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understanding the concept of javascript callbacks with node.js, especially in loops

I am just starting with node.js. I have done a little ajax stuff but nothing too complicated so callbacks are ... examples would help a lot. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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understanding a C Preprocessor Macro's output vs a line code

#define AD(x,y) (x+y) int main() { int x1=5,y1=2,z1; int x2=5,y2=2,z2; z1 = AD( ... stackoverflow.com/questions/65907318/understanding-a-c-preprocessor-macros-output-vs-a-line-code...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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