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Intent - if activity is running, bring it to front, else start a new one (from notification)
My app has notifications, which - obviously - without any flags, start a new activity every time so I get multiple same activities running on top of each other, which is just wrong.
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Boolean method naming readability
Simple question, from a readability standpoint, which method name do you prefer for a boolean method:
12 Answers
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Why is there no logical xor in JavaScript?
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JavaScript traces its ancestry back to C, and C does not have a logical XOR operator. Mainly because it's not useful. Bitwise XOR is extremely useful, but in all my years of programming I have never needed a logical XOR.
If you have two boole...
How would I run an async Task method synchronously?
I'm learning about async/await, and ran into a situation where I need to call an async method synchronously. How can I do that?
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Returning a boolean from a Bash function
I want to write a bash function that check if a file has certain properties and returns true or false. Then I can use it in my scripts in the "if". But what should I return?
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JavaScript style for optional callbacks
... functions which occasionally (not always) will receive a callback and run it. Is checking if the callback is defined/function a good style or is there a better way?
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What does 'super' do in Python?
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The benefits of super() in single-inheritance are minimal -- mostly, you don't have to hard-code the name of the base class into every method that uses its parent methods.
However, it's almost impossible to use multiple-inheritance w...
Should I return a Collection or a Stream?
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The answer is, as always, "it depends". It depends on how big the returned collection will be. It depends on whether the result changes over time, and how important consistency of the returned result is. And it depends very much on how the user is l...
Batch file to copy files from one folder to another folder
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xcopy.exe is definitely your friend here.
It's built into Windows, so its cost is nothing.
Just xcopy /s c:\source d:\target
You'd probably want to tweak a few things; some of the options we also add include these:
/s/e - recursive copy, i...
HTML 5 tag vs Flash video. What are the pros and cons?
This question was made over 9 years ago. It made sense then, it doesn't make it now. Flash is hard on its way out; <video> support is ubiquitous, including mobile devices. Almost anything that Flash could do, HTML can now do too. HTML won, Flash lost. If you're pondering on how to embed vide...