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How to install a specific version of a ruby gem?
...in, wishing I could do multiple upvotes. Maybe if they had to be separated by at least a year. :)
– Don Branson
May 21 at 14:48
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How to optimize for-comprehensions and loops in Scala?
... Problem 5: "What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?"
8 Answers
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What is the maximum float in Python?
I think the maximum integer in python is available by calling sys.maxint .
3 Answers
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Swift and mutating struct
...theory, Swift compiler (or LLVM) can perform copy-elision on values passed by let, just like in C++. If you use immutable struct wisely, it will outperform refcounted classes.
Update
As @Joseph claimed this doesn't provide why, I am adding a little more.
Structs have two kind of methods. plain an...
'Incomplete final line' warning when trying to read a .csv file into R
...ck of a final EOL. There's no way that in your case the warning was thrown by the function readTableHeader, because that one doesn't read the final line. Hence your problem is not the same as that of the OP.
– Joris Meys
May 1 at 11:31
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What does the brk() system call do?
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In the diagram you posted, the "break"—the address manipulated by brk and sbrk—is the dotted line at the top of the heap.
The documentation you've read describes this as the end of the "data segment" because in traditional (pre-shared-libraries, pre-mmap) Unix the data segment was c...
Do the JSON keys have to be surrounded by quotes?
...s are not simpler in many situations, such as config files that are edited by hand. The unfortunate thing about JSON being used (and misused) as an almost universal interchange format is that it has features specific to Javascript.
– miguel
Jan 13 '15 at 22:56
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Detach many subdirectories into a new, separate Git repository
...-q $GIT_COMMIT -- apps/AAA libs/XXX' --prune-empty -- --all
As mentioned by void.pointer in his/her comment, this will remove everything except apps/AAA and libs/XXX from current repository.
Prune empty merge commits
This leaves behind lots of empty merges. These can be removed by another pass a...
Are the PUT, DELETE, HEAD, etc methods available in most web browsers?
...est methods. A workaround for this is to tunnel other methods through POST by using a hidden form field which is read by the server and the request dispatched accordingly.
However, GET, POST, PUT and DELETE are supported by the implementations of XMLHttpRequest (i.e. AJAX calls) in all the major we...
Should a Netflix or Twitter-style web service use REST or SOAP? [closed]
...ency that kills. If people are really concerned about the number of excess bytes going across the wire then maybe HTTP is not the right choice. Have you seen how many bytes are used by the user-agent header?
Yeah, have you ever tried using a web browser as debugging tool for anything other than HTM...