Use two GitHub accounts on the same computer
Many developers have multiple GitHub accounts. One for personal projects, and another one for their work or business. There is a way to access multiple accounts simultaneously from the same computer. Only one account at a time can be configured using the…
Add SSH key access to a GitHub repository
Generate an SSH key pair In a terminal execute ssh-keygen Generating public/private rsa key pair. Enter file in which to save the key : /Users/MY_USERNAME/Git/_Keys/MY_PROJECT/MY_PROJECT_rsa_ci Enter passphrase (empty for no passphrase): Enter same…
Ruby tips and tricks
Bang methods (Exclamation point at the end of the method name) There are methods that have a permanent or dangerous version. The exclamation point designates to use the dangerous version of the method. String manipulation The bang versions of the string…
.NET Framework Detection in the Windows Registry
To determine which .NET framework is installed on the Windows computer check the values in the registry. The HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full key contains two values you can check: Release Version You can use InSpec,…
Block comment in ASP.NET MVC Razor file
To comment out a block of lines in the ASP.NET MVC Razor file, enclose them in @* and *@ @* Commented out instructions, including HTML and Extension methods *@
Procedure or function ‘`…_Insert`’ cannot be found in database …
When you use the Microsoft .NET Entity framework to access a MySql database, the autogenerated code throws an error when you try to insert a row into the database with context.MY_TABLE.Add(MY_OBJECT); Server Error in ‘/’ Application.…
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…
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…
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 given assembly name or codebase was invalid. (Exception from HRESULT: 0x80131047)
When I made changes to the web.config file of an ASP.Net C# application, I have accidentally deleted a comma, and I started to get the runtime error message: The given assembly name or codebase was invalid. (Exception from HRESULT: 0x80131047) Make sure…