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Fastest way to list all primes below N
... | ms |
+---------------------+-------+
| rwh_primes1 | 43.0 |
| sieveOfAtkin | 46.4 |
| rwh_primes | 57.4 |
| sieve_wheel_30 | 63.0 |
| rwh_primes2 | 67.8 |
| sieveOfEratosthenes | 147.0 |
| ambi_sieve_plain | 152.0 |
| sundaram3 ...
PHP PDO returning single row
...tring --- ");
$stmt = $dbh->prepare("SELECT name FROM mytable WHERE id=4 LIMIT 1");
$stmt->execute();
$row = $stmt->fetch();
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Extracting the last n characters from a ruby string
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edited Nov 2 '13 at 6:40
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UPDATE...