Course tips and study guides
Study plans, exam and interview preparation, projects and placements, from people a year or two ahead and the UniCircle team. Every tip names its author and is checked by an editor before it appears.
Topics#javascript#html#java#sql#react#accessibility#dsa#interview#nodejs#arrays#error handling#forms#oop#placements#postgresql#abstract classes#acid#aggregates
3 tips tagged #interview
- GuideEngineeringUndergraduateThe Node.js event loop, explained for placement interviewsWhy Node can serve many users on one thread, the order in which synchronous code, process.nextTick, promises and timers run, and how to answer 'what does this print?' questions.#nodejs#event loop#microtasks#interviewUniCircle team1 min
- GuideEngineeringUndergraduateJavaScript closures in 10 minutesWhat a closure is, why a function remembers the variables around it, and three places closures show up in real code and in interviews.#javascript#closures#functions#interviewUniCircle team2 min
- GuideEngineeringUndergraduateWindow functions for interviews: ROW_NUMBER, RANK and running totalsThe three window-function patterns that solve most 'top N per group' and 'running total' questions in SQL interviews, with the difference between RANK and DENSE_RANK.#sql#window functions#rank#interviewUniCircle team2 min
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