In the user research work, how makes own data and the conclusion to be more persuasive, is very important question. Recently accumulated their own use of research reliability and validity of the notes collated, listed in the text, I hope to help you. The quality of the investigation depends on the reliability and validity of the investigation. Reliability mainly refers to the consistency and stability of the measurement results. That is to say that the conclusions and data reflect the user's most realistic and stable idea. When users answer questions, they tend to be influenced by the environment, time and local emotions, and the idea that they are not true is that there will be random errors. Reliability is the measure of this ...
Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall before explaining this topic, first say 404 error page is how to produce? When the website is revised and adjusted, Moved or deleted the previous site directory and Web pages, and users and search engine spiders visit these pages again, will find that these pages do not exist, this is often said the error page. If your site is set correctly ...
New Express reporter Hong Wen recently dell in Taiwan, China, China and Hong Kong, such as the occurrence of a series of direct sales of the site, coincidentally, consumers Mr. Ye recently also reflected to this newspaper, the end of last year, Dell China's mainland web site to the wrong price of a notebook computer, he also "snapped up" a Taiwan, but half a year past, Dell has not yet been shipped to him in accordance with the "Oolong price", even when he asked to cancel the order to take back the payment, the process is also quite troublesome. 5000 Yuan Blu-ray optical drive "free to send" Mr. Li told reporters, November 21, 2008, he was in the Dell mainland China official online hair ...
China's IDC Circle December 31: In today's fast-paced high-tech environment, websites and http://www.aliyun.com/zixun/aggregation/34635.html "> personal pages will soon become outdated, So do external links to place on your site's homepage. seo168 that regular inspection is very important to ensure that any site links no errors. Broken links, HTML bugs and other problems will haunt visitors to your site ... We strongly recommend that ...
In recent years, the frequent occurrence of credit card information leaks to make the network with convenient reputation to pay deep crisis, many consumers questioned Ctrip Travel Network (hereinafter referred to as "Ctrip") and other electronic business sites suspected of storing user credit card sensitive information for future use of card security buried hidden dangers. Ctrip refers to the storage of credit card sensitive information leakage risk, a number of consumers to the China Network Financial center, said that in Ctrip purchase products, only simple information to check to complete the transaction. Consumer Zhang said that his credit card for the first time in Ctrip consumption, need to provide credit card card, card number, effective ...
In 2014, March 22, the afternoon of the 18:18 points, Cloud vulnerability platform released data message that Ctrip system storage technology loopholes, may lead to user personal information and bank card information leaks. According to the survey of cloud platform, Ctrip opened the debugging function to the service interface for processing user's payment, so that some of the packets that were transmitted to the bank to verify the owner interface of the card were kept directly in the local server. The cloud report said that the leak of information included the user's name, ID number, bank card number, bank card category ...
In this lesson, we want to learn how to increase the intelligent processing capacity of the Web page. Basic functions Welcome to the third and final lesson of this tutorial. If you've learned the first and second lessons, you've mastered the basics of installing and programming MySQL and PHP. Here are some of the other functions of PHP that might be useful to you and make your development process simpler. First, let's look at the document. You should know some basic concepts of the header file, right? The header file is an external file whose contents are included in the main program. ...
Overview 2.1.1 Why a Workflow Dispatching System A complete data analysis system is usually composed of a large number of task units: shell scripts, java programs, mapreduce programs, hive scripts, etc. There is a time-dependent contextual dependency between task units In order to organize such a complex execution plan well, a workflow scheduling system is needed to schedule execution; for example, we might have a requirement that a business system produce 20G raw data a day and we process it every day, Processing steps are as follows: ...
Web Effects ID Number _ ID number JS Verify <!doctype HTML Public "-//W3C//DTD XHTML 1.0 transitional//en" Http://www.w3.org/tr/xhtml1/dtd /xhtml1-transitional.dtd "> <html xmlns=" http://w ...
Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host Technology Hall Forum signature is one of the methods of constructing outside chain as our optimization personnel use most. The reason why it can be so favored is mainly because of its low construction threshold and quick results, many optimization personnel in contact with the optimization of the initial start of the chain, and the construction of the outside chain from the forum signature began. Some excellent ...
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