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Is SQL syntax case sensitive?
Is SQL case sensitive. I've used MySQL and SQL Server which both seem to be case in-sensitive. Is this always the case? Does the standard define case-sensitivity?
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Why do function pointer definitions work with any number of ampersands '&' or asterisks '*'?
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There are a few pieces to this that allow all of these combinations of operators to work the same way.
The fundamental reason why all of these work is that a function (like foo) is implicitly convertible to a pointer to the function. This is why void ...
What is the difference between single-quoted and double-quoted strings in PHP?
...fied not just in two ways, but in four ways.
Single quoted strings will display things almost completely "as is." Variables and most escape sequences will not be interpreted. The exception is that to display a literal single quote, you can escape it with a back slash \', and to display a back slas...
How much faster is Redis than mongoDB?
It's widely mentioned that Redis is "Blazing Fast" and mongoDB is fast too. But, I'm having trouble finding actual numbers comparing the results of the two. Given similar configurations, features and operations (and maybe showing how the factor changes with different configurations and operations), ...
WebRTC vs Websockets: If WebRTC can do Video, Audio, and Data, why do I need Websockets? [closed]
...hich to use. Since there are plenty of video and audio apps with WebRTC, this sounds like a reasonable choice, but are there other things I should consider?
Feel free to share your thoughts.
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boost::flat_map and its performance compared to map and unordered_map
It is common knowledge in programming that memory locality improves performance a lot due to cache hits. I recently found out about boost::flat_map which is a vector based implementation of a map. It doesn't seem to be nearly as popular as your typical map / unordered_map so I haven't been able ...
Can anyone explain what JSONP is, in layman terms? [duplicate]
I know JSONP is JSON with padding.
4 Answers
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How to ignore user's time zone and force Date() use specific time zone
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A Date object's underlying value is actually in UTC. To prove this, notice that if you type new Date(0) you'll see something like: Wed Dec 31 1969 16:00:00 GMT-0800 (PST). 0 is treated as 0 in GMT, but .toString() method shows the local time.
Big note, UTC ...
What are the main uses of yield(), and how does it differ from join() and interrupt()?
... Java, specifically in the example code below. I've also read that yield() is 'used to prevent execution of a thread'.
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Difference between HashSet and HashMap?
Apart from the fact that HashSet does not allow duplicate values, what is the difference between HashMap and HashSet ?
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