For a simple interaction, you don’t really need a tool like Selenium that will record and playback requests. You only need the tools you’ve already mentioned: Chrome already comes with the Developer Tools that you need: use the Network tab. No plugin to download. I don’t know if Safari will work — I don’t see … Read more
[Here is the result of my research.] RFC 2616 clause 3.4 says the following: HTTP character sets are identified by case-insensitive tokens. The complete set of tokens is defined by the IANA Character Set registry [19]. charset = token The IANA Character Set registry is now maintained here. At the very top of this document … Read more
Just set the cookie on exactly the same name, path and domain, but with an Expires value in the past. Optionally, set the value to null/empty-string, even if it’s just to save the bandwidth, it’s otherwise ignored anyway by the average client. Note that setting on exactly the same path is important. Many starters fail … Read more
As i’m reading it, 415 Unsupported Media Type sounds like the most appropriate. From RFC 2616: 10.4.16 415 Unsupported Media Type The server is refusing to service the request because the entity of the request is in a format not supported by the requested resource for the requested method. Yeah, the text part says “media … Read more
(2018) Code updated for rxjs6 It totally works with angular2. Obviously it’s different from angularJS because neither $scope nor $apply exist anymore. RxJS makes this easy, though! Tested on Chrome 53: template: <p>{{online$ | async}}</p> component: import { Observable, fromEvent, merge, of } from ‘rxjs’; import { mapTo } from ‘rxjs/operators’; @Component({ /* … */ … Read more
The HTTP protocol itself is readable as text. This is useful because you can telnet into any server at all and communicate with it. Being text also allows you to easily watch HTTP communication with a program like wireshark. You can then diagnose the source of problems easily. HTTP defines a way to work with … Read more
Prefetch: A lot of web browsers will use prefetching. Which means that it will load a page before you click on the link. Anticipating that you will click on that link later. Bots: There are several bots that scan and index the internet for information. They will only issue GET requests. You don’t want to … Read more
A reason that’s both technical and historical is that text protocols are almost always preferred in the Unix world. Well, this is not really a reason but a pattern. The rationale behind this is that text protocols allows you to see what’s going on on the network by just dumping everything that goes through. You … Read more
If you are using Chrome Dev Tools, make sure you have “Disable cache (while DevTools is open)” unchecked. I was having issues with the “Access-Control-Max-Age” not being honored only to realize that I had that option checked.
EDIT: compiled list: an entity-body is only present when a message-body is present (section 7.2) the presence of a message-body is signaled by the inclusion of a Content-Length or Transfer-Encoding header (section 4.3) a message-body must not be included when the specification of the request method does not allow sending an entity-body (section 4.3) an … Read more