How To ...

A blog about development/programming by Fernando Martínez. Minimal posts that teach you how to do something. Snippets of code and art ;)

[fernandodev]

Postgres on .bashprofile

PATH="/Applications/<app_name>.app/Contents/MacOS/bin:$PATH"

The app_name can be Postgres93 or Postgres 

[fernandodev]

Enable Rspec Colors

It's simple! Create a .rspec file on ....

Local: ./.rspec-local (i.e. in the project's root directory, can be gitignored)

OR

Project: ./.rspec (i.e. in the project's root directory, usually checked into the project)

OR

Global: ~/.rspec (i.e. in the user's home directory)

And put

--color

Inside your .rspec file

For more information, look at:

https://www.relishapp.com/rspec/rspec-core/docs/configuration/read-command-line-configuration-options-from-files

[fernandodev]

Fix Android Studio 0.3.6 Import Gradle Error

Recently I've upgraded my Android Studio to 0.3.6 

When I imported a project the following error appeared

Unsupported method: GradleProject.getBuildScript()

How to fix?

That's simple! 

Go to your project's folder and in /gradle/gradle-wrapper.properties, fix this line:

distributionUrl=http\://services.gradle.org/distributions/gradle-1.8-bin.zip

Now you need to change your build.gradle for:

classpath 'com.android.tools.build:gradle:0.6.+'

instead of 0.5.+

[fernandodev]

Downcase Non English Characteres

In my project I need to put some pt-br strings in downcase mode but with the default downcase method, strings like:

"VOCÊ QuEr MESMO POR iStO em InglÊS?"

results on

"vocÊ quer mesmo por isto em inglÊs?"

Bad result I know!

So to solve it! Use:

See doc for more information

[fernandodev]

Convert Array To String With Specific Separator

The quick way to format an array to string:

[fernandodev]

Adjust Window Arrangement on Ubuntu 12.04

First, install Compiz to do the job ;)

Second, setup you key bindings on Window Management/Grid

Be happy =P

[fernandodev]

Create a Custom Filter for ActiveAdmin

My model has a relationship with another model, like that:

class User

  belongs_to :enterprise

end

And I want to create a custom filter for User that filters by enterprise but the activeadmin shows the default filter by memory address of enterprise like:

#<Enterprise:0x007fc6f8e06868>

To fix it, do it: