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Difference between Iterator and Listiterator?
... move only forward, but with ListIterator you can move backword also while reading the elements.
With ListIterator you can obtain the index at any point while traversing, which is not possible with iterators.
With iterator you can check only for next element available or not, but in listiterator you...
How did this person code “Hello World” with Microsoft Paint?
...that does the same thing. If you are seriously interested in such results, read e.g. about the Kleene's fixed point theorem.
Program-as-an-image can also be viewed as a form of code obfuscation. Not that it were particularly practical...
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Make first letter of a string upper case (with maximum performance)
... Six years after the question was asked, please do a more thorough job of reading existing answers and their comments. If you are convinced you have a better solution, then show the situations in which your answer behaves in a way you think is superior, and specifically how that differs from existi...
How can I check if a URL exists via PHP?
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I would suggest reading only the first byte... if (@file_get_contents($url,false,NULL,0,1))
– Daniel Valland
Oct 1 '16 at 20:08
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Splitting a string into chunks of a certain size
...xplicitly stated he does not need this; it's somewhat longer and harder to read, slightly slower. In the spirit of KISS and YAGNI, I'd go with the first option: it's probably the most efficient implementation possible, and it's very short, readable, and, importantly, throws an exception for nonconf...
std::string to char*
...s going to be implemented and under what conditions. Some should learn to read, understand questions and to answer what is actually being asked. No need to show off here.
– user912695
Sep 9 '11 at 16:19
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How to get the parents of a merge commit in git?
... cannot after ^@ (<commit>^@^ isn't valid). For more on this syntax, read the rev-parse man page.
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How to convert 1 to true or 0 to false upon model fetch
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Here's another option that's longer but may be more readable:
Boolean(Number("0")); // false
Boolean(Number("1")); // true
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What is the good python3 equivalent for auto tuple unpacking in lambda?
... the parameters - but that would be at once more inefficient and harder to read than your two suggestions:
min(points, key=lambda p: (lambda x,y: (x*x + y*y))(*p))
update Python 3.8
As of now, Python 3.8 alpha1 is available, and PEP 572- assignment expressions are implemented.
So, if one uses a...
How can I change a file's encoding with vim?
... useful to change the encoding just on the command line before the file is read:
rem On MicroSoft Windows
vim --cmd "set encoding=utf-8" file.ext
# In *nix shell
vim --cmd 'set encoding=utf-8' file.ext
See starting, --cmd.
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