Category：September, 2023 - Develop Pile
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Nginx implements port forwarding
Nginx implements port forwarding First we need to find theServer deploymentof the nginx configuration file nginx.conf: Find the following snippet to implement the configurationport forwarding # nginx proxy forwarding server { listen 80; server_name x.x.x.x; location / { proxy_set_header Host $host; proxy_pass http 8080; # When you access port 80 you can implement forwarding to […]
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Introduction to LDA Topic Modeling and Python Implementation
I. Introduction to the LDA Theme Model The LDA topic model is mainly used to infer the topic distribution of documents, which can give the topic of each document in the document set in the form of a probability distribution according to the topic for topic clustering or text classification. The LDA topic model does […]
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Anchor based and Anchor free
Difference between anchor-free and anchor-based Anchor-free and anchor-based are two different target detection methods, the difference being whether or not a predefined anchor box is used to match a real target box. Anchor-based methods use anchor boxes of different sizes and shapes to regress and categorize targets, such as faster rcnn, retinanet, and yolo, etc. […]
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Example of constructing a neural network
Article Catalog neural network1. Import of relevant libraries2. Defining a layer3. Construction of data sets4. Defining the basic model5. Variable initialization6. Commencement of training P.S. Series of articles neural network A neural network is a bionic machine learning algorithm inspired by the nervous system of the human brain. It consists of multiple neurons (or nodes) […]
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Logistic regression done with TensorFlow
Article Catalog Logistic regression done with TensorFlow1. Environmental settings2. Data reading3. Prepare the placeholder4. Prepare parameters/weights5. Compute the loss function of multiclassified softmax6. Prepare the optimizer7. Perform the operations defined in the graph in the session. P.S. Series of articles Logistic regression done with TensorFlow TensorFlow is an open source machine learning framework developed by […]
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postgresql kernel source code analysis btree indexes add, delete and check the code basic principles of flow analysis, the reason for the index expansion is here!
B-Tree index code flow analysis Column content： postgresql kernel source code analysisHandwritten database toadbconcurrent programming open source contribution： toadb open source library Personal homepage：My Home Page Managing the community：Open source databases Motto: “The sky is healthy, the gentleman is self-improvement; the earth is Kun, the gentleman is virtuous. summarize The most commonly used index in […]
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[Intranet Penetration] Build My World Java Edition Server, Public Network Remote Online
catalogs preamble 1. Build my world server 1.1 Server installation java environment 1.2 Configuring the server 2. Testing of local area network (LAN) connectivity 3. Remote access to the public network 3.1 Installing cpolar Intranet Penetration 3.1.1 windows 3.1.2 linux systems (support for one-click auto-installation scripts) 3.2 Creating a Tunnel to Map an Intranet Port […]
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postman-use Postman’s simulation service to simulate (mock) back-end data, complete the front-end simulation API calls
Recently, the project is busy, the task more time is tight, resulting in a lot of back-end development tasks, can not be developed in a timely manner, but the front-end students have completed the development of the corresponding function, the need for front and back-end intermodulation to verify the API and some interactive issues; this […]
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Installation tutorial for ubuntu 18.04.6
catalogs I. Download and install virtualbox Installation of virtualbox version 7.0.8 Download and Installation of Ubuntu ubuntu 18.04.6 operating system downloading mounting I. Download and install virtualbox VirtualBox is the powerful x86 and AMD64/Intel64virtualizationProducts for business and home use.VirtualBox is not only an extremely feature-rich, high-performance product for business customers, it is also the only […]
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[Linux] The Mystery of Processes
Article Catalog 1. What is the process?1.1 Write your own process 2. How does the operating system manage processes?2.1 Describing the Process-PCB2.2 Organizational processes2.3 Deeper understanding of the process 3. Processes in the Linux environment3.1 task_struct3.2 Task_struct content categorization3.3 Organizational processes3.4 Viewing Process Properties 4. Concluding remarks 1. What is the process? In the previous […]