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How to exit from the application and show the home screen?

... Android's design does not favor exiting an application by choice, but rather manages it by the OS. You can bring up the Home application by its corresponding Intent: Intent intent = new Intent(Intent.ACTION_MAIN); intent.add...
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Generate 'n' unique random numbers within a range [duplicate]

I know how to generate a random number within a range in Python. 4 Answers 4 ...
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Ruby convert Object to Hash

... |var,hash| hash[var.to_s.delete("@")] = gift.instance_variable_get(var) } and get rid of the trailing ; hash – Narfanator Jun 10 '13 at 0:14 1 ...
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When to use “new” and when not to, in C++? [duplicate]

...should I use the "new" operator in C++? I'm coming from C#/Java background and instantiating objects is confusing for me. 4...
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How do I remove all .pyc files from a project?

I've renamed some files in a fairly large project and want to remove the .pyc files they've left behind. I tried the bash script: ...
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cleanest way to skip a foreach if array is empty [duplicate]

... There are a million ways to do this. The first one would be to go ahead and run the array through foreach anyway, assuming you do have an array. In other cases this is what you might need: foreach ((array) $items as $item) { print $item; } Note: to all the people complaining about typecas...
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abort, terminate or exit?

What's the difference between those three, and how shall I end program in case of exception which I can't handle properly? ...
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How to replace all occurrences of a string?

...n(replacement) This used to be faster in some cases than using replaceAll and a regular expression, but that doesn't seem to be the case anymore in modern browsers. Benchmark: https://jsperf.com/replace-all-vs-split-join Conclusion: If you have a performance critical use case (e.g processing hundre...
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How to insert a line break in a SQL Server VARCHAR/NVARCHAR string

I didn't see any similar questions asked on this topic, and I had to research this for something I'm working on right now. Thought I would post the answer for it in case anyone else had the same question. ...
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How to store decimal values in SQL Server?

... That gives you a total of 18 digits, 4 of which after the decimal point (and 14 before the decimal point). share | improve this answer | follow | ...