大约有 47,000 项符合查询结果(耗时:0.0456秒) [XML]

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How do I make a placeholder for a 'select' box?

...s which is working out just fine. But I'd like to use a placeholder for my selectboxes as well. Of course I can just use this code: ...
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Set cursor position on contentEditable

...upport DOM Range. var editable = document.getElementById('editable'), selection, range; // Populates selection and range variables var captureSelection = function(e) { // Don't capture selection outside editable region var isOrContainsAnchor = false, isOrContainsFocus = false, ...
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Select random row from a sqlite table

... Have a look at Selecting a Random Row from an SQLite Table SELECT * FROM table ORDER BY RANDOM() LIMIT 1; share | improve this answer ...
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What is the best way to solve an Objective-C namespace collision?

...uld prefix them with "IBM"; if you work for Microsoft, you could use "MS"; and so on. Sometimes the initials refer to the project, e.g. Adium prefixes classes with "AI" (as there is no company behind it of that you could take the initials). Apple prefixes classes with NS and says this prefix is rese...
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How to filter SQL results in a has-many-through relation

... Results: Total runtimes from EXPLAIN ANALYZE. 1) Martin 2: 44.594 ms SELECT s.stud_id, s.name FROM student s JOIN student_club sc USING (stud_id) WHERE sc.club_id IN (30, 50) GROUP BY 1,2 HAVING COUNT(*) > 1; 2) Erwin 1: 33.217 ms SELECT s.stud_id, s.name FROM student s JOIN ...
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Delete all data in SQL Server database

...stem stored procs */ DECLARE @name VARCHAR(128) DECLARE @SQL VARCHAR(254) SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] = 'P' AND category = 0 ORDER BY [name]) WHILE @name is not null BEGIN SELECT @SQL = 'DROP PROCEDURE [dbo].[' + RTRIM(@name) +']' EXEC (@SQL) PRINT ...
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What are best practices that you use when writing Objective-C and Cocoa? [closed]

I know about the HIG (which is quite handy!), but what programming practices do you use when writing Objective-C, and more specifically when using Cocoa (or CocoaTouch). ...
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Can I apply the required attribute to fields in HTML5?

How can I check if a user has selected something from a <select> field in HTML5? 13 Answers ...
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set the width of select2 input (through Angular-ui directive)

I have problem making this plunkr (select2 + angulat-ui) work. 11 Answers 11 ...
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How do I disable text selection with CSS or JavaScript? [duplicate]

... <div style="-moz-user-select: none; -webkit-user-select: none; -ms-user-select:none; user-select:none;-o-user-select:none;" unselectable="on" onselectstart="return false;" onmousedown="return false;"> Blabla </div> ...