Xiaofei's Blog

Matplotlib字体设置

matplotlib字体机制、字体缓存、修改字体、中文字体设置

简单记录一下今天在matplotlib中尝试切换字体的过程 1. matplotlib 的字体机制我们举一个简单地例子假设我们写了这样一段代码： 1 2 3 4 5 from matplotlib import pyplot as plt plt.plot(range(10)) plt.title("哈哈") plt.show() 如果在一台普通的电脑上运行，会有如下结果：...

Posted by Xiaofei on January 11, 2021

Query Large Table in Go

Use go routine to accelrate query mysql in go

Take home message1: Query DB by bucket and use go routine to parallel them. Take home message2: All code is on Adoni/golang-query-large-table · GitHub Sometimes we need to load data from ...

Posted by Xiaofei on July 7, 2019

Plot on Remote Server

Plot on server, show locally

For lots of data scientist or ML researchers, matplotlib, the popular Python-based graphing library, is one of the most useful tool for visualization. For example, use the code below can draw a str...

Posted by Xiaofei on January 8, 2019

Python Coding Practice

I didn't say it's the best practice, so you know :)

Concurrent and multi-process It’s common to use services to do something in a company. In this situation, we want to use multiple processing to handle traffic delay. 1 2 3 from concurrent.futures...

Posted by Xiaofei on January 7, 2019

Understand SVM (1)

In last post we introdue SVM. Now we want to solve it. Lagrangian Theory This section is based on the content of book Convex Optimization. Generally speaking, Lagrangian Theory can be used t...

Posted by Xiaofei on November 8, 2017

Understand SVM (1)

In this post I gonna write something to understand SVM. Thanks to Professor Francesco Orabona’s explain and most content of this post is learned from his course Convex Optimization. What’s SVM SV...

Posted by Xiaofei on November 8, 2017

Word2vec with Pytorch

In this post, we implement the famous word embedding model: word2vec. Here are the paper and the original code by C. Word2vec is so classical ans widely used. However, it’s implemented with pure C...

Posted by Xiaofei on November 8, 2017

Badminton: Warming-up and Stretching

Translated from [here](http://bbs.badmintoncn.com/forum.php?mod=viewthread&tid=759835)

Neck Before turning your neck around, please do the following action first: Shoulder-Arm-Wrist Leg-Ankle

Posted by Xiaofei on October 7, 2017

Tricks for Jupyter Notebook

Some tricks or interesting aspects of Jupyter Notebook

Profiling Firstly, install line_profiler. pip install line_profiler You can find more information about line_profiler in its GitHub repo. Sencondly, run this command (which is called magic) in ...

Posted by Xiaofei on October 6, 2017

User Manual for Myself

Some common thing to use this template from https://github.com/Huxpro/huxpro.github.io

Header1 Use Latex：$$T_n=2^n-1$$ (in a new line), then the output is: \[T_n=2^n-1\] Or use Latex inline like \$ T_n=2^n-1 \$, then the output is: $ T_n=2^n-1 $ Header2 You can use url with ...

Posted by Xiaofei on October 3, 2017

雕虫「晓」技

Matplotlib字体设置

matplotlib字体机制、字体缓存、修改字体、中文字体设置

Query Large Table in Go

Use go routine to accelrate query mysql in go

Plot on Remote Server

Plot on server, show locally

Python Coding Practice

I didn't say it's the best practice, so you know :)

Understand SVM (1)

Understand SVM (1)

Word2vec with Pytorch

Badminton: Warming-up and Stretching

Translated from [here](http://bbs.badmintoncn.com/forum.php?mod=viewthread&tid=759835)

Tricks for Jupyter Notebook

Some tricks or interesting aspects of Jupyter Notebook

User Manual for Myself

Some common thing to use this template from https://github.com/Huxpro/huxpro.github.io

FEATURED TAGS

ABOUT ME

FRIENDS