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iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?

...se to change the app's layout to fit the remaining space when the keyboard is shown. However, I have found no way to detect when or whether the keyboard is shown. ...
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JavaScript variables declare outside or inside loop?

In AS3 I believe you should initialise all variables outside loops for increased performance. Is this the case with JavaScript as well? Which is better / faster / best-practice? ...
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Correct way to define C++ namespace methods in .cpp file

... Version 2 is unclear and not easy to understand because you don't know which namespace MyClass belongs to and it's just illogical (class function not in the same namespace?) Version 1 is right because it shows that in the namespace, y...
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What are “connecting characters” in Java identifiers?

I am reading for SCJP and I have a question regarding this line: 7 Answers 7 ...
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Is it possible to create static classes in PHP (like in C#)?

... share | improve this answer | follow | edited Nov 23 '16 at 23:23 James Jones 3,57455 gol...
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Cross field validation with Hibernate Validator (JSR 303)

Is there an implementation of (or third-party implementation for) cross field validation in Hibernate Validator 4.x? If not, what is the cleanest way to implement a cross field validator? ...
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How do I use the conditional operator (? :) in Ruby?

How is the conditional operator ( ? : ) used in Ruby? 7 Answers 7 ...
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Should I use char** argv or char* argv[]?

...ing C and was wondering which one of these I should use in my main method. Is there any difference? Which one is more common? ...
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Is it a bad practice to use break in a for loop? [closed]

Is it a bad practice to use break statement inside a for loop ? 19 Answers 19 ...
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How do you query for “is not null” in Mongo?

... This will return all documents with a key called "IMAGE URL", but they may still have a null value. db.mycollection.find({"IMAGE URL":{$exists:true}}); This will return all documents with both a key called "IMAGE URL" and a no...