大约有 47,000 项符合查询结果(耗时:0.0604秒) [XML]

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T-SQL: Opposite to string concatenation - how to split string into multiple records [duplicate]

...12)) RETURNS table AS RETURN ( WITH Pieces(pn, start, stop) AS ( SELECT 1, 1, CHARINDEX(@sep, @s) UNION ALL SELECT pn + 1, stop + 1, CHARINDEX(@sep, @s, stop + 1) FROM Pieces WHERE stop > 0 ) SELECT pn, SUBSTRING(@s, start, CASE WHEN stop > 0 THE...
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Javascript Equivalent to C# LINQ Select

...always add custom methods to the array prototype as well: Array.prototype.select = function(expr){ var arr = this; //do custom stuff return arr.map(expr); //or $.map(expr); }; var ids = this.fruits.select(function(v){ return v.Id; }); An extended version that uses the function ...
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Get cursor position (in characters) within a text Input field

... Easier update: Use field.selectionStart example in this answer. Thanks to @commonSenseCode for pointing this out. Old answer: Found this solution. Not jquery based but there is no problem to integrate it to jquery: /* ** Returns the caret (curs...
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Find the number of columns in a table

... SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE table_catalog = 'database_name' -- the database AND table_name = 'table_name' share ...
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How can I select an element with multiple classes in jQuery?

I want to select all the elements that have the two classes a and b . 13 Answers 13...
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How to submit form on change of dropdown list?

I am creating a page in JSP where I have a dropdown list and once the user selects a value he has to click on the go button and then the value is sent to the Servlet. ...
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Getting only Month and Year from SQL DATE

...o 'discard' the Days, Hours, etc - Leaving a year/month only date field SELECT DATEADD(MONTH, DATEDIFF(MONTH, 0, <dateField>), 0) AS [year_month_date_field] FROM <your_table> This gets the number of whole months from a base date (0) and then adds them to that base date. Thus ...
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Resetting a multi-stage form with jQuery

...n, :submit, :reset, :hidden') .val('') .removeAttr('checked') .removeAttr('selected'); Which might work for a lot of cases, including for the OP, but as pointed out in the comments and in other answers, will clear radio/checkbox elements from any value attributes. A more correct answer (but not per...
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Counting DISTINCT over multiple columns

... function turns the ints into varchars to make the distinct more reliable SELECT COUNT(DISTINCT (CHECKSUM(DocumentId,DocumentSessionId)) + CHECKSUM(REVERSE(DocumentId),REVERSE(DocumentSessionId)) ) FROM DocumentOutPutItems ...
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MySQL - Using COUNT(*) in the WHERE clause

... try this; select gid from `gd` group by gid having count(*) > 10 order by lastupdated desc share | improve this answer ...