Which is better for data analysis: R or Python?

In this article, we will explain R and python and which is better for data analysis: R or Python. Python and R are both popular statistical programming languages. While R's functionality is designed with statisticians in mind (considering R's powerful dat

2023-01-12
How to Find a P-Value from a t-Score in Python?

Data is a valuable asset that plays a crucial part in today's society, as everything is strongly dependent on data. Today, all technologies are data-driven, and massive volumes of data are generated on a regular basis. Data is unprocessed information that

2023-01-12
宝塔利用 Git + WebHook 实现与码云同步【自动部署】

1. 将项目拉取到云服务器 2. 配置 SSH 公共密钥 3. 宝塔安装webhook 4. 配置 gitee WebHook 5. 测试同步 1. 将项目拉取到云服务器 拉取指定分支到云服务器 git clone -b 分支名 仓库地址 git clone -b liang https://gitee.com/holyking/test.git 配置永久记住密码 git conf

2023-01-11
.gitignore 忽略文件和目录

1. .gitignore 简介 2. .gitignore 注释 3. / 开头或结尾的忽略 4. glob 模式匹配忽略 5. .gitignore 全局忽略 6. 忽略已提交到远程仓库的内容 7. 使用各种框架下的忽略规则 1. .gitignore 简介 .gitignore 文件的作用就是告诉 git 哪些文件不需要添加到版本管理中(定义忽略

2023-01-11
How to flip an image in OpenCV Python?

In OpenCV, an image can be flipped using the function cv2.flip(). Using this function we can flip the image across X-axis, Y-axis and across both axes. It accepts a flag flipCode as an argument to flip the image across the axis. If the flipCode is set to

2023-01-11
How to normalize an image in OpenCV Python?

We use the function cv2.normalize() to normalize an image in OPenCV. This function accepts the parameters- src, dst, alpha, beta, norm_type, dtype and mask. src and dst are input image and output of the same size as input, alpha is lower norm value for ra

2023-01-11
OpenCV Python – How to find the shortest distance between a point in the image a

We could compute the shortest distance between a point and a contour on the image using cv2.pointPolygonTest() passing the contour points coordinates and the point coordinate as arguments. Before applying cv2.pointPolygonTest() we need to compute the cont

2023-01-10
OpenCV Python – How to convert a colored image to a binary image?

We use cv2.threshold() to convert a grayscale image to binary image. To convert a color image to binary image, we first convert the color image to grayscale image using cv2.cvtColor() then apply cv2.threshold() on the grayscale image. Steps One could fol

2023-01-10
Python 标准库之 Json 模块

JSON (J**aScript Object Notation) 是一种轻量级的数据交换格式。它基于 ECMAScript (欧洲计算机协会制定的 j**ascript 规范)的一个子集,采用完全独立于编程语言的文本格式来存储和表示数据。简洁和清晰的层次结构使得 JSON 成为理想的数据交换语言。 易于人阅读和编写,同

2023-01-10
Python 生产者消费者模型

1. 简介 生产者和消费者问题是线程模型中的经典问题: 生产者和消费者共享同一个存储空间 生产者往存储空间中添加产品,消费者从存储空间中取走产品 当存储空间为空时,消费者阻塞,当存储空间满时,生产者阻塞 Python 的内置模块 queue 提供了对生产者和消费者模型的支持,模

2023-01-10

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