Application of Singleton Pattern in Python

I spend a lot of time in front of the computer without taking breaks. It’s not that my work is particularly interesting or important, there’s a kind of inertia that makes it easy for me to sit for extended periods. Such a routine can be harmful to my eyes and may lead to other health issues like cardiovascular disease, obesity, back pain, and...

I’ve been using the built-in input method on macOS for a while, and it’s pretty good, it is fast and doesn’t have many fancy features. In my daily work, I’ve gotten used to coding and searching in English. I rarely use obscure Chinese words, nor do I need to use internet slang. However, the quality of the first line of candidate words in Chinese...

VictoriaMetrics can serve as a full-featured alternative to Prometheus (not 100% compatible). Its official selling points are Scalability, Reliability, Ease-of-Use & Cost-Efficiency. The author has previously released some golang code libraries known for their performance. As an alternative to Prometheus, it tries to solve many existing problems...

The devil is in the detail. Use Cases of Distributed Lock Distributed locks are used to avoid the following issues when shared resources are read and written simultaneously in multi-process/multi-machine scenarios: Concurrent reading and writing leads to dirty data. Concurrent reading, based on the read data/state, results in...

When I was in school, I felt that having learned enough rules, laws, and problem-solving templates, I always lacked interest in these things. Therefore, when I first started writing code and encountered the MVC pattern, I felt that MVC and the like were not good practices after trying a few times. Why should one make things so complicated when...