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How to remove duplicate values from a multi-dimensional array in PHP
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19 Answers
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Big-O for Eight Year Olds? [duplicate]
...und what they mean conceptually. For example, if one were to perform an O(1) operation on a data structure, I understand that the number of operations it has to perform won't grow because there are more items. And an O(n) operation would mean that you would perform a set of operations on each elem...
No increment operator (++) in Ruby? [duplicate]
...s: -x == ---x == -----x == ...... To increment a number, simply write x += 1.
Taken from "Things That Newcomers to Ruby Should Know
" (archive, mirror)
That explains it better than I ever could.
EDIT: and the reason from the language author himself (source):
++ and -- are NOT reserved ope...
Installing PG gem on OS X - failure to build native extension
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How do I find the location of the executable in C? [duplicate]
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199
To summarize:
On Unixes with /proc really straight and realiable way is to:
readlink("/pro...
How to get Enum Value from index in Java?
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answered Jul 14 '11 at 11:53
Harry JoyHarry Joy
53.4k2828 gold badges147147 silver badges200200 bronze badges
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How to merge 2 JSON objects from 2 files using jq?
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165
Since 1.4 this is now possible with the * operator. When given two objects, it will merge them...
ImportError: numpy.core.multiarray failed to import
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131
I was getting the same error and was able to solve it by updating my numpy installation to 1.8...
Symbolic links and synced folders in Vagrant
...xtradata", :id, "VBoxInternal2/SharedFoldersEnableSymlinksCreate/v-root", "1"]
end
Additionally, on windows vagrant up needs to be executed in a shell with admin rights.
No workarounds necessary.
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