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Python because of the simplicity of the language, let's write code in the way of human thinking, it's easier for the novice to start, and the old bird can't let go. To write python (elegant, authentic and neat) code, and to observe the big bull code more often, there are many excellent source codes on Github that are worth reading, such as req ...

There is a general sky Gang number, which changes in thirty-six ways; there is a general evil number, which changes in seventy-two ways -- "journey to the west" Compact.js Lodash second api_.compact(array) It means to delete all the values in the array that can be converted to false through Boolean values, such as null, false, '', 0 ...

Address: https://github.com/danfengfirst/Camera Demo Description: 1. Demo contains a custom rectangular View. Generally, a picture can be placed in this rectangle. Because of the special requirement of aspect ratio, we hope to keep the same aspect ratio in different screens, so we have customized it here. The custom part can be replaced by ...

My LeetCode: https://leetcode-cn.com/u/ituring/ My LeetCode source code [GitHub]: https://github.com/izhoujie/Algorithmcii LeetCode 200. Number of islands subject Give you a two-dimensional grid consisting of '1' (land) and '0' (water). Please calculate the number of islands in the grid. Islands are always surrounded by water, and each island ...

My LeetCode: https://leetcode-cn.com/u/ituring/ My LeetCode source code [GitHub]: https://github.com/izhoujie/Algorithmcii LeetCode 466. Count the number of duplicates subject The string s is composed of N connected strings S, which is recorded as S = [s,n]. For example, ["abc",3] = "ABC ABC". If we can remove some charact ...

1, Series 4 3. If null and undefined do not have toString() method, the call will report an error var num1 = undefined; console.log(num1.toString()); ​ var num2 = null; console.log(num2.toString()); 2, String() 1. Regular use Some values do not have the toString() method. You can use the String() method at this time, such ...

The new crown epidemic has lasted for several months. At present, the epidemic situation in our country has been basically controlled, while the European and American countries are in the period of outbreak. We will see that many websites have provided a variety of epidemic statistics maps. Today, we use Python's pyecharts framework to draw som ...

Read the Docs Is an online document hosting service that allows you to import documents from various version control systems.In general, this is ideal for writing software documents, tutorials, e-books, and so on. Sphinx Sphinx is a Python-based document generation project that was originally used to generate official Python documents. With ...

Preface Let's first look at an effect and expand the content of this article. Realization After a general App is refreshed, it will show how much content or update has been added. It is common for news or live broadcast. So, how to achieve this effect? Pull down to refresh. After getting the latest data of the server, the siz ...

Code source: https://github.com/eriklindernoren/ML-From-Scratch The specific implementation of convolution layer Conv2D (with strip and padding) in convolution neural network: https://www.cnblogs.com/xiximayou/p/12706576.html Implementation of activation function (sigmoid, softmax, tanh, relu, leakyrelu, elu, selu, softplus): https://www.cnbl ...