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Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
...is experimental at the moment. has just reached stable! As of 20th June 2014, PyPy3 2.3.1 - Fulcrum is out!
PyPy sometimes isn't actually faster for "scripts", which a lot of people use Python for. These are the short-running programs that do something simple and small. Because PyPy is a JIT compile...
Set operations (union, intersection) on Swift array?
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4 Answers
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List of tables, db schema, dump etc using the Python sqlite3 API
...ed Nov 20 '08 at 15:26
converter42converter42
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What is the most effective way to get the index of an iterator of an std::vector?
...n could be slow.
– Steven Sudit
Feb 4 '10 at 19:41
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@Steinfeld its an iterator. std::container_...
MIN/MAX vs ORDER BY and LIMIT
... As a meaningless data point, MIN() took .36s while SORT and LIMIT took .84s against a 106,000 row table on my dev server.
If, however, you're looking at an indexed column, the difference is harder to notice (meaningless data point is 0.00s in both cases). Looking at the output of explain, howeve...
Any way to exit bash script, but not quitting the terminal
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answered Mar 9 '12 at 20:44
Dominik HonnefDominik Honnef
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Concatenate two string literals
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const string message = "Hello" + ",world" + exclam;
The + operator has left-to-right associat...
How to obtain the number of CPUs/cores in Linux from the command line?
...ading, you can use
grep ^cpu\\scores /proc/cpuinfo | uniq | awk '{print $4}'
which should return (for example) 8 (whereas the command above would return 16)
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How can I find all of the distinct file extensions in a folder hierarchy?
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– Ivan Nevostruev
Aug 20 '13 at 20:43
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On Windows, this works better and is much faster than fi...