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Does ruby have real multithreading?
...t have, YARV is closer.
JRuby and MacRuby have.
Ruby has closures as Blocks, lambdas and Procs. To take full advantage of closures and multiple cores in JRuby, Java's executors come in handy; for MacRuby I like GCD's queues.
Note that, being able to create real "OS-level" threads doesn't impl...
Understanding implicit in Scala
...age from the Play documentation (see also API docs). You are using
apply(block: (Request[AnyContent]) ⇒ Result): Action[AnyContent]
on the Action object (which is the companion to the trait of the same name).
So we need to supply a Function as the argument, which can be written as a literal i...
Why are Perl 5's function prototypes bad?
... general, using $ should be avoided. Prototypes are only useful when using block arguments (&), globs (*), or reference prototypes (\@, \$, \%, \*)
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Truly understanding the difference between procedural and functional
...ming is the mindset - imperative programmers are thinking of variables and blocks of memory, whereas functional programmers are thinking, "How can I transform my input data into my output data" - your "program" is the pipeline and set of transforms on the data to take it from the Input to the Output...
Generate a random point within a circle (uniformly)
... then 2-u else u
[r*cos(t), r*sin(t)]
Here it is in Mathematica.
f[] := Block[{u, t, r},
u = Random[] + Random[];
t = Random[] 2 Pi;
r = If[u > 1, 2 - u, u];
{r Cos[t], r Sin[t]}
]
ListPlot[Table[f[], {10000}], AspectRatio -> Automatic]
...
What is the best way to deal with the NSDateFormatter locale “feechur”?
...ateFormatter is not thread-safe and you have to use locks or @synchronized blocks when you're using the same instance from multiple threads.
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What is “the inverse side of the association” in a bidirectional JPA OneToMany/ManyToOne association
...nswered Feb 24 '14 at 17:37
Ken BlockKen Block
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What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?
... when dismissing the view controller.
Keeping strong references to self in blocks.
Using strong references to delegates in view controller properties
Luckily I came across the following blog post and was able to correct them: http://www.reigndesign.com/blog/debugging-retain-cycles-in-objective-c-f...
Java to Clojure rewrite
...normal" STM transactional behaviour by wrapping any code in a (dosync ...) block.
Select the right overall web framework - Clojure has quite a few already but I'd strongly recommend Ring - see this excellent video "One Ring To Bind Them" plus either Fleet or Enlive or Hiccup depending on your templ...
In what areas might the use of F# be more appropriate than C#? [closed]
...nt Pavel! Didn't know that. I think that in some cases with large grouping blocks, I might actually prefer begin..end. ALSO: VsVim RULES!
– Dan Fitch
May 13 '10 at 21:54
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