maksimr

(comment {        
 org.clojure/tools.deps.alpha {:git/url "https://github.com/clojure/tools.deps.alpha.git" :sha "d492e97259c013ba401c5238842cd3445839d020"}
})

(comment
  (require '[clojure.tools.deps.alpha.repl :refer [add-lib]])
  (add-lib 'ring/ring-jetty-adapter {:mvn/version "1.9.5"}))

maksimr

{
  // Use IntelliSense to learn about possible attributes.
  // Hover to view descriptions of existing attributes.
  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
  "version": "0.2.0",
  "configurations": [
    {
      "name": "clang++ - Build and debug active file",
      "type": "lldb",
      "request": "launch",

maksimr

https://nodejs.org/api/n-api.html#node-api

mk -p /tmp/echo/src
pushd /tmp/echo
npm init -y
npm install -S node-addon-api node-api-headers
touch src/index.cpp src/echo.h src/echo.cpp

node-addon-api and node-api-headers contain the C++ headers required to build the extension

maksimr

async function main() {
  const pg = require('pg');
  const client = new pg.Client({
    user: 'admin',
    password: 'admin',
    database: 'test',
    host: '127.0.0.1',
    port: 5432
  });

maksimr

import typeorm from 'typeorm';

async function main() {
  const dataSource = new typeorm.DataSource({
    type: 'postgres',
    host: '127.0.0.1',
    username: 'username',
    password: 'password',
    database: 'test',
    extra: /**@type {import('pg').PoolConfig}*/({

maksimr

async function register(message) {
  await import(message.path);
  process.send({ type: 'registred' });
}

process.on('message', (message) => {
  switch (message.type) {
    case 'register':
      return register(message);
    case 'ping':

maksimr

import inspector from 'inspector';
import { writeFile } from 'fs/promises';
import cron from 'node-cron';

class Profiler {
  private session: inspector.Session;

  constructor() {
    this.session = new inspector.Session();
  }

maksimr

import express from "express";
import bodyParser from "body-parser";
import { trace, context } from "@opentelemetry/api";
import { BasicTracerProvider, ConsoleSpanExporter, SimpleSpanProcessor } from "@opentelemetry/sdk-trace-base";
import { AsyncLocalStorageContextManager } from '@opentelemetry/context-async-hooks';

const provider = new BasicTracerProvider();
provider.addSpanProcessor(new SimpleSpanProcessor(new ConsoleSpanExporter()));
trace.setGlobalTracerProvider(provider);

maksimr

import { context, trace } from "@opentelemetry/api";
import { AsyncLocalStorageContextManager } from "@opentelemetry/context-async-hooks";
import { BasicTracerProvider, ConsoleSpanExporter, SimpleSpanProcessor } from "@opentelemetry/sdk-trace-base";
import { promisify } from "util";


async function main() {
  const contextManager = new AsyncLocalStorageContextManager();
  const provider = new BasicTracerProvider();
  provider.addSpanProcessor(new SimpleSpanProcessor(new ConsoleSpanExporter()));

maksimr

import { CreateBucketCommand, DeleteBucketCommand, DeleteObjectCommand, ListBucketsCommand, ListObjectsCommand, PutObjectCommand, S3Client } from '@aws-sdk/client-s3';
import pg from 'pg';
import QueryStream from 'pg-query-stream'
import { JsonStreamStringify } from 'json-stream-stringify';

/**
 * This is an example of streaming data from a postgresql database to S3
 * with low memory usage
 */
async function main() {