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Should I use string.isEmpty() or “”.equals(string)?
...turn false if it's null), which you seem to not care about. If you're not worried about s being null (or are otherwise checking for it), I would definitely use s.isEmpty(); it shows exactly what you're checking, you care whether or not s is empty, not whether it equals the empty string
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How can I find WPF controls by name or type?
I need to search a WPF control hierarchy for controls that match a given name or type. How can I do this?
18 Answers
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Why does Java have transient fields?
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The transient keyword in Java is used to indicate that a field should not be part of the serialization (which means saved, like to a file) process.
From the Java Language Specification, Java SE 7 Edition, Section 8.3.1.3. transient Fields:
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How does JavaScript .prototype work?
... head around this prototype-based programming, does any one know how this works?
26 Answers
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Should unit tests be written for getter and setters?
Are we supposed to write tests for our getters and setters or is it overkill?
13 Answers
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How can I check if a view is visible or not in Android? [duplicate]
... visible.
View.INVISIBLE
The view is invisible, but any spacing it would normally take up will still be used. Its "invisible"
View.GONE
The view is gone, you can't see it and it doesn't take up the "spot".
So to answer your question, you're looking for:
if (myImageView.getVisibility() == View.VI...
What does “export” do in shell programming? [duplicate]
As far as I can tell, variable assignment is the same whether it is or is not preceded by "export". What's it for?
3 Answer...
When should you branch?
When working with a SCM system, when should you branch?
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Detect HTTP or HTTPS then force HTTPS in JavaScript
Is there any way to detect HTTP or HTTPS and then force usage of HTTPS with JavaScript?
13 Answers
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Location Services not working in iOS 8
My app that worked fine on iOS 7 doesn't work with the iOS 8 SDK.
26 Answers
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