Common encryption methods in java
First, import the jar package, commons-codec.jar. You can use maven or go to the maven official website to download the jar
https://mvnrepository.com/artifact/commons-codec/commons-codec/1.12
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version ...
Posted by candy2126 on Tue, 19 Nov 2019 09:54:28 -0800
Extracting Chinese information from Chinese PDF file by python3 operation
https://github.com/pdfminer/pdfminer.six
Extract files after downloading
Due to the processing of Chinese files, precompiling is required
To work with the CJK language, do the following before running setup.py install:
mkdir pdfminer\cmap
python tools\conv_cmap.py -c B5=cp950 -c UniCNS-UTF8=utf-8 pdfminer\cmap Adobe- ...
Posted by smoked1 on Sun, 17 Nov 2019 12:57:28 -0800
shutil module - advanced file, folder, compressed package processing module
shutil.copyfileobj(fsrc, fdst[, length]) copies the contents of the file to another file, and the length is the size of each copy
guessage.py Chinese content
"""
//Age guessing game:
//Users are allowed to guess three times at most. After three guesses, they will continue to play. If you enter Y, you can continue to guess three times. Otherw ...
Posted by sasi on Sat, 16 Nov 2019 13:11:27 -0800
WebRTC connection process introduction
Summary
Because we are working on WebRTC related projects recently, in order to have a deeper understanding of WebRTC connection and transmission, we should write an article to introduce it. From the beginning Official documents of WebRTC Start with, and of course, the inside samples . Because the communication process has not been involved, w ...
Posted by Rother2005 on Wed, 30 Oct 2019 02:05:51 -0700
Several common encryption algorithms
Article directory
I. encoding format (this is not encryption in principle, but it is quite common)
2. Message digest algorithm
3. Symmetric encryption
IV. asymmetric encryption
Online encryption test tool
Refer to related articles
All the following codes are based on jdk8
All Apache based implemen ...
Posted by robviperx on Sat, 26 Oct 2019 02:56:32 -0700
Making notes on the simple video player for the summer primary school class of senior Xuelei
Because the direction of the paper is divided (yes, it is divided, not chosen by oneself, there are many reasons. Postgraduate students, at the very beginning, in December, the reply was done in content development. Although it was very hopeless, it still needs to be done a little bit. The direction of ...
Posted by Cinds on Wed, 23 Oct 2019 09:45:03 -0700
Verification Code Picture Generation and Solution to the Problem of Unable to Display
IntelliJ IDEA implements verification code related module for web page generation:
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException; ...
Posted by lanjoky on Tue, 08 Oct 2019 23:00:22 -0700
Python - Send mail
SMTP Send Mail
Send mail
import smtplib
from email.mime.text import MIMEText
from email.header import Header
# Configuring Mailbox Server
smtpserver = "smtp.163.com"
# User/password
user = "admin@163.com"
password = "123456"
# Sender mailbox
sender = "admin@163.com"
# Receiver mailbox
receiver = ...
Posted by ESCForums.com on Sat, 05 Oct 2019 03:39:22 -0700
Python -- Processing json with Chinese
First of all, the blog mainly introduces the background of writing this blog.
1, the main Chinese field that Bo deals with is this style:
01 hanging air conditioner
02 ordinary chair
02 ordinary curtain
03 desk - computer desk - office desk
04 Microwave oven-oven-dishwasher-sterilizer
05 Elect ...
Posted by misseether on Fri, 04 Oct 2019 23:15:31 -0700
Packaging and Encoding of Common Image Formats in [Image_Codec] - Android Platform JPG
Article directory
JPG Picture Format
Compression modes and steps
JPG file structure
libjpeg Encoding and Decoding Jpeg Pictures
JPG Picture Format
JPG (Joint Photographic Experts Group) is a commonly used lossy compressed image format. The c ...
Posted by lcoscare on Mon, 16 Sep 2019 22:46:22 -0700