快速矩阵乘法.注意,原始字符串即为decode后的字符串.题目是要找到原始串. #include <cstdio> #include <cstring> #define MAXN 85 typedef struct { char m[MAXN][MAXN]; } mat_st; int n, m; char buf[MAXN]; mat_st e; mat_st mat_mult(mat_st a, mat_st b) { int i, j, k; mat_st c; memset…
原文 http://developer.yahoo.com/dotnet/howto-rest_cs.html The .NET Framework provides classes for performing HTTP requests. This HOWTO describes how to perform both GET and POST requests. Overview Simple GET Requests Simple POST Requests HTTP Authentic…
本文算是对<零成本实现Web性能测试:基于Apache JMeter>中的<详解JMeter函数和变量>进行狗尾续貂哈,因为最近版本的jmeter增加了几个新函数,在原书中没有说明,我在这里翻译一下英文原文.我更推荐大家去jmeter的官网查找函数定义.http://jmeter.apache.org/usermanual/functions.html Type of function Name Comment Since Information __threadNum get t…
http://scikit-learn.org/stable/modules/feature_extraction.html 4.2节内容太多,因此将文本特征提取单独作为一块. 1.the bag of words representation 将raw data表示成长度固定的数字特征向量,scikit-learn提供了三个方式: tokenizing:给每个token(字.词.粒度自己把握)一个整数索引id counting:每一个token在每一个文档中出现的次数 normalizing:…
1.1. 问题 Problem You need to deal with data that doesn't fit in the ASCII character set. 你需要处理不适合用ASCII字符集表示的数据. 1.2. 解决 Solution Unicode strings can be encoded in plain strings in a variety of ways, according to whichever encoding you choose: Unicode…
使用python实现python核心编程3第472页和474页的TCP时间戳服务器和客户端服务器间数据传输编程时遇到TypeError: a bytes-like object is required, not 'str'报错问题,经查找资料知道是Python中的字符串数据和字节数据在python3中不能混用所致,一博文 https://eli.thegreenplace.net/2012/01/30/the-bytesstr-dichotomy-in-python-3 对python3中字符串…
Coursera课程<Using Python to Access Web Data> 密歇根大学 Week4 Programs that Surf the Web 12.3 Unicode Characters and Strings Representing Simple Strings 使用ASCII码,每个字符都被一个0到256的数字表示来存在8bits的内存里. 使用ord()函数可以查询,指定字符所对应的ASCII码. >>> print(ord('H')) 72…
Design an algorithm to encode a list of strings to a string. The encoded string is then sent over the network and is decoded back to the original list of strings. Machine 1 (sender) has the function: string encode(vector<string> strs) { // ... your…
原题链接在这里:https://leetcode.com/problems/encode-and-decode-strings/ 题目: Design an algorithm to encode a list of strings to a string. The encoded string is then sent over the network and is decoded back to the original list of strings. Machine 1 (sender)…
Design an algorithm to encode a list of strings to a string. The encoded string is then sent over the network and is decoded back to the original list of strings. Machine 1 (sender) has the function: string encode(vector<string> strs) { // ... your…
题目: Design an algorithm to encode a list of strings to a string. The encoded string is then sent over the network and is decoded back to the original list of strings. Machine 1 (sender) has the function: string encode(vector<string> strs) { // ... y…
Problem: Design an algorithm to encode a list of strings to a string. The encoded string is then sent over the network and is decoded back to the original list of strings. Machine 1 (sender) has the function: string encode(vector<string> strs) { //…
Question Design an algorithm to encode a list of strings to a string. The encoded string is then sent over the network and is decoded back to the original list of strings. Machine 1 (sender) has the function: string encode(vector<string> strs) { //…
