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Emanuel H. Farias emanuelhfarias

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Goal CSS 3 XPath
All Elements * //*
All P Elements p //p
All Child Elements p>* //p/*
Element By ID #foo //*[@id=’foo’]
Element By Class .foo //*[contains(@class,’foo’)]
Element With Attribute *[title] //*[@title]
First Child of All P p>*:first-child //p/*[0]
All P with an A child Not possible //p[a]
Next Element p + * //p/following-sibling::*[0]
@staltz
staltz / music.md
Last active November 23, 2024 22:31
coding music

Not for everyone. Each programmer has their own appreciation of what is good coding music.

For when I need to think deep, debug something, or design

(From most influential to least)

@staltz
staltz / introrx.md
Last active May 24, 2025 19:53
The introduction to Reactive Programming you've been missing
@simonewebdesign
simonewebdesign / install_sublime_text.sh
Last active March 11, 2024 12:23
Install Sublime Text 3 on Linux via POSIX shell script - http://simonewebdesign.it/install-sublime-text-3-on-linux/
#!/bin/sh
# Sublime Text 3 Install (last update: Monday 13 March 2017)
#
# No need to download this script, just run it on your terminal:
#
# curl -L git.io/sublimetext | sh
# Detect the architecture
@datenimperator
datenimperator / sqlite.rb
Created November 22, 2013 16:19
Speed up your Rails sqlite database for large dataset. This should be a Rails initializer, goes into config/initializers.
if ::ActiveRecord::Base.connection_config[:adapter] == 'sqlite3'
if c = ::ActiveRecord::Base.connection
# see http://www.sqlite.org/pragma.html for details
# Page size of the database. The page size must be a power of two between 512 and 65536 inclusive
c.execute 'PRAGMA main.page_size=4096;'
# Suggested maximum number of database disk pages that SQLite will hold in memory at once per open database file
c.execute 'PRAGMA main.cache_size=10000;'
@skyriverbend
skyriverbend / rails_switch_branch.py
Created November 15, 2012 05:54
Rails: Switch branches and run migrations
#!/usr/local/bin/python
"""
To use this script, you must be in the root directory of a Rails project that
is using git. You should also make sure that your directory does not contain any
uncommitted changes. Then run:
$ python rails_switch_branch.py name_of_another_branch
Running the above will do the following:
@marcelojunior
marcelojunior / gist:3708804
Created September 12, 2012 18:19
Inflections PT-BR Rails
# Be sure to restart your server when you modify this file.
# Add new inflection rules using the following format
# (all these examples are active by default):
# ActiveSupport::Inflector.inflections do |inflect|
# inflect.plural /^(ox)$/i, '\1en'
# inflect.singular /^(ox)en/i, '\1'
# inflect.irregular 'person', 'people'
# inflect.uncountable %w( fish sheep )
# end
@matejuh
matejuh / Makefile
Created January 18, 2012 20:31
Embedding a Ruby Interpreter
LIB=/home/matej/.rvm/rubies/ruby-1.9.2-p290/lib
INC=/home/matej/.rvm/rubies/ruby-1.9.2-p290/include/ruby-1.9.1/
CFLAGS=-I$(INC) -I/home/matej/.rvm/rubies/ruby-1.9.2-p290/include/ruby-1.9.1/i686-linux/ -g
LDFLAGS=-L$(LIB) -ldl -lruby1.9
embed2: embed2.o
$(CC) -o embed2 embed2.o $(LDFLAGS)