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OPTION (RECOMPILE) is Always Faster; Why?
...ere are 10 records in your database and then execute it when there are 100,000,000 records the cached execution plan may no longer be the most effective.
In summary - I don't see any reason that OPTION(RECOMPILE) would be a benefit here. I suspect you just need to update your statistics and your e...
PHP script to loop through all of the files in a directory?
... This is good unless you are dealing with a lot of files... > 10,000. You'll run out of memory.
– NexusRex
Apr 11 '11 at 23:21
...
Java Replacing multiple different substring in a string at once (or in the most efficient way)
...d using randomNumeric as follows:
private final static int TEXT_SIZE = 1000;
private final static int MATCHES_DIVISOR = 10;
private final static StringBuilder SOURCE
= new StringBuilder( randomNumeric( TEXT_SIZE ) );
Where MATCHES_DIVISOR dictates the number of variables to inject:
...
php中json_decode()和json_encode()的使用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
["e"] => int(5)
}
$data='[
{"Name":"a1","Number":"123","Contno":"000","QQNo":""},
{"Name":"a1","Number":"123","Contno":"000","QQNo":""},
{"Name":"a1","Number":"123","Contno":"000","QQNo":""}
]';
echo json_decode($data);
结果为：
Array ( [0] => stdClass Object ( [Name] => a1 [N...
How do you round a floating point number in Perl?
... # 4
$floor = floor(3.5); # 3
In 5.000 to 5.003 perls, trigonometry was done in the Math::Complex
module. With 5.004, the Math::Trig module (part of the standard Perl
distribution) implements the trigonometric functions. Internally it
uses the Math::Complex m...
How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators dif
...
does anyone else find it strange that "000" == "0000" ?
– nickf
Sep 17 '08 at 13:08
36
...
Bash tool to get nth line from a file
...t was (significantly) faster on my system when I tried it with NUM being 250000 on a file with half a million lines. YMMV, but I don't really see why it would.
– rici
Mar 25 '14 at 2:43
...
Elasticsearch query to return all records
...
http://127.0.0.1:9200/foo/_search/?size=1000&pretty=1
^
Note the size param, which increases the hits displayed from the default (10) to 1000 per shard.
http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/s...
How to make a valid Windows filename from an arbitrary string?
...idFileNameChars = new char[] { '"', '<', '>', '|', '\0', '\x0001', '\x0002', '\x0003', '\x0004', '\x0005', '\x0006', '\a', '\b', '\t', '\n', '\v', '\f', '\r', '\x000e', '\x000f', '\x0010', '\x0011', '\x0012', '\x0013', '\x0014', '\x0015', '\x0016', '\x0017', '\x0018', '\x0019...
How can I quickly sum all numbers in a file?
...;
}
-e syntax OK
Just for giggles, I tried this with a file containing 1,000,000 numbers (in the range 0 - 9,999). On my Mac Pro, it returns virtually instantaneously. That's too bad, because I was hoping using mmap would be really fast, but it's just the same time:
use 5.010;
use File::Map qw(ma...