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So I recently was working on a site and wanted to use CSS3 columns. But I really like how the grid system works in Bootstrap, and wanted to be able to define columns in a similar way (i.e. have different number of columns depending on the screen size). Not finding any pre-cooked versions, I decided to write my own.
Strictly speaking, you don’t need Bootstrap for this to work. But I did re-use Bootstrap’s grid variables so that it breaks along the same lines that Bootstrap’s grid does. It’s also worth noting that, natively, the columns will collapse on their own if you specify a width. This method just gives you a bit more control.
Now, you can do something like this:
And it will collapse appropriately. You can see it in action on this JSFiddle.
The original release weighed in at roughly 12k compressed. I trimmed some of the fat off it. The current version weighs in at 7.6kb minified, which is about as small as it can get until those properties have no prefixes. If you want, though, you could use the mixin and the media queries to only generate the selectors you actually need. That would trim the file down to a ridiculously small size.
You can download a zip file containing the source SCSS, standard CSS and minified CSS for the full 12-column layout supporting all bootstrap break points, below. No license. Consider it public domain.
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Let’s say you’re building a tiny little Vue app. Not a full-on single page app, but something very tiny that will need to be embedded into other pages. Like a fully interactive widget that can do a wide variety of things, but will need to be self-contained so as not to interfere the rest of the page. Traditionally, in the past, we did this with a wide variety of approaches. Going back to the 90s, we use Java Applets (remember those?) and Active-X controls (ugh). We used Flash too (double ugh). Lately the preferred approach has been iframes, and while this is still a perfectly valid approach, it has it’s own set of problems. But now, we also have Shadow DOM which provides us another approach to building richly interactive widgets that are (mostly) contained from interfering with the styling of the surrounding page and, crucially, doesn’t allow the surrounding page to interfere with the widget! And, yes, Vue can totally be used inside a shadow tree. It just take a bit of setup work.
AngularJS’s built-in ngResource is a great tool for natively supporting REST APIs in your Angular application. But what happens when you need to support something besides a simple call that retrieves a list of JSON objects? You quickly run into the limits of ngResource. Here’s a great case where you might need to do something more complex: paging. Say you want to get a list of objects, and there’s 10,000 or so of them. You don’t want to send 10,000 objects to your frontend app. You want to send a portion of them, but you still need to indicate to the app that there are more. Surprisingly, considering how widespread this pattern is in web development, there does not seem to be a native way to accomplish this. But you can extend ngResource. Here’s how I did it.