Problems with Get - Web Development Udacity English English (auto-generated)

Problems with Get - Web DevelopmentYouTube↗ IA↗(long shot)
Education 3.3K views 15 likes 2 dislikes 22 Apr 2012

Udacity 651K subscribers United States YouTube↗

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Okay. So we talked about some of the differences;

okay so we talked about some of the

now let's talk about what happens if you don't obey those rules.

differences now let's talk about what happens if you if you don't obey those

I remember, about--this is probably 6 or 7 years ago now,

rules I remember about this is probably

when we first starting Reddit--

six or seven years ago now when we were

there was a program online called Basecamp,

first starting reddit there is a there's a program online called base camp and

and it's made by a company called 37 Signals--

it's it's made by a company called

and it's used for organizing To-Do Lists and stuff.

37signals and it's used for you know organizing to-do lists and stuff and so

And so the page kind of looked like this.

the page kind of looked like this you

You had like these To-Do items

had like these you know to-do items and

and next to each of these To-Do items

next to each of these to-do items was a

was a little link that said: Delete.

little link that said delete and this

And this was just a link--and if you recall,

was just a link and if you recall normal

normal links, with the anchor tag that you would see in Click On--

links with the anchor tag that you would

those make GET requests.

see and click on those make get requests

To make a POST request you need a form,

to make a form to make a post request

and these were just links.

you need a form and these were just

And so if you were logged in, you could create these To-Do items;

links and so if you're logged in you

and if you wanted to delete it, you could just click on Delete.

could create these to-do items and if you wanted to delete it you could just

Well, there was another program out at the time, called

click on delete well there was another program out at the time called Google

"Google Web Accelerator".

Google web accelerator and what that was

And what that was, was it was a browser plugin

is it was a browser plugin that would

that would sit in your browser,

sit in your browser and while you're

and while you were browsing--

browsing you know let's say let's say

you know--let's say this is the browser you're looking at--

this is your you know the browser your

let's add a picture here.

you're looking at let's add a picture

While you were browsing, a bunch of text--

here you know while you're browsing a

you know--there might be some links throughout the document--

bunch of text you know there might be some links you know throughout the

the Google Web Accelerator would make those requests, behind the scene,

document the Google web accelerator would make those requests behind the

so that when you clicked the links, the pages were ready to go.

scene you know so that when you click the links the pages were ready to go the

The problem is, the Google Web Accelerator was hitting these links.

problem is the google web accelerator was hitting these links so users would

So users would go to their Basecamp page,

go to their you know Basecamp page look

look at their To-Do lists, and find that their items were deleting on their own,

at their to-do list and find that their items were were deleting on their own

and that's kind of a big problem.

and that's a that's kind of a big

And that's what happens when you use GET requests to alter the Server state.

problem and that's that's what happened or that's what happens when you use get

Those guys, at the time, just assumed that since we were logged in

request to alter the server state those guys at the time just assumed that since

no bots would ever hit the page; it would only be used as clicking.

we were logged in you know no BOTS would ever hit the hit the page you know what

But if your browser's behaving funny

only the users clicking but you know if

or if you've got a plugin running that's clicking on all the links for you,

your browser is behaving funny or if you've got a plug-in running that's that's you know clicking on all the

you'd better be certain that those links don't actually change the Server.

links for you you better be certain that

So what you should design instead is

those links don't actually change the server so what you should design instead

instead of making links that alter the Server,

is instead of making you know links that

you can make little forms--and the form

alter the server you can

can just have a little button in it that says: Delete

make little forms and the form can just

or it can have a special link that causes it to submit the form--

have a little button in it that says to lead or it can have a special link that

but it should be making a POST request.

causes it to submit the form but it should be making a post request

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