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What is a good Hash Function?
...l, with an order of magnitude more collisions than we want. In particular, strings that differ only in the last 4 bytes can collide easily. If you have a 30 character string, that differ in the last 4 bytes, after 28 bytes have been processes, the hashes differ only in the last 2 bytes. That means y...
Fastest way to iterate over all the chars in a String
In Java, what would the fastest way to iterate over all the chars in a String, this:
8 Answers
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Left-pad printf with spaces
How can I pad a string with spaces on the left when using printf?
4 Answers
4
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How to resolve symbolic links in a shell script
...eferences to '/./', '/../' and extra '/' characters in the null terminated string named by path and
stores the canonicalized absolute pathname in the buffer of size PATH_MAX named by resolved_path. The resulting path will have no symbolic link, '/./' or
'/../' components.
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How do I trim leading/trailing whitespace in a standard way?
...ferably standard method of trimming leading and trailing whitespace from a string in C? I'd roll my own, but I would think this is a common problem with an equally common solution.
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Storing Data in MySQL as JSON
...QL 5.7.8, MySQL supports a native JSON type. JSON values are not stored as strings, instead using an internal binary format that permits quick read access to document elements. JSON documents stored in JSON columns are automatically validated whenever they are inserted or updated, with an invalid do...
How can I add reflection to a C++ application?
...); \
}\
const char * name() const \
{\
return BOOST_PP_STRINGIZE(STRIP(x)); \
} \
}; \
What this does is generate a constant fields_n that is number of reflectable fields in the class. Then it specializes the field_data for each field. It also friends the reflector class, t...
How to convert a char to a String?
I have a char and I need a String . How do I convert from one to the other?
12 Answers
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Difference between char* and const char*?
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char* is a mutable pointer to a mutable character/string.
const char* is a mutable pointer to an immutable character/string. You cannot change the contents of the location(s) this pointer points to. Also, compilers are required to give error messages when you try to do so. ...
Converting file size in bytes to human-readable string
...k (not typed correctly, as you're doing toFixed and then doing math with a string. What does the * 1 do?
– Frexuz
Dec 12 '19 at 6:00
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