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Code4Noobz

C# – Start any Windows application from code

To start any application by code, it pretty easy: static void Main(string[] args) { var pi = new ProcessStartInfo { FileName = “calc”, //Arguments = “…”, //RedirectStandardOutput = true, UseShellExecute = false //Allows the redirection of the ouput }; var p = Process.Start(pi); } But in that simple case, we could just do: static void […]

C#
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WPF – MVVM – Proxy Binding

Here the purpose is to be able to bind a Command on a Button which is under 2 levels of ItemsControl without using the “Ancestor” stuff. So the classic way of doing this: the following should work : <TextBlock Text=”{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type Window}}, Path=DataContext.Client.Name}” /> But we can do something better and more readable. […]

C#, WPF
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How to kill all user sessions on a DB

Sometimes in SQL you need to delete some rows, delete a Table or the DB. But what if a user is still connected to it. The solution is simple, kill all the sessions on that DB with a simple script: USE master SET NOCOUNT ON DECLARE @DBName varchar(50) DECLARE @spidstr varchar(8000) DECLARE @ConnKilled smallint SET […]

SQL
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WPF MultiBinding

WPF MultiBinding

In WPF, it’s pretty common to display differenct properties of an object as if there where one. Typycally, I have a User, which contains a FirstName and a LastName and I want them both to be displayed as one. <TextBlock> <TextBlock.Text> <MultiBinding StringFormat=”{}{0} ({1})” > <Binding Path=”User.FirstName”></Binding> <Binding Path=”User.LastName”></Binding> </MultiBinding> </TextBlock.Text> </TextBlock> Enjoy!

C#, WPF
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Create a simple REST Web Service: Step 3 – Consume the Service

In my previous post we were talking about how to create a REST web service. But now we want to build a client and consume this service. The address was http://localhost/DbUsersApi.php?action=get_user_list and the result was a JSON file: {“user_list”:[{“userid”:”D3B6F994-1DA5-47FB-8A2A-750A65AAB137″,”firstname”:”Joe”,”lastname”:”Bloggs”},{“userid”:”E19F2EC8-62B9-4C88-84DC-E0D6903177E0″,”firstname”:”John”,”lastname”:”Doe”}]} We will use a simple HTML file with Javascript. Consume the service with Javascript: Create a new file […]

JavaScript, PHP
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Create a simple REST Web Service: Step 2 – PHP Service

In my previous post I was talking about how to install WAMP and create your DataBase. Here we will create a RESTfull web service with PHP. We created our User table with some users in it. Now we want to get this user list in a “universal” way. It means any kind of code could […]

PHP
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Create a simple REST Web Service: Step 1 – DataBase

Context: Here we want to create a REST Web Service using PHP on a WAMPServer. The messages will be formatted as JSON entities. A Web Service is simply some online methods you can access from any kind of code (C#, Java, Javascript, Python …). RESTful web services are light weight, highly scalable and maintainable and […]

PHP
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