1. useState nima?
useState bu Reactda foydalaniladigan xotira (yoki holat). Ya’ni:
🔄 "O'zgaruvchini saqlab turadigan va uni o'zgartirganda sahifani avtomatik yangilaydigan" maxsus funksiya.
Oddiy JavaScriptda o‘zgaruvchi shunaqa:
Reactda esa bunday qilamiz:
Bu degani:
sana — bu o‘zgaruvchimiz.
setSana — bu funksiyamiz, sanani yangilaydi.
useState(5) — boshlang‘ich qiymat, hozir sana = 5.
useState bu Reactda foydalaniladigan xotira (yoki holat). Ya’ni:
🔄 "O'zgaruvchini saqlab turadigan va uni o'zgartirganda sahifani avtomatik yangilaydigan" maxsus funksiya.
Oddiy JavaScriptda o‘zgaruvchi shunaqa:
let sana = 5;
Reactda esa bunday qilamiz:
const [sana, setSana] = React.useState(5);
Bu degani:
sana — bu o‘zgaruvchimiz.
setSana — bu funksiyamiz, sanani yangilaydi.
useState(5) — boshlang‘ich qiymat, hozir sana = 5.
Forwarded from Front End World
ViteConf 2024 was a blast
The third edition of ViteConf was another incredible community party. ViteConf 24 showed how much the Vite Ecosystem keeps growing and evolving.
https://blog.stackblitz.com/posts/viteconf-2024-recap/?social=
The third edition of ViteConf was another incredible community party. ViteConf 24 showed how much the Vite Ecosystem keeps growing and evolving.
https://blog.stackblitz.com/posts/viteconf-2024-recap/?social=
Stackblitz
ViteConf 2024 was a blast
The third edition of ViteConf was another incredible community party. ViteConf 24 showed how much the Vite Ecosystem keeps growing and evolving.
int myAge = 25;
int* ptr = &myAge;
printf("Qiymat: %d\n", myAge); // 25
printf("Manzil: %p\n", &myAge); // 0x... (xotira manzili)
printf("Pointer ichidagi qiymat: %p\n", ptr); // ptr o‘zida myAge'ning manzilini saqlaydi
printf("Pointer orqali o‘qilgan qiymat: %d\n", *ptr); // 25 – ptr orqali qiymatga kiriladi
Forwarded from JavaScript
An open source (though a commercial version is available) Node and Electron-based desktop app for crafting and testing HTTP requests, complex and simple. Think of it as a lightweight alternative to something like Postman.
Anoop M D, Anusree P S and Contributors
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public class Main {
public static void main(String[] args) {
System.out.printf("Hello and welcome!");
for (int i = 1; i <= 5; i++) {
System.out.println("i = " + i);
}
}
}public class Main {
public static void main(String[] args) {
/* String ism = "Fotima";
int yosh = 20;
float baho = 4.8f;
char harf = 'F';
boolean student = true;
System.out.println(ism);
System.out.println(yosh);
System.out.println(baho);
System.out.println(harf);
System.out.println(student);*/
double price = 19.9;
double gpa = 3.9;
char garde = 'A';
char symbol = '!';
char currency = '$';
boolean isStudent = false;
boolean forSale = false;
boolean isOnline = true;
if (isStudent) {
System.out.println("You are a Student!");
}
else {
System.out.println("You are Not a Student!");
}
}
}public class Main {
public static void main(String[] args) {
System.out.println("Hello World");
int concert = 6;
double uzs = 144000;
double usd = 12.00;
char gender = 'F';
String currency = "UZS";
boolean forSale = true;
String name = "Blackpink Concert will start!";
String on = "on";
String time = "12:00";
String week = "Tuesday";
String price = "Current price is:";
System.out.println(name + " " + on + " " + time + " " + week);
System.out.println("Concert number: " + concert);
if (forSale) {
System.out.println(price + " " + uzs + " " + currency);
} else {
System.out.println(price + " " + usd + " $");
}
}
}