大约有 47,000 项符合查询结果(耗时:0.0372秒) [XML]

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Is there a way to make text unselectable on an HTML page? [duplicate]

...an HTML UI with some text elements, such as tab names, which look bad when selected. Unfortunately, it's very easy for a user to double-click a tab name, which selects it by default in many browsers. ...
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Android Spinner: Get the selected item change event

How can you set the event listener for a Spinner when the selected item changes? 16 Answers ...
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How to remove the default arrow icon from a dropdown list (select element)?

I want to remove the dropdown arrow from a HTML <select> element. For example: 12 Answers ...
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How to get multiple counts with one SQL query?

...tion. This is basically the same thing as a PIVOT function in some RDBMS: SELECT distributor_id, count(*) AS total, sum(case when level = 'exec' then 1 else 0 end) AS ExecCount, sum(case when level = 'personal' then 1 else 0 end) AS PersonalCount FROM yourtable GROUP BY distributor_id ...
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Select first row in each GROUP BY group?

As the title suggests, I'd like to select the first row of each set of rows grouped with a GROUP BY . 17 Answers ...
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What is the difference between the states selected, checked and activated in Android?

...below added): ... For example, in a list view with single or multiple selection enabled, the views in the current selection set are activated. (Um, yeah, we are deeply sorry about the terminology here.) The activated state is propagated down to children of the view it is set on. So here...
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Sorting dropdown alphabetically in AngularJS

... Angular has an orderBy filter that can be used like this: <select ng-model="selected" ng-options="f.name for f in friends | orderBy:'name'"></select> See this fiddle for an example. It's worth noting that if track by is being used it needs to appear after the orderBy filt...
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MySQL select one column DISTINCT, with corresponding other columns

I want to select DISTINCT results from the FirstName column, but I need the corresponding ID and LastName . 12 Answe...
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Insertion Sort vs. Selection Sort

I am trying to understand the differences between Insertion Sort and Selection Sort. 20 Answers ...
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Select multiple images from android gallery

... am trying to achieve is opening the Gallery in Android and let the user select multiple images . Now this question has been asked frequently but i'm not satisfied with the answers. Mainly because i found something interesting in de docs in my IDE (i come back on this later) and thereby i don't...