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Get all unique values in a JavaScript array (remove duplicates)
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@JackFranzen Slower than what? The solution from Rafael? Rafaels solution do not work for mixed type arrays. For my example ['a', 1, 'a', 2, '1'] you would get ['a', 1, 2]. But this is not what I expected. BTW, much slower is very relative.
– TLin...
Makefile, header dependencies
...of dependency wrong for the two targets, too. That's what I get for typing from memory. Try it now.
– dmckee --- ex-moderator kitten
Aug 23 '11 at 21:15
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StringUtils.isBlank() vs String.isEmpty()
...ull). This is totally different than just checking if the string is empty.
From the linked documentation:
Checks if a String is whitespace, empty ("") or null.
StringUtils.isBlank(null) = true
StringUtils.isBlank("") = true
StringUtils.isBlank(" ") = true
StringU...
What is the purpose of XORing a register with itself? [duplicate]
...he big picture it's faster. There are fewer bytes that have to be fetched from RAM.
– Loren Pechtel
Dec 7 '09 at 0:21
12
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Is quoting the value of url() really necessary?
...still correct. As an extreme example, Google only needs to remove one byte from their homepage to save quite a bit of bandwidth ;)
– Pebbl
Jun 29 '12 at 14:45
2
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input type=“submit” Vs button tag are they interchangeable?
...ave child nodes; i.e. non-text content. I suppose you could say that aside from brevity is no reason for the latter to exist.
– Paul Draper
Mar 10 '18 at 17:47
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MongoDB/Mongoose querying at a specific date?
....5+ years later, I strongly suggest using date-fns instead
import endOfDayfrom 'date-fns/endOfDay'
import startOfDay from 'date-fns/startOfDay'
MyModel.find({
createdAt: {
$gte: startOfDay(new Date()),
$lte: endOfDay(new Date())
}
})
For those of us using Moment.js
const moment = re...
What is the reason behind cbegin/cend?
...at would give you an iterator which is constant, but that's very different from an iterator to constant data.
– aschepler
Jan 11 '13 at 19:56
2
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UDP vs TCP, how much faster is it? [closed]
... for you.
On a larger scale, this TCP behavior is what keeps the Internet from locking up into "congestion collapse".
Things that tend to push applications towards UDP:
Group delivery semantics: it's possible to do reliable delivery to a group of people much more efficiently than TCP's point-to...
After array_filter(), how can I reset the keys to go in numerical order starting at 0
I just used array_filter to remove entries that had only the value '' from an array, and now I want to apply certain transformations on it depending on the placeholder starting from 0, but unfortunately it still retains the original index. I looked for a while and couldn't see anything, perhaps I j...