Programmer Group

What is a Linq expression? What is a Lambda expression? I used this for a while ago, but I didn't find a relatively simple and clear method on the Internet. Today, I sorted out the relevant knowledge and studied it carefully when I was free public Program() { List<Student> allStudent = new List<Student> { new St ...

Fast padding of Nd array In batch training of deep learning, it is often encountered that the length of input samples is not the same, such as time series, or the dimension of each sample in ffm is not the same. There are three solutions I know. The first one is to truncate the sample, the second one is to sample up or ...

I. Preface The above two series of articles on identity server 4 are shared. The core topics are mainly password authorization mode and user-defined authorization mode, but only the use of these two modes is shared. This article will further share the authorization process and refreshtoken of identity server 4. List of articles in the series ...

brief introduction Creating threads is the most basic operation in multithreaded programming 1. Inherit Thread class and override run() method public class CreatingThread01 extends Thread { @Override public void run() { System.out.println(getName() + " is running"); } public static void main(String[] args) { new ...

I have a friend (this friend is not me). There is a small library in my friend's unit. There are many books in the library. Although each book is numbered in the corresponding area, after all, there is no library management system, so it will take some time to find it. In order to make it easier for you to find these books, my friend contacted ...

Why Steam is needed Steam in Java 8 is an enhancement of collection object function. It focuses on a variety of very convenient and efficient aggregate operations or bulk data operations for collection objects With the help of the same new Lambda expression, the Steam API greatly improves programmin ...

Functional interface Functional interface 1.1 overview If there is only one method in an interface, and the default attribute of the method is public abstract method, the interface can be called a functional interface. 1.2 use @ functional interface Be similar to @Override Turn on code rewrite forma ...

Catalog 0.1 pilot conditions: 0.2 foreword: matplotlib font installation 1. Figure: 1.1 basic demonstration: 1.2 multiple canvases: 1.3 multiple subgraphs of a canvas: 1.3.1 basic method: 1.3.2 advanced method: 1.3.2.1 method 1: 1.3.2.2 method 2: 2 axis / subgraph (axes): 2.1 basic demonstra ...

Chapter 1 functional interface 1.1 the concept of functional interface & the definition of functional interface In Java, functional interface refers to an interface with only one abstract method. Syntax sugar refers to the code syntax which is more convenient to use but the principle is unch ...

Write at the beginning: Finally I copied the svm job of the big guys again. It's up to me to copy it. I'll attach a link to the big guys who talked better to me in the response location. Thank them. Recently, facing the pressure of finding an internship, this employment is still very high, what can I d ...