大约有 47,000 项符合查询结果(耗时:0.0397秒) [XML]

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MySQL error 1449: The user specified as a definer does not exist

...finer for views Run this SQL to generate the necessary ALTER statements SELECT CONCAT("ALTER DEFINER=`youruser`@`host` VIEW ", table_name, " AS ", view_definition, ";") FROM information_schema.views WHERE table_schema='your-database-name'; Copy and run the ALTER statements How to change the...
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How to retrieve the current value of an oracle sequence without increment it?

... SELECT last_number FROM all_sequences WHERE sequence_owner = '<sequence owner>' AND sequence_name = '<sequence_name>'; You can get a variety of sequence metadata from user_sequences, all_sequences and dba_...
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How can I convert comma separated string into a List

... Here is one way of doing it: List<int> TagIds = tags.Split(',').Select(int.Parse).ToList(); share | improve this answer | follow | ...
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How to enable MySQL Query Log?

...global general_log = 1; SET global log_output = 'table'; View the log select * from mysql.general_log; Disable Query logging on the database SET global general_log = 0; share | improve th...
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List all sequences in a Postgres db 8.1 with SQL

... The following query gives names of all sequences. SELECT c.relname FROM pg_class c WHERE c.relkind = 'S'; Typically a sequence is named as ${table}_id_seq. Simple regex pattern matching will give you the table name. To get last value of a sequence use the following query:...
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How to execute IN() SQL queries with Spring's JDBCTemplate effectivly?

...ters.addValue("ids", ids); List<Foo> foo = getJdbcTemplate().query("SELECT * FROM foo WHERE a IN (:ids)", parameters, getRowMapper()); This only works if getJdbcTemplate() returns an instance of type NamedParameterJdbcTemplate ...
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How to get the index of an item in a list in a single step?

...g different (e.g. on top of any IEnumerable<>). Use the overload of Select which takes an index in the predicate, so you transform your list into an (index, value) pair: var pair = myList.Select((Value, Index) => new { Value, Index }) .Single(p => p.Value.Prop == oProp...
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Selecting only numeric columns from a data frame

...traightforward, and robust to use on database-back-ended tibbles: dplyr::select_if(x, is.numeric) share | improve this answer | follow | ...
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Update Item to Revision vs Revert to Revision

...ision will undo all changes in your working copy which were made after the selected revision (in your example rev. 96,97,98,99,100) Your working copy is now in modified state. The file content of both scenarions is same, however in first case you have an unmodified working copy and you cannot comm...
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Xcode 4.4 error - Timed out waiting for app to launch

... I was trying to debug with a Enterprise Dist cert selected. Switched back to my development cert and the issue was resolved-- thanks! – RyanG Nov 19 '12 at 20:15 ...