Project address: https://github.com/wannengdek/spring-boot-seckill
If the project is helpful to you, please help light up the small one.
To achieve the spike request, can resist the live high concurrent spike website.
How to solve it?
Page caching, URL ca ...
Posted on Sat, 05 Oct 2019 17:57:20 -0700 by arion279
Recent projects need to use Android front-end upload server, the first file upload server, checked various information, stepped on various pits, record the final implementation.
** I. Server side**
The server side uses ssh framework and file implementation logic:
1. Get files uploaded by users
2. Save files to folders
Posted on Sat, 05 Oct 2019 11:19:26 -0700 by ArneR
It encapsulates a read-write separated Starter, which can configure any number of data sources and use Hikari connection pool (other connection pools are not supported for the time being).
The code has been uploaded to the Maven Central Warehouse and can be used directly:
Posted on Sat, 05 Oct 2019 08:20:25 -0700 by simonp
Introduction to Index
Index, also known as "key" in mysql, is a data structure used by storage engines to quickly find records. Indexing is critical to good performance, especially when the amount of data in tables is increasing, the impact of indexing on performance becomes more and more important.
Index optimiza ...
Posted on Sat, 05 Oct 2019 03:17:31 -0700 by proctk
1. First of all, I opened the hidden file according to the Internet, or I could not find my.ini.
2, if method 1 finds... No need to look at 2. Accept reality if you don't find it. You need to create my.ini yourself and reconfigure it.
(1) The administrator runs cmd on the premise that the mysql environm ...
Posted on Sat, 05 Oct 2019 03:14:06 -0700 by Alidad
Database modification & data backup
- database modification & data backup
Note: After the execution of the deleted modified data SQL statement, it will not enter the data writing immediately.
- You also need to submit data manually and roll back if there is a problem with the data.
Primary key ...
Posted on Sat, 05 Oct 2019 02:56:03 -0700 by netpants
Python implements ATM
Realization of ATM ATM System by Python
[csdn blog portal] (https://blog.csdn.net/zhanghao 3389)
[github blog portal] (https://mrzhang3389.github.io/)
Boring wrote a ATM ATM system, there is a small bug does not affect the use of
Knowledge required for this chapter:
1. Simple SQL statements (build database, build tables, a ...
Posted on Sat, 05 Oct 2019 00:28:56 -0700 by bwochinski
In order to ensure that the data in the initial drawing database can correctly reflect the real situation, some constraints on entity integrity of the data will be made in the table.
For example, a student information must contain a student number (indispensable)
Name 123 Type Limite ...
Posted on Fri, 04 Oct 2019 21:58:10 -0700 by shadow-x
Redis knows nothing but knows a little.
Redis is an open source, support network, memory based and optional persistence key value pair storage database written by ANSI C.
Simply put, Redis is a high-performance NOS QL database
What is NoSQL?
The MySQL database we learned before is a typical SQL database, that is, the traditional relational dat ...
Posted on Fri, 04 Oct 2019 13:17:19 -0700 by jroodman
Links to the original text: https://gameinstitute.qq.com/community/detail/127380
Unity's resource management model is divided into two types:
1. Manage in the editor, load and unload resources using asset database
2. Runtime management ...
Posted on Fri, 04 Oct 2019 12:08:42 -0700 by double-f