09 2018 档案
摘要：#include <iostream>#include <vector>#include <string> class Assoc { struct Pair { std::string name; double val; Pair(std::string n="", double v=0) :na
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摘要：# awk.awk { if(data[$0]++ == 0) lines[++count] = $0} END { for (i=1;i<=count;i++) print lines[i]} 脚本用法如下： awk -f awk.awk text_to_process cat text_to_p
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摘要：#include <iostream> class Singleton { static Singleton s; int i; Singleton(int x):i(x) {} Singleton& operator=(Singleton&); Singleton(const Singleton&
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摘要：复制构造函数与复制赋值的区别如下： class Name { const char* s; //... }; class Table { Name* p; size_t sz; public: //... Table(const Table&); //复制构造函数 Table& operator=(
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摘要：关联数组是用户定义类型中最常见的也是最有用的一类。关联数组也常被成为映射（map），有时被 成为字典（dictionary），其中保存的是值的对偶。给定了一个称为关键码的值，我们就能访问另一个 称为映射值的值。可以将关联数组想象为一个下标不必是整数的数组： template<class K, cla
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摘要：#include <sys/stat.h> int stat(const char *restrict pathname, struct stat *restrict buf); struct stat { mode_t st_mode; /*file type & mode(permissions
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摘要：Thus we see that there are very close similarities between this Bayesian viewpoint and the conventional one based on error function minimization and r
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摘要：template <class T1, class T2> struct std::pair { typedef T1 first_type; typedef T2 second_type; T1 first; T2 second; pair() :first(T1()), second(T2())
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摘要：Autobiography My name is Donggongdechen. I am ** years old. I was born in XuChang, HeNan province, the capital of Wei in three Kingdoms. And I have a
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摘要：记得去上第一节课的时候，老师就问，你们知道什么是自适应吗？还举了个例子说，北方人来到了南方， 会觉得天气特别热，饮食也不太一样，这时他就开始去慢慢适应南方的环境，自适应就开始了。 The adaptive linear combiner, which is the simplest and most
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