The use of Python evolutionary algorithm toolbox optimization of SVM parameters with evolutionary algorithm

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 ...

Posted by muthuraj_mr on Wed, 15 Jan 2020 01:24:37 -0800

ch05 code reuse for function writing

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 ...

Posted by MrSheen on Mon, 13 Jan 2020 03:47:13 -0800

Topic mode of RabbitMQ (PHP version)

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 ...

Posted by MrQcue on Sun, 12 Jan 2020 23:49:21 -0800

Some security settings of PHP

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 ...

Posted by sledgeweb on Sat, 11 Jan 2020 05:43:44 -0800

Build WNMP environment from scratch

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 ...

Posted by M.O.S. Studios on Sat, 11 Jan 2020 00:12:52 -0800

PHP + infinitscoll to realize infinite scrolling and loading data instance of web page

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 ...

Posted by sweatje on Thu, 09 Jan 2020 07:14:42 -0800

How to send cross domain POST requests through JavaScript?

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 ...

Posted by ghurtado on Thu, 09 Jan 2020 05:13:05 -0800

How to force the client to refresh JavaScript files?

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 ...

Posted by shashiku on Wed, 08 Jan 2020 02:53:41 -0800

Deploy Zabbix monitoring software

Monitoring is very important for operations and maintenance, which can be called the eyes of operations and maintenance personnel.A good monitoring system can help operators quickly find the root cause of the problem, reduce downtime, and improve the speed of troubleshooting.It can be seen from this that, as an operation and maintenance person ...

Posted by neverett on Tue, 07 Jan 2020 16:12:30 -0800

Build lnmp+wordpress environment

Question Summary Nginx section Essential Library yum install -y wget vim gcc gcc-c++ zlib-devel pcre-devel openssl-devel Compile Options ./configure --with-http_stub_status_module --prefix=/data/wwwroot/nginx-1.17.1 --user=www --group=www --with-http_ssl_module Matters needing attention To be added start-up .../sbin/nginx Common Errors To be a ...

Posted by trink on Mon, 06 Jan 2020 14:30:06 -0800