摘要：
const ary = [1, 2, 3, 4, 2, 3]; const unqiAry = (ary) => ary.filter((item, index) => ary.indexOf(item) index) unqiAry(ary) // [ 1, 2, 3, 4 ] const ary 阅读全文
摘要：
S3 Usage Patterns S3 doesn't suit for following usecases: POSIX-compliant file system: should use EFS. POSIX -- refer to Linux or Unix files Structure 阅读全文