大约有 43,000 项符合查询结果(耗时:0.0443秒) [XML]

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jquery get all form elements: input, textarea & select

Is there an easy way (without listing them all separately) in jquery to select all form elements and only form elements. 12...
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Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)

...irm this - I just updated a query with 4 joins on a 168,000 row database. Selecting just the first 100 rows with a SQL_CALC_FOUND_ROWS took over 20 seconds; using a separate COUNT(*) query took under 5 seconds (for both count + results queries). – Sam Dufel Ju...
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UITextView style is being reset after setting text property

... Sitting with this for hours, I found the bug. If the property "Selectable" = NO it will reset the font and fontcolor when setText is used. So turn Selectable ON and the bug is gone. share | ...
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Table name as variable

...mpare data between the same tables of different databases: static query: SELECT * FROM [DB_ONE].[dbo].[ACTY] EXCEPT SELECT * FROM [DB_TWO].[dbo].[ACTY] since I want easily change tha name of table and schema I have created this dynamic query: declare @schema varchar(50) declare @table varchar(5...
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Entity Framework select distinct name

... Using lambda expression.. var result = EFContext.TestAddresses.Select(m => m.Name).Distinct(); share | improve this answer | follow | ...
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How do I select an entire row which has the largest ID in the table?

... You could use a subselect: SELECT row FROM table WHERE id=( SELECT max(id) FROM table ) Note that if the value of max(id) is not unique, multiple rows are returned. If you only want one such row, use @MichaelMior's answer, SELEC...
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Oracle SQL: Update a table with data from another table

...his is called a correlated update UPDATE table1 t1 SET (name, desc) = (SELECT t2.name, t2.desc FROM table2 t2 WHERE t1.id = t2.id) WHERE EXISTS ( SELECT 1 FROM table2 t2 WHERE t1.id = t2.id ) Assuming the join results in a key-pr...
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How to set a selected option of a dropdown list control using angular JS

I am using Angular JS and I need to set a selected option of a dropdown list control using angular JS. Forgive me if this is ridiculous but I am new with Angular JS ...
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Get selected value in dropdown list using JavaScript

How do I get the selected value from a dropdown list using JavaScript? 28 Answers 28 ...
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Select top 10 records for each category

... If you are using SQL 2005 you can do something like this... SELECT rs.Field1,rs.Field2 FROM ( SELECT Field1,Field2, Rank() over (Partition BY Section ORDER BY RankCriteria DESC ) AS Rank FROM table ) rs WHERE Rank <= 10 If y...