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mkdir -p ~/.config
ln -s ~/.vim ~/.config/nvim
ln -s ~/.vimrc ~/.config/nvim/init.vim

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alias plot="gnuplot -p -e \"plot '-'\""

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#include <stdio.h>
#include <assert.h>

#define defer_(x) \
    ({ typeof(x) fun(void) { return x; } fun; })

#define defer(n, x) \
    typeof(x) (*n)() = defer_(x)

int main(void)

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CC = clang
CFLAGS = -Wall -Wextra

CXX = clang++
CXXFLAGS = $(CFLAGS) -std=c++11

extern: extern.o extern_C.o
	$(CXX) $(CXXFLAGS) $^ -o $@

clean:

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CC = clang
CFLAGS = -Wall -Wextra

CXX = clang++
CXXFLAGS = $(CFLAGS) -std=c++11

extern_C: extern_C.o sum.o
	$(CXX) $(CXXFLAGS) $^ -o $@

clean:

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#include <vector>
#include <thread>
#include <atomic>
#include <cassert>

int main()
{
    std::vector<std::thread> threads(16);
    std::atomic<unsigned int> ai(0);

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#include <stdio.h>
#include <assert.h>
#include <omp.h>

int s;

void loop(void)
{
    int i;

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-- Programming in Lua, Chapter 10, Page 98

local N = 8

-- Number of solutions up to N=10
local num_solutions = {1, 0, 0, 2, 10, 4, 40, 92, 352, 724}

-- Check whether (row, col) can be attacked by queens
local function isok(queens, row, col)
    for i = 1, row-1 do

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#!/bin/bash

# Use if unset or null
echo ${x:-x} # x
echo $x      #

# Assign if unset or null (only regular variables)
echo ${y:=y} # y
echo $y      # y

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