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- 4answers 12votes Feature request: college leaderboard Would be cool if we could see a leaderboard per college. Some kind of college vs college ranking also. I think a lot more people from my college would play if … GeneralAditya Verma·1 month ago
- 2answers 8votes 0.1 + 0.2 != 0.3 but 0.25 + 0.5 == 0.75? I know "floating point" is the answer but why does it break for 0.1 and 0.2 and not for 0.25 and 0.5 JavaScriptKarthik Rajan·1 month ago
- 4answers 16votes Wipro Elite NTH - selected (full process) Process took around 3 weeks. Online test: aptitude, verbal, logical + 2 coding questions. Mine were pattern printing and reverse a string without using inbuilt… Interview PrepNandini Rathore·1 month ago
- 1answer 4votes sizeof a reference in C++? Quiz said sizeof(reference) gives the size of the referred type. I guessed it right but don't understand why. Does a reference take memory or not? C++Rahul Yadav·1 month ago
- 2answers 6votes System design in 2nd year? too early? Seniors say freshers don't need system design. But a senior got "design a URL shortener" in a startup interview last year. Should I start or stick to DSA + cor… System DesignSwati Mishra·1 month ago
- 3answers 11votes normalization 3NF vs BCNF - lost after 2NF 1NF and 2NF I understand. 3NF and BCNF every website explains with symbols and I'm lost. Exam is next week, any simple explanation? DBMSGayathri Menon·1 month ago
- 2answers 7votes lost a battle because I didn't read NOT in the question "Which of these is NOT a valid HTTP method" and I clicked GET confidently. lost by exactly that question. NOT was in capitals also. I need to slow down GeneralSuresh Kumar·1 month ago
- 3answers 15votes Percentage to fraction list (for aptitude) Sharing what I memorised for aptitude, saves a lot of time: 12.5% = 1/8 16.66% = 1/6 37.5% = 3/8 62.5% = 5/8 87.5% = 7/8 11.11% = 1/9 9.09% = 1/11 37.5% of 640… AptitudeTanvi Kulkarni·1 month ago
- 2answers 10votes Why is String immutable in Java (actual reason not the rattafied one) Every interview I say "security and caching" and move on before they ask a follow up. Can someone explain properly JavaGaurav Sethi·1 month ago
- 3answers 13votes Deadlock ke 4 conditions yaad rakhne ka trick OS viva mein har baar puchte hai. Mera trick: Mutual exclusion, Hold and wait, No preemption, Circular wait = "My Hostel Needs Cleaning" 😂 Charo ek saath hone… Operating SystemsAnjali Saxena·1 month ago
- 3answers 9votes React state shows old value right after setState const [count, setCount] = useState(0); function handleClick() { setCount(count + 1); console.log(count); // prints old value } why? I literally just set it ReactKavya Nair·2 months ago
- 5answers 10votes Infosys SE interview - got asked how I prepare lol Online test was the usual, aptitude + 2 coding questions (one was reverse words in a sentence). Technical + HR happened together, around 25 min. OOP pillars, d… Interview PrepShruti Desai·2 months ago
- 2answers 7votes Complexity when inner loop starts from i for (int i = 0; i < n; i++) for (int j = i; j < n; j++) count++; Answer was O(n^2). But the inner loop runs fewer times every iteration so shouldn't it be less… DSAAbhishek Dubey·2 months ago
- 3answers 8votes lost my 47 day streak cousin's wedding, completely forgot. opened at 12:30am and it was gone. I didn't have a freeze left because I used both last month 🥲 anyway day 1 again GeneralMeera Pillai·2 months ago
- 3answers 12votes WHERE vs HAVING - can you use HAVING without GROUP BY? I know WHERE filters rows before grouping and HAVING filters groups after. But a quiz asked whether HAVING works without GROUP BY and I said no. Answer was yes… SQLRitika Malhotra·2 months ago
- 3answers 6votes anyone else bad at aptitude but ok at coding? i can do medium leetcode questions but i get like 40% in aptitude mocks. time and work, boats and streams, all of it just doesnt click. and every service compa… AptitudeAisha Sheikh·2 months ago
- 5answers 19votes TCS NQT experience (Sept slot) Gave NQT last week, writing this down while I still remember. Sections were numerical, verbal, reasoning and then the advanced part (advanced quant + advanced … Interview PrepIshita Bose·2 months ago
- 2answers 11votes python default argument list keeps old values?? def add(x, lst=[]): lst.append(x) return lst print(add(1)) print(add(2)) I thought it prints [1] and [2]. it prints [1] and [1, 2]. why is the list shared betw… Pythonaman khan·2 months ago
- 3answers 9votes Finally beat The Oracle 9th attempt. on Operating Systems. what changed: i stopped rushing. Oracle answers in like 2 sec but it doesnt matter if you're getting yours right, i was losi… GeneralVikram Singh·2 months ago
- 3answers 14votes why is [] == ![] true in js?? got this in a battle and i was 100% sure its false. empty array equal to not of itself?? how can someone explain step by step pls JavaScriptPriya Sharma·2 months ago
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