Principle and configuration of Ansible

For image download, domain name resolution and time synchronization, please click Alibaba cloud open source mirror station Ansible principle Ansible is an open source automation platform. It is a simple automation language that can perfectly describe the IT application infrastructure in * * Ansible Playbook * *. It is also an automation engin ...

Posted by ethridgt on Sun, 06 Mar 2022 12:37:39 +0100

Python crawler notes

As a self-study note, this article is for reference only Learning course: IT of Feixue City, station B Reptiles: Use the program to obtain resources on the Internet. robots.txt protocol: specifies which data in the website cannot be crawled. It is only a protocol, but it does not prevent malicious crawling General steps of crawler: Ge ...

Posted by Mig on Sun, 06 Mar 2022 12:31:28 +0100

Python learning process problem record: Dane Xu Ming data analysis quick start (problems encountered in code compilation in 2022)

catalogue preface Question 1: Chinese display of matplotlib drawing Question 2: the X-axis time of the graph always shows 1970 1. Problem description 2. Causes of problems 3. Solutions Question 3. Difference of synthetic square wave caused by one bracket 1. Problem description 2. Causes of problems 3. Problem analysis Qu ...

Posted by Nuv on Sun, 06 Mar 2022 11:46:21 +0100

[Python tutorial] Chapter 72 reading CSV files

In this article, we introduce how to use Python's built-in CSV module to read CSV files. CSV file CSV stands for comma separated values. A CSV file is a text file that uses commas to separate data. A CSV file contains one or more rows of data, and each row of data represents a record. Each record contains one or more values separated by comm ...

Posted by dinno2 on Sun, 06 Mar 2022 11:20:23 +0100

How to use Gradient Clipping to avoid gradient explosion

Given the error function, learning rate, and even the size of the target variable, the training neural network may become unstable. Large updating of weights during training will lead to numerical overflow or underflow, which is usually called gradients exploding. Gradient explosion is more common in recurrent neural networks, such as LSTM, b ...

Posted by nikkio3000 on Sun, 06 Mar 2022 07:06:23 +0100

Python object-oriented encapsulation

A concept of encapsulation In fact, packaging is everywhere in our life, such as televisions, computers, mobile phones and other items. Usually, we can only see the external shape and use the functions provided by them, but we can't see the complex hardware composition inside. These are encapsulated and can't be seen by us. We can avoid so ...

Posted by GundamSV7 on Sun, 06 Mar 2022 06:09:38 +0100

What should Jetpack Lifecycle think? Return liver?

preface The previous articles are to lay the foundation for Jetpack. This article will officially enter the analysis of various components of Jetpack from Lifecycle. Through this article, you will learn: 1. Why Lifecycle? 2. How is Lifecycle used? 3. How does Lifecycle perceive the Lifecycle 4. Lifecycle memory leak? 5. Summary 1. Why L ...

Posted by Allan- on Sun, 06 Mar 2022 05:34:25 +0100

My python learning diary 2 (small tip in range, else statement in for, function definition and default value, and related to turtle)

python iterative non numeric sequence can be iterated by sequence index, and range and len are used together. #Using sequence index to iterate, you can use range () and len() together Array=['I','have','a','nice','hobby'] for i in range(len(Array)): print(i,Array[i]) In addition, you can also use enumerate() to implement it. Enumerate() ...

Posted by praveenp on Sun, 06 Mar 2022 01:13:33 +0100

NanoDet code line by line intensive reading and modification of Backbone

 --neozng1@hnu.edu.cn 1. Backbone As a network focusing on edge platform deployment, especially for CPU devices, NanoDet naturally chose to use a lightweight backbone network with deep separable convolution. Here we mainly introduce the default Backbone: GhostNet , this is a lightweight backbone network proposed by Huawei. For details about ...

Posted by hammerslane on Sat, 05 Mar 2022 12:41:03 +0100

Named entity recognition (NER) annotation artifact -- Label Studio easy to use

preface I've been working on NER recently. Due to the lack of annotation data, you know 😭😭 Label Studio can be used not only to label text NER tasks, but also to label text classification, image classification and other AI tasks. Official website—— https://labelstud.io/ Explore other annotation tasks by yourself. I'll only t ...

Posted by kushaljutta on Sat, 05 Mar 2022 12:00:05 +0100