mapr stock

URL is the content url, what URL directly discarded. This is mainly to improve the crawling efficiency of the entire crawler, to prevent the crawler in the irrelevant URL to spend too long time, of course, if you want to crawl the whole network, you can also do not set.for those with a little extra money, perhaps the most common investment is stocks, although China's stock market is called a fickle, demon beast frequency. But still relatively poor li

Recently the stock market roller coaster, I do not stock, and not so much time to play, so I play a stock base. In the process of playing I found this thing is very fun ah, just I switch back and forth in the web, constantly pressing the F5 process, so I wrote a small assistant, here to take out and share with you.I have found that today's valuation, the estimate

Say you has an array for which the i-th element is the price of a given-stock on day I.Design an algorithm to find the maximum profit. You could complete as many transactions as (ie, buy one and sell one share of the stock multiple times). However, engage in multiple transactions for the same time (ie, you must sell the stock before you buy again).Greedy + recurs

The price-to-earnings ratio or benefit-to-earnings ratio is the ratio of the stock market price to earnings per share. The formula is as follows: Price-earnings ratio: current market price per share/post-tax profit per share Price-to-earnings ratio is an important indicator to measure the stock price and enterprise profitability. Because the price-to-earnings ratio combines the

best time to Buy and Sell Stock IIQuestion SolutionSay you had an array for which the ith element was the price of a given stock on day I.Design an algorithm to find the maximum profit. You could complete as many transactions as (ie, buy one and sell one share of the stock multiple times). However, engage in multiple transactions for the same time (ie, you must s

On the eve of the fall in stock prices, the market will always send some warning signals, which are often ignored. 1. The share price falls below the 60-day moving average, which generally means the beginning of a round of intermediate market decline. At this time, the stock price should be phased out. If the share price falls below the 120-and-half-year line and the 250-and--year line, it often means th

2119: Stock Market Forecast Time limit:10 Sec Memory limit:259 MBsubmit:331 solved:153[Submit] [Status] [Discuss] DescriptionInk's mother Love stocks, she asked ink for her to write a software to predict the future trend of a stock. Stock Line chart is a necessary tool to study stock, it shows the trend of

LeetCode 121 Best Time to Buy and Buy Stock resolution (the Best Time to Buy and Sell stocks)Translation In other words, you have an array where the I-th element indicates the stock price on the I-th day. If you are only allowed to trade at most once (for example, buy and sell a stock), design an algorithm and find the maximum profit. Original Say you have an arr

Today, big data boss gave me a task-grabbing stock history data. As a wget, I looked for it on the Internet and found that it was really a very powerful Linux download tool. I have been deeply shocked. The following is a description of some of today's processes, or more bumpy.First, I use the company's existing stock data to query all stock codes and import them

Topic:Say you has an array for which the i-th element is the price of a given-stock on day I.Design an algorithm to find the maximum profit. You are in most of the transactions.Note:Engage in multiple transactions on the same time (ie, you must sell the stock before you buy again).test instructions and analysis: give an array, representing the price of a stock i

Tushare is a free, open source Python financial data interface package. The main realization of the stock and other financial data from data collection, the process of cleaning and processing to data storage can provide financial analysts with fast, tidy, and diverse data for easy analysis, greatly reducing their workload in terms of data sources, and making them more focused on the research and implementation of strategies and models. Considering the

The recent study of stock data back-test (in fact, want to do quantitative trading), but can provide data directly to the API is not very stable (tushare timeout, Yahoo to repair to use, also not very stable) #雅虎股票数据API的修复包 from pandas_datareader import data as PDR Finally, I intend to study the Python crawler, I have heard of the name of the Py reptile, and tried the next I think OK. Import requests from BS4 import BeautifulSoup import re #步骤1: G

Even for the veteran of the stock market, it may be useful to review the basics of stocks.The essence of shares is simple, which is part of the ownership of a company. Stock is the certificate of Ownership, which represents the shareholder's interest in the company, including the company's assets, liabilities, income and so on. Holding a company's shares means that you are one of the owners (shareholders) o

1855: [Scoi2010] Stock trading time limit:5 Sec Memory limit:64 MBsubmit:909 solved:420[Submit] [Status] [Discuss] Description recently Lxhgww and fascinated by the investment stock, through a period of observation and study, he summed up the stock market some rules. Through a period of observation, Lxhgww predicted the future of a

This year experienced the rise and fall of the bull market, after a 6.26 plunge, the entire round of stock market profits all vomit. The root of the return is the pyramid to add more, Shanghai 2500 to more than 4,000 has been small funds small bets, walk stop, May end of the brain cramps suddenly transferred money to the stock account, originally wanted to play new, The result unconsciously in 5.27 add to f

A: I want to grow rice to make a lot of money. Give me warmer weather. I want more sunshine!Farmer B: Top...... N days later, there will still be no warm sunshineFarmer A: Why does the Jade Emperor not let the sun shine?WinterAh?Farmer B: the Jade Emperor, an adult, should have an internal relationship. Let the sun out! These stories make you laugh better than others. But let's look back and see if the first joke is more normal?No. In fact, the first joke is the most absurd. In today's ag

For a long time Wenwu have found that there are many similarities between SEO and stocks, these two things happen to be Wenwu favorite. Today we talk about SEO and the stock of some similarities! 　1.SEO and stocks do not have a standard set of technology Stocks have a separate investment and speculation, SEO also has a black hat and white hat. But whether it is investment or speculation, neither black hat nor white hat has a set of technical standa

Question 1: Best Time to Buy and Stock Say you have an array for which the ith element is the price of a given stock on day I. If you were only permitted to completeAt most one transaction(Ie, buy one and every one share of the stock), design an algorithm to find the maximum profit. Analysis:An array of prices [] is used to represent the price of a

best time to Buy and Sell Stock IISay you has an array for which the i-th element is the price of a given-stock on day I.Design an algorithm to find the maximum profit. You could complete as many transactions as (ie, buy one and sell one share of the stock multiple times). However, engage in multiple transactions for the same time (ie, you must sell the

Recently, I have been busy developing applications that simulate stock trading. The first consideration is how to obtain stock data information. Later, I Googled it on Google and found that I relied on Sina's stock information interface. In the test Recently, I have been busy developing applications that simulate stock