Slides compartilhados do 13º encontro do Floripa On Rails. https://www.meetup.com/Floripa-on-Rails/events/237861972/

1. H f
Rede: __________
Senha: __________
hosted by supported by

2. ● 19:30 Terminal
● 20:00 Coding
● 20:45 Debugging
● 21:00 Sharing
● 21:30 Happy hour
A

3. T

4. ● Shell basics (Jônatas)
● Tmux (Weverton)T

5. T ● What is a
multiplexer?
● First steps
● Plugins via TPM
● Tips and tricks
@wevtimoteo

6. @jonatasdp
● Readline shortcuts
● Aliases
● Functions
● Special variables !!,!$
B

7. ● (CTRL - a) Begin of line
● (CTRL - e) End of line
● (ESC + b) Backward one word
● (ESC + L) Forward one word
● (CTRL - s) Search
● (CTRL - r) Reverse search
● (CTRL - p) Previous line history
R

9. ● alias vim=nvim
● alias be='bundle exec'
● alias bi='bundle install'
● alias g!="git commit -am"
● alias g+="git add"
● alias g-="git rm"
M

10. kill $(ps aux | grep 'rails' | awk '{print $2}')
function k9(){
kill $(ps aux | grep $1 | awk '{print $2}')
}
k9 rails
B f

11. !! -> last line
!$ -> last parameter
$! -> first function argument
$* -> all function arguments
B

12. vim my/file/with/a/deep/path.rb
git add !$
git commit !$ -m “Add deep path file”
!! -> last line
!$ -> last parameter
B

13. C

14. ● Vim (Weverton e Lucas)
● Guard (Weverton)
● TDD (Mats)
● Benchmarking (Karla)
C

15. V ● Vi, Vim or Neovim?
● Vimtutor
● VimL
● Plugins management?
Pathogen, Vundle,
Plugged
● Tips and tricks

16. G
● What is guard?
● guard/listen gem
● Guardfile DSL
● Tips and tricks
@wevtimoteo

17. TDD
● What is TDD?
● Why TDD?
● When not to use TDD
● Tips and tricks
@g8M guih /guih

19. TDD
● What is TDD?
● Why TDD?
● When not to use TDD
● Tips and tricks
@g8M guih /guih

21. TDD
● What is TDD?
● Why TDD?
● When not to use TDD
● Tips and tricks
@g8M guih /guih

22. B
● New Relic
● Benchmark (Ruby)
karlamaria@gmail.com

23. require 'new_relic/agent/method_tracer'
class Transformer
include ::NewRelic::Agent::MethodTracer
…
def select_events
…
end
def process_events
…
end
def update_events
…
end
add_method_tracer :select_events, 'Custom/select_events'
add_method_tracer :process_events, 'Custom/process_events'
add_method_tracer :update_events, 'Custom/update_events'
end

24. require 'benchmark'
class Updater
...
def update
...
end
...
end
class NewUpdater
def update
...
end
...
end
...
Benchmark.bm do |x|
x.report("New Updater") { NewUpdater.new.load(events);nil }
x.report("Actual Updater") { Updater.new.load(events);nil }
end

25. $ ruby bench_update_events.rb
user system total real
Actual Updater: 1.533333 0.016667 1.550000 ( 1.503462)
New Updater: 1.050000 0.000000 1.050000 ( 0.735473)

26. ● IRB and Pry (Jônatas)
● Code search (Parazito)

27. with `ag` and `grep`
● Basic usage
● Search in a specific file
● Search the current directory for
all files
● Recursively search directories
● Insensitive case
● Highlight match with color
● Number of occurrences in a file
● grep and regex
● curl and grep
@parazito

28. ● REPL
● binding.pry
● cd object
● ls
● show-method
● exit-program
P
@jonatasdp

29. S

30. ● Linters (Jônatas, Rafael)
● Better commit messages (Henrich)
● Gitlab workflow (Brodock )
● Code Review (Jaison)
● Docker (Pery)
S

31. ● What is this?
● Why use?
● Ruby Style Guide
R C

32. ● gem pronto
● Add runners
● Repository integration
● formatters
● Running
P
rafael.besen@geekhunter.com.br

33. ● Setup docker &
docker-compose for
rails
● Using Docker with
Rails
● Tips and tricks
● Useful Aliases
D
@perylemke
github.com/perylemke