大约有 47,000 项符合查询结果(耗时:0.0679秒) [XML]

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How do I check if the mouse is over an element in jQuery?

... Set a timeout on the mouseout to fadeout and store the return value to data in the object. Then onmouseover, cancel the timeout if there is a value in the data. Remove the data on callback of the fadeout. It is actually less expensive to use mouseenter/mouseleave ...
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Predicate in Java

... someone guide me to any tutorial or conceptual explanation of Predicate and its implementation in Java? 4 Answers ...
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How to check if a variable exists in a FreeMarker template?

...: [#if userName??] Hi ${userName}, How are you? [/#if] Or with the standard freemarker syntax: <#if userName??> Hi ${userName}, How are you? </#if> To check if the value exists and is not empty: <#if userName?has_content> Hi ${userName}, How are you? </#if> ...
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Why does Clojure have “keywords” in addition to “symbols”?

...cently I've been reading about Clojure . I see that it has both "symbols" and "keywords". Symbols I'm familiar with, but not with keywords. ...
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What is object serialization?

...ll be serialized before it is sent over a stream. How much you need to do, and what format it will be in, are both dependent on which platform and libraries you are using. – TarkaDaal Jul 31 '14 at 15:03 ...
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Difference between parameter and argument [duplicate]

Is there a difference between a "parameter" and an "argument", or are they simply synonyms? 4 Answers ...
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Taskkill /f doesn't kill a process

When I start up an Experimental instance of VS from VS for debugging and stop debugging (sometimes directly from the parent VS), a zombile devenv.exe process remains running which I am unable to kill. It holds on to many of my dlls. ...
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What is the purpose of willSet and didSet in Swift?

...seems to be that sometimes, you need a property that has automatic storage and some behavior, for instance to notify other objects that the property just changed. When all you have is get/set, you need another field to hold the value. With willSet and didSet, you can take action when the value is mo...
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Authenticate with GitHub using a token

...ticate ( https://help.github.com/articles/creating-an-access-token-for-command-line-use ). I have tried this, but I still cannot push to GitHub. Please note, I am trying to push from an unauthenticated server (Travis-CI). ...
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Including Google Web Fonts link or import?

...hey defer the loading of the included resource until the file is fetched.. and if you have a build process which "flattens" the @import's, then you create another problem with web fonts: dynamic providers like Google WebFonts serve platform-specific versions of the fonts, so if you simply inline the...