大约有 48,000 项符合查询结果(耗时:0.0343秒) [XML]

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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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What is the difference between “INNER JOIN” and “OUTER JOIN”?

...he intersection of the two tables, i.e. the two rows they have in common. select * from a INNER JOIN b on a.a = b.b; select a.*, b.* from a,b where a.a = b.b; a | b --+-- 3 | 3 4 | 4 Left outer join A left outer join will give all rows in A, plus any common rows in B. select * from a LEFT OUT...
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Get selected element's outer HTML

I'm trying to get the HTML of a selected object with jQuery. I am aware of the .html() function; the issue is that I need the HTML including the selected object (a table row in this case, where .html() only returns the cells inside the row). ...
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COUNT(*) vs. COUNT(1) vs. COUNT(pk): which is better? [duplicate]

...for all your queries that need to count everything, even for joins, use * SELECT boss.boss_id, COUNT(subordinate.*) FROM boss LEFT JOIN subordinate on subordinate.boss_id = boss.boss_id GROUP BY boss.id But don't use COUNT(*) for LEFT joins, as that will return 1 even if the subordinate table doe...
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How to concatenate text from multiple rows into a single text string in SQL server?

...y, John, Sam 2 Alaina, Edward I used the following T-SQL: SELECT Main.SubjectID, LEFT(Main.Students,Len(Main.Students)-1) As "Students" FROM ( SELECT DISTINCT ST2.SubjectID, ( SELECT ST1.StudentName + ',' AS [text()] FR...
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How to check if an option is selected?

... UPDATE A more direct jQuery method to the option selected would be: var selected_option = $('#mySelectBox option:selected'); Answering the question .is(':selected') is what you are looking for: $('#mySelectBox option').each(function() { if($(this).is(':selected')) ....
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Sublime Text 2 multiple line edit

...t and edit all lines at once. It's also called "Split into Lines" in the "Selection" menu. share | improve this answer | follow | ...
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Execute Insert command and return inserted Id in Sql

...md=new SqlCommand("INSERT INTO Mem_Basic(Mem_Na,Mem_Occ) VALUES(@na,@occ);SELECT SCOPE_IDENTITY();",con)) { cmd.Parameters.AddWithValue("@na", Mem_NA); cmd.Parameters.AddWithValue("@occ", Mem_Occ); con.Open(); int modified = Convert.ToInt32(cmd.ExecuteScalar());...
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Better techniques for trimming leading zeros in SQL Server?

... Why don't you just cast the value to INTEGER and then back to VARCHAR? SELECT CAST(CAST('000000000' AS INTEGER) AS VARCHAR) -------- 0 share | improve this answer | ...
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UIButton: set image for selected-highlighted state

I set an images for button's states Normal,Highlighted and Selected, but when the button in selected state and I press/highlight it I didn't see my highlighted image but just grayed picture. Is it possible to set an image for highlighted state when the button selected? ...