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摘要： Connections and Translators NAT TCP Options Every option begins with a 1-byte kind that specifies the type of option. Options that are not understood 阅读全文

摘要： Introduction Recall that TCP’s service model is a byte stream. TCP detects and repairs essentially all the data transfer problems that may be introduc 阅读全文

摘要： def solve(num_str): MAX, MIN = 65535, -65536 num_str_len = len(num_str) i = 0 while num_str[i] == ' ': i += 1 if i == num_str_len: return 0 is_neg = True if n... 阅读全文

摘要： O(n^2) solution 2: maintain a window: 阅读全文

摘要： You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order and each of their nodes contai 阅读全文

摘要： 1 a thread-unsafe code version: 1.1 correct version 1: 1.2 correct version 2 and its pros and cons: Another approach is to pass the integer i directly 阅读全文

摘要： Using Threads for Parallelism Figure 12.30 shows the set relationships between sequential, concurrent, and parallel programs. A parallel program is a 阅读全文

摘要： Using Semaphores to Schedule Shared Resources In this scenario, a thread uses a semaphore operation to notify another thread that some condition in th 阅读全文

摘要： Shared Variables in Threaded Programs Threads Memory Model Thus, registers are never shared, whereas virtual memory is always shared. The memory model 阅读全文

摘要： Modern operating systems provide three basic approaches for building concurrent programs: Processes. With this approach, each logical control flow is 阅读全文