Testing with IE6, IE7 and IE8 on VirtualBox | Shape Shed
Microsoft does not support IE8 anymore, and neither do we.
I've recently moved from using Parallels for browser testing to Sun's Open Source VirtualBox. Here's a walkthrough on how to get a browser testing suite for free on OSX or Ubuntu.
Related cards:
Using Firebug Lite to inspect HTML in Internet Explorer and other browsers
You know Firebug as a Firefox extension but there is also a "Lite" version which runs purely off JavaScript.
Though all major browsers offer inspection tools you may like the Firebug style. Also, for me this is a lot better than the IE8 develop...
How to use CSS to rotate text by 90° in IE8 (and modern IEs)
If you want to rotate text, you can use CSS transforms in somewhat modern browsers to rotate the container element.
However, if you need to support IE8, transform is unavailable (if need only IE9 support, ignore the following and use `-ms-transf...
CSS: Opacity is not inherited in Internet Explorer
Non-static elements will not inherit their parent's opacity in IE for no good reason. This can lead to unexpected behaviour when you want to fade/hide an element and all its children.
To fix it, give the parent element defining the opacity a non-...
xdissent/ievms - GitHub
Microsoft provides virtual machine disk images to facilitate website testing in multiple versions of IE, regardless of the host operating system. Unfortunately, setting these virtual machines up without Microsoft's VirtualPC can be extremely diffi...
Making media queries work in IE8 and below
When using @media CSS queries, Internet Explorer 8 and below will fail to respect them.
Though there are several options (like mediatizr and css3-mediaqueries), Respond.js was the only one that worked...
On Being A Journeyman Software Craftsman: Test-first and Test-driven conversation with JB Rainsberger
We had a conversation about the fact that the 'TDD is about testing vs TDD is about design" debate that keeps popping up, especially now in the Ruby community.
PSA: When Redis (on LRU noeviction) reaches memory limits, keys with (any) expiry are removed, and keys without are not
In production, you (or your ops team) should configure a maximum number of bytes that Redis can use to store data (maxmemory setting).
They may even want to set maxmemory-policy to noeviction to avoid keys being removed that you want to keep...
Postgres: DISTINCT ON lets you select only one record per ordered attribute(s) for each group
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To retrieve only unique combinations of the selected attributes: You can omit rows, where all selected columns are equal with the
DISTINCTstatement. - To retrieve the group wise maximum of certain columns: You can keep only one record fo...
How to make Webpacker compile once for parallel tests, and only if necessary
Webpack is the future. We're using it in our latest Rails applications.
For tests, we want to compile assets like for production.
For parallel tests, we want to avoid 8 workers compiling the same files at the same time.
When assets did not change...
How to bind an event listener only once with Unpoly
You can use Unpoly's up.on with a named listener function and immediately unbind this event listener with { once: true }:
up.on('up:fragment:inserted', { once: true }, function () { ... })
In Unpoly 1 you c...