大约有 40,000 项符合查询结果(耗时:0.0235秒) [XML]

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How to pass parameters on onChange of html select

...avaScript and jQuery. I want to show one combobox-A, which is an HTML <select> with its selected id and contents at the other place on onChange(). ...
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How to comment out a block of Python code in Vim

...to allow me to indent certain lines of code (whether those lines have been selected in visual mode, or n lines above/below current cursor position). ...
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Remove Trailing Spaces and Update in Columns in SQL Server

... Try SELECT LTRIM(RTRIM('Amit Tech Corp ')) LTRIM - removes any leading spaces from left side of string RTRIM - removes any spaces from right Ex: update table set CompanyName = LTRIM(RTRIM(CompanyName)) ...
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Finding duplicate values in a SQL table

... SELECT name, email, COUNT(*) FROM users GROUP BY name, email HAVING COUNT(*) > 1 Simply group on both of the columns. Note: the older ANSI standard is to have all non-aggregated columns in the GROUP BY ...
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Hide options in a select list using jQuery

...ave an object with key/value pairs of options I want to hide/remove from a select list. Neither of the following option selectors work. What am I missing? ...
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SQL query to find record with ID not in another table

... Try this SELECT ID, Name FROM Table1 WHERE ID NOT IN (SELECT ID FROM Table2) share | improve this answer | ...
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How to check if a table exists in a given schema

... whether a table (or view) exists, and the current user has access to it? SELECT EXISTS ( SELECT FROM information_schema.tables WHERE table_schema = 'schema_name' AND table_name = 'table_name' ); The information schema is mainly useful to stay portable across major versions and...
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Count work days between two dates

... For workdays, Monday to Friday, you can do it with a single SELECT, like this: DECLARE @StartDate DATETIME DECLARE @EndDate DATETIME SET @StartDate = '2008/10/01' SET @EndDate = '2008/10/31' SELECT (DATEDIFF(dd, @StartDate, @EndDate) + 1) -(DATEDIFF(wk, @StartDate, @EndDate) *...
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SQL update fields of one table from fields of another one

...ic SQL is totally non-standard PostgreSQL syntax. DO $do$ BEGIN EXECUTE ( SELECT 'UPDATE b SET (' || string_agg( quote_ident(column_name), ',') || ') = (' || string_agg('a.' || quote_ident(column_name), ',') || ') FROM a WHERE b.id = 123 AND a.id = b.id' FROM i...
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Is it possible to style a select box? [closed]

I've got an HTML select box that I need to style. I'd prefer to use just CSS but if I have to I'll use jQuery to fill in the gaps. ...