Today, let's talk about the exception handling mechanism in Spring Security.
In Spring Security's filter chain, the ExceptionTranslationFilter filter is specially used to handle exceptions. In the ExceptionTranslationFilter, we can see that exceptions are divided into two categories: authentication exceptions and authorization exceptions. The t ...
Added by trazan on Tue, 30 Jun 2020 05:57:58 +0300
The following method runs on python2 and uses python2 for encoding.
After comparing python3, we find that it is basically the same, that is, after print, add (), which can be run under python3 by using functions.
The method that works for unicode has been removed because it is temporarily unavailable and will be learned separately if needed in ...
Added by RockinPurdy on Mon, 29 Jun 2020 20:00:56 +0300
Basic usage steps
Imagine a scenario where there is a business layer for saving and updating accounts and deleting them, but what do I do when I print logs for saving, updating, and so on?
If we add code directly to the business tier, it's equivalent to adding code that doesn't matter.So here you can ...
Added by stevegg1965 on Mon, 29 Jun 2020 19:52:45 +0300
1. File operation
Create a file. If the file name does not exist, create it directly. If it exists, change the access time
touch [option] filename1 filename2...
root@ubuntu:~/Test# touch hello.c
rm command: delete file or directory
Parameter - r recursively delete subdirectories
rm -rf * del ...
Added by evo4ever on Mon, 29 Jun 2020 11:43:38 +0300
@Huawei - DHCP experiment
DHCP (Dynamic Host Configuration Protocol) is a protocol designed by IETF to realize automatic IP configuration. It can automatically assign TCP/IP parameters such as IP address, subnet mask, IP address of default gateway and DNS server for clients
1: Experimenta ...
Added by mikeweb on Mon, 29 Jun 2020 11:02:44 +0300
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2018 is known as the winter year of the Internet. Companies, big and ...
Added by amar3d on Mon, 29 Jun 2020 09:51:49 +0300
1. GET parameter get version
2. URL path to get version
3. Built in version source code process
4. Built in version class
1. GET parameter to get version
The RESTful specification specifies that the version can be placed on the URL, such as http://127.0.0.1:8000/api/users/?vers ...
Added by Castle on Mon, 29 Jun 2020 09:02:55 +0300
1. Wechat earth
When you open wechat, you will see a famous picture of Zhang Xiaolong standing on it.
Have you ever thought about such a question, what would happen if the earth above turned?
3. Material preparation
Here we need to prepare three materials: 1. The material of the earth's surface; 2. The material of cloud map; 3. ...
Added by iceraider on Mon, 29 Jun 2020 07:41:22 +0300
Last article I talked with my friends about the parsing process of XML files in Spring source code. I could have continued to look down to load core classes, but SongGe still hopes to be a little slower. Since I have to learn to understand, I can learn from XML There are also some other classes and concepts involved in the process of file parsi ...
Added by ureck on Mon, 29 Jun 2020 05:02:29 +0300
CPU intensive IO intensive
1: CPU intensive:
Definition: CPU intensive also refers to calculation intensive. Programs that spend most of their time doing CPU actions such as calculation logic judgment are called CPU intensive tasks. This type of task requires a lot of calculation, which mainly consumes CPU resources. Although this kind of comp ...
Added by Arez on Sun, 28 Jun 2020 09:04:04 +0300