大约有 41,000 项符合查询结果(耗时:0.0334秒) [XML]

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Concrete Javascript Regex for Accented Characters (Diacritics)

I've looked on Stack Overflow ( replacing characters.. eh , how JavaScript doesn't follow the Unicode standard concerning RegExp , etc.) and haven't really found a concrete answer to the question: ...
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How to use index in select statement?

... If you want to test the index to see if it works, here is the syntax: SELECT * FROM Table WITH(INDEX(Index_Name)) The WITH statement will force the index to be used. share | improve this answ...
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Subtract one day from datetime

... Try this SELECT DATEDIFF(DAY, DATEADD(day, -1, '2013-03-13 00:00:00.000'), GETDATE()) OR SELECT DATEDIFF(DAY, DATEADD(day, -1, @CreatedDate), GETDATE()) ...
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How to generate a range of numbers between two numbers?

... Select non-persisted values with the VALUES keyword. Then use JOINs to generate lots and lots of combinations (can be extended to create hundreds of thousands of rows and beyond). SELECT ones.n + 10*tens.n + 100*hundreds.n +...
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How do I check how many options there are in a dropdown menu?

... var length = $('#mySelectList').children('option').length; or var length = $('#mySelectList > option').length; This assumes your <select> list has an ID of mySelectList. http://api.jquery.com/length/ http://api.jquery.com/childr...
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Get value when selected ng-option changes

...ple: <div ng-app="App" > <div ng-controller="ctrl"> <select ng-model="blisterPackTemplateSelected" ng-change="changedValue(blisterPackTemplateSelected)" data-ng-options="blisterPackTemplate as blisterPackTemplate.name for blisterPackTemplate in blisterPackTemplates...
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MySQL Great Circle Distance (Haversine formula)

...ults. To search by kilometers instead of miles, replace 3959 with 6371. SELECT id, ( 3959 * acos( cos( radians(37) ) * cos( radians( lat ) ) * cos( radians( lng ) - radians(-122) ) + sin( radians(37) ) * sin(radians(lat)) ) ) AS distance FROM markers HAVING distance < 25 ORDER BY distance ...
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What is the simplest SQL Query to find the second largest value?

... SELECT MAX( col ) FROM table WHERE col < ( SELECT MAX( col ) FROM table ) share | improve this answ...
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How to select only date from a DATETIME field in MySQL?

...e a table in the MySQL database that is set up with DATETIME . I need to SELECT in this table only by DATE and excluding the time. ...
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How do I find duplicate values in a table in Oracle?

...then use a HAVING clause to find values that appear greater than one time. SELECT column_name, COUNT(column_name) FROM table_name GROUP BY column_name HAVING COUNT(column_name) > 1; share | impr...