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Swift Beta performance: sorting arrays
...Swift's performance improved by a factor of 20.
As per mweathers' answer, setting [-Ofast] makes the real difference, resulting in these times for n=10_000:
Swift: 0.000706745
C: 0.000742374
Swift_builtin: 0.000603576
And for n=1_000_000:
Swift: 0.1071118...
Is errno thread-safe?
...or
more threads can encounter errors, all
causing the same errno to be set.
Under these circumstances, a thread
might end up checking errno after it
has already been updated by another
thread.
To circumvent the resulting
nondeterminism, POSIX.1c redefines
errno as a service that...
How to run functions in parallel?
I researched first and couldn't find an answer to my question. I am trying to run multiple functions in parallel in Python.
...
Update built-in vim on Mac OS X
...SHOULD do.
Part 2: The "correct" answer (but a bad idea)
Assuming you're set on doing that, you are definitely on track. To install on top of your current installation, you need to set the "prefix" directory. That's done like this:
hg clone https://bitbucket.org/vim-mirror/vim or git clone https:...
Npm Please try using this command again as root/administrator
...
If you're using TFS or any other source control for your project that sets your checked in file
Grep only the first match and stop
... editor after snippets, if snippets enabled
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Python Empty Generator Function
In python, one can easily define an iterator function, by putting the yield keyword in the function's body, such as:
9 Answ...
Advantages of stateless programming?
I've recently been learning about functional programming (specifically Haskell, but I've gone through tutorials on Lisp and Erlang as well). While I found the concepts very enlightening, I still don't see the practical side of the "no side effects" concept. What are the practical advantages of it? ...
How can I calculate an md5 checksum of a directory?
...duces a single md5sum that should be unique to your file and sub-directory setup. No files are created on disk.
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How to debug stream().map(…) with lambda expressions?
...em debugging lambda expressions while using Eclipse or IntelliJ IDEA. Just set a breakpoint and be sure not to inspect the whole lambda expression (inspect only the lambda body).
Another approach is to use peek to inspect the elements of the stream:
List<Integer> naturals = Arrays.asList(...