大约有 43,000 项符合查询结果(耗时:0.0402秒) [XML]

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jQuery Validate Required Select

I am trying to validate html select element using jQuery Validate plugin. I set "required" rule to true but it always passes validation because zero index is chosed by default. Is there any way to define empty value that is used by required rule? ...
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How to split a String by space

...the trim caveat, you might want to consider the unicode non-breaking space character (U+00A0). This character prints just like a regular space in string, and often lurks in copy-pasted text from rich text editors or web pages. They are not handled by .trim() which tests for characters to remove usin...
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How do you use the “WITH” clause in MySQL?

...s mentioned, you provided a poor example - there's no need to perform a subselect if you aren't altering the output of the columns in any way: SELECT * FROM ARTICLE t JOIN USERINFO ui ON ui.user_userid = t.article_ownerid JOIN CATEGORY c ON c.catid = t.article_categoryid WHERE t....
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Finding the type of an object in C++

... edited Jun 26 at 0:11 Richard Chambers 13.5k33 gold badges5656 silver badges8484 bronze badges answered Dec 9 '08 at 5:14 ...
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How do I get the color from a hexadecimal color code using .NET?

...n error checking (colorcode should be a hexadecimal value of either 6 or 8 characters) share | improve this answer | follow | ...
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How can I find the latitude and longitude from address?

... while ((b = stream.read()) != -1) { stringBuilder.append((char) b); } } catch (ClientProtocolException e) { } catch (IOException e) { } JSONObject jsonObject = new JSONObject(); try { jsonObject = new JSONObject(string...
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Select count(*) from multiple tables

How can I select count(*) from two different tables (call them tab1 and tab2 ) having as result: 18 Answers ...
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Becoming better at Vim [closed]

...nsciously use it as a navigation tool. The searches [/, ?] and the inline char based searc
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how to use ng-option to set default value of select element

I've seen the documentation of the Angular select directive here: http://docs.angularjs.org/api/ng.directive:select . I can't figure how to set the default value. This is confusing: ...
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What is the difference D3 datum vs. data?

...rs here on SO are not complete as they only cover the case when you invoke selection.data and selection.datum with an input data parameter. Even in that scenario, the two behave differently if the selection is a single element versus when it contains multiple elements. Moreover, both of these method...