When we use Redis as cache, one of the problems we need to consider is cache penetration. There are many types of cache penetration, and different types have different solutions. As one of the solutions, the bloon filter is used. The bloom filter is mainly used to determine whether an element is contai ...
Posted on Sat, 27 Jun 2020 02:42:46 -0400 by methodlessman
C language uses suffix expression to parse string
Thank you ...
Posted on Mon, 15 Jun 2020 02:44:10 -0400 by john_zakaria
1.spring cache parsing
1.1.RedisCache and RedisCache Manager
RedisCache uses the RedisCacheWriter interface for reading and writing redis;
Differences between RedisCacheWriter and Cache interfaces:
All methods need to specify a name, which ...
Posted on Thu, 11 Jun 2020 21:08:01 -0400 by mebar3
What is design pattern
Why learn design patterns
Where design patterns come from
Principles of design pattern
Object oriented design principles
Principle of single responsibility
Principle of opening and closing
Richter's principle of substitution
Dependence Inversion Principle
Posted on Thu, 04 Jun 2020 09:37:54 -0400 by Joseph Sliker
Reading this article requires the foundation of Android attribute animation in the previous article, so that you can understand what to say next.
1. Understanding and use
PropertyValuesHolder is a method similar to ObjectAnimation, but with one target missing, it is the control to be executed. Look at the normal usage: a ...
Posted on Thu, 07 May 2020 05:47:51 -0400 by Dan06
String is a constant,String is also called constant string
//All operations on strings return a new string (that is, the original string cannot be changed)
// String exists in constant pool
// The string itself does not change, but the reference address changes, which is equivalent t ...
Posted on Sat, 02 May 2020 10:39:15 -0400 by Charles Wong
Biological neuron and artificial neuron
Before we understand the neural network, let's take a brief look at what biological neurons look like. The following figure is excerpted from Wikipedia:
(because I'm not an expert, the explanation here is only used to understand where the artificial neuron simulates the biological neuron, which may not ...
Posted on Fri, 24 Apr 2020 01:09:40 -0400 by hackerkts
The problem with anonymous classes is that if the implementation of an anonymous class is very simple, such as an interface with only one method, the syntax of an anonymous class may look clunky and unclear. In these cases, you usually pass an anonymous inner class object as a parameter to a method, such as what to do when som ...
Posted on Tue, 14 Apr 2020 08:00:09 -0400 by kamy99
Because I love it.
Content reference from ARCHi's blog
1, Object oriented creation GUI
1. Create a graphical interface according to the following format
# The above can be inherited from QWidget and QMainWindow, indicating that they are controls or main windows respectively
Posted on Fri, 03 Apr 2020 16:16:51 -0400 by kwilameiya
Name: Gong Zheng
Experiment time: March 25, 2020
Purpose and requirements of the experiment
1. Simple description of the problem: simple description of the project
2 experiment code: it needs to use MARKDOWN to insert code.
3 problem analysis: (focus on ...
Posted on Tue, 24 Mar 2020 09:18:30 -0400 by shivers