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Title Link: http://acm.hdu.edu.cn/viewcode.php?rid=32159923 Abstract: there are n rectangular blocks. These rectangular blocks have three different colors: R, G and B. the color of the final area is determined by the type of color in the area. What is the area of the seven colors of R, G, B, RG, Rb, GB ...

Linux global installation composer Switch the directory to the / usr/local/bin / directory cd /usr/local/bin/ Download composer in bin directory curl -sS https://getcomposer.org/installer | php View composer through composer.phar -v Change to Chinese image composer.phar config -g repo.packagist composer https://packagist.phpcompo ...

Preface Since the last two blogs Python genetic and evolutionary algorithm toolbox and its application in constrained single objective function value optimization And genetic algorithm The shortest path of directed graph After that, I learned the official documents of the toolbox and the research of ...

Article directory Code reuse and function writing Benefits of code reuse cost reliability Uniformity Use the require() function and the include() function require() function -- introduce code require() function -- making web site template Use auto prepend file and auto append file Using PHP func ...

Topic mode A message is obtained by multiple consumers. The target queue of the message can be specified by the BindingKey wildcard (ා: zero or more words, *: one word). There are four types of switches in RabbitMQ: direct fanout topic headers. In routing mode, the switch type is topic. Class lib ...

Happy new year to you guys. I haven't updated my blog for another half month. Update is also more casual, think of what to write something, convenient and everyone work with learning summary. Recently, I talked about PHP security related issues with my colleagues and recorded some experience. Due to many reasons of script language and early ver ...

WNMP environment building steps Installation of three major parts Nginx installation PHP installation MySQL installation Three piece configuration Nginx configuration PHP configuration MySQL configuration Three piece joint commissioning PHP connection Nginx PHP connection to MySQL Common script ...

PHP + infinitscoll implements infinite scrolling of web pages to load data instances. The implementation principle: when the scroll bar is a certain length from the bottom of the web page, send the number of pages to the background and get data. First, we put 10 pieces of data on the page, that is, the first page. Each item is a p tag: 1 <d ...

How to send cross domain POST requests through JavaScript? Note - it should not refresh the page, after which I need to grab and parse the response. #1 building Advanced. ... you need to set up cname on the server so that other-serve.your-server.com points to other-server.com. Your page dynamically creates an invisible iframe that ...

We're currently working in a private beta, so we're still making fairly rapid changes, although obviously we'll slow down the process as usage increases. That said, one of the problems we encountered was that after the introduction of the new JavaScript file update, the client browser still uses the cached version of the file, and they can't s ...