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instanceof Vs getClass( )

... @overexchange - You cannot validly infer that all use of instanceof (for example) is bad design. There are situations where it may be the best solution. Same for getClass(). I will repeat that I said "overuse" and not "use". Every case needs to be judged on its merit...
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What does the @ symbol represent in objective-c?

...structs. The major exceptions are id, Class, nil, and Nil, which are generally treated as language keywords even though they may also have a typedef or #define behind them. For example, the compiler actually does treat id specially in terms of the pointer type conversion rules it applies to declar...
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Adding minutes to date time in PHP

... $minutes_to_add = 5; $time = new DateTime('2011-11-17 05:05'); $time->add(new DateInterval('PT' . $minutes_to_add . 'M')); $stamp = $time->format('Y-m-d H:i'); The ISO 8601 standard for duration is a string in the form of P...
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How to inject dependencies into a self-instantiated object in Spring?

... This is actually a bad pattern. If this is how you really use MyBean why not just have constructor with AnotherBean as parameter. Something like: code private @Autowired AnotherBean bean; public void doStuff() { MyBean obj = new M...
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what's data-reactid attribute in html?

...ct applications can be rendered at the server as well as the client. Internally React builds up a representation of references to the DOM nodes that make up your application (simplified version is below). { id: '.1oqi7occu80', node: DivRef, children: [ { id: '.1oqi7occu80.0', ...
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What is the @Html.DisplayFor syntax for?

...or certain model attributes. Helpful question and answer guys, thanks. +1s all round. – Robin Winslow Aug 8 '12 at 13:25 ...
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“Add unimplemented methods” feature in the Android Studio

In the Eclipse IDE there is a great feature allows you to add (implement) all of the required methods of the particular class. I'm looking for this feature in the Android Studio IDE, but without success so far. Is there something similar? For me it is one of the key-features and can't live without. ...
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What are the differences between segment trees, interval trees, binary indexed trees and range trees

... All these data structures are used for solving different problems: Segment tree stores intervals, and optimized for "which of these intervals contains a given point" queries. Interval tree stores intervals as well, but opti...
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What is the difference between 'java', 'javaw', and 'javaws'?

...ava Applet Viewer, JNLP and Java Web Start, including the javaws tool, are all deprecated in JDK 9 and will be removed in a future release. share | improve this answer | fol...
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How can I check that a form field is prefilled correctly using capybara?

...de. The first way is to be preferred unless you are trying this on a statically generated form. – fqxp May 16 '13 at 10:07 1 ...