jdhao's digital space

A very common confusion for new users of Neovim is that their option settings for a particular filetype does not work in init.vim (or init.lua).

In Lua, to pass variable number of arguments, we can use ...

Introduction # In Python, some packages are written mainly or partially in C++, and the Python interfaces are just wrappers around the binary C++ module.

I am using MySQL server version 8.0.30 on my macOS.

This is not a complete list of changes.

We can use trigger to automate oerations, for example, preventing insertion of a record if certain condition is met.

Here is how much I spend for living in Shenzhen, China as a non-local people.

I saw from the repo awesome neovim1 a plugin that helps the user create the intermediate dir when they save a file.

Recently, when I try to use Ctrl-left and Ctrl-right in Neovim, I found that they are not received by Neovim.

As a machine learning engineer/data scientist, after the model development process is finished, we need to deploy the model as a web service using different web frameworks.

This post summarizes how to update author info of Git commits.

When we serve a HTTP service via uWSGI, we can monitor its stats via uwsgitop.

In Python, we often see the use of super() in class initialization.

If we pass list as parameter to a function and change the parameter, the original list is also changed.

序：有感于无休无止的核酸检测，我觉得有必要写点什么，记录下正在发生的和已经发生的历史。

工作的意义是什么？

Recently the nvim 0.7.2 version is released following the 0.7.0 release two months ago.

update log 2022-10-12: add fake data generation website. 2022-10-11: add TUI client for MySQL and Postgres. 2022-09-24: add sample database we can try.

As a machine learning engineer who mainly deals with vision-based projects, I have little opportunity in my work to actually use SQL (Structured Query Language.).

I saw a post from stackoverflow asking why his logger does not work as expect?

In this post, I want to share how to generate ply files in Python.

As a long time nvim user, I am learning Lua and slowly transition my nvim config to lua.

When running apt-get update inside Ubuntu 18.04, I have the following error:

今天总结一下“豆角焖面”的做法。

Background # The thing is that I have a Logitech pebble and mx keys mini keyboard, and I use Bluetooth to connect them to my mac, but they randomly lost connection when I was using them, especially for the mx keys mini keyboard, this occurred on a daily b…

I saw an interesting question that how to get square root of x without using builtin function from your language.

A short note on how to match non-greedily in Nvim/Vim.

To promote security, starting from Aug. 2021, many GitHub operations require use of personal access tokens (PAT).

This is a brief note on how to use Tensorboard in PyTorch.

In this post, I would like to share how to add color emoji to image with Python.

What is alpha-compositing If you have two images A and B, you alpha-composite A over B, it will create an effect that you can see both image A and B in the resulting image, as if A has transparency and you can see through A and also see B.

今天介绍另外一种风格的炸酱制作，区别于之前写过的 老北京炸酱.

Non-linear activations are important in deep neural networks.

I have a web service where the images come in a batch so I have to do inference for several images in PIL format at a time.

Like other programming languages, the best way to to use a value multiple times in LaTeX is to define a variable for it.

When merging branches, the most direct way we can use is to git merge.

Softmax function is commonly used in classification tasks.

File explorer is one of the most widely-used types of plugin for Vim/Nvim.

有个人 A 在 Vim tg 群，问了一个简单的 vim 问题，另外一位群友 B 给了间接的回答，告诉他应该多搜索一下。

Building a usable Docker image with all the packages living peacefully is hard.

In order to for PyTorch to use host GPU inside a Docker container, their versions must match.

Today I upgrade Hugo from v0.75 to the latest version (v0.92).

凉菜万能调料汁制作方法。

家常版蒜蓉炒虾🦐制作方法。

Saving and loading PyTorch models # Models in PyTorch are a subclass of torch.nn.Module.

I took the LinkedIn Git assessment and got a certificate1, but found that I am not super clear on some of the questions.

LogSumExp is often used in machine learning.

We often need to squash several related commits to make the commit history cleaner.

update log 2022-08-21: add section on profile visitor stat 2022-04-09: add section on Stack Overflow stats card.

I started using Neovim (nvim for short) about three years ago, in Sep. 2018.