大约有 47,000 项符合查询结果(耗时:0.0326秒) [XML]

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How to create a SQL Server function to “join” multiple rows from a subquery into a single delimited

... If you're using SQL Server 2005, you could use the FOR XML PATH command. SELECT [VehicleID] , [Name] , (STUFF((SELECT CAST(', ' + [City] AS VARCHAR(MAX)) FROM [Location] WHERE (VehicleID = Vehicle.VehicleID) FOR XML PATH ('')), 1, 2, '')) AS Locations FROM [...
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How to calculate percentage with a SQL statement

...ultiplication of 100 in the wrong place and had some missing parenthesis. Select Grade, (Count(Grade)* 100 / (Select Count(*) From MyTable)) as Score From MyTable Group By Grade share | improve th...
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Get records with max value for each group of grouped SQL results

... There's a super-simple way to do this in mysql: select * from (select * from mytable order by `Group`, age desc, Person) x group by `Group` This works because in mysql you're allowed to not aggregate non-group-by columns, in which case mysql just returns the first row. T...
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How can I use the $index inside a ng-repeat to enable a class and show a DIV?

... The issue here is that ng-repeat creates its own scope, so when you do selected=$index it creates a new a selected property in that scope rather than altering the existing one. To fix this you have two options: Change the selected property to a non-primitive (ie object or array, which makes jav...
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Get a list of checked checkboxes in a div using jQuery

I want to get a list of names of checkboxes that are selected in a div with certain id. How would I do that using jQuery? 8...
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How do I skip a match when using Ctrl+D for multiple selections in Sublime Text 2?

... @Qwerty: Alt+F3 Selects all occurrences. – Emil Stenström May 17 '14 at 15:16 16 ...
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How to access parent scope from within a custom directive *with own scope* in AngularJS?

...;/p> <p> Directive Content</p> <sd-items-filter selected-items="selectedItems" selected-items-changed="selectedItemsChanged(selectedItems)" items="items"> </sd-items-filter> <P style="color:red">Selected Items (in parent controller) set to: {{selectedI...
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Adding 'serial' to existing column in Postgres

...int, b text); CREATE TABLE bar (a serial, b text); INSERT INTO foo (a, b) SELECT i, 'foo ' || i::text FROM generate_series(1, 5) i; INSERT INTO bar (b) SELECT 'bar ' || i::text FROM generate_series(1, 5) i; -- blocks of commands to turn foo into bar CREATE SEQUENCE foo_a_seq; ALTER TABLE foo ALTER...
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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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PHP method chaining?

...imed at creating a DSL. Ex: $foo->setBar(1)->setBaz(2) vs $table->select()->from('foo')->where('bar = 1')->order('ASC). The latter spans multiple objects. – Gordon Sep 16 '10 at 7:32 ...