const realIdx = i % len; // 取模映射到真实数组索引，模拟循环
Let’s reminisce a bit about Fredrik Lundh.
，更多细节参见哔哩哔哩
No LLVM dependency - pure C/C++ with small, embeddable libraries
A slight win for the Elephant - 23 155 QPS vs 21 251 QPS and lower latency.
SAVE 57%: As of March 4, the Shark Matrix Plus 2-in-1 robot vacuum-mop is on sale for $299.99, down from $699.99, at Amazon. That's a 57% discount or $400 in savings.