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记一次MongoDB性能问题 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...<DB>.0，大小是64M，然后是<DB>.1，大小翻番到128M，到了<DB>.5，大小翻番到2G，其后的数据文件就保持在2G大小。为了避免可能出现的问题，可以采用事先手动创建数据文件的策略：
#!/bin/sh
DB_NAME=$1
cd /path/to/$DB_NAME
for INDEX_NU...
I lost my .keystore file?
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Vladimir IvanovVladimir Ivanov
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How to delete the top 1000 rows from a table using Sql Server 2008?
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edited Jun 15 '17 at 14:56
Liam
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answered...
Set Background color programmatically [duplicate]
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hBrent
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answered May 7 '14 at 12:43
Mohanad ALKHOULIMoha...
How does the Google “Did you mean?” Algorithm work?
...alize you misspelled the word so you rewrite the word in the search box.
4) You find what you want ( you click in the first links )
This pattern multiplied millions of times, shows what are the most common misspells and what are the most "common" corrections.
This way Google can almost instant...
SQL Server 2012 column identity increment jumping from 6 to 1000+ on 7th entry [duplicate]
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edited May 8 '14 at 19:20
answered Jan 4 '13 at 18:29
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Signed to unsigned conversion in C - is it always safe?
...plementation. It will be large, but it will not overflow, because:
6.2.5 (9)
A computation involving unsigned operands can never overflow, because a result that cannot be represented by the resulting unsigned integer type is reduced modulo the number that is one greater than the largest val...
Is it a good practice to place C++ definitions in header files?
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Evan TeranEvan Teran
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How to articulate the difference between asynchronous and parallel programming?
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answered May 26 '11 at 4:39
CodeManCodeMan
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How to check if a variable is an integer in JavaScript?
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354
Use the === operator (strict equality) as below,
if (data === parseInt(data, 10))
alert("da...