LeetCode297.Serialization and Deserialization of Binary Trees
LeetCode297.Serialization and Deserialization of Binary Trees
Title Description
Solving problems
source code
LC format
Title Description
Serialization is the operation of converting a data structure or object into consecutive bits, so that the converted data can be stored in a file or in memory, ...
Posted on Tue, 16 Jun 2020 12:59:47 -0400 by massimoGornatti
EmguCv learning_ Camera, video reading_ write in
Camera, video reading_ write in
Open video
VideoCapture class
The new VideoCapture class in opencv2.x and above provides an interface to capture video from a camera or video file
Four constructor methods of VideoCapture class
public VideoCapture();
public VideoCapture(CaptureType capture Type);
...
Posted on Tue, 16 Jun 2020 00:44:02 -0400 by sharugan
Installing kubernetes from kubeadm
This article mainly explains the installation of kubentes under centos7
1 stand alone installation
1.1 installation via minikub (official minikub)
This section mainly introduces the installation of a local stand-alone kubenetes through minikube tool
1.1.1 minikube installation
If you need to install it in a virtual machine, you need to first in ...
Posted on Tue, 16 Jun 2020 00:31:57 -0400 by batman99
An article on filebeat (ELK)
The filebeat used in this article is version 7.7.0This paper illustrates from the following points:
What is filebeat and what can it be used for
What is the principle of filebeat and how it is constructed
How should filebeat play
1. What is filebeat
1.1, filebeat and beats
First filebeat is a member of Beats.Beats is a lightweight l ...
Posted on Mon, 15 Jun 2020 22:05:28 -0400 by intellivision
Deep learning: starting from the deeper network
This paper is part of the reading notes of "getting started with deep learning based on Python theory and implementation"
Code and picture refer to this book
catalog
Add deep motivation
Reduce the number of network parameters
Make learning more efficient
High speed of deep learning
High s ...
Posted on Mon, 15 Jun 2020 03:28:05 -0400 by Brandito520
Let the world no longer have difficult to understand multi-threaded!
Article Directory
1. Introduction to Threads
1. Common method calls and multithreading
2. Programs, Processes and Threads
3. Summary
2. How to Create Threads
1. Inherit Thread Class
(1) Steps
(2) Implement multi-threaded synchronous download of pictures
2. Implement Runnable Interface
(1) Steps ...
Posted on Sun, 14 Jun 2020 21:16:15 -0400 by gidiag
Kafka Quick Start-RdKafka Source Analysis
Kafka Quick Start (11) - RdKafka Source Analysis
1. RdKafka C Source Code Analysis
1. Kafka OP Queue
RdKafka encapsulates Kafka Broke's interactions and internally implemented operations into an Operator structure and then puts them into the OP processing queue for unified processing.The Kafka OP queue is the pipeline for inter-thread communic ...
Posted on Sun, 14 Jun 2020 20:23:45 -0400 by MrRosary
Drawing summary of python matplotlib and networkx
1, matplotlib
Matplotlib is the most widely used 2D graphic drawing library in Python. Learning the usage of Matplotlib well can help us show the state of various data more flexibly in statistical analysis. It can be used together with NumPy.
1. How to create
import matplotlib.pyplot as plt
import ...
Posted on Sun, 14 Jun 2020 02:22:51 -0400 by faraco
MFS -- detailed explanation and deployment of MFS
mfs explanation and deployment
1, MFS details
Distributed principle:
MFS principle:
Composition of MFS file system
MFS read data processing:
MFS write data processing:
The process of deleting files in MFS
MFS process of modifying file content
MFS renaming process
The process of MFS traversing files
...
Posted on Sun, 14 Jun 2020 02:16:37 -0400 by xkaix
Docker sets up DNS server in 1 minute
Here we use the docker version docker-dnsmasq corresponding to dnsmasq.
Guide to Use
Download Mirror
docker pull docker-dnsmasq
Create the simplest configuration /opt/dnsmasq.conf
#dnsmasq config, for a complete example, see:
# http://oss.segetech.com/intra/srv/dnsmasq.conf
#dns parsing log
log-queries
#Define Host to IP Mapping
address=/h0/1 ...
Posted on Sat, 13 Jun 2020 12:52:38 -0400 by sujithnair