:0.25, density:5}); // create a few platforms sim.addBox({x:3, y:2, width:4, height:0.2, density:0, angle:0.1}); // make 26 dominoes for (var i:int = 0; i<7; i++){ //End sim.addCircle({x:1 + i * 1.5, y:16, radius:0.1, density:0}); sim.addCircle({x:2 + i * 1.5, y:15, radius:0.1, density:0}); //Mid end sim.addCircle({x:0 + i * 2, y:14, radius:0.1, density:0}); sim.addCircle({x:0 + i * 2, y:13, radius:0.1, density:0}); sim.addCircle({x:0 + i * 2, y:12, radius:0.1, density:0}); sim.addCircle({x:0 + i * 2, y:11, radius:0.1, density:0}); sim.addCircle({x:0 + i * 2, y:10, radius:0.1, density:0}); //Middle Start sim.addCircle({x:0 + i * 1.5, y:09, radius:0.1, density:0}); sim.addCircle({x:1 + i * 1.5, y:08, radius:0.1, density:0}); sim.addCircle({x:0 + i * 1.5, y:07, radius:0.1, density:0}); sim.addCircle({x:1 + i * 1.5, y:06, radius:0.1, density:0}); } if (MouseEvent.CLICK) { sim.addCircle({x:mouseX, y:1, radius:0.25, density:5}); sim.start(); /*sim.mouseDrag();*/ }

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  • Silverlight Cream for March 10, 2010 - 2 -- #811

    - by Dave Campbell
    In this Issue: AfricanGeek, Phil Middlemiss, Damon Payne, David Anson, Jesse Liberty, Jeremy Likness, Jobi Joy(-2-), Fredrik Normén, Bobby Diaz, and Mike Taulty(-2-). Shoutouts: Shawn Wildermuth blogged that they posted My "What's New in Silverlight 3" Video from 0reDev Last Fall Shawn Wildermuth also has a post up for his loyal followers: Where to See Me At MIX10 Jonas Follesø has presentation materials up as well: MVVM presentation from NDC2009 on Vimeo Adam Kinney updated his Favorite Tool and Library Downloads for Silverlight From SilverlightCream.com: Styling Silverlight ListBox with Blend 3 In his latest Video Tutorial, AfricanGeek is animating the ListBox control by way of Expression Blend 3. Animating the Silverlight Opacity Mask Phil Middlemiss has written a Behavior that lets you turn a FrameworkElement into an opacity mask for it's parent container... check out his tutorial and grab the code. AddRange for ObservableCollection in Silverlight 3 Damon Payne has a post up discussing the problem with large amounts of data in an ObservableCollection, and how using AddRange is a performance booster. Easily rotate the axis labels of a Silverlight/WPF Toolkit chart David Anson blogged a solution to rotating the axis labels of a Silverlight and WPF chart. Persisting the Configuration (Updated) Jesse Liberty has a good discussion on the continuation of his HyperVideo Platform talking about what all he is needing from the database in the form of configuration information... including the relationships. Animations and View Models: IAnimationDelegate Check out Jeremy Likness' IAnimationDelegate that lets your ViewModel fire and respond to animations without having to know all about them. Button Style - Silverlight Jobi Joy converted a WPF control template into Silverlight... and you'll want to download the XAML he's got for this :) A Simple Accordion banner using ListBox Jobi Joy also has an Image Accordian created in Expression Blend... and it's a 'drop this XAML in your User Control' kinda thing... again, go grab the XAML :) WCF RIA Services Silverlight Business Application – Using ASP.NET SiteMap for Navigation Fredrik Normén has a code-laden post up on RIA Services and the ASP.NET SiteMap. He is using the Silverlight Business app template that comes with WCF RIA Services. A Simple, Selectable Silverlight TextBlock (sort of)... Bobby Diaz shares with us his solution for a Text control that can be copied from in the same manner 'normal' web controls can be. He also includes a link to another post on the same topic. Silverlight 4 Beta Networking. Part 11 - WCF and TCP Mike Taulty has another pair of video tutorials up in his Networking series. This one is on WCF over TCP Silverlight 4 Beta Networking. Part 12 - WCF and Polling HTTP Mike Taulty's 12th networking video tutorial is on WCF with HTTP polling duplex. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    MIX10

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  • Why Doesn’t Partition Elimination Work?

    - by Paul White
    Given a partitioned table and a simple SELECT query that compares the partitioning column to a single literal value, why does SQL Server read all the partitions when it seems obvious that only one partition needs to be examined? Sample Data The following script creates a table, partitioned on the char(3) column ‘Div’, and populates it with 100,000 rows of data: USE Sandpit; GO CREATE PARTITION FUNCTION PF ( char (3)) AS RANGE RIGHT FOR VALUES ( '1' , '2' , '3' , '4' , '5' , '6' , '7' , '8' , '9'...(read more)

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  • Microsoft F#

    - by Aamir Hasan
    F# brings you type safe, succinct, efficient and expressive functional programming language on the .NET platform. It is a simple and pragmatic language, and has particular strengths in data-oriented programming, parallel I/O programming, parallel CPU programming, scripting and algorithmic development. F# cannot solve any problem C# could. F# is a functional language, statically typed. F# is a functional language that supports O-O-Programming References:http://msdn.microsoft.com/en-us/fsharp/cc835246.aspx http://research.microsoft.com/en-us/um/cambridge/projects/fsharp/

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  • Install OOo for headless use

    - by Subhransu
    The question very simple and short. I am following this article to install OpenOfficle headless: sudo apt-get install openoffice.org-headless openoffice.org-writer openoffice.org-draw And I get the following error : Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package openoffice.org-headless E: Couldn't find any package by regex 'openoffice.org-headless'

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  • I need a step-by-step Sample Programming Tutorial (book or website)

    - by Albert Y.
    Can anyone recommend a step-by-step programming tutorial (either book or website) where they walk you through designing a complex program and explain what they are coding & why? Language doesn't matter, but preferably something like Java, Python, C++, or C and not web based. I am a new programmer and I am looking for good examples that will teach me how to program something more complex than simple programs given in programming textbooks.

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  • IIS SEO Toolkit and W3C Validation Service

    - by The Official Microsoft IIS Site
    One thing that I’ve been asked several times about the SEO Toolkit is if it does a full standards validation on the markup and content that is processed, and if not, to add support for more comprehensive standards validation, in particular XHTML and HTML 4.01. Currently the markup validation performed by the SEO Toolkit is really simple, its main goal is to make sure that the markup is correctly organized, for example that things like <b><i>Test</b></i> are not found in the...(read more)

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  • Do unit tests sometimes break encapsulation?

    - by user1288851
    I very often hear the following: "If you want to test private methods, you'd better put that in another class and expose it." While sometimes that's the case and we have a hiding concept inside our class, other times you end up with classes that have the same attributes (or, worst, every attribute of one class become a argument on a method in the other class) and exposes functionality that is, in fact, implementation detail. Specially on TDD, when you refactor a class with public methods out of a previous tested class, that class is now part of your interface, but has no tests to it (since you refactored it, and is a implementation detail). Now, I may be not finding an obvious better answer, but if my answer is the "correct", that means that sometimes writting unit tests can break encapsulation, and divide the same responsibility into different classes. A simple example would be testing a setter method when a getter is not actually needed for anything in the real code. Please when aswering don't provide simple answers to specific cases I may have written. Rather, try to explain more of the generic case and theoretical approach. And this is neither language specific. Thanks in advance. EDIT: The answer given by Matthew Flynn was really insightful, but didn't quite answer the question. Altough he made the fair point that you either don't test private methods or extract them because they really are other concern and responsibility (or at least that was what I could understand from his answer), I think there are situations where unit testing private methods is useful. My primary example is when you have a class that has one responsibility but the output (or input) that it gives (takes) is just to complex. For example, a hashing function. There's no good way to break a hashing function apart and mantain cohesion and encapsulation. However, testing a hashing function can be really tough, since you would need to calculate by hand (you can't use code calculation to test code calculation!) the hashing, and test multiple cases where the hash changes. In that way (and this may be a question worth of its own topic) I think private method testing is the best way to handle it. Now, I'm not sure if I should ask another question, or ask it here, but are there any better way to test such complex output (input)? OBS: Please, if you think I should ask another question on that topic, leave a comment. :)

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  • Using ExcelPacke to create Excel sheets on server

    - by DigiMortal
    In one of my community projects I needed to output some listings as Excel file. As installing Excel to server is non-sense that I was easily able to avoid I found simple solution for Excel 2007 files – open-source project called ExcelPackage. In this posting I will show you hot to create simple event attendees report in Excel 2007 format using ExcelPackage. Cautions Although ExcelPackage works well for me here are some things you should be aware of. ExcelPackage needs file system access because compression library it uses is designed so. There is only very old source code available and it is published under GPL. So if you are writing application to your customers then you cannot use this library unless you make your whole application open-source. ExcelPackage has also some technical problems and it is not very easy to use in simple cases. Authors have not provided any new releases since the beginning of 2007 so I have good reason to consider this project as abandoned. You may find the extensive package EPPlus also useful as there are new versions coming over time. EPPlus is also published under GPL (because ExcelPackage is under GPL), so you can use it only on very limited manner. If you don’t afraid some s*itfight with technology and GPL is okay for your system then let’s go on. Exporting event attendees list to Excel Suppose we have list with event attendees and we want to export it to Excel. We are behaving normally and we don’t install Excel desktop software to our web server. Here is the code. void ExportToExcel(Event evt) {     var fileInfo = new FileInfo(Path.GetTempPath() + "\\" +                                  DateTime.Now.Ticks + ".xlsx");       using (var xls = new ExcelPackage(fileInfo))     {         var sheet = xls.Workbook.Worksheets.Add(evt.Title);           sheet.Cell(1, 1).Value = "First name";         sheet.Cell(1, 2).Value = "Last name";         sheet.Cell(1, 3).Value = "E-mail";         sheet.Cell(1, 4).Value = "Phone";         sheet.Cell(1, 5).Value = "Registered";         sheet.Cell(1, 6).Value = "Live Meeting";           var i = 1;         foreach(var attendee in evt.Attendees)         {             i++;               var profile = attendee.Profile;             sheet.Cell(i, 1).Value = profile.FirstName;             sheet.Cell(i, 2).Value = profile.LastName;             sheet.Cell(i, 3).Value = profile.Email;             sheet.Cell(i, 4).Value = profile.Phone;             sheet.Cell(i, 5).Value = att.Created.ToString();             sheet.Cell(i, 6).Value = att.LiveMeeting.ToString();         }           xls.Save();      }       Response.Clear();     Response.ContentType = "application/vnd.openxmlformats";     Response.AddHeader("Content-Disposition",                        "attachment; filename=" + fileInfo.Name);     Response.WriteFile(fileInfo.FullName);     Response.Flush();       if (fileInfo.Exists)         fileInfo.Delete(); } And here is the result. Although it is possible to make this list more effective and nice it works and users can start using it until all the nice bells and whistles are coming. Conclusion After some fighting with technology it was not very hard to get nice Excel 2007 sheets coming out from our server. We used ExcelPackage library to create list of event attendees and our event organizers can now simply download data to Excel if they need to contact with attendees or manage their data using Excel tools.

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  • Création d'une application « Hello World » dans Visual Studio Lightswitch, un article d'Avkash Chauhan, traduit par Deepin Prayag

    Citation: Visual Studio LightSwitch 2011 propose des « starter kits » et des options de déploiement flexibles qui vous aident à créer et à facilement publier des applications métier personnalisées à l'aspect professionnel et distingué, sans nécessité de code. Visual Studio LightSwitch propose une manière simple de développer des applications métier de type bureau ou Cloud. LightSwitch gère toute la plomberie pour vous, afin que vous puissiez vous concentrer sur la création de valeurs métier. Partie 1 :

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  • Stocks with Ext JS Charts

    An example to display stock indexes in an Ext JS chart. Including an introduction to Ext JS, a simple introductory Ext JS example, and an introduction to the new charts feature. Concludes with a more comprehensive demo showing some more of Ext’s features.

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  • 24+ Coda Alternatives for Windows and Linux

    - by Matt
    Coda plays an important role in designing layout on Mac. There are numerous coda alternatives for windows and Linux too. It is not possible to describe each and everyone so some of the coda alternatives, which work on both windows and Linux platforms, are discussed below. EditPlus $35.00 Good thing about EditPlus is that it highlights URLs and email addresses, activating them when you ‘crtl + double-click’. It also has a built in browser for previewing HTML, and FTP and SFTP support. Also supports Macros and RegEx find and replace. UltraEdit $49.99 It is another good coda alternative for windows and Linux. It is the best suited editor for text, HTML and HEX. It also plays an advanced PHP, Perl, Java and JavaScript editor for programmers. It supports disk-based 64-bit or standard file handling on 32-bit Windows platforms or window 2000 and later versions. HippoEdit $39.95 HippoEDIT has the best autocomplete it gives pop a ‘tooltip’ above your cursor as you type, suggesting words you’ve already typed. It does syntax highlighting for over 2 dozen language. Sublime Text $59.00 Sublime Text awesome ‘zoomed out’ view of the file lets you focus on the area you want. It lets you open a local file when you right-click on its link, and there are a few automation features, so this would make a solid choice of a text editor. Textpad $24.70 TextPad is simple editor with nifty features such as column select, drag-and-drop text between files, and hyperlink support. It also supports large files. Aptana Free Aptana Studio is one of the best editors working on both windows and Linux. It is a complete web development setting that has a nice blend of powerful authoring tools with a collection of online hosting and collaboration services. It is quite helpful as it support for PHP, CSS, FTP, and more. SciTE Free It is a SCIntilla based Text Editor. It has gradually developed as a generally useful editor. It provides for building and running programs. It is best to be used for jobs with simple configurations. SciTE is currently available for Intel Win32 and Linux compatible operating systems with GTK+. It has been run on Windows XP and on Fedora 8 and Ubuntu 7.10 with GTK+ 2.12 E Text Editor $34.96 E Text Editor is a new text editor for Windows, which also works on Linux as well. It has powerful editing features and also some unique abilities. It makes text manipulation quite fast and easy, and makes user focus on his writing as it automatically does all the manual work. It can be extend it in any language. It supports Text Mate bundles, thus allows the user to tap into a huge and active community. Editra Free Editra is an upcoming editor, with some fantastic features such as user profiles, auto-completion, session saving, and syntax highlighing for 60+ languages. Plugins can extend the feature set, offering an integrated python console, FTP client, file browser, and calculator, among others. PSPad Free PSPad is a good Template for writing CSS, as it an internal web browser, and a macro recorder to the table. It also supports hex editing, and some degree of code compiling. JEdit Free It is a mature programmer’s text editor and has taken a good deal of time to be developed as it is today. It is better than many costlier development tools due to its features and simplicity of use. It has been released as free software with full source code, provided under the terms of the GPL 2.0. Which also adds to its attractiveness. NEdit Free It is a multi-purpose text editor for the X Window System, which also works on Linux. It combines a standard, easy to use, graphical user interface with the full functionality and stability required by users who edit text for long period a day. It also provides for thorough support for development in various languages. It also facilitates the use of text processors, and other tools at the same time. It can be used productively by anyone who needs to edit text. It is quite a user-friendly tool. Its salient features include syntax highlighting with built in pattern, auto indent, tab emulation, block indentation adjustment etc. As of version 5.1, NEdit may be freely distributed under the terms of the GNU General Public License. MadEdit Free Mad Edit is an Open-Source and Cross-Platform Text/Hex Editor. It is written in C++ and wxWidgets. MadEdit can edit files in Text/Column/Hex modes. It also supports many useful functions, such as Syntax Highlighting, Word Wrap, Encoding for UTF8/16/32,and others. It also supports word count, which makes it quite a useful text editor for both windows and Linux. It has been recently modified on 10/09/2010. KompoZer Free Kompozer is a complete web authoring system that has a combination of web file management and easy-to-use WYSIWYG web page editing. KompoZer has been designed to be completely and extensively easy to use. It is thus an ideal tool for non-technical computer users who want to create an attractive, professional-looking web site without knowing HTML or web coding. It is based on the NVU source code. Vim Free Vim or “Vi IMproved” is an advanced text editor. Its salient features are syntax highlighting, word completion and it also has a huge amount of contributed content. Vim has several “modes” on offer for editing, which adds to the efficiency in editing. Thus it becomes a non-user-friendly application but it is also strength for its users. The normal mode binds alphanumeric keys to task-oriented commands. The visual mode highlights text. More tools for search & replace, defining functions, etc. are offered through command line mode. Vim comes with complete help. NotePad ++ Free One of the the best free text editor for Windows out there; with support for simple things—like syntax highlighting and folding—all the way up to FTP, Notepad++ should tick most of the boxes Notepad2 Free Notepad2 is also based on the Scintilla editing engine, but it’s much simpler than Notepad++. It bills itself as being fast, light-weight, and Notepad-like. Crimson Editor Free Crimson Editor has the ability to edit remote files, using a built-in FTP client; there’s also a spell checker. TotalEdit Free TotalEdit allows file comparison, RegEx search and replace, and has multiple options for file backup / versioning. For cleanup, it offers (X)HTML and XML customizable formatting, and a spell checker. In-Type Free ConTEXT Free SourceEdit Free SourceEdit includes features such as clipboard history, syntax highlighting and autocompletion for a decent set of languages. A hex editor and FTP client. RJ TextED Free RJ TextED supports integration with TopStyle Lite. Provides HTML validation and formatting. It includes an FTP client, a file browser, and a code browser, as well as a character map and support for email. GEDIT Free It is one of the best coda alternatives for windows and Linux. It has syntax highlighting and is best suitable for programming. It has many attractive features such as full support for UTF-8, undo/redo, and clipboard support, search and replace, configurable syntax highlighting for various languages and many more supportive features. It is extensible with plug ins. Other important coda alternatives for windows and Linux are Redcar, Bluefish Editor, NVU, Ruby Mine, Slick Edit, Geany, Editra, txt2html and CSSED. There are many more. Its up to user to decide which one suits best to his requirements. Related posts:10 Useful Text Editor For Developer Applications to Install & Run Windows on Linux Open Source WYSIWYG Text Editors

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  • Dependently typed language best suited to “real world” programming?

    - by Kim
    Which dependently typed programming languages could be used for real world application development? I will mostly be writing toy applications at first, after that maybe web development or a simple DBMS. These are some points, that I think are important: documentation example programs a good/big standard library an easy to use foreign function interface a community of people using the language for real world tasks tool support

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