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function extract() {
    if [ $# -ne 1 ]; then
        echo "Usage: $FUNCNAME filename"
    fi
    
    filename=$1
    if [ -f $filename ]; then
        case $filename in
            *.tar.xz)   tar xvfJ $filename                          ;;
            *.tar.gz)   tar --gzip -xvf $filename                   ;;

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#include <iostream>
using namespace std;
 
template<int c>
struct X
{
	template<typename F>
	static auto forEach(F func)
	{
		func(c);

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#include <iostream>
#include <array>
 
template<size_t c>
struct ForLoop {
    template<template <size_t> class Func>
    static void iterate() {
        Func<c>()();
        ForLoop<c-1>::template iterate<Func>();
    }

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#include <iostream>

using namespace std;

template <typename T>
struct X {
    T x;
};

template <typename T>

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#!/usr/bin/env python

from __future__ import print_function
import sys
import threading
import time
import datetime


class Clock(threading.Thread):

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class A:
    def __a(self):
        print("__a")
    def _A__a(self):
        print("_A__a")

    def c(self):
        self.__a()
        self._A__a()

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class Person:
    def __init__(self, name):
        self.name = name
    def __str__(self):
        return "Person: {}".format(self.name)

if __name__ == "__main__":
    def __str__(self):
        return "xoxoxo"
    

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Stackoverflow topics about const vs #define in C/C++:

• http://stackoverflow.com/questions/1674032/static-const-vs-define-vs-enum

• http://stackoverflow.com/questions/1637332/static-const-vs-define

Below an example of switch statement used with const variables in C and C++.

C:

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from flask import Flask, make_response

app = Flask(__name__)

send_csp = True
csp = 'script-src'

html = """
Hello
<script>alert('xs')</script>

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"""
Takes input on stdin and generates html doing POST CSRF

E.g. input:
a=b&c=d
"""

import sys
import urllib
from collections import OrderedDict