Data structures: which one when?
A one-page cheat sheet: what each basic data structure is good at, what it costs, and the C# type to use.
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Concurrency in .NET: which tool when
A one-page map of .NET's concurrency tools, with the bugs each one prevents.
Tree traversals
The four ways to visit a tree, when each one is useful, and how much memory they need.
Kubernetes in one page
Pods, deployments, services and scaling: the Kubernetes words interviewers expect you to know.
Kubernetes in one page
Pods, deployments, services and scaling: the Kubernetes words interviewers expect you to know.
Merge sort, step by step
How merge sort splits, sorts and merges; why it is O(n log n); and when to choose it.
Merge sort, step by step
How merge sort splits, sorts and merges; why it is O(n log n); and when to choose it.
Designing a URL shortener
A step-by-step way to answer the classic system design question: requirements, API, short codes, storage, caching and scaling.
Concurrency in .NET: which tool when
A one-page map of .NET's concurrency tools, with the bugs each one prevents.
Tree traversals
The four ways to visit a tree, when each one is useful, and how much memory they need.
Designing a URL shortener
A step-by-step way to answer the classic system design question: requirements, API, short codes, storage, caching and scaling.