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  • Wiki Page: C#: Ensure User only Runs One Copy of a Program

    Using a mutex, you can ensure that multiple users can run a program, but each one can run only one copy of the program. This can come in handy when users are logging into a Citrix server or other shared server, and you don't want to limit the application to running only once. The following...
    on6 Aug 2013

  • Wiki Page: SSAS Tabular Models: The Good, the Bad, the Ugly & the Beautiful

    Table of Contents Overview The Good The Bad The Ugly The Beautiful Overview After working on a couple of serious tabular model projects, I’ve been talking to other BI practitioners lately about their thoughts regarding tabular model technology and I’m finding that there is little consensus among...
    on6 Aug 2013

  • Wiki Page: Custom Calculations for Invoice & Returns Using a PowerPivot DAX Formula

    This is from the thread in the SQL Server PowerPivot for Excel forum. Table of Contents Problem Description Solution Step 1 Step 2 Step 3 Conclusion Problem Description Here's the sample data: STATUS WEEK SALES CUSTOMER INVOICE W01 $150...
    on6 Aug 2013

  • Wiki Page: Currency Conversion in SSAS 2012 (Multidimensional & Tabular)

    Types of Currency Conversion As defined by the Business Intelligence Wizard in Multidimensional, there are 3 types of currency conversion. One-to-many . In this case we store the transactions (for example in the data warehouse) in a single base currency. Even if they originally took place in...
    on6 Aug 2013

  • Wiki Page: An Example of Using Write-Progress in a Long Running SharePoint PowerShell Script

    Ever written a really cool PowerShell script that performs lots of actions, or iterates over hundreds or thousands of items? Wouldn't it be nice to see the status of the script as it's running to get an indication of what it's doing and how long it has to go? You could use Write-Host to...
    on6 Aug 2013

  • Wiki Page: Named Pipes IO for Inter-process Communication

    Introduction Use the .NET 3.5 Named Pipes IO for Inter-process communication by implementing a pipe listener on a separate thread. The first sample is a WPF project. It can also be done just as easily in Windows forms. Description The sample demonstrates how to pass string data from clients...
    on5 Aug 2013

  • Wiki Page: How to Communicate with a Microcontroller or Other Serial Device in VB.Net

    Table of Contents Introduction Microcontrollers (MCUs) Serial Port Pitfalls Using the SerialPort Component "SerialDevice" Code Sample Code Description Usage Example Summary Introduction With today's low-cost electronics and micro-manufacturing techniques the average electronics...
    on4 Aug 2013

  • Wiki Page: Using Custom Code in SSRS Reports for Advanced String Operations

    Overview SQL Services Reporting Services is a very powerful tool and with each new release, it grows in functionality. However many users find that the expression builder functions do not quite do what they need. Fortunately, Microsoft has provided a powerful means of extending the capabilities...
    on3 Aug 2013

  • Wiki Page: Deploy Lookup Field as Site Column

    The basic declaration of a lookup field looks simple and you can reference the List by using the URL of the web where the site column will be deployed to. This can be done according to the documentation as long as the list will be deployed in the same feature as the lookup column. < ? xml version...
    on1 Aug 2013

  • Wiki Page: SharePoint 2010: Resolve Design Changes Without Design Skills and Authentication Problem with WireShark

    A few weeks ago I switched from a client and began a new mission at an International Bank. They have a big SharePoint Platforms with 2 DMZ zones. Here is the technical overview of the SharePoint Platform. Clients, members and other persons can connect to the public SharePoint Internet sites...
    on1 Aug 2013

  • Wiki Page: How to Bypass the Firewall, TMG and Proxy During a Content Crawl in SharePoint Publishing Farm

    This topic is with DMZ and SharePoint Server. For my client I had to configure the Search Service Application for crawling data from the Internal Domain to the DMZ zone. But as explained on my previous posts; you cannot get directly in a DMZ zone because you have to bypass the Firewall, proxy, TMG...
    on1 Aug 2013

  • Wiki Page: SharePoint 2010: Bread Crumb for List/Library View Web Part in Wiki Page.

    Let’s have a look on why we need it first? In SharePoint, if we have large folder hierarchy in list/library (i.e. more than 10 sub levels) and we have added list view web part of that list/library in wiki page then it’s very difficult for end users to navigate through each folder level. Secondly, user...
    on1 Aug 2013

  • Wiki Page: Binding an item inside ItemsControl's DataTemplate to the property on Page DataContext

    Typically in all scenarios we bind the ItemControl's ItemsSource to the collection of Data Model item. Then we configure our DataTemplate Binding to the properties inside Data Model item. However, in this particular scenario MSDN questioner wanted to bind the one UIElement inside DataTemplate to...
    on31 Jul 2013

  • Wiki Page: SharePoint: Uploading (and Resizing) Images to a SharePoint Picture Library via a Webpart

    Getting a file to upload to SharePoint is very easy; essentially it involves adding an asp:FileUpload control to your webpart and adding a button to click on (to upload the selected file!). In this example we're going to create a visual webpart that allows a user to upload an image to SharePoint...
    on30 Jul 2013

  • Wiki Page: SharePoint 2013 Online: Unable to Upload Multiple Documents Using Windows Explorer

    Table of Contents Problem Solution Problem Recently I ran into a problem where I couldn't upload multiple files in a document library of SharePoint 2013 online site using Windows Explorer. When I was clicking on the link 'Upload files using Windows Explorer instead' from the 'Upload...
    on30 Jul 2013

  • Wiki Page: Concatenating Data Column Values Into a Single String

    The Request My dataset returns multiple rows of data for a given grouping with only one field (we will call it Grade) varying across those rows. I want my report to display a single line for a group with all of the values of Grade for that group displayed as a concatenated string in a single cell...
    on27 Jul 2013

  • Wiki Page: Aggregations in SSAS

    Table of Contents Factors to consider during Designing Aggregations Monitoring Aggregations Why Aggregations? Can Anything and Everything be part of Aggregations? Usage Based Aggregations Anyone who is developing an SSAS solution for the first time may expect to see a lightning fast query response...
    on27 Jul 2013

  • Wiki Page: SQL Server: No Fragmentation in HEAP from INSERT / UPDATE

    A HEAP won't be "fragmented" in two cases: - only INSERTS may occur - UPDATES will occur in the attributes with fixed data length (e.g. char ) The following example demonstrates the above mentioned situations: First a simple HEAP will be created: 01. USE tempdb; ...
    on27 Jul 2013

  • Wiki Page: How to Transfer Records from SQL Server to Postgres

    With growing need of BI and ETL firms are always looking for easy means to Load data from one RDBMS to other and SSIS is the best one .In this blog i would be discussing about how to transfer records from SQL Server 2008 R2 to Postgres DB using SSIS. I have never worked with Postgre DB before but as...
    on27 Jul 2013

  • Wiki Page: Small Basic: IDE Colors

    These are text colors and the background color used in Small Basic IDE (Integrated Development Environment). #7777FF for Keywords #800000 for Operators and “the dot between Object and Properties/Events/Operations” #000000 for Variables, Subroutines, Labels and "the brackets...
    on23 Jul 2013

  • Wiki Page: The SEO Friendly SharePoint/ Office 365 Site

    The SEO Friendly SharePoint/ Office 365 Site SharePoint 2013 helps you make your site pages SEO friendly. Now take advantage of OOTB SEO features. This is as easy as the All-In-One SEO pack for your wordpress blog! If not Easier! Search engines rely heavily on page keywords and meta...
    on20 Jul 2013

  • Wiki Page: SharePoint 2010: What Happens Internally When a Web Application is Created

    Table of Contents Web Site Site Collection This is very basic question mostly come across, whenever we create a Web Application from SharePoint Central Administration , what happens exactly behind the scene. This article addresses two basic questions: What exactly happens internally...
    on20 Jul 2013

  • Wiki Page: SharePoint 2013: Branding a Solution as an App

    Branding Solution as APPs in SharePoint 2013 A topic like no other – packaging SharePoint branding as a SharePoint 2013 app. Apps in SharePoint 2013 have been known as a mechanism for some small web part implementations and some other customization . But could you use an app...
    on20 Jul 2013

  • Wiki Page: SharePoint 2010: User Profile Synchronization Proxy in DMZ Zone with One Way Trust

    Table of Contents User Profile installation What is an Arrow in One way Trust So how did we resolve this issue? My client wanted to configure the User Profile Synchronization Service Application for the Collaboration Farm in the DMZ zone. When I wanted to create the User Profile I got a well-known...
    on18 Jul 2013

  • Wiki Page: SharePoint 2013: Best Practices - Checking SharePoint list field NULL value in code

    As a general practice, we tend to check that a SharePoint list column/field isn't null before we try to set/get it (normally just a few fields), but in case you are working on an application where you have a lot of fields to check. You can break your code into a separate class so that you can can...
    on15 Jul 2013
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