大约有 848 项符合查询结果(耗时:0.0228秒) [XML]

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Should MySQL have its timezone set to UTC?

... https://bugs.mysql.com/bug.php?id=68861 http://dev.mysql.com/doc/refman/5.0/en/date-and-time-functions.html http://dev.mysql.com/doc/refman/5.1/en/datetime.html http://en.wikipedia.org/wiki/Coordinated_Universal_Time http://shafiqissani.wordpress.com/2010/09/30/how-to-get-the-current-epoch-time-u...
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What is the concept of erasure in generics in Java?

... remove(); } Class java.util.Iterator as it is defined in Java SE version 5.0: public interface Iterator<E> { boolean hasNext(); E next(); void remove(); } share | improve this ...
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AI2 Media Notification

...p Inventor and a sample application. Usage Since API level 21 (LolliPop 5.0) there is a special type of notification that was specially developed to control media players. External playback devices like headphones can control the media player via this notification too. This extension is only int...
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Objective-C ARC: strong vs retain and weak vs assign

...: weak references aren't allowed in deployment targets where the os is not 5.0 or higher. So for older projects you can still use assign, but if you move to newer versions you have to switch to weak – Mattia Feb 1 '12 at 12:25 ...
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With CSS, use “…” for overflowed block of multi-lines

...er support - as stated in the article: So far we have tested on Safari 5.0, IE 9 (must be in standards mode), Opera 12 and Firefox 15. Older browsers will still work quite well, as the meat of the layout is in normal positioning, margin and padding properties. if your platform is olde...
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How to perform Callbacks in Objective-C

... To keep this question up-to-date, iOS 5.0's introduction of ARC means this can be achieved using Blocks even more concisely: @interface Robot: NSObject + (void)sayHi:(void(^)(NSString *))callback; @end @implementation Robot + (void)sayHi:(void(^)(NSString *))ca...
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Why does an image captured using camera intent gets rotated on some devices on Android?

... it on Android Android 4.1 (Jelly Bean), Android 4.4 (KitKat) and Android 5.0 (Lollipop). Steps Scale down the image if it was bigger than 1024x1024. Rotate the image to the right orientation only if it was rotate 90, 180 or 270 degree. Recycle the rotated image for memory purposes. Here is th...
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An async/await example that causes a deadlock

...synchronous programming using c#'s async / await keywords (I'm new to c# 5.0). 5 Answers ...
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Difference between classification and clustering in data mining? [closed]

...’s height is, there would be a lot of answers because the heights can be 5.0, 5.01, 5.011, etc. But a simple classification like types of light sabers (red,blue.green) would have very limited answers. Infact they can be represented with simple numbers. Red can be 0 , Blue can be 1 and Green can b...
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Null vs. False vs. 0 in PHP

...doesn't exist in the database or is unknown. See dev.mysql.com/doc/refman/5.0/en/working-with-null.html or en.wikipedia.org/wiki/Null_%28SQL%29. – Eli Dec 5 '12 at 3:39 2 ...