Johnston, Iowa · Live classes in US Central Time
§The catalog
Python, TypeScript, Rust, Algorithms, System design, Databases, Testing and Debugging & tools. Every course is taught live to 8 people or fewer and costs $8.64 to $148.64. None of them can be bought without talking to us first.
4 of 32 courses
JavaScript understood properly first, then types that refuse the bad states.
Values, functions, objects and promises, and then the types that describe them. For people who learned JavaScript by pasting and would like to know what their code actually does.
Functions · Promises · Modules · Types
Unions, narrowing, generics and the discriminated union that replaces a page of if statements. You type a messy API response until the compiler refuses every state that should not exist.
Narrowing · Generics · Unions · strict
HTTP, streams, worker threads and error handling, starting from Node's built-in modules. You ship a small service, then remove dependencies until only the ones that earn their place are left.
node:http · Streams · Workers · Errors
Conditional and mapped types, infer, and the library typings you have been afraid to open. For people who maintain shared code and want its types to explain it.
Conditional types · Mapped types · infer · Declarations
White to play
Pick a course, or just write to us. Either way, you talk to the person who would teach you before anything is paid.