大约有 11,644 项符合查询结果(耗时:0.0343秒) [XML]
Most efficient way to check for DBNull and then assign to a variable?
...ying too much here... I don't think the speed different between "is", "==" etc is going to be the cause of any performance problem you are seeing. Profile your entire code and focus on something that matters... it won't be this.
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What do I need to read to understand how git works? [closed]
...stored, how are versions kept and how do changes happen (branches, merges, etc.)?
15 Answers
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How to reset postgres' primary key sequence when it falls out of sync?
...r due to unplanned database shutdowns, transaction rollbacks after errors, etc.
– Craig Ringer
Sep 20 '17 at 2:04
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log4net vs. Nlog
...framework experience. I researched, ran through tutorials, made toy apps, etc. on Log4Net, NLog, and Enterprise Library for a few days. Came back 3-4 weeks later and put them together into a cohesive demo. Hopefully some of this is useful to you.
My recommendation for our project is this:
Use ...
Replacing all non-alphanumeric characters with empty strings
...e second one doesn't answer the question. What about characters like : / \ etc?
– WW.
Dec 29 '14 at 4:03
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Repair all tables in one go
...E CONTINUE HANDLER FOR SQLSTATE '02000' SET endloop=1;
OPEN rCursor;
FETCH rCursor INTO tableName;
WHILE endloop = 0 DO
SET @sql = CONCAT("REPAIR TABLE `", tableName, "`");
PREPARE statement FROM @sql;
EXECUTE statement;
FETCH rCursor INTO tableName;
END WHILE;
CLOSE rC...
Upgrade python in a virtualenv
...r anyone who has customized their virtualenvs postactivate, predeactivate, etc, this is not a desirable option because all that is lost and has to be manually readded.
– dpwrussell
Apr 18 '16 at 17:26
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How to split one string into multiple strings separated by at least one space in bash shell?
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set $text [this will put the words into $1,$2,$3...etc]
– Rajesh
Apr 9 '14 at 2:40
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ActiveMQ or RabbitMQ or ZeroMQ or [closed]
... If no wire protocol assumed: see other answers.
– Fletch
Dec 2 '10 at 10:53
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Having worked in ...
sh: 0: getcwd() failed: No such file or directory on cited drive
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getcwd gets the current working directory and if the directory is deleted or moved it will be unhappy! See Linux Manual for getcwd
– Hooman
Jan 8 '15 at 21:51
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