Justin's Programming Timeline

摘要： // A O(n^2) time and O(1) space program to find the longest palindromic substring#include // A utility function to print a substring str[low..high]voi... 阅读全文

摘要： shdata.h#include #include #include #include #include #include #include using std::mutex;struct Person { char name[256]; int age; Person(const... 阅读全文

摘要： close： int close(int fd) 并非马上关闭fd对应的socket连接，而是对其文件描述符的引用计数减1，只有当fd的引用计数为0时，才关闭连接，对应fork复制的socket描述符，无论时父进程还是子进程都需要调用close才能正确关闭连接。shutdown: int shutd... 阅读全文

摘要： Total Accepted: 16020 Total Submissions: 103330Given a list of non negative integers, arrange them such that they form the largest number.For example,... 阅读全文

摘要： C++实现的avl平衡树 1 #include 2 #include 3 #include 4 #include 5 #include 6 7 using namespace std; 8 9 class AvlNode 10 { 11 public : 12 ... 阅读全文

摘要： An agent has a value that can be retrieved directly with deref,However an Actor encapsulates state but provides no direct means to access it.An Actor ... 阅读全文

摘要： Concept Header Summary Threads Standard, low-level, type-safe; Futures Via async function, hides threading; Locks Standard, low-level locking pr... 阅读全文

摘要： 1 import os 2 import sys 3 4 def find_file(root_dir, type): 5 dirs_pool = [root_dir] 6 dest_pool = [] 7 8 def scan_dir(directory): 9 ... 阅读全文

摘要： #!/bin/shpkill nickeleink_enable_autoupdaterm -rf /debian/tmp/* /debian/tmp/.* 2>/dev/nullmount -t proc proc /debian/procmount -o bind /dev /debian/de... 阅读全文

摘要： step 1:　安装ghostscript (debian 环境，　其他环境自行google)sudo apt-get install ghostscriptstep 2: 用Vim生成ps文件vim -me -e -c ":hardcopy >%.ps" -c ":q" sqlite2.csqli... 阅读全文