Programmer Think

I. Introduction Nginx (engine x) is a high performance HTTP and reverse proxy server, as well as an IMAP/POP3/SMTP server. [Introduction to Baidu Encyclopedia] Reverse Delivery and Load Balancing are commonly used Home brew Installation Installation of Nginx, here we use the homebrew tool to install the diagram. As f ...

I integrated Alipay interface to pay for it, but there seems to be no callback in notify_url.php. Therefore, according to official documents, I made the following modifications. $verify_result = $alipayNotify->verifyNotify();   if($verify_result) {       //Merchant Order Number       $order_id = $_POST['out_trade_no'];       //Alipay tran ...

1. Default Virtual Host Modify configuration files vim /usr/local/nginx/conf/nginx.conf Add "include vhost/*.conf;" in the last penultimate line (all files ending with. conf under vhost will be loaded so that all virtual host configuration files can be placed in the vhost directory)   Create vhost, edit configu ...

order This paper mainly studies the Code Cache of jvm. Code Cache The memory space of native code generated by JVM is called Code Cache; JIT compilation, JNI and so on compile code to native code, and the native code generated by JIT occupies most of the space of Code Cache. Related parameters Codecache Size Options -XX:InitialCodeCacheSize ...

1. Basic concepts 1.keepalived is a software similar to layer3, 4 & 5 exchange mechanism, which is commonly referred to as Layer 3, Layer 4 and Layer 5 exchange.Keepalived is done automatically without manual intervention.2.Keepalived's function is to detect the state of the server. If a web server is down or fails to work ...

After installing the docker locally the other day and getting familiar with the commands, I still couldn't help but go through a wave of golang mirror deployments on centos. Here are my steps and some ideas.Prepare: A networked centos server with docker installed 1. Not to mention, write a Dockerfile (just want to experience the dockerfile proc ...

Four processes for Android source code compilation: 1. Source code download, 2. Build compiler environment, 3. Compile source code, 4. Run My environment here is Ubuntu 16.04 (64 bits), android version 8.1.0, space at least 150G (note) Source download As we all know, because Google is walled, we use domestic mirrors here to ...