[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