1, Code example analysis
2, ChannelHandlerContext double linked list type
3, Analysis of bidirectional linked list in Pipeline / ChannelPipeline
4, Data inbound and outbound
Next blog [Netty] Netty core component (Pipeline | ChannelPipeline) Content, in debug debugging, detailed an ...
Posted on Sun, 07 Jun 2020 01:58:43 -0700 by hank__22
Login status: if Google auth is null/""/0: do not verify 1: enable dual factor authentication but not set 2: enable dual factor authentication and it has been set
After the user logs in, first verify whether the account password is correct. Here, it is not verified by shiro, and it is verified by the background itself.
After the ver ...
Posted on Mon, 11 May 2020 07:17:53 -0700 by chipmunken
sentinel is not only used by service providers and consumers, but also by gateways to limit current. We are based on the last integrated gateway (see spring cloud alibaba nacos+gateway gateway instance of version 0.9.0.RELEASE )Let's see how. Just move two axes:
1. pom introduces sentinel adapter:
Posted on Wed, 22 Apr 2020 09:09:38 -0700 by MagicMikey
Camera=> FFmpeg => Nginx Server=> Browser
Pull rtsp stream from camera
Transcoding rtmp flow to push server write
Play with html5
1. Development process
1.1 Video capture and transcoding via FFmpeg
FFmpeg is a general solution in the field of audio and video processing.Although we can use other tools such ...
Posted on Fri, 17 Apr 2020 09:37:30 -0700 by mentorbassment
The TronTool.Java development package is suitable for rapidly increasing the support ability of Tron/USDT-TRC20 digital assets for Java applications, that is, it supports the application scenarios using its own Tron blockchain nodes, and also supports the lightweight deployment scenarios based on the official public API services of Tron. Offici ...
Posted on Sun, 12 Apr 2020 22:58:11 -0700 by intellivision
Analysis version 2.83
First look at the following code
public static synchronized boolean refValid()
validated = true;
String key = MybatisSetting.getInstance().getKey(); //KEY
String result = MybatisSetting.getInstance().getResult(); //RESULT
if ((StringUtils.isBl ...
Posted on Mon, 30 Mar 2020 09:39:52 -0700 by manx
Audio and video series 4: how to get started with ffmpeg for beginners (taking FLV decoding H.264 as an example)
Run demo directly
Tutorial of ffmpeg Library
Learning of professional knowledge
Look at the source code of ffmpeg
Give an example
Find API documenta ...
Posted on Mon, 16 Mar 2020 23:17:02 -0700 by danrah
RSA Encryption Principle
Find prime numbers
Calculate Common Modulus
N = P * Q
φ(N) = (P-1)(Q-1)
Compute Public Key E
1 < E < φ(N)
E must be an integer, E and phi(N) must be reciprocal prime numbers
Compute Private Key D
E * D % φ(N) = 1
Posted on Sat, 14 Mar 2020 09:16:44 -0700 by simmsy
Principle of intra prediction algorithm
General introduction based on the paper
Division of luminance block and chroma block
4 × 4 brightness prediction module
How to generate prediction pixels and residual pixels?
Vertical mode ` intra4x4`
Horizontal mode ` in ...
Posted on Fri, 13 Mar 2020 04:15:02 -0700 by Rayn
1. Topic source
2. Title Description
3. Topic analysis
Method 1: sequence traversal + iterative solution
Bad solution 1
Bad solution 2
Method 2: first order traversal + recursive solution
1. Topic source
Links: Serialized binary tree
Source: LeetCode - sp ...
Posted on Tue, 03 Mar 2020 02:58:08 -0800 by zevious