132 questions for “Concurrency”

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Java Concurrency & Threads 15 Python Concurrency (asyncio/threading/multiprocessing) 15 JavaScript Event Loop & Concurrency 10 .NET MAUI Concurrency & Threading 5 .NET MAUI Concurrency & Threading 5

Information Technology

132 questions in 12 technologies

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1What is the fundamental difference between concurrency and parallelism, and how does this map to Python's threading versus multiprocessing modules? Python › Concurrency (asyncio/threading/multiprocessing)PythonConcurrency (asyncio/threading/multiprocessing)Beginner
2What is a race condition, and how does it differ conceptually from a deadlock as two distinct categories of concurrency bugs? Java › Concurrency & ThreadsJavaConcurrency & ThreadsIntermediate
3How does Java's virtual threads feature (Project Loom, finalized in Java 21) fundamentally change the thread-per-task model for high-concurrency applications, and how do they differ from traditional platform threads? Java › Concurrency & ThreadsJavaConcurrency & ThreadsAdvanced
4What is the difference between concurrency and parallelism, and which one does Node.js's event loop actually provide by default? Node.js › Event Loop & Non-blocking IONode.jsEvent Loop & Non-blocking IOBeginner
5What is job concurrency in a worker process, and how do you configure it safely in BullMQ? Node.js › Background Jobs & QueuesNode.jsBackground Jobs & QueuesIntermediate
6How does the concurrency model of In-Memory OLTP differ from traditional disk based tables, and why does this improve performance? SQL Server › In-Memory OLTP (Memory-Optimized Tables)SQL ServerIn-Memory OLTP (Memory-Optimized Tables)Intermediate
7What is the difference between an optimistic and a pessimistic approach to handling concurrency, and where does SQL Server's snapshot isolation fit into this? SQL Server › Isolation & LockingSQL ServerIsolation & LockingIntermediate
8How does Lambda concurrency work, and what is the difference between reserved concurrency and the account level concurrency limit? AWS › Lambda & ServerlessAWSLambda & ServerlessIntermediate
9How do you handle optimistic concurrency conflicts in EF Core using a concurrency token (like RowVersion)? .NET › Entity Framework Core & Data Access.NETEntity Framework Core & Data AccessAdvanced
10How would you configure Kestrel's connection limits and thread pool behavior to handle high-concurrency production traffic without exhausting server resources? ASP.NET Core › Hosting Models: Kestrel, IIS & Reverse ProxiesASP.NET CoreHosting Models: Kestrel, IIS & Reverse ProxiesAdvanced
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