大约有 40,000 项符合查询结果（耗时：0.0529秒） [XML]
how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
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Magnus HaganderMagnus Hagander
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How can you dynamically create variables via a while loop? [duplicate]
...JoshAdel
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How to use php serialize() and unserialize()
...t as valid a representation of the same data structure though:
a:3:{i:1;s:6:"elem 1";i:2;s:6:"elem 2";i:3;s:7:" elem 3";}
But pretty much only PHP uses it, there's little support for this format anywhere else.
This is very common and well supported as well though:
<array>
<element k...
Is it expensive to use try-catch blocks even if an exception is never thrown?
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206
try has almost no expense at all. Instead of doing the work of setting up the try at runtime, th...
JavaScript and Threads
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Sam HaslerSam Hasler
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Installing PDO driver on MySQL Linux server
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6 Answers
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multiprocessing: sharing a large read-only object between processes?
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answered Mar 18 '09 at 20:06
S.LottS.Lott
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how to mysqldump remote db from local machine
..., and the answer is quite simple:
Change:
ssh -f -L3310:remote.server:3306 user@remote.server -N
To:
ssh -f -L3310:localhost:3306 user@remote.server -N
And change:
mysqldump -P 3310 -h localhost -u mysql_user -p database_name table_name
To:
mysqldump -P 3310 -h 127.0.0.1 -u mysql_user -p...
Iterating C++ vector from the end to the beginning
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Chipster
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answered Aug 31 '10 at 16:11
James CurranJames C...
How to read a large file line by line?
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Mark Garcia
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answered Nov 6 '12 at 7:51
codaddictcodaddict
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