大约有 42,000 项符合查询结果(耗时:0.0616秒) [XML]

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Is there a way to simulate the C++ 'friend' concept in Java?

... in JAVA to replicate C++ friend mechanism. Lets say I have a class Romeo and another class Juliet. They are in different packages (family) for hatred reasons. Romeo wants to cuddle Juliet and Juliet wants to only let Romeo cuddle her. In C++, Juliet would declare Romeo as a (lover) friend but th...
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What's the difference between istringstream, ostringstream and stringstream? / Why not use stringstr

When would I use std::istringstream , std::ostringstream and std::stringstream and why shouldn't I just use std::stringstream in every scenario (are there any runtime performance issues?). ...
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What is the difference between Culture and UICulture?

...someone give me a bit more information on the difference between Culture and UICulture within the .NET framework? What they do and when to use what? ...
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C++, Free-Store vs Heap

...ce. Do compilers make a distinction between the two terms? ( Free store and Heap , not new/malloc ) 7 Answers ...
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Node.js Unit Testing [closed]

... I ended up using node-unit and am really happy with it. I was using Expresso originally but the fact that it runs tests in parallel caused a few problems. (For example using database fixtures doesn't work well in this situation). ...
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Hibernate Error: org.hibernate.NonUniqueObjectException: a different object with the same identifier

I have two user Objects and while I try to save the object using 36 Answers 36 ...
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IllegalArgumentException or NullPointerException for a null parameter? [closed]

I have a simple setter method for a property and null is not appropriate for this particular property. I have always been torn in this situation: should I throw an IllegalArgumentException , or a NullPointerException ? From the javadocs, both seem appropriate. Is there some kind of an understood...
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SQL (MySQL) vs NoSQL (CouchDB) [closed]

... must store a lot of data. Just for example it will store lots about users and then things like a lot of their messages, comments etc. I have always used MySQL before but now I am minded to try something new like couchdb or similar which is not SQL. ...
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Why so red? IntelliJ seems to think every declaration/method cannot be found/resolved

I just installed and re-installed IntelliJ. Every Java file is coming up RED. I checked the JDK; it is at 1.6.##. The maven clean install build worked just fine. ...
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How to prevent sticky hover effects for buttons on touch devices

I have created a carousel with a previous and a next button that are always visible. These buttons have a hover state, they turn blue. On touch devices, like iPad, the hover state is sticky, so the button stays blue after tapping it. I don't want that. ...