Shortcut for bringing up mission control in a Mac

01/16/17  Public, Shortcuts

control + up arrow

https://support.apple.com/en-us/HT204100

1 vote - harrylevine

Shortcut for highlighting URL in chrome

01/16/17  Public, Shortcuts

command + L

1 vote - harrylevine

Free course on how to contribute to an open source project

12/27/16  Public, Git

Great free course on how to contribute to an open source project. Includes all of the small, integral steps that are key to the contribution process.

https://egghead.io/courses/how-to-contribute-to-an-open-source-project-on-github

Here are s...

1 vote - harrylevine

Creating a local copy of the routes.rb file to speed up your grepping of the routes

10/08/16  Public, Command Line, Rails General

Grepping your routes.rb file, for decent size projects, can take a long time. One solution to speed up this process is to create a local copy of the current state of your routes.rb ...

1 vote - harrylevine

before_* callbacks rollback transactions if its method returns false

10/05/16  Public, Troubleshooting, Rails Errors

I had a form, where in one of the fields, the user was clicking a drop-down menu, and choosing between one of three choices.

After the form was submitted, I had a callback that was doing something to the record.

When the user selected op...

1 vote - harrylevine

Encode an SVG file using base64 encoding

09/22/16  Public, Command Line, Tricks, Other Languages

Here is how to encode an SVG file, using base64 encoding, and then leverage the encoded string to set an element's background-image property to the SVG file in question.

1 - Open up an irb session
2 - Read the file into a variable, using...

1 vote - harrylevine

Controller spec when controller method is being hit through AJAX

07/29/16  Public, Testing / TDD

I had a controller method that is being called via AJAX. This method does not specifically render any pages (i.e. update.html.erb). The controller spec was throwing a missing template error

Failure/Error: put :update,
ActionView::Miss...

1 vote - harrylevine

`update_all` does not trigger callbacks or validations

07/25/16  Public, Rails General

We usually use custom validations or callbacks on the model, when we want to throw a large net and catch everything.

Something to be aware of is that update_all does not trigger callbacks or validations.

1 vote - harrylevine

Dealing with a LocalJumpError

06/20/16  Public, Troubleshooting, Ruby General

This is commonly caused by having return called within a block.

Here is an example. This example triggered an Airbrake error of type LocalJumpError:

task :decrement_taken_pto_...

1 vote - harrylevine