concurrency Archives - Page 3 of 5

What’s the difference between a Future and a Promise?

What’s the difference between Future and Promise? They both act like a placeholder for future results, but where is the main difference? 9 ...

May 13, 2022
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What is the fastest way to send 100,000 HTTP requests in Python?

I am opening a file which has 100,000 URL’s. I need to send an HTTP request to each URL and print the status ...

May 12, 2022
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SET NOCOUNT ON usage

Inspired by this question where there are differing views on SET NOCOUNT… Should we use SET NOCOUNT ON for SQL Server? If not, ...

May 11, 2022
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Why use a ReentrantLock if one can use synchronized(this)?

I’m trying to understand what makes the lock in concurrency so important if one can use synchronized (this). In the dummy code below, ...

May 11, 2022
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multiprocessing.Pool: When to use apply, apply_async or map?

I have not seen clear examples with use-cases for Pool.apply, Pool.apply_async and Pool.map. I am mainly using Pool.map; what are the advantages of ...

May 11, 2022
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What is the difference between concurrent programming and parallel programming?

What is the difference between concurrent programming and parallel programing? I asked google but didn’t find anything that helped me to understand that ...

May 9, 2022
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What is a good pattern for using a Global Mutex in C#?

The Mutex class is very misunderstood, and Global mutexes even more so. What is good, safe pattern to use when creating Global mutexes? ...

May 8, 2022
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What is a semaphore?

A semaphore is a programming concept that is frequently used to solve multi-threading problems. My question to the community: What is a semaphore ...

May 8, 2022
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Is there an advantage to use a Synchronized Method instead of a Synchronized Block?

Can any one tell me the advantage of synchronized method over synchronized block with an example? 23 Answers 23

May 7, 2022
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What is the meaning of the term “thread-safe”?

Does it mean that two threads can’t change the underlying data simultaneously? Or does it mean that the given code segment will run ...

May 6, 2022
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