选项a) // comment:在Python中,单行注释不使用双斜杠(//),这常见于其他语言如JavaScript或C++。 选项b) /* comment */:这是多行注释语法,但在Python中不支持,多行注释通常通过每行添加#或使用三个引号('''或""")包裹。 选项c) # comment:正确。#符号是Python标准的单行注释方式,井号后的内容会被解释...
This developer-centric message is out of the way. We want your visitors to have JavaScript enabled just as much as you do! Your browser is not recognized or is currently unknown. Google Chrome On the web browser menu click on the "Customize and control Google Chrome" and select "Settings"...
Both single-line comments and block comments can be used to comment out code, depending on the size of the section being toggled. Note: Commenting out code should only be done during testing purposes. Do not leave snippets of commented out code in your final script. When working out the lo...
For example, if you learned that most of your website users come from Europe, then choosing a test server in Germany will give you the closest results. If your website visitors are from all over the world, then you can run multiple tests to find out how your website performance varies ...
A JavaScript error handler is useful during debugging, but you typically remove it when you deploy your application. For more information about the errors that you can handle in JavaScript, see Error Handling. The iframe element and other additions to the HTML help ensure cross-browser ...
At WPBeginner, we work with WordPress site owners every day. One thing we’ve consistently noticed is the confusion around nofollow links, especially among those just starting out. It’s a topic that seems technical but is actually quite simple once you know what you’re doing. ...
Adding comments to your code in HTML, CSS, and JavaScript will help other people to understand what your code is about. It’s also helpful when you’re working on a project in development and need to temporarily comment out some code while testing. But just make sure to not leave comments...
To enter a kernel name and parameters, you first need to know how to get to a boot prompt. Unfortunately, this can sometimes be difficult to figure out because Linux distributions customize boot loader behavior and appearance to their hearts’ content. 要输入内核名称和参数,您首先需要知道如何进入...
really trying to communicate with each other,” Simpson says. “It’s not just that I can communicate a code idea with somebody from a different (computer) language, but I can communicate an idea about life – a problem that I’m trying to solve – and I can use JavaScript to do ...
I still have a lot to improve and to do. Throughout this handbook you will explore the many features of NGINX and how to use them. This guide is fairly comprehensive, and touches a lot of the functions (e.g. security, performance) of NGINX. If you do not have the time to read ...