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... answered Nov 14 '10 at 10:56
Frédéric HamidiFrédéric Hamidi
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...
Best practices for circular shift (rotate) operations in C++
...a rotate-right. (This optimizes away with compile-time-constant counts.)
Fun fact: ARM doesn't really have dedicated shift/rotate instructions, it's just MOV with the source operand going through the barrel-shifter in ROR mode: mov r0, r0, ror r1. So a rotate can fold into a register-source opera...
Short circuit Array.forEach like calling break
...some sort. eg.
var BreakException = {};
try {
[1, 2, 3].forEach(function(el) {
console.log(el);
if (el === 2) throw BreakException;
});
} catch (e) {
if (e !== BreakException) throw e;
}
JavaScript exceptions aren't terribly pretty. A traditional for loop might be...
Converting Long to Date in Java returns 1970
...imeUtc = dateTimeParis.withZone( DateTimeZone.UTC );
DateTime dateTimeMontréal = dateTimeParis.withZone( DateTimeZone.forID( "America/Montreal" ) );
Dump to console. Note how the date is different in Montréal, as the new day has begun in Europe but not yet in America.
System.out.println( "dateTim...
Enabling auto layout in iOS 6 while remaining backwards compatible with iOS 5
...red Sep 21 '12 at 20:20
Imre KelényiImre Kelényi
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...
What's the recommended way to connect to MySQL from Go?
...swered Jul 6 '12 at 6:41
Denys SéguretDenys Séguret
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...
Fixing the order of facets in ggplot
...))
temp %>%
arrange(size_num) %>% # sort
mutate_at(vars(size), funs(factor(., levels=unique(.)))) %>% # convert to factor
ggplot() +
geom_bar(aes(x = type, y=amount, fill=type),
position="dodge", stat="identity") +
facet_grid(~ size)
You can apply this solution ...
Constructors in Go
...wered Aug 8 '13 at 12:10
Denys SéguretDenys Séguret
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...
How to get the name of the calling method?
...ed Feb 26 '13 at 20:18
Marc-André LafortuneMarc-André Lafortune
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What are some uses of decltype(auto)?
...ence or a value. decltype(auto) gives you that ability:
template<class Fun, class... Args>
decltype(auto) Example(Fun fun, Args&&... args)
{
return fun(std::forward<Args>(args)...);
}
Delaying return type deduction in recursive templates
In this Q&A a few days ago,...