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@zaphar
zaphar / date_util.erl
Created May 1, 2009 06:07
set of utility functions that wrap the calendar module and erlangs now() date() and time() functions
-module(date_util).
-compile(export_all).
epoch() ->
now_to_seconds(now())
.
epoch_hires() ->
now_to_seconds_hires(now())
.
@njonsson
njonsson / The difference between the junior and senior Rails developer
Created May 6, 2009 03:31
The difference between the junior and senior Rails developer — an extract of the discussion forum at the Rubyists LinkedIn group
Someone recently asked the following question in the discussion forum of the Rubyists LinkedIn group: What separates a junior Rails developer from a senior one?
My response follows. Join us at http://www.linkedin.com/groups?gid=120725 to weigh in on this and other topics of interest to Rubyists. As of today there are almost 1,200 members, including numerous movers and shakers in the Ruby and Rails communities.
“Distinguishing between junior and senior people in the Rails world is not so different from making the distinction in other web development environments.
“Junior Rails people have not dealt with scaling issues to the degree that senior people have. Getting a public-facing Rails application to perform under significant stress is more challenging than doing the same with other building materials such as PHP. Senior people know how to performance-test Rails applications, where to look for bottlenecks, and how to eliminate them one after another until performance is acceptable in real conditions. The Ra
@isaacs
isaacs / node-and-npm-in-30-seconds.sh
Last active November 2, 2024 12:56
Use one of these techniques to install node and npm without having to sudo. Discussed in more detail at http://joyeur.com/2010/12/10/installing-node-and-npm/ Note: npm >=0.3 is *safer* when using sudo.
echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bashrc
. ~/.bashrc
mkdir ~/local
mkdir ~/node-latest-install
cd ~/node-latest-install
curl http://nodejs.org/dist/node-latest.tar.gz | tar xz --strip-components=1
./configure --prefix=~/local
make install # ok, fine, this step probably takes more than 30 seconds...
curl https://www.npmjs.org/install.sh | sh
@danielpietzsch
danielpietzsch / deploy.rb
Created March 10, 2011 22:50
Deploy a specific or the current Git branch by default using Capistrano
# parses out the current branch you're on. See: http://www.harukizaemon.com/2008/05/deploying-branches-with-capistrano.html
current_branch = `git branch`.match(/\* (\S+)\s/m)[1]
# use the branch specified as a param, then use the current branch. If all fails use master branch
set :branch, ENV['branch'] || current_branch || "master" # you can use the 'branch' parameter on deployment to specify the branch you wish to deploy
@erichurst
erichurst / database.yml.example mysql2
Created May 9, 2011 02:58
Rails 3 database.yml examples
# MySQL. Versions 4.1 and 5.0 are recommended.
#
# Install the MySQL driver:
# gem install mysql2
#
# And be sure to use new-style password hashing:
# http://dev.mysql.com/doc/refman/5.0/en/old-client.html
development:
adapter: mysql2
encoding: utf8
:+1:
:-1:
:airplane:
:art:
:bear:
:beer:
:bike:
:bomb:
:book:
:bulb:
@fxn
fxn / post.md
Created May 23, 2011 21:08
GeoPlanet data with ancestor chain cache imported in 10 minutes

GeoPlanet data with ancestor chain cache imported in 10 minutes

Yahoo! provides its GeoPlanet data as three separate TSV files, available for download here.

That's a database with some 17 million records:

  • 5.7 million records: locations (aka places).
  • 2.2 million records: alternative names for each place (aka aliases).
  • 9.6 million records: matrix of neighbourhoods per place (aka adjacencies).
@artero
artero / launch_sublime_from_terminal.markdown
Last active September 12, 2024 02:13 — forked from olivierlacan/launch_sublime_from_terminal.markdown
Launch Sublime Text 2 from the Mac OS X Terminal

Launch Sublime Text 2 from the Mac OS X Terminal

Sublime Text 2 ships with a CLI called subl (why not "sublime", go figure). This utility is hidden in the following folder (assuming you installed Sublime in /Applications like normal folk. If this following line opens Sublime Text for you, then bingo, you're ready.

open /Applications/Sublime\ Text\ 2.app/Contents/SharedSupport/bin/subl

You can find more (official) details about subl here: http://www.sublimetext.com/docs/2/osx_command_line.html

Installation

@rstacruz
rstacruz / index.md
Last active November 3, 2023 09:56
Rails models cheatsheet

Rails Models

Generating models

$ rails g model User

Associations

belongs_to

has_one

@kagemusha
kagemusha / gist:1569836
Created January 6, 2012 09:20
Dump Heroku Postgres DB and load locally
Get the Heroku db as detailed here:
http://devcenter.heroku.com/articles/pgbackups#exporting_via_a_backup
1. heroku pgbackups:capture
2. heroku pgbackups:url <backup_num> #=>backup_url
- get backup_num with cmd "heroku pgbackups"
3. curl -o latest.dump <backup_url>
Then locally do:
$ pg_restore --verbose --clean --no-acl --no-owner -h localhost -U myuser -d mydb latest.dump