Dcat Admin Is based on laravel-admin The second development of the background system construction tool, only a small amount of code can quickly build a functional high value background system. Built in rich back-end common components, out of the box, let developers bid farewell to miscellaneous HTML code, very friendly to back-end de ...
Posted by misty on Mon, 15 Jun 2020 06:27:10 +0200
It's a good idea to understand the java spi(service provider interface) mechanism before going into dubbo source code. Simply put, spi can help us load the interface implementation classes described in the specified file. Hmm... That's it? Isn't that easy, even though I'm a vegetable melon, I know it Class.forName Oops~Let's study it th ...
Posted by wrequed on Mon, 15 Jun 2020 03:44:49 +0200
Implement delayed loading
Delay loading using allocation
Using Collection to delay loading
It is to load data when it is needed, and not to load data when it is not needed. Lazy loading is also called lazy loading
Advantages: query from single table first, ...
Posted by theDog on Sun, 14 Jun 2020 11:24:43 +0200
Alibaba cloud [teacher class] Java object-oriented development 54 ~ 56: inherited definition and use
Derivation of inheritance problem
Implementation of inheritance
Inherit usage restrictions
Single inheritance: a subclass can only inherit one parent
Subclass inherits all the struct ...
Posted by Grant Holmes on Sun, 14 Jun 2020 07:00:04 +0200
Design of hairdressing shop management system
1. Problem description
Define the customer category. The attributes include: membership card number, name, gender, phone number and other information, as well as related behaviors of operating attributes.
Define employee category: attributes include: numb ...
Posted by thiscatis on Sun, 14 Jun 2020 05:22:27 +0200
CSDN Course Recommendation: "Python Data Analysis and Mining", Lecturer Liu Shunxiang, Master of Statistics, Zhejiang University of Industry and Commerce, Data Analyst, once held the post of Data Analyst in the Data Department of the Imperial ...
Posted by vdubdriver on Sun, 14 Jun 2020 02:41:52 +0200
Spring MVC is an excellent Web framework based on MVC design concept provided by Spring for presentation layer, and it is one of the most mainstream MVC frameworks at present.Spring MVC makes POJO the controller for processing requests through a set of MVC annotations without imple ...
Posted by velanzia on Sat, 13 Jun 2020 04:12:07 +0200
Words written in the front
Hero League is a MOBA game with many players all over the world. It accompanies the growth of our generation. In the game, a team of five players is divided into two camps, red and blue. The team that first pushes ...
Posted by gargoylemusic on Fri, 12 Jun 2020 10:05:18 +0200
Concurrent HashMap -- design intent
Thread safety of HashMap:
(1) Initialization is easy to cause two threads to initialize at the same time. (2) when expanding capacity, it is easy to judge the thread problem of the code in real time
(3) For the insertion of linked list and red black tree, the globa ...
Posted by blackwidow on Fri, 12 Jun 2020 07:25:03 +0200
This series of articles briefly introduces the starting process of Android system, which will not stick to the details of the source code, so as to let readers understand the general process. In addition, we need to remind you that you need to have some C/C + + foundation to read this chapte ...
Posted by dusty on Thu, 11 Jun 2020 10:19:31 +0200