大约有 10,940 项符合查询结果(耗时:0.0245秒) [XML]

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Callback when CSS3 transition finishes

... For transitions you can use the following to detect the end of a transition via jQuery: $("#someSelector").bind("transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd", function(){ ... }); Mozilla has an excellent reference: https...
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What are best practices for using SmtpClient, SendAsync and Dispose under .NET 4.0

...n how to manage SmtpClient now that it is disposable, especially if I make calls using SendAsync. Presumably I should not call Dispose until SendAsync completes. But should I ever call it (e.g., using "using"). The scenario is a WCF service which mails out email periodically when calls are made. ...
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How to find duplicates in 2 columns not 1

... MySQL database table with two columns that interest me. Individually they can each have duplicates, but they should never have a duplicate of BOTH of them having the same value. ...
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Android - Set fragment id

How can I set a Fragment 's Id so that I can use getSupportFragmentManager().findFragmentById(R.id.--) ? 7 Answers ...
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C/C++ Struct vs Class

...shing my C++ class it seemed to me the structs/classes are virtually identical except with a few minor differences. 6 Answe...
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Are there any style options for the HTML5 Date picker?

...d ::-webkit-datetime-edit-year-field ::-webkit-inner-spin-button ::-webkit-calendar-picker-indicator So if you thought the date input could use more spacing and a ridiculous color scheme you could add the following: ::-webkit-datetime-edit { padding: 1em; } ::-webkit-datetime-edit-fields-wra...
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Loading Backbone and Underscore using RequireJS

...kbone and Underscore, it seems kind of tricky. For one, Underscore automatically registers itself as a module, but Backbone assumes Underscore is available globally. I should also note that Backbone doesn't seem to register itself as a module which makes it kind of inconsistent with the other libs. ...
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Django filter queryset __in for *every* item in list

...s suggested by jpic and sgallen in the comments, to add .filter() for each category. Each additional filter adds more joins, which should not be a problem for small set of categories. There is the aggregation approach. This query would be shorter and perhaps quicker for a large set of categories. ...
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What database does Google use?

...stem (built by Google) for managing structured data that is designed to scale to a very large size: petabytes of data across thousands of commodity servers. Many projects at Google store data in Bigtable, including web indexing, Google Earth, and Google Finance. These applications p...
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Is Meyers' implementation of the Singleton pattern thread safe?

.... In C++03, this code wasn't thread safe. There is an article by Meyers called "C++ and the Perils of Double-Checked Locking" which discusses thread safe implementations of the pattern, and the conclusion is, more or less, that (in C++03) full locking around the instantiating method is basically ...