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What does ~~ (“double tilde”) do in Javascript?
...3) // -0
Math.trunc("-1.123")// -1
Math.trunc(NaN) // NaN
Math.trunc("foo") // NaN
Math.trunc() // NaN
The polyfill:
function trunc(x) {
return x < 0 ? Math.ceil(x) : Math.floor(x);
}
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How to detect if URL has changed after hash in JavaScript
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EDIT after a bit of researching:
It somehow seems that I have been fooled by the documentation present on Mozilla docs. The popstate event (and its callback function onpopstate) are not triggered whenever the pushState() or replaceState() are called in code. Therefore the original answer doe...
Can you explain the concept of streams?
...re. But what is the point of the stream? Why isn't the backing store itself what we interact with?
15 Answers
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How to resolve symbolic links in a shell script
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One of my favorites is realpath foo
realpath - return the canonicalized absolute pathname
realpath expands all symbolic links and resolves references to '/./', '/../' and extra '/' characters in the null terminated string named by path and
st...
When to use RDLC over RDL reports?
...8 in the past weeks and have created some server side reports. For some application, a colleague suggested that I look into RDLC for that particular situation. I am now trying to get my head around the main difference between RDL and RDLC.
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Get list of JSON objects with Spring RestTemplate
...t possible to this using generics? i.e. my method has a Class<T extends Foo> parameter and I would like to get a collection of T from the getForEntity method.
– Diskutant
Mar 20 '15 at 12:52
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How to put a delay on AngularJS instant search?
...ut the latest model value since the value binding is debounced. e.g. type 'foo' and on an immediate keypress return the value will still be an empty string.
– jbodily
Mar 14 '16 at 16:38
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What is a “callback” in C and how are they implemented?
From the reading that I have done, Core Audio relies heavily on callbacks (and C++, but that's another story).
9 Answers
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C++ Best way to get integer division and remainder
...st uses IDIVL and gets both from that single instruction.
C++ code:
void foo(int a, int b, int* c, int* d)
{
*c = a / b;
*d = a % b;
}
x86 code:
__Z3fooiiPiS_:
LFB4:
movq %rdx, %r8
movl %edi, %edx
movl %edi, %eax
sarl $31, %edx
idivl %esi
movl %eax, ...
Running a Haskell program on the Android OS
Forenote: This is an extension of the thread started on /r/haskell
6 Answers
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