3:12 double? width here question marks means that width can be null, but when in the calculating area in thefunction its being assigned to the area of rectangle “ width! “ here exclamation mark represents null check operator (value cant be null here).
Aoa Asif taj Ma aik project bna rha thy us ma mena name ko no name by default value assign ki .3 to 4 name value fetch honay k bad null check error show ho rha thy name wali value pr. Asl ma name wali value database sa null a rhi thi Shahid by default value assign krnay k koi faida nhi. ?? I think best ha
Sir ios ki build pr proper details step by step with error solves and versions issues and others mobile certificate issues video bna de mujhe build niklni hai please
Assalam o Alaikum! Sir mujyh flutter krty huwe 6 month ho gaye hain or 3rd semester mein hoon! Kya mujhy in chutiyoon mein Internship ki taraf jana chahiye? From Lahore..UDEMY SY flutter ka course bhi kr chuka hu 1 Chat App bhi bna chuka hoon
sir please har banda acha dimagh nhn rakhta hai per ap thora aram se samjha ya karen sir hum bahot sare consept miss ker date hain qn k samjh hi nhn aty h ap aik aik cheez clear karaya karo sir please sir. koch bigners bilkol mote dimagh wale hote hain jin ko thora detail main samjh aty h, ok sir ap sikhate acha hain per sir thora koprat ok
