Joshua Paling

InstallFest Terminal Commands Explained Jul 14 2013

You use several command line tools throughout the blog tutorial, and you'll copy/pasted several commands into the terminal. Here's a bit more explanation on each command.

rails

When you install the Rails gem, you also...

The 15 Min Rails Blog - in 15 Weeks Jul 13 2013

Hey? That sounds like a bad deal? What's this about?

I've just finished ReInteractive's 15min Rails Blog. It's awesome. If you're wanting to learn rails (as I am) then it's a great start. If you're in Sydney, go to their even more awesome InstallFest

Solution to 'Invalid parameter number: number of bound variables does not match number of tokens' when running CakePHP Unit Tests Jun 26 2013

I just came across this in my CakePHP app. Posting my fix here, to aid any of you error code googlers. Turns out in my case the issue was just that one of my fixtures had an extra field in the $records array, which didn’t belong to that model / database...

Foo Bar Baz – the worst convention ever Jun 24 2013

I’m going to go out on a limb here and say that the whole foo / bar / baz etc convention for use in examples is one of the dumbest things ever invented. When trying to describe a programming concept with an example, is another level of generic abstraction...

Solution to Fatal error - Allowed memory size exhausted in CakePHP FileEngine.php on line 196 Jun 14 2013

I just came accross this error in one of my CakePHP apps. I’m going to keep track of my debugging as I go here, for my own reference, and to improve the luck of any error-code-googlers out there.

In my CakePHP 2.3 app, every request, I’m getting the...

Dividing percentages in Sass May 28 2013

Just now I was trying to divide two percentages in SASS (I’m relatively new to SASS). Basically, I had 7 columns for days of the week, and I wanted something like:

width: (100/7)%; // did NOT work

After a bit of searching, it turns out SASS already...

Package installation errors when installing Ruby on Rails May 27 2013

So, at Step 5 of the tutorial, when I run:

rvm install 1.9.3

I get this output at the terminal:

The “all good” part

Searching for binary rubies, this might take some time.
No binary rubies available for: osx/10.8/x86_64/ruby-1.9.3-p429.
Continuing...

Compass CSS3 background gradients not working in IE 10 May 21 2013

I’ve been using ColorZilla to generate my background gradients, and I’ve been using the SASS / Compass version of the generated code, which looks something like this:

// needs latest Compass, add '@import "compass"' to your scss
background-color:...

The Problem

Sometimes when your window is narrow, you’ll find that your fixed-width header or content appears to get truncated when you scroll to the right.

The Solution

Add a CSS rule to ensure that your body element is at least as wide as the...

Joss is Blogging… lets see how long this phase lasts. May 20 2013

Welcome to my Blog!

Hopefully I’ll get round to updating it with programming-related stuff that I think I’ll find useful in future, or that others will find useful.

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