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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
3,14311 gold badge1818 silver badges2222 bronze badges
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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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Explain which gitignore rule is ignoring my file
... check-ignore -v filename (thanks BTW)
I found that my .gitignore file was blocking everything because there was a newline after a wildcard, so I had:
*
.sublime-project
as an example. I just removed the newline, and voila! It was fixed.
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RegEx match open tags except XHTML self-contained tags
...: I should note that this regex still breaks down in the presence of CDATA blocks, comments, and script and style elements. Good news is, you can get rid of those using a regex...
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