When updating the cache, after updating the database, should you update the cache or delete it? Or perhaps delete the cache first, then update the database—either way, there are certain issues involved.
Since I personally prefer using window functions, I prioritized them in my solutions. Of course, these may not always be the optimal approaches—the answers are for reference only.
Some study notes and insights on learning design patterns.
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·2 min read
How is the Blue Bridge Cup National Software Competition?
I think it's quite good, at least it provides a great platform for students from many ordinary colleges and universities. When it comes to programming competitions, everyone first thinks of ACM, but is ACM really suitable for everyone?
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·1 min read
"Mulan" Premieres to Early Reviews: What Do Overseas Critics Think?
She is a highlight of the film... her energy fully shines on screen, and watching her perform is truly enjoyable. (Kaitlyn Booth, Bleeding Cool)
Sun's goal in designing the Java language was to enable Java programs to run on a wide variety of computers (including PCs and workstations) without modification.
