Alas-test

I switched from Vim to Spacemacs & Elixir. Here’s my config & reasons

I have recently made a switch from vim to spacemacs. Spacemacs is basically emacs for vim users. Vim editing is great and you can still use you old habits while being on a most advanced and robust work…

Object instantiation time benchmark in Python : ARM vs. x86

Suppose we have two machines.

• Intel x86 : Core Duo 1.86GHz CPU — python 2.7.4 on Ubuntu 13.04
• RaspberryPi — ARM 700Mhz CPU -python 2.7.3 on raspbianOS

Scientology

Postgresql create index concurrently sorcery

Quick snippet on how to create index concurrently:

[code language=”sql”]
CREATE INDEX CONCURRENTLY table_name_on_column_name ON table_name(column_name)
[/code]

OSX terminal spell to notify you when internet connection is back

Here's a simple loop that will notify you as soon as your internet connection is back. It will basically try to ping Google's first DNS server until it suceeds.

[code language="shell"]
until…

Chef-solo + rbenv + ree-1.8.7 + tcmalloc error headache

Have you ever hit the “tcmalloc” problem while installing rbenv’s ree-1.8.7?

Did you try to solve the problem by adding

My latest Warsaw Ruby Users Group about AWS Opsworks

[slideshare id=29146245&sc=no]