[Java] basic knowledge for a java programmer

Article catalog Java Basics data type Basic types Packing type Cache pool String (string) overview Immutability of String: String, StringBuffer and StringBuilder String Pool operation Parameter passing keyword final static Methods in Object overview equals() hashCode() toString() clone() Thr ...

Posted on Fri, 26 Jun 2020 01:10:57 -0400 by steveonly20

Fast-rcnn-tensorflow-python version 2.7-smallcorgi training own dataset practice notes

Fast-rcnn-tensorflow-python version 2.7-smallcorgi training own dataset actual combat notes (2) reference material https://github.com/DexterInd/GoPiGo/issues/210 https://stackoverflow.com/questions/14219092/bash-script-and-bin-bashm-bad-interpreter-no-such-file-or-directory xuforeverloveCSDN blo ...

Posted on Fri, 26 Jun 2020 00:10:24 -0400 by silentmajority3

[Baidu AI intensive learning series] IV. solving RL based on strategy gradient (Solving Pong with PG)

catalog Policy Gradient Formula derivation Expected return Optimization objective and strategy gradient Project exercise (PG solving Pong) practical combat requirement network structure Teacher solutions Github Policy Gradient In reinforcement learning, there are two kinds of methods, one ...

Posted on Thu, 25 Jun 2020 23:42:04 -0400 by laeelin

Linux system running analysis tool - Summary of the use of the sarcommand

catalog   sar introduction sar usage sar installation and startup sar usage 1. Historical statistics 2. Statistics of CPU usage Sar-u 23 ා statistics every 2 seconds three times in total sar -q ා view average load 3. Check memory usage 4. View system Swap partition information 5. View I/O ...

Posted on Thu, 25 Jun 2020 23:21:20 -0400 by waq2062

Simulation of alarm mode control for Proteus sensor + gas concentration detection

catalog Simulation of alarm mode control for Proteus sensor + gas concentration detection 1 understanding of experimental significance 2 main experimental devices 3 experimental reference circuit 4. Problems in the experiment 4.1 fans for turning 4.2 control part 5 experiment refer ...

Posted on Thu, 25 Jun 2020 21:57:40 -0400 by DJ_CARO

Infix expression to suffix expression (Java)

Infix expression to suffix expression (Java) Blog description The information involved in this article comes from Internet collation and personal summary, which means personal learning and experience summary. If there is any infringement, please contact me to delete, thank you! step Two stacks are initialized: operator stack s1 and stack s2 ...

Posted on Thu, 25 Jun 2020 05:14:41 -0400 by jayjay960

java network programming foundation

Network programming 1. Purpose of network programming Share resources Realize data transmission and download 1.1 software architecture Network communication is based on software structure: C/S structure and B/S structure The full name of C/S architecture is Client /Server architecture, that is ...

Posted on Thu, 25 Jun 2020 02:49:03 -0400 by RussW

Linux system security management

Article catalog 1, Account security control 1.1: basic measures for account security 1.1.1: system account cleaning 1.1.2: password security control 1.1.3: command history, automatic logout 1.2 user switching and rights raising 1.2.1: su command - switch user 1.3: PAM security authentication in Li ...

Posted on Wed, 24 Jun 2020 23:16:52 -0400 by gsaldutti

Java Scoket for two-way communication (code details)

Hello, my name is Chenle. I'm glad you can read it. This article summarizes the knowledge of Java Scoket class, and organizes the code related to two-way communication. There are also cases to achieve screenshots, share new knowledge and make progress together. JAVA Basic Interview Questions: JAVA Interview Basic Quiz Collection JAV ...

Posted on Wed, 24 Jun 2020 21:53:24 -0400 by arnoldd99

Tensorflow 2.0 Classification of Medical Images (Image Diagnosis of X-ray Chest Pneumonia)

1. Datasets The dataset is a kaggle chest radiograph dataset, divided into three folders (training, testing, validation) and contains subfolders for each image category (pneumonia/normal).There are 5,863 X-ray images (in JPEG format).All chest X-ray images of the dataset were obtained from patients ag ...

Posted on Wed, 24 Jun 2020 21:33:32 -0400 by Journey44