topic description Mathematical Combinatorial problems sources of topics and their own ideas competitive programs what result do you expect? What is the error message actually seen? I tried a way to solve this problem in O (n). But get the wron...
I did a question on leetcode, but for the string type, the push_back concatenation character failed the test, but changed to the plus sign to concatenate the character and passed it. topic link my two codes: class Solution { public: vector<...
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"> &...
nginx is configured as follows server{ server_name xxxxx.com; } server{ server_name cccccc.com } other configurations remain the same Why can both domain names ...
this sentence: since each Symbol value is not equal, this means that the Symbol value can be used as an identifier for the property name of the object, which ensures that an attribute with the same name will not appear. uses Symbol: let b = { st...
< template > <div> <userDetail v-if= userdetailShow >< userDetail> <el-button @click= detailShow >< el-button> < div> < template > data () { return{ userdetailShow:false } } created () { this.k...
now the project has two domain names under the same framework, one admin.xxxx.com, one api.xxxx.com, the controller corresponds to admin and api controller respectively, cannot get the shared session 1, add ini_set ( session.cookie_domain , ".xxxx....