This post is all about how to check Python version on your computer. But before getting started, let’s know a bit about Python. 这篇文章全部关于如何在您的计算机上检查Python版本。 但是在开始之前，让我们对Python有一点了解。 Python is one of the m…

今日开始学习使用JQuery,尝试利用JQuery来制作一个动态表格,结构如下 后面两个Class为空来应对可能增加的列数来调节列宽 $("div>p").parent().not($(".grid_2")).filter("nth-child("lenth"n1)")来选择每行的第2列,但是却选中了第…

在我的项目中安装一些作曲家软件包时遇到问题。 Problem 1 - Installation request for spatie/image-optimizer 1.1.5 -> satisfiable by spatie/image-optimizer[1.1.5]. - spatie/image-optimizer 1.1.5 requires php ^7.2 -> your PHP version (7.1.14) does not sat…

全文转载自 Scott Hanselman的博文。 I bought a 3D printer on Friday, specifically a Printrbot Simple Metal from Amazon for US$599. I did a few days of research, looking at all the consumer models under $1000. Some were enclosed, others not. Some made of wo…

Java资源大全中文版 我想很多程序员应该记得 GitHub 上有一个 Awesome - XXX 系列的资源整理。awesome-java 就是 akullpp 发起维护的 Java 资源列表，内容包括：构建工具、数据库、框架、模板、安全、代码分析、日志、第三方库、书籍、Java 站点等等。伯…

虚幻引擎构建光照失败的原因 by David Nadaski 大卫纳达斯基(David Nadaski) 如何在虚幻引擎4中构建实时动态封面系统 (How to build a real-time dynamic cover system in Unreal Engine 4) 介绍 (Introduction) A cover system enables A.I. units to avoid direct fire, ta…

css文字图片动画 Following on from last week’s issue (and inspired a bit by receiving the latest Type Directors Club annual in the post), I spent some more time looking at vintage posters. The spark came about when I went looking through the last couple em…

mac outlook For reasons I cannot fully understand, I decided to use Outlook on my Mac. That’s when I discovered that Outlook was making me click “Download Pictures” on every single email, which is really annoying. Here’s how to make Outlook download th…