AOP of Spring core
What is AOP
AOP (aspect oriented programming): aspect oriented programming is a complement to traditional object-oriented programming.
What do you mean?
For example, in the above figure, there are many identical function codes in different methods. Then we can extract these identical function codes an ...
Posted by poring on Thu, 25 Jun 2020 03:36:00 -0700
The algorithm of python Development & data structure
The algorithm of python Development & data structure (4)
data structure
1. Circular queue
2. Python queue built-in module
3. List
3.1 creating a linked list
3.2 insertion of linked list nodes
3.3 deletion of linked list nodes
4. Double linked list
4.1 insertion of double linked list nodes
4.2 ...
Posted by sm on Thu, 25 Jun 2020 02:27:58 -0700
Spring - third day of study (IOC at the core of Spring)
Spring Day 3
Introduction to AOP
What is AOP?
The Role and Advantage of AOP
Effect
advantage
Introducing learning cases - adding transaction support to the business tier
Terminology related to AOP
Joinpoint
Pointcut (entry point)
Advice (Notification/Enhancement)
Introduction (Introduction)
Targe ...
Posted by dominod on Wed, 24 Jun 2020 19:09:26 -0700
What are the mechanisms, differences and meanings of mutually exclusive access to Linux multithreaded global variables?
Write before:
Why write this article, I began to understand these three quantities very hard, gnawed for a long time "Modern Operating System", also read a lot of blogs, and finally a little experience.This article is based on that brick book and some blogs, with a personal summary and underst ...
Posted by SsirhC on Wed, 24 Jun 2020 18:49:52 -0700
Chain lists, trees, diagrams, and recursive notes in data structures
1. Structures
Structures are important in data structures, so first understand the structure-related knowledge points.
struct LNode{
int data;
char name[20];
};
//struct is the keyword that defines the structure, and LNode is the name of the structure
//For example, create an object for the previous ...
Posted by Lonepig on Wed, 24 Jun 2020 18:23:56 -0700
UVA - 12105 Bigger is Better(DP)
Portal
First, such problems, dynamic programming of a number, are generally diverted from other residuals
Then this topic uses a more important nature of large number redundancy, that is, large numbers can be manipulated one by one to achieve the purpose of redundancy, which can be referred to Here
M ...
Posted by tomasd on Wed, 24 Jun 2020 18:21:14 -0700
10 Minutes Quick Start Shiro Beginners Tutorial
Current User
Now we can start doing something that we really care about - performing security operations.
When protecting our applications, the most relevant questions we may ask ourselves are "Who is the current user" or "Is the current user allowed to do XXX?"
When we write code or design user interfaces, it is common to a ...
Posted by dkode on Tue, 23 Jun 2020 19:00:54 -0700
To learn Python well, you must understand 35 key words in Python
Every programming language has some special words called keywords. The basic requirement to treat keywords is to avoid repetition when naming them. This article introduces the keywords in Python. Keywords are not built-in functions or built-in object types. Although it's better not to rename them, you can also use names that are the same as bui ...
Posted by jockey_jockey on Tue, 23 Jun 2020 01:05:56 -0700
Java basic knowledge: object oriented
object-oriented
1. Definition of object-oriented
Creating objects can be things or things. In the program, objects are used to map things in reality, and objects are used to describe the relationship between them.2, Features of object-orientedEncapsulation
Encapsulation is the core idea of object-ori ...
Posted by tomlei on Mon, 22 Jun 2020 23:39:31 -0700
Python core
Python orchestration
Basics
Co programming is a way to realize concurrent programming
example
Simple reptiles
import time
def crawl_page(url):
print('crawling {}'.format(url))
sleep_time = int(url.split('_')[-1])
time.sleep(sleep_time)
print('OK {}'.format(url))
def main(urls):
...
Posted by jerastraub on Mon, 22 Jun 2020 22:14:24 -0700