[Python] Set

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Simple example of set in Python

s = set()

s.add(1)
s.add(2)
s.add(3)
s.add(4)
s.add(3)

print(s)

[JS] Promise Basics

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1. Resolve case

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Step 1. Setup packages required

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Sample to show how to check requestURL and prevent Croos-Site-Script Attack Using common XSS Filter to convert URL to clean string.

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Example codes of String.slice()