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Can every recursion be converted into iteration?
...an iterative model (such as the Turing machine) and vice versa. The thesis does not tell you precisely how to do the conversion, but it does say that it's definitely possible.
In many cases, converting a recursive function is easy. Knuth offers several techniques in "The Art of Computer Programming...
Make a float only show two decimal places
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If anyone is curious as to how one does actually get 25.. @"%.f" does the trick. What is written above, does not.
– Alex Gray
Dec 3 '11 at 19:43
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Run certain code every n seconds [duplicate]
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This seems not to resolve the question at all... it does not repeat every second.
– Yan King Yin
Jul 5 '13 at 15:28
9
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What does iota of std::iota stand for?
...essively incremented values.
To answer your specific question, it actually doesn't stand for anything. Iota (pronounced "eye-oh-duh" or "eye-oh-tuh" in English) is a greek letter with mathematical connotations.
It is standard in C++11, but not in earlier standards.
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`levels
...portant point. Let me try and describe it.
R is a functional language and does not like to mutate its objects. But it does allow assignment statements, using replacement functions:
levels(x) <- y
is equivalent to
x <- `levels<-`(x, y)
The trick is, this rewriting is done by <-; it...
What can you do in MSIL that you cannot do in C# or VB.NET? [closed]
...ed completely, which is a pretty good optimization. Also, the return value does not have to walk up a long call-chain, but it is returned directly.
But, anyway, the CIL provides this feature as part of the language, but with C# or VB it has to be implemented manually. (The jitter is also free to ma...
How to upgrade Git on Windows to the latest version?
...o avoid confusion with updating the local repository, e.g. like svn update does it.)
That command does not exist in Git 2.13 and before.
If this errors with "is not a git command" then either you don't actually have Git for Windows, or your version is very old.
In which case, simply get the lates...
Regexp Java for password validation
...@shA.t Whether you say "contains only non-space characters" ((?=\S+$)) or "does not contain space characters" ((?!.*\s)) is a matter of preference. Use whatever you like better. :)
– Tomalak
Jul 29 '15 at 11:48
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Utilizing multi core for tar+gzip/bzip compression/decompression
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You can use pigz instead of gzip, which does gzip compression on multiple cores. Instead of using the -z option, you would pipe it through pigz:
tar cf - paths-to-archive | pigz > archive.tar.gz
By default, pigz uses the number of available cores, or eight i...
Objective-C ARC: strong vs retain and weak vs assign
...mless, but I imagine it should be strong for consistency ... or perhaps it doesn't matter. stackoverflow.com/questions/7796476/…
– Joe D'Andrea
May 23 '12 at 20:49
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