Olegas

Embedded Development using CLion on macOS

• brew install stlink
• brew install open-ocd
• brew tap osx-cross/arm
• brew install arm-gcc-bin
• brew install --cask clion
• Install JDK (run sudo java and follow instructions)
• Download STM32CubeMX (registration is required), unpack archive
• Run unstaller sudo java -jar SetupSTM32CubeMX-6.1.1.exe (version will be different!)

Olegas

class A extends Control {
  protected _x: object = {
    val: 1,
    _version: 0
  }

  _doSomthing() {
    this._x._version++;
}

Olegas

class DoStuff {
  
  runAnimation() {
    return new Promise((resolve, reject) => {
      
      const run = true;
      
      const step = () => {
        if (run) {
          run = this._doSomething();

Olegas

describe('Some case', () => {
  
  before(() => {
    // Mock BL here
    declareMock('Object.Method').staticResponse(new RecordSet(....));
    declareMock('Object.Complicated').withResolver((args) => {
       // if arg1 > 10 -> result1
       // if arg1 <= 10 -> result2
    });    
  });

Olegas

JavaSript (Node)

   const data = [{ field1: 1, field2: 'abc'}, {field1: 10, field3: 20}];
   driver.none(query, {
      data: JSON.stringify(data)
   });

SQL

Olegas

function apiWrapper(args) {
   const method = getMethodSomehow(args); // Тут мы как-то получили someAppliedAPI
   return method(args).catch((e) => { 
      // это общий обработчик  
   })
}


function someAppliedAPI(args) {
 

Olegas

console.log(0);
for(var i = 0; i < 1000000000; i++) {
  setTimeout(function() {
       console.log(1);
  }, 0);
}
console.log(2);

Olegas

const o = {
  foo: function() { return this.bar },
  bar: 10
};

const f = o.foo;
console.log(f()); // ??

Olegas

const cls = require('cls-hooked');
const ctx = cls.createNamespace('test-cls-context');

// result of this demo: 4 and 13
// despite ctx is "global", every async "context" has it's own strage and values are not mixed between timeouts

setTimeout(() => {
    ctx.run(() => {
        ctx.set('value', 1);
        setTimeout(() => {

Olegas

// router.js
app.get('/', (req, res) => {
  // generate rewuest uuid
  // assign it to something (?)
  // kick in some app logic
});

// db.js
async function getAfromB() {
  const result = await driver.oneOrNone('SELECT a FROM b');