dfrankland

Notes on running random binaries in NixOS

To run Rust binaries:

1. Export LD_LIBRARY_PATH env var

   export LD_LIBRARY_PATH="$(echo /nix/store/*-extra-utils/lib)"

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npx -p graphqurl gq http://localhost:3000/graphql --introspect > schema.graphql

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SELECT 'hello' UNION SELECT 'world' EXCEPT SELECT 'world';

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  // Available variables:
  // - Machine
  // - interpret
  // - assign
  // - send
  // - sendParent
  // - spawn
  // - raise
  // - actions

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// https://github.com/mysql/mysql-workbench/blob/f7a0175471d773ddbac671d9176b13d0c6243637/modules/db.mysql.sqlparser/src/mysql_sql_facade.cpp#L82-L244

#include <iostream>
#include <vector>
#include <list>

std::string trim_right(const std::string &s, const std::string &t) {
  std::string d(s);
  std::string::size_type i(d.find_last_not_of(t));
  if (i == std::string::npos)

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  // Available variables:
  // - Machine
  // - interpret
  // - assign
  // - send
  // - sendParent
  // - spawn
  // - raise
  // - actions

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  // Available variables:
  // - Machine
  // - interpret
  // - assign
  // - send
  // - sendParent
  // - spawn
  // - raise
  // - actions

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const { default: MySQLParser, MySQLParserListener } = require('ts-mysql-parser');

const getParseTree = (ctx) => {
  if (ctx._symbol) {
    return ctx._symbol.source.stream.data.slice(ctx._symbol.start, ctx._symbol.stop + 1);
  }

  const node = {
    type: null,
    children: [],

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How to use Wireshark with Node.js (especially with HTTPS / TLS / SSL)

It can be difficult to trace network traffic from a Node.js application. Typically, folks will just instrument some logging to check that everything is working as it is supposed to. Unfortunately, sometimes there are too many abstractions or possible race conditions to accurately get a good trace. To get the most objective possible trace of network traffic Wireshark can be used.

Wireshark is a network protocol analyzer that makes it extremely simple to capture and trace network activity from any source on your computer. It also has

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package main

import (
	"context"
	"database/sql"
	"fmt"
	"io"
	"log"
	"math/rand"
	"net/http"