GOOCODE - Find your code/scripts

0 Recently, due to project requirements, the server was upgraded from CentOS6 to CentOS7, and the corresponding PHP version was also upgraded to PHP5.6. We are familiar with a one-click installation package for LEMP environment, but in this article we will install each component module separately and build a complete PHP operating platform.

The LNMP environment we often refer to is the Linux/nginx/MySQL/PHP combination. What is LEMP? Actually, Nginx is pronounced Engine-X = E. The LEMP package is made up of Linux, nginx, MariaDB/MySQL, and PHP. It seems that LEMP and LNMP are the same. Now, it is customary to call LEMP in the industry. MariaDB is a branch of the community-driven MySQL database. It has more features and better performance, so we installed MariaDB under CentOS7. I already installed CentOS7. Now I just need to install Nginx, MariaDB and PHP.

6 Reveal.js is a tool that helps us easily create beautiful presentations using HTML, which is our common PPT slideshow. Reveal.js does not depend on any other javascript library and is an independent javascript plugin library. It offers a variety of slide transitions and is a great online demo library.

Reveal.js also has many advanced features, complete installation, some of the functions of reveal.js, like external Markdown and presentation notes, need the presentation to run on a local web server, so you need to run in nodejs environment, install node .js and grunt are a bit more complicated. This article uses a simple installation, combined with examples of the site, using reveal.js to achieve the functionality of the presentation.

1 File upload WEB development in a wide range of applications, we often send microblogging, send micro-channel circle of friends have used the picture upload function. File upload refers to the process of uploading local images, videos, audio files to the server for other users to browse or download. Today, I talk to you about the common file (picture) upload methods and points to deal with.

1 Sometimes we need to record the operation of an operation event of the user or back-end, you can use the back-end language such as PHP to log the operation results to the log file, easy to test and find the problem. In particular, these are running in the back-end and the front can not directly see the results of the operation, then you can use the log file to record, if you often interface with some interfaces such as paypal interface, amazon card interface, log records will be not enough.

We talk about PHP log records, log information is written to a log file, different from the memory log. The process of writing to the log is to open the log file (newly created if it does not exist), then append the log content to the back of the log file, and finally close the log file.

In this article, we save the contents of the log in json format for easy reading directly when needed.

0 As the first person to meet with AlphaGo in 2015, the Chinese traveler European football player, the European champion Fan wrote a detailed description of the chess program chess and chess routines, and its use in the recent game strategy and tactics Innovation. The following is Fan Quan full text:

One of the most important roles of artificial intelligence is that it helps humans understand and explore the ability of new knowledge in complex areas. The use of artificial intelligence in several areas has given us a glimpse of its ability. For example, using algorithms, we have greatly optimized the use of energy for data centers. Of course, there's our Go program - AlphaGo.

0 Microsoft CEO and Chief Legal Officer Brad Smith on Sunday issued a violent blog article, attacking the US government "hoarding" network weapons, for such extortion software to provide a convenient attack. "The loopholes in the hands of the government have leaked to the public domain and caused widespread damage," he said, "and this has happened many times, and if it is analogous to conventional weapons, it is like the US military part of the Tomahawk missiles." The Wanna Cry Serbian virus incident affecting the world has been around for a few days, and the virus has caused hundreds of thousands of computers worldwide to be used by hospitals, businesses and government departments.

0 In the development, we often encounter the conversion between the array and XML, especially when dealing with interface development often used, such as the other side of the client POST a XML format data to the server, the server program is responsible for receiving Analysis, there is a need to data table data in XML format to provide third-party applications.

0 The normal site to bring the kind of parameters may be very long, especially in the printing of paper products such as corporate brochures to be printed on a long url, then very ugly, and few people will go to remember this site, Although it is now possible to use a two-dimensional code to open a long URL. But people can use short URLs to achieve beautiful links, especially those with limited number of applications such as microblogging.

Short URL implementation principle is that there is a data table configuration file will be short URL and the actual URL corresponding, when a short URL request, the program jump to the corresponding actual URL up, in order to achieve the URL of the visit.

0 The Meta tag is an auxiliary tag for the HTML language head area, which is located between the head tag and the title tag in the head of the HTML document, which provides information that is not visible to the user. It can be used for browsers (how to display content or reload pages), search engines (keywords), or other web services.
I am now front-end page development often used meta tag content compiled into the mobile side of the web development meta information for the needs of access.

0 Gray industry as the name suggests: In short, the word is standing on the edge of the law or engaged in the country are strictly prohibited regardless of online and offline business affairs activities (specify: I do not know the definition of reasonable). In recent years, with the rapid development of the Internet, some of the past only in the gray industry, has been developed to the line, and the development of more rapid (really formed a line and line combination of O2O closed-loop mode), such as : Porn industry, gaming industry, PW industry and so on.