将软件布置在第三方电脑上会出现无法提前指定绝对路径的情况,这回影响到后续的文件读写;json文件是数据交换的一种基本方法,为了减少重复造轮子,经行标准化代码。关于路径: import os
workspaceos.getcwd()
pathos.pat…
python 传不定量参数The first quantitative class for vanilla finance and quantitative finance majors alike has to do with the time value of money. Essentially, it’s a semester-long course driving notions like $100 today is worth more than $100 a year from …
I have drawn some Graphics in a JPanel, like circles, rectangles, etc.But I want to draw some Graphics rotated a specific degree amount, like a rotated ellipse. What should I do?解决方案If you are using plain Graphics, cast to Graphics2D first:Graphics2D …
贝叶斯 朴素贝叶斯介绍 (Introduction) Bayesian analysis offers the possibility to get more insights from your data compared to the pure frequentist approach. In this post, I will walk you through a real life example of how a Bayesian analysis can be perform…
构建图像金字塔Authors: Jenny Huang, Ian Hunt-Isaak, William Palmer作者: 黄珍妮 , 伊恩亨特伊萨克 , 威廉帕尔默 GitHub RepoGitHub回购 介绍 (Introduction) Training an image segmentation model on new images can be daunting, es…
1、连接mongodb默认端口是:27017,因此我们连接mongodb:$mongodb new Mongo(localhost) 或者指定IP与端口 $mongodb new Mongo(192.168.127.1:27017) 端口可改变若mongodb开启认证,即--auth,则连接为: $mongodb new …