Programming VIP

Capture of iOS Swift Crash Introduction to crash capture If you don't know much about crash capture, you can refer to this article first. Article In this paper, Mach anomaly + Unix signal is used to capture crash. NSException is usually captured only in OC. Normally, after capturing NSException exception, a corresponding ...

Last weekend, I had nothing to do at home, so I set up EFK environment for the project team to collect logs. The final goal of the deployment is as follows: In each application machine, a Fluent serves as the proxy, reads the specified application log file in tail mode, and then Forward to Fluentd, which acts as the aggregat ...

The Role of Redis Distributed Locks In a stand-alone environment, there is a second-kill commodity activity, in a short time, server pressure and traffic will rise sharply. This will lead to concurrency problems. If you want to solve concurrency, you need to solve it. 1. Improving system throughput, that is, requests processed by qps per second ...

I've reorganized the box for this log collection system, as shown below The overall logic of the code to be implemented this time is: The full code address is: https://github.com/pythonsite/logagent Introduction to etcd Highly available distributed key-value storage for configuring sharing and service discovery Similar projects: zookee ...

What is the 0x00 pwd command? pwd is used to display the path to the current directory. How does the 0x01 pwd command work? We know that a directory contains two special directories. and.. Representing the current directory and the previous directory, respectively.We can first find the inode node number of.And then go back t ...