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How to skip over an element in .map()?
...do that, which is not unreasonable since it has some cost, you can use the more general .reduce(). You can generally express .map() in terms of .reduce:
someArray.map(function(element) {
return transform(element);
});
can be written as
someArray.reduce(function(result, element) {
result.push(tr...
Simple way to find if two different lists contain exactly the same elements?
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Run Java Code Online [closed]
... javalab.co is a Java8/Groovy/Scala compiler that lets you add more libraries (in gradle style). Disclaimer: currently in active development by me.
– Sergio
Apr 26 '16 at 23:41
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How can I ignore everything under a folder in Mercurial
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What is the use of static variable in C#? When to use it? Why can't I declare the static variable in
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Provide an image for WhatsApp link sharing
... I don't understand, this site: jornada.unam.mx/ultimas/2018/06/19/… has more than 35 characters and the image preview is working. where can I find the correct specification?
– elios264
Jun 19 '18 at 16:26
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convert '1' to '0001' in JavaScript [duplicate]
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var ans = pad.substring(0, pad.length - str.length) + str
JavaScript is more forgiving than some languages if the second argument to substring is negative so it will "overflow correctly" (or incorrectly depending on how it's viewed):
That is, with the above:
1 -> "0001"
12345 -> "12345"
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How can I read SMS messages from the device programmatically in Android?
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