The followings are some ways of making one element transparent. Since different browser’s compatibility is different, we need many ways to write the opacity in order to fit as many as browsers as possible.

Practice how to use Photoshop to measure the heights of a given picture and write the picture using HTML and CSS.

Environment: When you set float to an element, and it’s parent’s width or height follows the element’s width or height. Then, the parent will lose its width or height and it’s called height crash. Here are some solutions.

This is an easy Navigation bar with no so many functions. When you hover on one item, the background change and all the items are able to click. And here is a preview of the navigation bar.

Solve for the problem about the gray screen problem occurred by gnome.

学的BiliBili上面的《约学习 父子局》的视频。做一下笔记。

村子里住着一个老头儿，老头儿是个瘸腿。没人记得老头儿是什么时候来这个村子的，也没人知道他到底叫什么，年龄有多大。老头儿看起来很老，黄褐色的皮肤上有一道道沟壑，一看就是饱经沧桑的样子，所以村子里的人都叫他老头儿。

最近开课计算机组成原理，由于疫情原因，老师推荐的华中科技大学的秦磊华老师讲的MOOC上的课程。感觉学习难度比较大，因为基础薄弱，所以来总结一下学习的知识，加以巩固。

For This chapter, I mainly learnt the nature of determinant and how to expand the determinant due to its row or line.

I accidentally put my phone in the sea once, and then keep the power on and it broke down. After fixing it, the power off/on button is broken, so I can’t turn off or reboot my phone by pushing the button. So, I use this way:

Since I have already introduced Basemap and how to install , I’ll start it directly.

Last article, we learned how to draw a uncolored map with python. Now, we are going to fill our country with beautiful colors.

Some of the basic rules of CSS and also a learning and reviewing Records of CSS.

Some of the most often used tags of HTML. And it’s also a record of learning process.

Before you start to draw maps with python, you first need to install basemap and pyshp.

Basemap is a plug-in of matplotlib. Matplotlib is a drawing library that helps to draw data in multiple ways using python. And Basemap is used to draw maps. The followings are steps to install basemap.

Just because I want to solve a problem while setting my gitee(It needs to input user name and password every time I deploy my Blog), a friend let me study git first so that I can understand what the bug is telling about!!!! (not for solving the problem, I learn it just for understanding the alert ㅍ_ㅍ……) Life is so hard……

I’ll just record some commonly used commands.

While using windows, I have already had a blog and using hexo system. And my blog is on my mechanical hard disk. I want it to be accessible while using Linux.

There are two steps to make it.