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If strings are immutable in .NET, then why does Substring take O(n) time?
Given that strings are immutable in .NET, I'm wondering why they have been designed such that string.Substring() takes O( substring.Length ) time, instead of O(1) ?
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Include constant in string without concatenating
Is there a way in PHP to include a constant in a string without concatenating?
12 Answers
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Import Error: No module named numpy
I have a very similar question to this question , but still one step behind. I have only one version of Python 3 installed on my Windows 7 ( sorry ) 64-bit system.
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Is there a JSON equivalent of XQuery/XPath?
When searching for items in complex JSON arrays and hashes, like:
15 Answers
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unix - head AND tail of file
Say you have a txt file, what is the command to view the top 10 lines and bottom 10 lines of file simultaneously?
20 Answer...
OSX - How to auto Close Terminal window after the “exit” command executed.
...n I'm done with Terminal, I want to exit it. Right now, I have three options:
14 Answers
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Using ViewPagerIndicator library with Android Studio and Gradle
I'm trying to use Jake Wharton's ViewPagerIndicator library , but I'm unable to get it working with my Gradle project in Android Studio.
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Fatal error: unexpectedly found nil while unwrapping an Optional values [duplicate]
I was using an UICollectionView in Swift but I get when I try to change the text of the cell's label.
13 Answers
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Copying text outside of Vim with set mouse=a enabled
After enabling set mouse=a , text copied inside of Vim will not paste outside of Vim. Does anybody know of a way to fix this?
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How to implement a good __hash__ function in python [duplicate]
When implementing a class with multiple properties (like in the toy example below), what is the best way to handle hashing?
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