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How to insert an item into an array at a specific index (JavaScript)?
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What you want is the splice function on the native array object.
arr.splice(index, 0, item); will insert item into arr at the specified index (deleting 0 items first, that is, it's just an insert).
In this example we will create an array and add an element to it into index 2:
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What does the keyword Set actually do in VBA?
Hopefully an easy question, but I'd quite like a technical answer to this!
7 Answers
7...
What is the optimal Jewish toenail cutting algorithm?
...simply put their feet in it and run it instead of having to manually do it by biting them or using nail clippers.
6 Answers...
PHPUnit: assert two arrays are equal, but order of elements not important
What is a good way to assert that two arrays of objects are equal, when the order of the elements in the array is unimportant, or even subject to change?
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How to make a chain of function decorators?
...rs work. Here is what you asked for:
from functools import wraps
def makebold(fn):
@wraps(fn)
def wrapped(*args, **kwargs):
return "<b>" + fn(*args, **kwargs) + "</b>"
return wrapped
def makeitalic(fn):
@wraps(fn)
def wrapped(*args, **kwargs):
retur...
Make copy of an array
I have an array a which is constantly being updated. Let's say a = [1,2,3,4,5] . I need to make an exact duplicate copy of a and call it b . If a were to change to [6,7,8,9,10] , b should still be [1,2,3,4,5] . What is the best way to do this? I tried a for loop like:
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Pull all commits from a branch, push specified commits to another
I have the following branches:
2 Answers
2
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Is Java RegEx case-insensitive?
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RegexBuddy is telling me if you want to include it at the beginning, this is the correct syntax:
"(?i)\\b(\\w+)\\b(\\s+\\1)+\\b"
share
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Modular multiplicative inverse function in Python
...ule contain a function to compute modular multiplicative inverse of a number, i.e. a number y = invmod(x, p) such that x*y == 1 (mod p) ? Google doesn't seem to give any good hints on this.
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When is a CDATA section necessary within a script tag?
...rse as XML (e.g. when an XHTML page is interpreted as XML) and you want to be able to write literal i<10 and a && b instead of i&lt;10 and a &amp;&amp; b, as XHTML will parse the JavaScript code as parsed character data as opposed to character data by default. This is not an ...