koji

#!/usr/bin/env perl
use strict;
use warnings;

my @array1; # 配列

# 3回入力する
for my $i (1..3) {
  print $i."番目";
	chomp($array1[$i-1] = <STDIN>);

koji

#!/usr/bin/env perl
use strict;
use warnings;

for my $i (1..100) {
   if ($i%15 == 0) {
      print "FizzBuzz\n";
   } elsif ($i%5 == 0 ) {
      print "Buzz\n";
   } elsif ($i%3 == 0 ) {

koji

#!/usr/bin/env perl
#use strict;
#use warnings;

my @array = qw ( 0123 123 XXX);
print "表示："."@array\n";

my $num = join '-' , @array;
print "電話番号的なもの："."$num\n";

koji

If you hit 
rbenv install --list 
There isn't 2.1.0.

You should try this.

cd "$(rbenv root)"/plugins/ruby-build && git pull


CentOS rbenv + ruby-build

koji

Step1
yum install iptables-services

Step2
to start iptables 起動
systemctl start iptables 

to stop iptables 停止
systemctl stop iptables

koji

If you want to install php5.4, you have to introduce epel and remi to install php5.4.


If you don't have wget, you have to do this, but if you have wget, you don't need this step.

Step1. Install wget

sudo yum install wget -y

koji

tar Jxvf FileName.tar.xz

or

tar -Jxvf FileName.tar.xz

If you get an error and don't have xz, you have to install this like below

sudo yum install xz

koji

If you can't install ruby2.0 or later with rbenv, you should check you installed those already.

sudo yum -y install libyaml libyaml-devel zlib zlib-devel readline readline-devel openssl openssl-devel libxml2 libxml2-devel libxslt libxslt-devel

If you finish installing those, you can install ruby2.0 or later probably.


And you should confirm which you can install

rbenv install -l

koji

#httpd
sudo yum -y install httpd
sudo service httpd start
sudo chkconfig httpd on

#iptables
sudo service iptables stop
sudo chkconfig iptables off

#epel & remi

koji

You have had to install ruby on your machine. 

Update gem
gem update --system

Install rails without documents because it's going to be faster than with documents
gem install rails --no-ri --no-rdoc