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How to limit the amount of concurrent async I/O operations?
Here is the problem, it starts 1000+ simultaneous web requests. Is there an easy way to limit the concurrent amount of these async http requests? So that no more than 20 web pages are downloaded at any given time. How to do it in the most efficient manner?
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Determining if an Object is of primitive type
I have an Object[] array, and I am trying to find the ones that are primitives. I've tried to use Class.isPrimitive() , but it seems I'm doing something wrong:
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When is it better to use an NSSet over an NSArray?
I have used NSSets many times in my apps, but I have never created one myself.
11 Answers
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python re.sub group: number after \number
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Most efficient way to store thousand telephone numbers
This is a google interview question:
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How to list all functions in a Python module?
I have a python module installed on my system and I'd like to be able to see what functions/classes/methods are available in it.
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Nested JSON objects - do I have to use arrays for everything?
Is there any way to have nested objects in JSON so I don't have to make arrays out of everything? For my object to be parsed without error I seem to need a structure like this:
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What is a “callable”?
Now that it's clear what a metaclass is , there is an associated concept that I use all the time without knowing what it really means.
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Why is Node.js single threaded? [closed]
In PHP (or Java/ASP.NET/Ruby) based webservers every client request is instantiated on a new thread. But in Node.js all the clients run on the same thread (they can even share the same variables!) I understand that I/O operations are event-based so they don't block the main thread loop.
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