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Why do people say there is modulo bias when using a random number generator?

I have seen this question asked a lot but never seen a true concrete answer to it. So I am going to post one here which will hopefully help people understand why exactly there is "modulo bias" when using a random number generator, like rand() in C++. ...
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What does SynchronizationContext do?

...ed to its Send or Post method will then be invoked in that location. (Post is the non-blocking / asynchronous version of Send.) Every thread can have a SynchronizationContext instance associated with it. The running thread can be associated with a synchronization context by calling the static Synchr...
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How to generate a random string of a fixed length in Go?

...tring of characters only (uppercase or lowercase), no numbers, in Go. What is the fastest and simplest way to do this? 11 A...
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How and when to use ‘async’ and ‘await’

From my understanding one of the main things that async and await do is to make code easy to write and read - but is using them equal to spawning background threads to perform long duration logic? ...
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Why does C++ not have reflection?

This is a somewhat bizarre question. My objectives are to understand the language design decision and to identify the possibilities of reflection in C++. ...
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What is the purpose of a stack? Why do we need it?

... UPDATE: I liked this question so much I made it the subject of my blog on November 18th 2011. Thanks for the great question! I've always wondered: what is the purpose of the stack? I assume you mean the evaluation stack of the MSIL lang...
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Why is “final” not allowed in Java 8 interface methods?

... This question is, to some degree, related to What is the reason why “synchronized” is not allowed in Java 8 interface methods? The key thing to understand about default methods is that the primary design goal is interface ...
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Clang vs GCC - which produces faster binaries? [closed]

I'm currently using GCC, but I discovered Clang recently and I'm pondering switching. There is one deciding factor though - quality (speed, memory footprint, reliability) of binaries it produces - if gcc -O3 can produce a binary that runs 1% faster, or Clang binaries take up more memory or just fai...
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What's the difference between SortedList and SortedDictionary?

Is there any real practical difference between a SortedList<TKey,TValue> and a SortedDictionary<TKey,TValue> ? Are there any circumstances where you would specifically use one and not the other? ...
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How does Java Garbage Collection work with Circular References?

...tanding, garbage collection in Java cleans up some objects if nothing else is 'pointing' to that object. 8 Answers ...