Building Data-Driven Web Apps with Pyramid and SQLAlchemy Transcripts
Chapter: Bootstrap and frontend CSS frameworks
Lecture: Intro to grid layout
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Let's start explaining Bootstrap
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by looking into one of its most
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powerful and useful features.
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We're going to look at its grid layout system.
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This is something people often get wrong
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when they're doing web development, and Bootstrap
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makes super easy for you.
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So, that's a really nice place to be.
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Something easy that used to be really hard.
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Alright, so here is the Talk Python Training website
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circa 2018.
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Probably still looks like this, but maybe it's
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changed at some point when you're watching.
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But the principle is the same, I'm sure.
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Here is how things look on a standard laptop
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or desktop browser.
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Alright, so you scroll down.
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This is in the middle.
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We've got this part broken into thirds
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with an image and then below it, details about it.
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Here we have these sort of three...
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What, what's the value proposition?
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You can learn online.
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You don't have to get a subscription, those sorts of things.
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These are broken up into thirds as well.
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Here's a part that, maybe it's hard to tell, but it's
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broken up into halves.
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There's this half and that half.
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The student testimonials, again, halves here
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halves here, and so on.
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So this is how it looks on a desktop, but
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what if we make it skinnier?
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The top part, not so interesting, so I'll pull up
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one of these thirds.
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So we make it smaller.
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Notice the images automatically get smaller.
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That's not technically the grid layout, but
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that's inter played with Bootstrap and the grid layout.
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A little bit smaller and eventually it says
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you know, this is too small to make sense
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as a grid, so maybe you're on some kind of phone.
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So now, if we go to the site
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maybe that's even a little skinny for a phone.
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Now we're on the site.
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Here's maybe how it looks on as standard iPhone
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or Android or something like that.
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Notice how these wrap super nicely, and they break
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instead of being broken into horizontal slices
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they wrap, basically become more sort of vertically
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stacked elements, and that happens throughout the site.
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And this happens incredibly easy for us using
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the Bootstrap grid, so we'll talk about how that works.
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Also, we're not going to cover it in the course
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but it's an easy feature.
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Notice up here we've got this navigation
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and as you get smaller, it's going to run out of space
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for, say, pricing and business and podcasts
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and eventually, notice some of the elements
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went away because instead of totally breaking that
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we say, you're only allowed to how the extra
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sort of secondary items in the Nav when there's
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enough room, and if it gets too small, then put them-
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You know, take them away, put them back like that.
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If it gets really small, then there's no room for the
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Nav, so make that a dropdown menu.
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So all sorts of cool stuff for Bootstrap.
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Somewhat on the same principle, but the
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main thing we're going to focus right now is this grid layout.
