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In Scala how do I remove duplicates from a list?
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8 Answers
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Converting a list to a set changes element order
Recently I noticed that when I am converting a list to set the order of elements is changed and is sorted by character.
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How does git compute file hashes?
The SHA1 hashes stored in the tree objects (as returned by git ls-tree ) do not match the SHA1 hashes of the file content (as returned by sha1sum )
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Round to 5 (or other number) in Python
Is there a built-in function that can round like the following?
16 Answers
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Root user/sudo equivalent in Cygwin?
I'm trying to run a bash script in Cygwin.
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Difference between string and char[] types in C++
I know a little C and now I'm taking a look at C++.
I'm used to char arrays for dealing with C strings, but while I look at C++ code I see there are examples using both string type and char arrays:
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Convert data.frame column to a vector?
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11 Answers
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JavaScript function similar to Python range()
Is there a function in JavaScript similar to Python's range() ?
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How do HashTables deal with collisions?
I've heard in my degree classes that a HashTable will place a new entry into the 'next available' bucket if the new Key entry collides with another.
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How to insert a text at the beginning of a file?
So far I've been able to find how to add a line at the beginning of a file but that's not exactly what I want. I'll show it on a example
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