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What's the difference between a catalog and a schema in a relational database?
...ormation Schema.
Database Language SQL, (Proposed revised text of DIS 9075), p 45
From the SQL point of view :
A catalog is often synonymous with database. In most SQL dbms, if you query the information_schema views, you'll find that values in the "table_catalog" column map to the name of a d...
Is there a portable way to print a message from the C preprocessor?
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YouYou
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Should I pass an std::function by const-reference?
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edited Sep 26 '14 at 12:52
answered Aug 21 '13 at 19:42
Y...
Is it possible to rename a maven jar-with-dependencies?
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edited May 31 '17 at 6:45
answered Jan 19 '13 at 18:19
vi...
What is the difference between trie and radix trie data structures?
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edited Nov 15 '15 at 10:29
Peter Mortensen
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Why does casting int to invalid enum value NOT throw exception?
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answered Jun 20 '11 at 15:41
StriplingWarriorStriplingWarrior
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Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?
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answered Sep 18 '12 at 15:45
Douglas B. StapleDouglas B. Staple
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Unpacking, extended unpacking and nested extended unpacking
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115
My apologies for the length of this post, but I decided to opt for completeness.
Once you know ...
boost::flat_map and its performance compared to map and unordered_map
... plus the fact that the asymptotic complexity can start to be felt.
Point 5 is about compilers being able to elide stuff that are empty or trivial at compile time. This can optimize greatly some operations, because the containers are templated, therefore each type will have its own performance prof...
How do the post increment (i++) and pre increment (++i) operators work in Java?
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154
Does this help?
a = 5;
i=++a + ++a + a++; =>
i=6 + 7 + 7; (a=8)
a = 5;
i=a++ + ++a + ++a; ...