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#log

#rails

Rails Blog & Conference

* blog

Crowd Interactive Tech Blog : http://blog.crowdint.com/archive

http://blog.bemga.com/?tag=ruby-on-rails

* conference

MAGMA RAILS : http://www.magmarails.com/

RailsConf2012 : http://www.railsconf2012.com/

http://www.confreaks.com/events/railsconf2012 presentations available

http://lanyrd.com/2012/railsconf/

#rails #blog #conference

Gem Server

gem server

Run your own gem server

http://guides.rubygems.org/run-your-own-gem-server/

#rails #gem

Rails Logger

The default Rails log level is

info in production mode and

debug in development and test mode.

http://guides.rubyonrails.org/debugging_rails_applications.html#the-logger

http://engineering.freeagent.com/2011/10/12/understanding-the-rails-logger/

http://railscasts.com/episodes/56-the-logger-revised

[Tip]

http://syntaxionist.rogerhub.com/rotate-rails-logs-with-logrotate.html

http://zogovic.com/post/21138929607/running-time-in-rails-logs

https://github.com/wvanbergen/request-log-analyzer/

http://cbpowell.wordpress.com/2012/04/05/beautiful-logging-for-ruby-on-rails-3-2/

http://jasonseifer.com/2009/08/10/using-the-rails-logger-outside-of-models-and-controllers

http://mirakui.hatenablog.com/entry/2012/02/19/how-to-flush-rails-logger-if-unicorn-timeout

[Tip2]

def index

@articles = Article.all

logger.debug "Articles Count: #{Article.count}"

end

def index

@articles = Article.all

logger.debug { "Articles Count: #{Article.count}" }

end

#rails #logger

Rails Custom Configuration

https://github.com/binarylogic/settingslogic

https://github.com/markbates/configatron

https://github.com/raavin/configatron-rails

http://stackoverflow.com/questions/592554/best-way-to-create-custom-config-options-for-my-rails-app

#configatron #configuration #rails #settingslogic

Bulk inserting data using ActiveRecord.

https://github.com/zdennis/activerecord-import

#mysql #rails #activerecord #bulk

Run a single migration! @Rails

http://stackoverflow.com/questions/753919/run-a-single-migration-file

rake db:migrate:status

rake db:migrate:down VERSION=20090408054532

rake db:migrate:up VERSION=20090408054532

rails console

>> require "db/migrate/20090408054532_add_foos.rb"

>> AddFoos.up

script/runner 'require("db/migrate/20090408054532_add_foos.rb").first.constantize.up'

#rails #migration

MySQL Data and Time Functions

http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html

SELECT NOW()

SELECT UTC_TIMESTAMP()

#MYSQL #TIMEZONE

MySQL tips (MyISAM, InnoDB)

* Concurrent Inserts (MyISAM)

http://dev.mysql.com/doc/refman/5.5/en/concurrent-inserts.html

* INSERT DELAYED Syntax (MyISAM)

http://dev.mysql.com/doc/refman/5.5/en/insert-delayed.html

* Bulk Data Loading for InnoDB Tables

http://dev.mysql.com/doc/refman/5.5/en/optimizing-innodb-bulk-data-loading.html

* 13.2.6. LOAD DATA INFILE Syntax

http://dev.mysql.com/doc/refman/5.5/en/load-data.html

* 8.4.3.2. Disadvantages of Creating Many Tables in the Same Database

http://dev.mysql.com/doc/refman/5.5/en/creating-many-tables.html

* 13.2.5.3. INSERT ... ON DUPLICATE KEY UPDATE Syntax

http://dev.mysql.com/doc/refman/5.5/en/insert-on-duplicate.html

* Avoid Query Cache

SELECT SQL_NO_CACHE ...

* Packet too large

http://dev.mysql.com/doc/refman/5.5/en/packet-too-large.html

#mysql

MySQL Edition

MySQL Community Edition

http://www.mysql.com/products/

http://www.mysql.com/products/community/

#mysql

MySQL query beautifier!

#mysql #sql

iPhone System Versioning Preprocessor Macros

/* * System Versioning Preprocessor Macros */ #define SYSTEM_VERSION_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame) #define SYSTEM_VERSION_GREATER_THAN(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedDescending) #define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending) #define SYSTEM_VERSION_LESS_THAN(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending) #define SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedDescending) /* * Usage */ if (SYSTEM_VERSION_LESS_THAN(@"4.0")) { ... } if (SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(@"3.1.1")) { ... }

http://stackoverflow.com/questions/3339722/check-iphone-ios-version

__IPHONE_OS_VERSION_MIN_REQUIRED = 30200.

#iphone #version #systemVersion

node.js useful links

http://nodejs.org/api/

http://howtonode.org/

https://no.de/

https://github.com/nodejitsu/handbook

http://search.npmjs.org/

http://nodeup.com/

http://blog.nodejitsu.com/npm-cheatsheet

http://www.scoop.it/t/nodejs-code

http://openmymind.net/redis.pdf

#node.js

CoffeeScript useful links

http://coffeescript.org/

http://ontwik.com/javascript/jeremy-ashkenas-coffeescript-for-the-well-rounded-rubyist/

http://arcturo.github.com/library/coffeescript/

http://autotelicum.github.com/Smooth-CoffeeScript/

http://railscasts.com/episodes/267-coffeescript-basics

http://peepcode.com/products/coffeescript

http://pragprog.com/book/tbcoffee/coffeescript

http://my.safaribooksonline.com/book/programming/coffeescript/9780132946155

http://coffeescriptcookbook.com/chapters/strings/capitalizing-words

https://github.com/languages/coffeescript

#coffeescript

Rails Timezone

**

http://www.elabs.se/blog/36-working-with-time-zones-in-ruby-on-rails

* What time is it or handling timezones in Rails

http://databasically.com/2010/10/22/what-time-is-it-or-handling-timezones-in-rails/

config/application.rb

config.time_zone = 'Seoul'

Time.zone = current_user.time_zone || MyAppName::Application.config.time_zone]

http://apidock.com/rails/ActionView/Helpers/FormOptionsHelper/time_zone_select

<%= time_zone_select( "user", 'time_zone', ActiveSupport::TimeZone.us_zones, :default => "Pacific Time (US & Canada)") %>

<%= time_zone_select( "user", 'time_zone') %>

<%= time_zone_select( "user", 'time_zone', /Seoul/) %>

<%= time_zone_select( "user", "time_zone", nil, :default => "Seoul" ) %>

* http://railscasts.com/episodes/106-time-zones-in-rails-2-1

add_column :users, :time_zone, :string

1.9.2p318 :002 > MyData.first.updated_at

=> Thu, 14 Jun 2012 15:46:07 KST +09:00

1.9.2p318 :003 > MyData.first.updated_at_before_type_cast

=> "2012-06-14 06:46:07.970776"

#rails #timezone

CoffeeScript & jQuery example

From CodeSchool

https://gist.github.com/2941940

https://gist.github.com/2941984

#coffeescript #jquery

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