Programmer Group

We often encounter the problem of using telnet/ssh to log on to a remote Linux server and run some long-time tasks, but the task fails due to the instability of the network. How can commands be submitted without interference from local closure of terminal windows/network disconnection? Here are some examples where you can choose different ways ...

In an akka-cluster environment, JDBC databases are separated from other nodes in the cluster from the point of view of data invocation. This is because the JDBC database is not distributed and does not have the transparency of node location. Therefore, JDBC database server must provide data manipulation through service mode. In this scenario, t ...

I'm playing spring boot integration shiro, but I find that its session s and cookie s make me a little confused... First of all, the difference between session and cookie is stated. In fact, session and cookie are the same thing. By the way, sessions operated in shiro in a web project, managed sessions are essentially sessions of web http, wit ...

First of all, I declare that the so-called programming mode in the title is a process control programming mode that I personally consider in the cluster environment of cross-node (jvm). It is conceived purely according to actual needs and has no theoretical support. In May, I shared some ideas about programming mode in cluster environment on sc ...

Links to the original text: Flask and PostgreSQL on Heroku Heroku is becoming my favorite platform for deploying simple Python applications. Heroku actually provides you with a fully managed system, and you can deploy your application in just a few minutes. Not to mention that its free version (1 dyno, Postgres dev plan) actually gives us mor ...

= = review = = Let's review it again. public/index.php The code is as follows (excluding the detailed comments section). <?php // public/index.php /** * Laravel - A PHP Framework For Web Artisans * * @package Laravel * @author Taylor Otwell <taylor@laravel.com> */ /* |-------------------------------------------------------- ...

Because of the need to record and analyze tomcat's logs, Baidu searched for the software awstats to use, and then made a mistake for two days, recording steps to prevent problems from happening again. Environment: server 2008 r2, project has been running normally on Tomcat 8, ActivePerl-5.24, awstats-7.7 download address onlin ...

In a recent case, many queries were blocked and no results were returned. Using show process list, we found that many MySQL threads were in the state of Waiting for table flush. Query statements were blocked all the time and could only be solved by Kill process. Let's take a look at Waiting for table flush's official explanation: https://dev.my ...

Persistent Ephemeral Node / Persistent Node A persistent node that can be maintained when a link or session is interrupted. 1. key API org.apache.curator.framework.recipes.nodes.PersistentEphemeralNode 2. mechanism description Actually, it's org.apache.curator.framework.recipes.nodes.PersistentNode. Considering a lot of abnormal situations, it ...