大约有 40,000 项符合查询结果(耗时:0.0229秒) [XML]

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select2 - hiding the search box

For my more significant selects, the search box in Select2 is wonderful. However, in one instance, I have a simple selection of 4 hard-coded choices. In this case, the search box is superfluous and looks a little silly being present. Is it possible to hide it somehow? I took a look through the docum...
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SQL to find the number of distinct values in a column

I can select all the distinct values in a column in the following ways: 11 Answers 11 ...
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How do I enable the column selection mode in Eclipse?

News wrote that Eclipse 3.5 finally supports column selection. Unfortunately I don't know HOW to enable it. I tried pressing the ALT-key like I am used to in Visual Studio and all other Microsoft products but that had no effect. ...
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Store query result in a variable using in PL/pgSQL

... I think you're looking for SELECT INTO: select test_table.name into name from test_table where id = x; That will pull the name from test_table where id is your function's argument and leave it in the name variable. Don't leave out the table name pre...
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SQL selecting rows by most recent date

...eturns a result set with ChargeId, ChargeType, and MostRecentServiceMonth SELECT CHARGEID, CHARGETYPE, MAX(SERVICEMONTH) AS "MostRecentServiceMonth" FROM INVOICE GROUP BY CHARGEID, CHARGETYPE share | ...
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postgresql list and order tables by size

... select table_name, pg_relation_size(quote_ident(table_name)) from information_schema.tables where table_schema = 'public' order by 2 This shows you the size of all tables in the schema public if you have multiple schemas, y...
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SQL/mysql - Select distinct/UNIQUE but return all columns?

... You're looking for a group by: select * from table group by field1 Which can occasionally be written with a distinct on statement: select distinct on field1 * from table On most platforms, however, neither of the above will work because the behavior o...
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jQuery to retrieve and set selected option value of html select element

I am attempting to retrieve and set the selected value of a select element (drop down list) with jQuery. 9 Answers ...
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How to ensure a form field is submitted when it is disabled?

I have a select form field that I want to mark as "readonly", as in the user cannot modify the value, but the value is still submitted with the form. Using the disabled attribute prevents the user from changing the value, but does not submit the value with the form. ...
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Using group by on multiple columns

..., to do with who is attending what subject at a university: Table: Subject_Selection +---------+----------+----------+ | Subject | Semester | Attendee | +---------+----------+----------+ | ITB001 | 1 | John | | ITB001 | 1 | Bob | | ITB001 | 1 | Mickey | | ITB001 ...