Languages & Frameworks
Go
6 practice questions. Free questions open a full answer guide; the rest unlock with Pro.
- In Go, when would you reach for a channel versus a sync.Mutex to coordinate goroutines?
- In Go, what's the difference between an array and a slice, and why do slices behave like references?Go Pro
- What is a goroutine in Go, and how does it differ from an operating system thread?Go Pro
- How does Go handle errors, and how do you add context to an error as it propagates up the call stack?Go Pro
- In Go, what's the difference between an array and a slice, and what do length and capacity mean for a slice?Go Pro
- Go returns errors as values instead of throwing exceptions. How does that idiom work, and what do you see as the trade-offs?Go Pro
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