Ramziddin — Dasturlash haqida
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Shunaqa filterni yozishi birinchi marta 2 yil oldin ishxonada o'rgandim


// undefined qiymatlarni o'chirmoqchimiz
const exampleList = ["v0", undefined, "vercel", undefined, undefined, "fly.io"]

// shunaqasiga filter qilishimiz mumkin
exampleList.filter(item => item !== undefined)

// yoki shunaqasiga
exampleList.filter(item => item)

// yoki shunchaki
exampleList.filter(Boolean)


Boolean shunchaki itemni oladi va agar item falsy bo'lsa false qaytaradi, aks holda true qaytaradi.

Falsy qiymatlar shunaqa bo'ladi:

null
undefined
false
NaN
0
-0
0n
""
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Kursimdagi bitta darsni bepul qilib shu yerga yubormoqchiman
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Forwarded from ramzcoder kursi
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⚠️ Bu mavzuni React uchun tushunish judayam muhim. Bu mavzuni ustida hamma hooklar ishlidi.

⚡️ Modul 2 — Advanced JavaScript

Dars 4, Qism 1 — Closures

- Closures nima?

- Call stack haqida bilgan narsalarimiz to'g'ri ishlamidimi?

- useRef hookga o'xshagan counter misoli

#modul2 #dars4
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git add -A
git commit -m "kotta yangiliklar"
git push --force
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Iyunda bir kuni @FormifyBot ustida ishlagan edim. O'zimcha nimadirlar qilib, boshimi qotirib, ideal holatga keltirishga harakat qilgan edim. Va release holatdan o'zimi uzoqlashtirgan edim (chunki qorqish bo'lgan).

Kecha huddi shu "ideyani" boshqa botda ko'rib qoldim. Iyulda release qilingan ekan. U botda allaqachon 1 000 000 foydalanuvchi bor va har oy u botdan 10 000 odam foydalanadi. Podpiskasi $5 turadi oyiga.

Bu birinchi marta emas. Man ko'p loyihalarni ohirigacha yetqazmagan edim va bir necha oydan keyin huddi shu loyihani boshqa joyda ko'rgan edim.

Hozir man video chat boti ustida ishlavoman, va bu holatda man yoki yana uni tashab qo'yishim mumkin, yoki nimadir release qilaman.
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Ramziddin — Dasturlash haqida
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20 kun o'tdi va man hali ham bu narsadan mazza qilvoman 🍸
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Kecha birinchi marta advent of code 2024 sinab ko'rgim keldi

Day 1 uchun yechimni Deno-da yozib ko'rdim


const decoder = new TextDecoder("utf-8");
const inputData = await Deno.readFile("./day1-input.txt");
const input = decoder.decode(inputData).slice(0, -1); // slice off empty line
const parsedInput = parse(input);
const output = calc(parsedInput);
console.log(output);

function parse(input: string): [number[], number[]] {
return input
.split(/\n/)
.map((row) => row.split(/ {3}/))
.reduce(
(acc, curr) => [
[...acc[0], Number(curr[0])],
[...acc[1], Number(curr[1])],
],
[[], []] as [number[], number[]],
);
}

function calc([column1, column2]: [number[], number[]]): number {
let distance: number = 0;
while (column1.length > 0 && column2.length > 0) {
const min1 = spliceMin(column1);
const min2 = spliceMin(column2);
distance += Math.abs(min1 - min2);
}
return distance;
}

function findMin(nums: number[]): number {
let index: number = 0;
let value: number = Infinity;

for (let i = 0, curr = nums[i]; i < nums.length; i++, curr = nums[i]) {
if (curr < value) {
value = curr;
index = i;
}
}

return index;
}

function spliceMin(nums: number[]): number {
const index = findMin(nums);
const spliced = nums.splice(index, 1)[0];
return spliced;
}
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Ramziddin — Dasturlash haqida
Kecha birinchi marta advent of code 2024 sinab ko'rgim keldi Day 1 uchun yechimni Deno-da yozib ko'rdim const decoder = new TextDecoder("utf-8"); const inputData = await Deno.readFile("./day1-input.txt"); const input = decoder.decode(inputData).slice(0…
Ikkinchisini birinchi marta 👨‍💻da yozib ko'rdim 👀


package main

import (
"fmt"
"math"
"os"
"strconv"
"strings"
)

func main() {
dat, err := os.ReadFile("./input.txt")

if err != nil {
fmt.Println("Couldn't read input", err.Error())
}

reports, err := parseReports(dat)

if err != nil {
fmt.Println("Couldn't parse repoorts", err.Error())
}

safeReports := 0

for i := 0; i < len(reports); i++ {
levels := reports[i]
isInitiallyIncreasing := levels[0] > levels[1]
isReportSafe := true

for j := 1; j < len(levels); j++ {
previousLevel := levels[j - 1]
currentLevel := levels[j]

isIncreasing := previousLevel > currentLevel
if isInitiallyIncreasing != isIncreasing {
isReportSafe = false
break
}

difference := math.Abs(previousLevel - currentLevel)
if !(difference >= 1 && difference <= 3) {
isReportSafe = false
break
}
}

if isReportSafe {
safeReports++
}
}

fmt.Println("There are", safeReports, "safe reports")
}

func parseReports(inp []byte) ([][]float64, error) {
reports := strings.Split(string(inp), "\n")
var parsedReports [][]float64

for i := 0; i < len(reports); i++ {
report := reports[i]
levels := strings.Fields(report)
var parsedLevels []float64

for j := 0; j < len(levels); j++ {
parsedLevel, err := strconv.ParseFloat(levels[j], 64)

if err != nil {
return nil, err
}

parsedLevels = append(parsedLevels, parsedLevel)
}

parsedReports = append(parsedReports, parsedLevels)
}

return parsedReports, nil
}
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"Hacker bo'laman" degan odamlar – nimaga hacker bo'lmoqchisiz?
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ChatGPTda yangi, oyiga $200lik plan paydo bo’ldi — ChatGPT Pro 😳

https://openai.com/index/introducing-chatgpt-pro/
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👨‍💻 Agar macOS-da directoryni o'chirmoqchi bo'lsangiz terminaldan – kotta ehtimol bilan directoryni bunaqasiga o'chirasiz:


rm -rf node_modules


Lekin rm sekin ishlaydi va korzinani o'tqazvoradi. Undan ko'ra trash install qiling:


brew install trash


Va keyin:


trash node_modules


trash ancha tezroq va o'chirilgan directoryni korzinadan qaytarishingiz mumkin.
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Qaysi OSdan foydalanasiz?
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30%
macOS
21%
Linux
65%
Windows
2%
TempleOS 🧐
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