dev [shell] Trimming fixed prefixes and suffixes from string variables In shell scripting, there are often cases where you want to remove file extensions like `.txt` or `.png` from a string variable. In Python, you could use the `split` method, but how can you handle this simply in a shell script?
ai Using DeepSeek-V3 in Langchain An open-source model claiming performance comparable to GPT-4 and Claude-3.5-Sonnet, the DeepSeek V3 model, has been released. In this post, we will briefly introduce how to use the DeepSeek-V3 model in LangChain.