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What is sharding and why is it important?
... to be putting back your sliced up data (the shards) into an easy to deal with aggregate that makes sense in the context. Is this correct?
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stringstream, string, and char* conversion confusion
...g returned from stringstream.str().c_str() live in memory, and why can't it be assigned to a const char* ?
5 Answers
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What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?
If I have some integer n, and I want to know the position of the most significant bit (that is, if the least significant bit is on the right, I want to know the position of the furthest left bit that is a 1), what is the quickest/most efficient method of finding out?
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Why should the “PIMPL” idiom be used? [duplicate]
...vate members of CatImpl. Cat::Purr() would not be allowed such an access without a friend declaration.
Because you then don't mix responsibilities: one class implements, one class forwards.
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What are the use cases for selecting CHAR over VARCHAR in SQL?
...R (or NVARCHAR) when the length varies significantly. CHAR may also be a bit faster because all the rows are of the same length.
It varies by DB implementation, but generally, VARCHAR (or NVARCHAR) uses one or two more bytes of storage (for length or termination) in addition to the actual data. So...
What's quicker and better to determine if an array key exists in PHP?
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isset() is faster, but it's not the same as array_key_exists().
array_key_exists() purely checks if the key exists, even if the value is NULL.
Whereas
isset() will return false if the key exist and value is NULL.
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Continuously read from STDOUT of external process in Ruby
...he output given by blender line by line to update a progress bar in a GUI. It's not really important that blender is the external process whose stdout I need to read.
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How to use web-fonts legally? [closed]
I'm a bit confused about the laws applied to web fonts. I know that it's OK to use fonts like Arial, Times Romans, Georgia, etc...I think it's illegal to use other commercial fonts.
Are there websites that provide free fonts? If there are.
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How to force garbage collection in Java?
Is it possible to force garbage collection in Java, even if it is tricky to do? I know about System.gc(); and Runtime.gc(); but they only suggest to do GC. How can I force GC?
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Why doesn't Java allow overriding of static methods?
Why is it not possible to override static methods?
22 Answers
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