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国务院:网速提40%流量不清零 三运营商尚未回应 - 资讯 - 清泛网 - 专注C/C+...
...等领域,推广政府和社会资本合作模式,以竞争择优选择包括民营和国有企业在内的社会资本,扩大公共产品和服务供给,并依据绩效评价给予合理回报,是转变政府职能、激发市场活力、打造经济新增长点的重要改革举措。
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How do I get the size of a java.sql.ResultSet?
...his method to calculate ResultSet size. This is great...no use of an extra SQL parameter. Please comment on this method.
– Madeyedexter
Mar 13 '15 at 5:21
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Why should you use an ORM? [closed]
...nd portable. ORM implementation classes know how to write vendor-specific SQL, so you don't have to.
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Truncating all tables in a Postgres database
I regularly need to delete all the data from my PostgreSQL database before a rebuild. How would I do this directly in SQL?
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程序员之网络安全系列(五):数字证书以及12306的证书问题 - 更多技术 - ...
...natures), so your connection may not be private.),我猜他们是为了性能??
但是,就算浏览器地址栏的锁不能变绿,我们还得订票不是吗?
我觉得12306可能需要一个操作系统内置的认证机构来发一个证书,不然普通的用户根本不知道怎...
How to count occurrences of a column value efficiently in SQL?
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FYI, On SQL Server 2005, the second query runs with almost half the execution cost (using SET SHOWPLAN_ALL ON) as the first. I thought the first would have been better, but the old school join beat it.
– KM.
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How to import CSV file data into a PostgreSQL table?
..._codes FROM '/path/to/csv/ZIP_CODES.txt' DELIMITER ',' CSV HEADER; postgresql.org/docs/9.1/static/sql-copy.html
– Barrett Clark
Nov 8 '13 at 15:17
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Rails 4 LIKE query - ActiveRecord adds quotes
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Isn't this vulnerable to SQL Injection? I mean, are those search strings sanitized?
– jdscosta91
Oct 16 '14 at 17:08
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Database development mistakes made by application developers [closed]
...xists--you should be using it.
It's quite common to see this failure on MySQL databases. I don't believe MyISAM supports it. InnoDB does. You'll find people who are using MyISAM or those that are using InnoDB but aren't using it anyway.
More here:
How important are constraints like NOT NULL a...
Rails: Using greater than/less than with a where statement
... it possible for the user to enter the value, it avoids the possibility of SQL injection attacks)
– user1051849
Nov 4 '14 at 11:21
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