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<form class="button_to" method="post" action="/users/sign_out">
  <input type="hidden" name="_method" value="delete">
  <input type="submit" value="ログアウト">
  <input type="hidden" name="authenticity_token" value="（省略）">
</form>

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<% require 'pry'; binding.pry %>

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location.href = 'http://example.com';

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$ pry
Sorry, you can't use Pry without Readline or a compatible library.
Possible solutions:
 * Rebuild Ruby with Readline support using `--with-readline`
 * Use the rb-readline gem, which is a pure-Ruby port of Readline
 * Use the pry-coolline gem, a pure-ruby alternative to Readline
...

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$ anyenv install erlenv
$ exec $SHELL -l
$ brew install unixodbc wxmac fop
$ wget http://www.erlang.org/download/otp_src_19.1.tar.gz
$ tar zxf otp_src_19.1.tar.gz
$ cd otp_src_19.1
$ ./configure --prefix=$HOME/.anyenv/envs/erlenv/releases/19.1 --enable-dynamic-ssl-lib --with-ssl=/usr/local/opt/openssl
$ make -j 4
$ make install
$ erlenv global 19.1

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LCM = \frac{a \times b}{GCD}

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defmodule MyList do
  def sum([]), do: 0
  def sum([ head | tail ]), do: head + sum(tail)
end

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node_modules/
test/

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$ brew install qt@5.5
$ brew link --force qt55

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# See https://help.github.com/articles/ignoring-files for more about ignoring files.
#
# If you find yourself ignoring temporary files generated by your text editor
# or operating system, you probably want to add a global ignore instead:
#   git config --global core.excludesfile '~/.gitignore_global'

# Ignore bundler config.
/.bundle

# Ignore all logfiles and tempfiles.