former software engineer @medium, @priceline former director @wwcnyc, crafter, parrot enthusiast https://xitter.cf/t.co/p0QjAxhQxT…
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ALT For varying levels of seniority, from senior, to staff, and beyond. How to run a meeting, and no, being the person who talks the most in the meeting is not the same thing as running it How to write a design doc, take feedback, and drive it to resolution, in a reasonable period of time How to mentor an early-career teammate, a mid-career engineer, a new manager who needs technical advice How to indulge a senior manager who wants to talk about technical stuff that they don’t really understand, without rolling your eyes or making them feel stupid How to explain a technical concept behind closed doors to a senior person too embarrassed to openly admit that they don’t understand it How to influence another team to use your solution instead of writing their own How to get another engineer to do something for you by asking for help in a way that makes them feel appreciated
![```javascript
[1, 2, 3, 4].at(1) // 2
[1, 2, 3, 4].pop() // [1, 2, 3]
[1, 2, 3, 4].push(5) // [1, 2, 3, 4, 5]
[1, 2, 3, 4].fill(1) // [1, 1, 1, 1]
[1, 2, 3, 4].join('-') // '1-2-3-4'
[1, 2, 3, 4].shift() // [2, 3, 4]
[1, 2, 3, 4].reverse() // [4, 3, 2, 1]
[1, 2, 3, 4].unshift(1) // [1, 1, 2, 3, 4]
[1, 2, 3, 4].includes(2) // true
[1, 2, 3, 4].map(num => num * 2) // [2, 4, 6, 8]
[1, 2, 3, 4].some(num => num > 3) // true
[1, 2, 3, 4].find(num => num > 2) // 3
[1, 2, 3, 4].every(num => num > 3) // false
[1, 2, 3, 4].filter(num => num > 2) // [3, 4]
[1, 2, 3, 4].findIndex(num => num > 2) // 2
[1, 2, 3, 4].reduce((acc, num) => acc + num) // 10
// JavaScript Array methods (by @denicmarko)
```](https://pbs.twimg.com/media/FNKXJGxWQAABIhJ.jpg?name=orig)
ALT ```javascript [1, 2, 3, 4].at(1) // 2 [1, 2, 3, 4].pop() // [1, 2, 3] [1, 2, 3, 4].push(5) // [1, 2, 3, 4, 5] [1, 2, 3, 4].fill(1) // [1, 1, 1, 1] [1, 2, 3, 4].join('-') // '1-2-3-4' [1, 2, 3, 4].shift() // [2, 3, 4] [1, 2, 3, 4].reverse() // [4, 3, 2, 1] [1, 2, 3, 4].unshift(1) // [1, 1, 2, 3, 4] [1, 2, 3, 4].includes(2) // true [1, 2, 3, 4].map(num => num * 2) // [2, 4, 6, 8] [1, 2, 3, 4].some(num => num > 3) // true [1, 2, 3, 4].find(num => num > 2) // 3 [1, 2, 3, 4].every(num => num > 3) // false [1, 2, 3, 4].filter(num => num > 2) // [3, 4] [1, 2, 3, 4].findIndex(num => num > 2) // 2 [1, 2, 3, 4].reduce((acc, num) => acc + num) // 10 // JavaScript Array methods (by @denicmarko) ```
