1, HTML introduction
1. What is HTML
HTML: Hyper Text Markup Language
All kinds of tags are used to make web pages and tell browsers how to display pages
Make web pages, control the display of web pages and content
Insert picture, music, video, animation and other multimedia
Posted by RobOgden on Mon, 29 Jun 2020 05:36:00 +0200
In the development of high concurrency system, there are four tools to protect the system: diffluence, cache, degradation and flow restriction. Based on the author's experience, this paper introduces the related concepts, algorithms and conventional implementation of current limiting.
Concept interp ...
Posted by plapeyre on Mon, 29 Jun 2020 04:11:04 +0200
CRC checks (cyclic redundancy checks) are the most commonly used checks in data communication.In embedded software development, CRC algorithm is often used to verify various data.Therefore, mastering basic CRC algorithms should be a basic skill for embedded programmers.However, few embedded pr ...
Posted by mispris006 on Sun, 28 Jun 2020 18:57:15 +0200
02-VGNet Learning Notes
The following are personal learning notes for reference only
1. What percentage of the parameters are less for three 3*3 convolutions in VGG than for one 7*7 convolution?(Assuming both input and output channels are C)
2. What is the difference between VGG-16 and VGG-19?
3. Wh ...
Posted by coolcat on Sun, 28 Jun 2020 18:42:46 +0200
What is JS framework
To put it bluntly, it is a defined JS file that encapsulates many functions inside, which can greatly simplify ou ...
Posted by dhimok on Sun, 28 Jun 2020 04:43:26 +0200
1 multi meter
1.1 multi table description
In actual development, a project usually needs many tables to complete
For example, the database of a shopping mall project needs many tables: user table, classification table, commodity table, order table
1.2 disadvantages of single table
1.2.1 table building
Posted by powaz on Sat, 27 Jun 2020 10:16:57 +0200
 The difference between int(3) and int(11) (cognitive error of thinking inertia)
Here, 3 or 11 represents the specific length stored in the database, always thinking that int(3) can only store 3 numbers of length, and int(11) can only store 11 numbers of length.
 Mysql Basics
When learning M ...
Posted by mmorton on Fri, 26 Jun 2020 03:45:53 +0200
originate stackoverflow Last question Why it is faster to deal with an ordered array than to deal with an array without it , there are some discussions in the original text. Let's first reproduce the results and then explain why!
We have the following two sections of code. The code looks similar, but in fact, the logic is the same. They count t ...
Posted by ray-solomon on Thu, 25 Jun 2020 14:28:53 +0200
Shortest palindrome string
Given a string s, you can convert it to a palindrome string by adding characters before the string. Find and return the shortest palindrome string that can be converted in this way.
You can use horse drawn cart to get the longest palindrome substring, and then add it in reve ...
Posted by manmanman on Thu, 25 Jun 2020 11:58:16 +0200
Previously introduced Detailed usage of matplotlib plot method , today we will introduce the drawing method in pandas. In essence, the drawing method encapsulated in pandas calls the drawing method of matplotlib.
The basic plot method, the plot method of Series and DataFrame in pandas, is the plot ...
Posted by patheticsam on Thu, 25 Jun 2020 06:44:10 +0200