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R command for setting working directory to source file location in Rstudio
I am working out some tutorials in R. Each R code is contained in a specific folder. There are data files and other files in there. I want to open the .r file and source it such that I do not have to change the working directory in Rstudio as shown below:
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How do I split a string so I can access item x?
Using SQL Server, how do I split a string so I can access item x?
44 Answers
44
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maximum value of int
Is there any code to find the maximum value of integer (accordingly to the compiler) in C/C++ like Integer.MaxValue function in java?
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Secure hash and salt for PHP passwords
... address as suggested in first answer.
More explanation is available at- http://www.pivotalsecurity.com/blog/password-hashing-salt-should-it-be-random/
Recently I had a discussion whether password hashes salted with random
bits are more secure than the one salted with guessable or known
sa...
Modern way to filter STL container?
Coming back to C++ after years of C# I was wondering what the modern - read: C++11 - way of filtering an array would be, i.e. how can we achieve something similar to this Linq query:
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Is it considered acceptable to not call Dispose() on a TPL Task object?
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How to export data as CSV format from SQL Server using sqlcmd?
I can quite easily dump data into a text file such as:
11 Answers
11
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C++ Const Usage Explanation
Can someone explain the usage of each of the const?
12 Answers
12
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Generate list of all possible permutations of a string
How would I go about generating a list of all possible permutations of a string between x and y characters in length, containing a variable list of characters.
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Replace duplicate spaces with a single space in T-SQL
I need to ensure that a given field does not have more than one space (I am not concerned about all white space, just space) between characters.
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