Entity Framework 6 Refresher: Changing a nullable field to non-nullable
You may not know this, but on rare occasions business rules and requirements change. Let’s consider a case where our Person class has a Weight and a Modifie...
Posts by Category
entity-framework
Entity Framework 6 Refresher: One To One
Often a one-to-one relationship is required. Mapping these in EF is very similar to mapping any other relationships. For this example each person can have...
Entity Framework 6 Refresher: Many To Many Referencing Self
Occasionally a many-to-many relationship needs to be established with an entity pointing to itself; In the case of the small domain we are working with, we ...
Entity Framework 6 Refresher: Many To Many
To demonstrate a many to many relationship, we can look at a two-way relationship between Person and Hobby. We start by adding a collection property to each...
Entity Framework 6 Refresher: One To Many
To demonstrate a one-to-many relationship, we can associate Person with Hobby. This means that each hobby will belong to one and only one person (our peopl...
Entity Framework 6 Refresher: Mapping Files
Entity Framework can determine a lot of things about your model on it’s own, but at some point you need to provide some information about your classes that i...
Entity Framework 6 Refresher: Seed Data
“Seed Data” is data that is inserted into the database when migrations are run. Generally, this would be relatively static look-up data such as States or Or...
Entity Framework 6 Refresher: Initial Setup
It has been a long time since I used Entity Framework on anything other than an brownfield project where most work consisted of adding or removing the occasi...
javascript
Loose Type System Magic With Aurelia’s Repeat-For
Coming from a background with string static type checking, I am often very happy with the loseness of JavaScript. Working with this TypeScript interface, an...
Logging Gulp Errors
While building Aurelia applications, I have occassionaly made changes that cause the gulp build process to crash. It is very easy to add console logging to ...
Dates: From JavaScript to Web Api
Dates can be tricky things. Let’s consider the case of getting a date from a Javascript front end all the way to SQL Server.
SQLServer
SQL Server Row Versions
The rowversion data type is simple to implement, but provides some powerful functionality.
Practices
Dependency Injection
Q: What is dependency injection?