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from math import sqrt

def cache(F):
    """A simple cache decorator"""
    cache = dict()
    def wrapper(*args):
        try:
            return cache[args]
        except KeyError:
            # Result not in cache --> Calculate and store it

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The Applied Information Security Curriculum

Sections & their challenges:

1. What is Security? Why is it Important?

1.1 Introduction to Security

• Security is a fundamental topic when creating sustainable software.
• Protect your users, your organization or even yourself in mainly two ways:

1. Protect their personal data

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/*
Samuel Plumppu - 2018-02-27

You have a string s that consists of English letters, punctuation marks, whitespace characters, and brackets. It is guaranteed that the parentheses in s form a regular bracket sequence.

Your task is to reverse the strings contained in each pair of matching parentheses, starting from the innermost pair. The results string should not contain any parentheses.

Example

For string s = "a(bc)de", the output should be

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const queue = [];
const execute = () => {
  const action = queue[0];
  if (action) {
    action().finally(() => {
      queue.shift();
      execute();
    });
  }
};

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// Credit to plugin solution and making it show up in editor intellisense:
// https://github.com/tailwindlabs/tailwindcss-intellisense/issues/227#issuecomment-1221083129

const plugin = require('tailwindcss/plugin')

const textShadowPlugin = plugin(({ addUtilities }) => {
    addUtilities({
        '.text-shadow': {
            'text-shadow': '1px 1px 1px #0000003f',
        },

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A workaround is to add the following to the post_install step in ios/Podfile. This way it will be automatically applied when you reinstall dependencies.

# Link headers to fix build on case sensitive file systems
# This will only be executed on case sensitive file systems where "pods" doesn't resolve to "Pods"
unless File.exist? "pods"
  # For files, create a symlink with `ln -s`
  system('cd Pods/Headers/Public; ln -s Protobuf protobuf')
  
  # For directories, create a symlink with `ln -sfh`

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const FIVE_MINUTES = 1000 * 60 * 5
function createCache<K, V>({ maxAge }: { maxAge: number }) {
    const cache = new Map<
        K,
        V & { cachedAt: ReturnType<(typeof Date)['now']> }
    >()

    return {
        set(key: K, value: V) {
            cache.set(key, { ...value, cachedAt: Date.now() })