大约有 47,000 项符合查询结果(耗时:0.0445秒) [XML]

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Why does UITableViewCell remain highlighted?

... In your didSelectRowAtIndexPath you need to call deselectRowAtIndexPath to deselect the cell. So whatever else you are doing in didSelectRowAtIndexPath you just have it call deselectRowAtIndexPath as well. - (void)tableView:(UITableVi...
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How to do this in Laravel, subquery where in

...sider this code: Products::whereIn('id', function($query){ $query->select('paper_type_id') ->from(with(new ProductCategory)->getTable()) ->whereIn('category_id', ['223', '15']) ->where('active', 1); })->get(); ...
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Search of table names

... I'm using this and works fine SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME LIKE '%%' share | improve this answer | ...
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what is the difference between GROUP BY and ORDER BY in sql

... SUM, COUNT, AVG, etc). TABLE: ID NAME 1 Peter 2 John 3 Greg 4 Peter SELECT * FROM TABLE ORDER BY NAME = 3 Greg 2 John 1 Peter 4 Peter SELECT Count(ID), NAME FROM TABLE GROUP BY NAME = 1 Greg 1 John 2 Peter SELECT NAME FROM TABLE GROUP BY NAME HAVING Count(ID) > 1 = Peter ...
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How do I list all tables in a schema in Oracle SQL?

... schema, you need to have one or more of the following system privileges: SELECT ANY DICTIONARY (SELECT | INSERT | UPDATE | DELETE) ANY TABLE or the big-hammer, the DBA role. With any of those, you can select: SELECT DISTINCT OWNER, OBJECT_NAME FROM DBA_OBJECTS WHERE OBJECT_TYPE = 'TABLE' ...
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How to count occurrences of a column value efficiently in SQL?

... This should work: SELECT age, count(age) FROM Students GROUP by age If you need the id as well you could include the above as a sub query like so: SELECT S.id, S.age, C.cnt FROM Students S INNER JOIN (SELECT age, count(age) a...
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What is the difference between JOIN and JOIN FETCH when using JPA and Hibernate

...ent attribute. Otherwise, (valid at least for PG) you might get ERROR: for SELECT DISTINCT, ORDER BY expressions must appear in select list – long Apr 21 at 14:08 add a commen...
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Opening a folder in explorer and selecting a file

I'm trying to open a folder in explorer with a file selected. 11 Answers 11 ...
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How to check date of last change in stored procedure or function in SQL server

... SELECT name, create_date, modify_date FROM sys.objects WHERE type = 'P' ORDER BY modify_date DESC The type for a function is FN rather than P for procedure. Or you can filter on the name column. ...
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How to subtract 30 days from the current datetime in mysql?

... SELECT * FROM table WHERE exec_datetime BETWEEN DATE_SUB(NOW(), INTERVAL 30 DAY) AND NOW(); http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_date-add ...