Author Archives: Laszlo Pinter

No connection string named ‘…’ could be found in the application config file.

Two-tier applications separate the presentation layer and the data layer, and all database access related objects are located in the data-tier. When the application runs, the config file of the main project is read. In web applications, it is the web.config, in console applications the app.config file. When you get the following runtime exception Exception thrown: ‘System.InvalidOperationException’ in …

Continue reading “No connection string named ‘…’ could be found in the application config file.”

delimited by end-of-file (wanted `EOF’)

When you create a file in a script and use an end of file delimiter, if … cat <<EOF> $chef_dir/attrib.json $json EOF fi and you indent the word EOF to look nicer, you will get the error message warning: here-document at line … delimited by end-of-file (wanted `EOF’) STDERR> …: line …: syntax error: unexpected end of file …

Continue reading “delimited by end-of-file (wanted `EOF’)”

could not find filename for attribute .DS_Store in cookbook

The Macintosh workstation saves application states in .DS_Store files. When you edit your Chef cookbooks the MacOS leaves these files in many folders. When the Chef cookbook is executed, the Chef Client reads all files in the attributes folder and tries to extract values from them. If the .DS_Store file is uploaded with the rest of …

Continue reading “could not find filename for attribute .DS_Store in cookbook”

NotSupportedException: Unable to determine the provider name for provider factory of type ‘MySql.Data.MySqlClient.MySqlClientFactory’. Make sure that the ADO.NET provider is installed or registered in the application config

In a two-tier web application, the data layer is in a separate project. This allows better separation between the presentation layer and the data layer. This way you can reuse the data project in another application that targets the same database. To access a MySql database you need to add the MySql.Data and MySql.Data.Entity NuGet packages to …

Continue reading “NotSupportedException: Unable to determine the provider name for provider factory of type ‘MySql.Data.MySqlClient.MySqlClientFactory’. Make sure that the ADO.NET provider is installed or registered in the application config”

Configure the ASP.NET MVC 5 web application to use an external database for user authentication

When a new ASP.NET web application is created with the authentication set to Individual User Accounts, it automatically creates an SQL Express internal database in the App_Data directory of the application when you register the first user. To create the ASP.NET web application with user authentication see Create an ASP.NET Web Application with user authentication This is sufficient …

Continue reading “Configure the ASP.NET MVC 5 web application to use an external database for user authentication”

Create an ASP.NET MVC 5 Web Application with user authentication

To create a new ASP .NET MVC web application that contains user authentication code In the File menu of Visual Studio select New, Project… On the left select Visual C#, Web, and in the middle select ASP.NET Web Application (.NET Framework) Enter the Name, select the solution folder location and click OK. The solution name …

Continue reading “Create an ASP.NET MVC 5 Web Application with user authentication”

Flashing Side Marker Lamps

In the US it is not required to make the turn signals visible from the side of the vehicle. Many cars sold in the US have their front turn signals positioned between the headlights, so those are usually not visible from the side. If another car is next to yours, the other driver cannot see your …

Continue reading “Flashing Side Marker Lamps”

TeamCity Agent Unmet Requirements

When a TeamCity configuration is created there are requirements the TeamCity Agent has to meet. The creator of the build configuration can specify Explicit Requirements on the Agent Requirements page of the Build Configuration Settings. When the build configuration is created, TeamCity automatically adds Build Step Requirements. The bottom of the same page shows the list …

Continue reading “TeamCity Agent Unmet Requirements”

Create a Splunk HTTP Event Collector token

To receive HTTP post messages in Splunk, we need to create a Splunk HTTP Collector token. To create an index for this token see Create a Splunk index In the Settings menu select Data Inputs Select the HTTP Event Collector link Click the New Token button Enter a name and description for the token and click …

Continue reading “Create a Splunk HTTP Event Collector token”

Create a Splunk index

Splunk stores the events in separate databases based on index names. It is faster to search for events if the event types are separated into multiple indexes. To create an index for the event type you want to send to Splunk In the Settings menu select Indexes Click the New Index button Enter the name of the …

Continue reading “Create a Splunk index”