lpad stock

Some people say that the stock market is a money-making "tool", but if you do not grasp a certain operating skills, not only make money, but will lose. Here are six ways to make a profit.Method One: Short-term profit methodThe short-term profit method is the investment technique that buys a lot when a stock rises, and then sells it in a short period of time to a considerable height.Short-term profit strateg

Ideas :Say you has an array for which the i-th element is the price of a given-stock on day I.If you were-permitted-to-complete at most one transaction (ie, buy one and sell one share of the stock), design an AL Gorithm to find the maximum profit.code : OJ Test code runtime:111 ms1 classSolution:2 #@param prices, a list of integers3 #@return An integer4 defMaxprofit (Self, prices):5 #Non

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).Problem Solving Ideas:Since it is a two-time deal, it is divided into two areas. First, according to the idea of a transaction to cal

Before using Sina's stock data, because Sina Http/javascript lacks some data, uses the chrome own development tool to monitor the Teng Xun financial HTTP information, obtains the following method to obtain the stock data. Take Wuliangye as an example, to get the latest quotes, access the data interface: [HTML] http://qt.gtimg.cn/q=sz000858 return data: [HTML] v_sz000858= "51~ Wuliangye ~000858~27.78~27.60~

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. Transactions at the most K .Note:Engage in multiple transactions on the same time (ie, you must sell the stock before you buy again).Credits:Special thanks to @Freezen for adding this problem and creating all test cases.Based on Dynamic PlanningMaintain II vectors:gpro:to Da

title :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).Code : runtime:175 ms1 classSolution:2 #@param prices, a list of integers3 #@return An integer4 defmaxprofit_with_

R get Stock dataSeveral pkg in R provide the online download of stock data Essentials, if you have to find a better, then quantmod well-deserved! For example, to download the market data in Shanghai, the code can be:library(quantmod)SSE head(SSE)possible:library(quantmod)setSymbolLookup(SSE=list(name="000001.SS", src="yahoo"))getSymbols("SSE")head(SSE)These are the essentials recommended by Jeff Ryan (Quant

Now in the hand is a securities information type of app, which involves the stock market interface, the market has chart and so on, see a lot of people on the Internet to seek this information, so I specially wrote a demo here to share with you. Here's how it works: The background map is the use of canvas first draw a rectangle, and then draw a few dotted lines, the EMA is drawn through the path, in short the drawing is very simple, I do not intro

The February 29 News reported that South Korea's only stock exchange, the Korean Exchange (KRX), will create an over-the-counter (OTC) platform using block-chain technology. The trading system developed by the Korean Exchange, which uses the underlying bitcoin and other digital currency codes, is at an early stage of development, The Korea Times reported. The exchange's representative told the media that the platform could help its OTC traders reduce

Sina's financial channel has always felt good. But because of the recent slow speed, the Web page is always open when viewing stock information. have been studying Ajax for several days, so I made a page with jquery to automatically read real-time data on Sina stock. Accustomed to using prototype, replace the script part of the code. Copy code code as follows: Of course, the page par

Problem-solving ideas: Record two states: 1, currently, there is a stock when the maximum yield Havstock = max (Havstock, Nonstock-prices[i]) 2, currently, no stock when the maximum yield nonstock = max (nonstock, hav Stock + prices[i]) State transfer formula is listed above. Class Solution {public : int Maxprofit (vector

If you do not have a ten-year reserve for a stock, do not hold it for ten minutes.-- Investment master Warren Buffett We often say that stocks are high-risk, high-reward investment tools. Likewise, it can be proved that stock funds also have high-risk and high-reward features and are suitable for long-term investment. In stock fund, it can be further subdivided

Tip 1: questions about stop loss and stop win. I think it is very important. the stop and stop losses settings are especially important for non-professional investors. Many retail investors will set up stop losses, but will not stop winning. It is necessary to discuss with you today. We all know that the establishment of stop loss sets a fixed loss rate, and the arrival position is strictly enforced. But it won't happen to ordinary retail investors. Tip 2: Do not expect to buy the lowest poin

Eight-character policy of the Securities MarketThe eight-character policy of the securities market is "legal, regulatory, self-discipline, and Regulation ". (Feel the most powerful attack band in China's stock market... ...) Three PrinciplesThe three principles refer to the principles of openness, fairness, and justice. Insider tradingInsider trading refers to material information that is known to insiders and has not yet been made public and may a

This paper describes the stock information query class based on curl implemented by PHP. Share to everyone for your reference, as follows: Stock information query function we need to crawl the data of the third party, and then we analyze the data to compose what we want, let's look at a PHP stock information query class. Today a two-cornered friend let me help w

Warren Buffett in the face of the public, the first thing to do is to drink Coke to sell moe.1. The fund manager is too incompetent, and the data show that few fund managers can continue to surpass the index in performance. So choosing a fund is not as direct as buying an index.2. The index will save time and effort, do not have to stare at the stock at work. It is the most valuable investment that young people spend more time working hard to improve

2016/05/09 Append: corresponding QUANTMOD package related instructions reference http://www.quantmod.com/ The Quantmod package defaults to access to Yahoo Finance data, including SSE and Shenzhen stock data, as well as Hong Kong equities. The SSE code is SS, deep Proof code is SZ, Hong Kong stock code is HK such as Maotai: 6000519.SS, Vanke 000002.sz, Changjiang industrial 0001.hk Use the following command

Many investors lamented how nice it would be to find the stocks to be pulled up in the intraday market, even if it was a short-term! In fact, it is not impossible to predict that the stock is about to rise. The experience of some professionals below may inspire investors. Move 1: forecast all-day transaction volume There is a saying in the market: the relationship between quantity and price is like the relationship between water and ships. water in

Php curl-based Stock Information Query Class instance, curl Information Query This example describes the Stock Information Query Class implemented by php Based on curl. We will share this with you for your reference. The details are as follows: We need to capture third-party data for the stock information query function, and then analyze the data to make up what

This article describes the PHP based on curl implementation of the stock information query class. Share to everyone for your reference, specific as follows: Stock information query function we need to crawl third party data, and then we analyze the data to make up what we want, let's look at a PHP stock information query class. Today, a two-cornered friend let