Date and Collection Framework

1. Date operation in java 1970-1-1 0:0:0 Msec java.util.Date encapsulates a long-type millisecond // Current system time Date date = new Date(); System.out.println(date); //Gets the number ...

Posted on Fri, 16 Aug 2019 05:52:13 -0700 by andrewcb

Writing 2048 Games in C Language

2048_C_code 2048 Written in C Language 1 To achieve our 2048 mini-games, we need to involve some knowledge of data structure, as well as some Linux system calls. In addition, in order to facilitate the use of character drawing on the screen, we als ...

Posted on Fri, 16 Aug 2019 05:33:05 -0700 by taquitosensei

Learn about key exchange algorithm ECDH

Links to the original text: https://www.jianshu.com/p/b26cd2bfdc28 Move on to other people's explanations: Let's take Alice and Bob as examples to describe the principle of Diffie-Hellman key exchange. 1. All participants involved in t ...

Posted on Fri, 16 Aug 2019 04:16:16 -0700 by madkris

Installing gcc 4.9.3 process on REHL 6.7

Background: Because the company servers are using REHL6.7, the environment is offline, and for production environment, trying to install infomap on them is not the right version of gcc, and can not move the GCC version of production environment. We ...

Posted on Fri, 16 Aug 2019 03:11:37 -0700 by sennetta

The Inside of c++ Polymorphism

c + + polymorphism is the use of a secondary pointer (pointer array), each element in the array is pointed to, with virtual modified member functions. Now that pointers are mentioned, let's prove them with memory addresses. To prove this, we have to get the first address of the member function. Get the address of the member function by using th ...

Posted on Fri, 16 Aug 2019 02:42:09 -0700 by infyportalgroup

Data x Data Synchronization: A Simple Practice of Mysql 2 Mysql (Local windows) (Containing Several Solutions to Compile Errors)

This paper uses datax in windows environment and refers to it in Linux environment. Development tools and environmental parameters: Windows environment: IDEA, JDK 1.8, Maven 3.6.0, Python 2.7.16 Linux environment: MySQL 5.7.25 (deployed on tw ...

Posted on Fri, 16 Aug 2019 02:37:50 -0700 by shivangp

Improving classification performance with AdaBoost meta-algorithm (ensemble method)

When we make a decision, we may take into account the opinions of many individuals. One person's opinions may not be reliable. Meta-algorithm (integration method) is a way to combine other algorithms. AdaBoost is a meta-algorithm. The main co ...

Posted on Fri, 16 Aug 2019 02:19:19 -0700 by djumaka

Binary Tree

Articles Catalogue Binary Tree 1. Binary Tree Search Tree and Bidirectional Link List (offer 36) 2. Serialized binary tree (offer 37) Binary Tree 1. Binary Tree Search Tree and Bidirectional Link List (offer 36) Topic Description Enter a ...

Posted on Fri, 16 Aug 2019 01:49:08 -0700 by richie

Introduction of Nodejs Core Module

github article link: https://github.com/Vibing/blo... Learning nodejs requires mastering its core, just as learning JavaScript requires mastering functions, objects, data types, BOM, DOM, etc. Noejs has many cores. Here we introduce several cores: Events module, fs module, stream usage, http module. Events Events-driven, non-blocking, asynchron ...

Posted on Fri, 16 Aug 2019 01:12:25 -0700 by BLINDGUY

Object-Oriented Operator Overloading of Python Full Stack Road Series

The concept of operator overloading is as follows: Operator overloading allows classes to intercept regular Python operations; Class can overload all Python expression operators. Classes can also overload built-in operations such as printing, functi ...

Posted on Fri, 16 Aug 2019 00:23:08 -0700 by jesserules