![]() ![]() It’s really frustrating, isn’t it?īut have you ever thought how quickly Geekbook check availability of username by searching millions of username registered with it. Now you have added your university roll number also, still got “Username is already taken”. You added your birth date along username, still no luck. Suppose you are creating an account on Geekbook, you want to enter a cool username, you entered it and got a message, “Username is already taken”. Must Do Coding Questions for Product Based Companies.Practice for cracking any coding interview.Must Do Coding Questions for Companies like Amazon, Microsoft, Adobe. ![]()
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