What is normally called a random number sequence in reality is a “pseudo-random” number sequence because the values are computed using a deterministic algorithm and probability plays no real role. The “seed” is a starting point for the sequence and the guarantee is that if you start from the same seed you will get the … Read more
Here is example of usual Seed approach: protected override void Seed(SecurityModule.DataContexts.IdentityDb context) { if (!context.Roles.Any(r => r.Name == “AppAdmin”)) { var store = new RoleStore<IdentityRole>(context); var manager = new RoleManager<IdentityRole>(store); var role = new IdentityRole { Name = “AppAdmin” }; manager.Create(role); } if (!context.Users.Any(u => u.UserName == “founder”)) { var store = new UserStore<ApplicationUser>(context); var … Read more
In my case I had inherited from the IdentityDbContext correctly (with my own custom types and key defined) but had inadvertantly removed the call to the base class’s OnModelCreating: protected override void OnModelCreating(DbModelBuilder modelBuilder) { base.OnModelCreating(modelBuilder); // I had removed this /// Rest of on model creating here. } Which then fixed up my missing … Read more
No, it is not possible to seed Math.random(). I’ve implemented a number of good, short and fast Pseudorandom number generator (PRNG) functions in plain JavaScript. All of them can be seeded and provide high quality numbers. First of all, take care to initialize your PRNGs properly. To keep things simple, the generators below have no … Read more