Spring 5.0 Chinese Version - 3.9
3.9 Annotation-based container configuration
Is annotation better than XML in configuring Spring?
The introduction of annotation-based configuration raises the question of whether this approach is better than XML-based configuration. The short answer depends on the situation. The longer answer is that each approach has its advanta ...
Posted by geek_girl_2020 on Wed, 15 May 2019 16:12:27 -0700
MySQL 8.0 Installation and Configuration Tutorial under macOS
I. Preface
1. The main contents of this course
apply Homebrew Install MySQL
MySQL 8.0 Foundation for Configuration
MySQL shell management common grammar examples (users, permissions, etc.)
MySQL character encoding configuration
MySQL Remote Access Configuration
2. Environmental Information and Scope of Application of this Course
enviro ...
Posted by Sneo on Wed, 15 May 2019 05:05:26 -0700
Openresty reverse proxy returns non-200 for retry to custom upstream
By using error_page instruction, the status codes of 404, 302 etc. returned by the reverse proxy are processed twice for sub-requests.
Client - [1] - > nginx proxy < - [2] - > Site A (return 404, 302)
|[3]
V
Site B (return 200)
For example, as a CDN service, ...
Posted by guido88 on Tue, 14 May 2019 18:33:26 -0700
Machine Learning-An Improved Matching Algorithms for Dating Websites Based on KNN Classification
1 Project Introduction
An APP user has been using online dating software to find a suitable date. Although dating websites recommend different people, she doesn't like everyone. After summing up, she found that she had met three types of people:
People who don't like it (3)
Charming People (2)
Charming People (1)
An APP user hopes that the cl ...
Posted by marcs910 on Tue, 14 May 2019 17:43:10 -0700
grpc implements a more complex chat room
background
Connect with above
https://my.oschina.net/tuxpy/blog/1631953
Previously, a two-way flow was implemented through grpc. All stream s exist in a sync.Map. If the pressure of chat room is high at this time, how to expand? To put it simply, how to do load balancing. Prior to https://segmentfault.com/a/1190000008672912 Having seen an artic ...
Posted by EmperorDoom on Tue, 14 May 2019 16:21:58 -0700
Summary of Alert Dialog
In the development of APP, we often need to set up a pop-up box by clicking on a button. In this pop-up box, we do some selection and screening functions. This is Alert Dialog in Android. Here, let's talk about how to use the AlertDialog class that comes with the system.
The first is the simplest use, as follows:
A ...
Posted by richtom80 on Tue, 14 May 2019 14:11:55 -0700
Modify the encoding configuration file in MySQL and distinguish `utf8'from `utf8mb4'.
Modifying Coding Profile in MySQL
Be careful:
Python runtime environment is Python 3.5.2
The operating system is Linux Ubuntu 16.04
MySQL version is 5.7.23
Install MySQL Service
Under Linux, you can install it directly with the command line sudo apt-get install mysql-server of Linux. During the installat ...
Posted by doa24uk on Tue, 14 May 2019 13:14:51 -0700
Python Road [Part 5]: File Processing Based on Python
Reading catalogue
I. File Operation
1, introduction
Computer system is divided into three parts: computer hardware, operating system and application program.
Applications written in python or other languages that want to save data permanently must be stored in the hard disk, which involves the application to operate hardware. As we all know ...
Posted by cbrknight on Tue, 14 May 2019 12:58:36 -0700
NO.5: The Way to Learn python by Yourself - Standard Library, Regular Expressions
Introduction
How time flies! At last, I have finished my CET-6, and I have to catch up with my progress in Python study. Okay, start the week.
text
Modular
The essence of module is the file at the end of'.py'. It can be used to organize Python code logically. It can be variables, functions, classes or logic, mainly to achieve a function. If the ...
Posted by gitosh on Tue, 14 May 2019 08:32:42 -0700
Android Development Artifact: OkHttp Framework Source Parsing
Preface
HTTP is our modern application network for exchanging data and media streams. Effective use of HTTP can save bandwidth and load data faster. Square's open source OkHttp network request is an efficient HTTP client. Previous knowledge is limited to the use of framework API. After touching the actual work, I know my lack of knowledge. So ...
Posted by ladokha on Tue, 14 May 2019 05:32:54 -0700