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Is null check needed before calling instanceof?
... operator is true if the
value of the RelationalExpression is
not null and the reference could be
cast to the ReferenceType
without raising a ClassCastException.
Otherwise the result is false."
So if the operand is null, the result is false.
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How to detect iPhone 5 (widescreen devices)?
I've just upgraded to XCode 4.5 GM and found out that you can now apply the '4" Retina' size to your view controller in the storyboard.
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Convert nested Python dict to object?
...nt way to get data using attribute access on a dict with some nested dicts and lists (i.e. javascript-style object syntax).
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Easier way to create circle div than using an image?
...lt;div class="circleBase type3"></div>
To make this work in IE8 and older, you must download and use CSS3 PIE. My demo above won't work in IE8, but that's only because jsFiddle doesn't host PIE.htc.
My demo looks like this:
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What is the difference between CurrentCulture and CurrentUICulture properties of CultureInfo in .NET
...operties both returning values of the CultureInfo type: CurrentCulture and CurrentUICulture .
5 Answers
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In PHP, how do you change the key of an array element?
...r it is not a sequential numerical value. The key is actually an ID number and the value is a count. This is fine for most instances, however I want a function that gets the human-readable name of the array and uses that for the key, without changing the value.
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Convert list to dictionary using linq and not worrying about duplicates
...rson objects. I want to convert to a Dictionary where the key is the first and last name (concatenated) and the value is the Person object.
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How can I restart a Java application?
...a Java AWT application? I have a button to which I have attached an event handler. What code should I use to restart the application?
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One Activity and all other Fragments [closed]
I am thinking of implementing one screen with Activity and all other sreens with Fragments and managing all the fragments thru the activity .
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Using git repository as a database backend
..., up to ~50 categories on each level), each category contains several thousands (up to, say, ~10000) of structured documents. Each document is several kilobytes of data in some structured form (I'd prefer YAML, but it may just as well be JSON or XML).
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