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What is the fastest substring search algorithm?

OK, so I don't sound like an idiot I'm going to state the problem/requirements more explicitly: 18 Answers ...
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Calculate distance between two latitude-longitude points? (Haversine formula)

... 41 Answers 41 Active O...
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How to make a edittext box in a dialog

I am trying to make a edittext box in a dialog box for entering a password. and when I am doing I am not able to do. I am a beginner in it. Please help me in this. ...
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Listing all extras of an Intent

For debugging reasons I want to list all extras (and their values) of an Intent. Now, getting the keys isn't a problem 12 A...
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Distinct in Linq based on only one field of the table

I am trying to use .distinct in Linq to get result based on one field of the table (so do not require a whole duplicated records from table). ...
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How to import multiple .csv files at once?

Suppose we have a folder containing multiple data.csv files, each containing the same number of variables but each from different times. Is there a way in R to import them all simultaneously rather than having to import them all individually? ...
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Dealing with float precision in Javascript [duplicate]

I have a large amount of numeric values y in javascript. I want to group them by rounding them down to the nearest multiple of x and convert the result to a string. ...
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Replace non-ASCII characters with a single space

I need to replace all non-ASCII (\x00-\x7F) characters with a space. I'm surprised that this is not dead-easy in Python, unless I'm missing something. The following function simply removes all non-ASCII characters: ...
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Copy file or directories recursively in Python

Python seems to have functions for copying files (e.g. shutil.copy ) and functions for copying directories (e.g. shutil.copytree ) but I haven't found any function that handles both. Sure, it's trivial to check whether you want to copy a file or a directory, but it seems like a strange omission. ...
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How to format a number as percentage in R?

One of the things that used to perplex me as a newby to R was how to format a number as a percentage for printing. 10 Answe...