As a few years of work in the front of the brick dog, build a blog of their own is very necessary, one can summarize their own development learning experience, two can share and record their own learning track, can be said to be a lot of benefits, so today I will introduce a new way to build a blog. In fact, BEFORE using Github Issues to build blog I have tried other ways to build belong to...

Vue cannot detect array changes when assigning values directly using indexes and modifying array lengths directly. The getData method is changed to the following, and the assignment to the array is this.$set(). The result is correct.

"This is the third day of my participation in the First Challenge 2022, for more details: First Challenge 2022". ? Foreword ? Given two strings s and t, write a function to determine whether t is a valid alphabetic allotopic of S.