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Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?
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This approach will use the actual boolean type (and resolve to true and false) if the compiler supports it. (specifically, C++)
However, it would be better to check whether C++ is in use (via the __cplusplus macro) and actuall...
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...
What's the safest way to iterate through the keys of a Perl hash?
If I have a Perl hash with a bunch of (key, value) pairs, what is the preferred method of iterating through all the keys? I have heard that using each may in some way have unintended side effects. So, is that true, and is one of the two following methods best, or is there a better way?
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How to check if an object is a list or tuple (but not string)?
This is what I normally do in order to ascertain that the input is a list / tuple - but not a str . Because many times I stumbled upon bugs where a function passes a str object by mistake, and the target function does for x in lst assuming that lst is actually a list or tuple .
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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...
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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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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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...
What is the purpose of a stack? Why do we need it?
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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...
Why is “final” not allowed in Java 8 interface methods?
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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 ...