IPC
InterProcess Communication
The concept of IPC
Each process has a differnt user addess space,and local variables 各自看不见,so 进程间通信 need kernel(内核), so a buffer is opened in the kernel,process 1 copies data from user space to this buffer,and …
题目: C 题解:
class Solution {
public:vector<int> twoSum(vector<int>& nums, int target) {unordered_map<int, int> hashtable;for (int i 0; i < nums.size(); i) {auto it hashtable.find(target - nums[i]);if (it …