How does the IP protocol work and what does each layer of the OSI model operate with?
Middle+
170
Golang
8397
379
What transaction isolation levels exist in PostgreSQL?
Middle+
170
What is the difference between parallelism and concurrency?
Middle+
170
What type of multitasking is used in Go? How does the Go scheduler preempt goroutines?
Middle+
164
What is Stop the World in Go?
Middle+
163
What is the difference between processes and threads in Linux? How does Linux see them internally?
Senior
163
Is concurrent access to a slice safe? Will there be a race condition if 4 goroutines modify their own unique index of the slice?
Senior
159
What is the PID of the init/systemd process?
Middle+
159
Why can't port 80 be occupied without permissions? What is the group of such ports called?
Middle+
158
What is the difference between TCP and UDP? At which layer of the OSI model do they operate?
Middle+
157
Why does the Go binary weigh about 2MB even for a simple program? What is included in the Go runtime?
Middle+
156
What synchronization primitives exist in Go?
Senior
150
Are you familiar with commands: grep -E, awk, sed, find, xargs, tar, ssh/rsync, systemctl, journalctl, curl/wget, crontab, vim?
Middle+
149
What will the program output if you leave backticks instead of single quotes when comparing characters?
Middle+
149
Why are backticks used in character check methods here? What is the difference between backticks, double quotes, and single quotes?
Middle+
149
What anomalies do you know in multithreaded programming?
Middle+
149
Is there a career track? Do you want to develop technically or towards management/team lead?
Middle+
147
Why are goroutines needed? What is their advantage over OS processes and threads?
Middle+
146
// Write implementations of a cache with ttl (time to live) for the User structure. // You can use User.ID as the key // We want it to be thread-safe // We do not want to retrieve entries with expired ttl during read operations // We want expired ttl entries to be deleted and not stored // API get/set/del
Senior
146
What types of memory exist in Go and where do they go? Where do global variables and constants go?
Middle+
144