hryniuk

#include <iostream>
#include <tuple>

template<typename Tuple, int Size, int Index=0>
struct Apply
{
    void operator()(Tuple t) const
    {
        std::cout << std::get<Index>(t) << std::endl;
        Apply<Tuple, Size, Index + 1>().operator()(t);

hryniuk

#include <iostream>

#define ENSURE(x) do { \
    if (not (x)) {std::cerr << __FILE__ << " " << __PRETTY_FUNCTION__ << ":" << __LINE__ << " " << #x << " assert failed!\n";} \
} while(false)

void f(int x)
{
    ENSURE(x > 0);
}

hryniuk

#include <iostream>
#include <functional>
#include <vector>

template<typename Container, typename Function>
void f(Container&& c, Function&& f)
{
    for (const auto& e : c) {
        f(e);
    }

hryniuk

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

hryniuk

#!/bin/bash

# copied from https://jvns.ca/blog/2017/06/11/log-structured-storage/

db_set() {
    echo "$1,$2" >> database
}

db_get() {
    grep "^$1," database | sed -e "s/^$1,//" | tail -n 1

hryniuk

import redis
import threading

class Listener(threading.Thread):
    def __init__(self, r, channels):
        threading.Thread.__init__(self)
        self.redis = r
        self.pubsub = self.redis.pubsub()
        self.pubsub.subscribe(channels)
    

hryniuk

Silver 0.18
Gold 0.47
Helium 1.000036
Hydrogen (gas) 1.00014
Water (gas) 1.000261
Oxygen (gas) 1.000276
Argon 1.000281
Air 1.0002926
Nitrogen (gas) 1.000297
Carbon Dioxide (gas) 1.000449

hryniuk

///bin/true;COMPILER_OPTIONS="-g -Wall -Wextra --std=c99 -O1 -fsanitize=address,undefined";THIS_FILE="$(cd "$(dirname "$0")"; pwd -P)/$(basename "$0")";OUT_FILE="/tmp/build-cache/$THIS_FILE";mkdir -p "$(dirname "$OUT_FILE")";test "$THIS_FILE" -ot "$OUT_FILE" || $(which clang || which gcc) $COMPILER_OPTIONS -xc "$THIS_FILE" -o "$OUT_FILE" || exit;exec "$OUT_FILE" "$@"
#include <stdio.h>

int main() {
  printf("Hello world!\n");
  return 0;
}

hryniuk

#!/bin/bash

diff=$(cargo fmt -- --check)
result=$?

if [[ ${result} -ne 0 ]] ; then
    cat <<\EOF
There are some code style issues, run `cargo fmt` first.
EOF
    exit 1

hryniuk

#!/bin/bash

n=$1

g++ -o ${n} ${n}.cpp -std=c++14 -O2

for i in {0..10} ; do
    if [[ -e ${n}${i}.in ]] ; then
        ./${n} < ${n}${i}.in > ${n}${i}.xd
        diff -w -q ${n}${i}.xd ${n}${i}.out