How do I vertically center text with CSS?

You can try this basic approach: Expand snippet It only works for a single line of text though, because we set the line’s height to the same height as the containing box element. A more versatile approach This is another way to align text vertically. This solution will work for a single line and multiple … Read more

Uses for the ‘"’ entity in HTML

It is impossible, and unnecessary, to know the motivation for using " in element content, but possible motives include: misunderstanding of HTML rules; use of software that generates such code (probably because its author thought it was “safer”); and misunderstanding of the meaning of ": many people seem to think it produces “smart quotes” (they … Read more

What does ‘IISReset’ do?

IISReset stops and restarts the entire web server (including non-ASP.NET apps)Recycling an app pool will only affect applications running in that app pool.Editing the web.config in a web application only affects that web application (recycles just that app).Editing the machine.config on the machine will recycle all app pools running. IIS will monitor the /bin directory … Read more

How to play audio?

If you don’t want to mess with HTML elements: Show code snippet This uses the HTMLAudioElement interface, which plays audio the same way as the <audio> element. If you need more functionality, I used the howler.js library and found it simple and useful. Show code snippet

Why does z-index not work?

The z-index property only works on elements with a position value other than static (e.g. position: absolute;, position: relative;, or position: fixed). There is also position: sticky; that is supported in Firefox, is prefixed in Safari, worked for a time in older versions of Chrome under a custom flag, and is under consideration by Microsoft … Read more

Error: Can’t set headers after they are sent to the client

The res object in Express is a subclass of Node.js’s http.ServerResponse (read the http.js source). You are allowed to call res.setHeader(name, value) as often as you want until you call res.writeHead(statusCode). After writeHead, the headers are baked in and you can only call res.write(data), and finally res.end(data). The error “Error: Can’t set headers after they are sent.” means that you’re already in the Body or Finished … Read more