DeepLearning: What is the class of this images

http://rodrigob.github.io/are_we_there_yet/build/classification_datasets_results.html

Deep Learning: Technology Keywords

Deep Learning Technology Keywords.

Perceptron
Sigmoid function
Step function

gradient descent method
gradient ascent method

ReLU(Rectified Linear Unit)

SGD(stchastic gradient descent)

Momentum
AdaGrad
Adam

Bath Normalization

Weight decay
Dropout

CNN(convolutional neural network)
LeNet
AlexNet

VGG

GooLeNet
ResNet

[ANN] Rails 5.0.1 has been released!

I am happy to announce that Rails 5.0.1 has been released.

http://weblog.rubyonrails.org/2016/12/21/Rails-5-0-1-has-been-released/

Xamarin

■Xamarin
https://store.xamarin.com

Introduction of IoT protocol

■brillo
https://developers.google.com/brillo/

■zephyrproject

https://www.zephyrproject.org/

Microservice Framework

■Ruby
http://hanamirb.org/

■C#
https://azure.microsoft.com/ja-jp/services/service-fabric/

■Golang
https://blog.gopheracademy.com/advent-2015/goaUntanglingMicroservices/
http://open.blogs.nytimes.com/2015/12/17/introducing-gizmo/?_r=0
https://gokit.io/

■Python
https://nameko.readthedocs.io/en/stable/index.html

AI : hhoshina's site rails open source

https://hhoshina.info/
https://github.com/hhoshina/rails5

AI: Optical Character Recognition

https://hhoshina.info/photos/new

AI: Imagine recognition

https://hhoshina.info/photos/new

Rails: Passenger ver.5.0.30 Released

Error Message.

------

Your compiler failed with the exit status 4. This probably means that it ran out of memory. To solve this problem, try increasing your swap space:

------

$ sudo dd if=/dev/zero of=/swap bs=2M count=1024
$ sudo mkswap /swap
$ sudo swapon /swap

$ sudo passenger-install-apache2-module 

DeepLearning: FrameWorks

◾️TenserFlow
https://www.tensorflow.org/
MNIST
CNN
Word2Vec
RNN
Seq2Seq Model

◾️CNTK(Computational Network Toolkit)
https://github.com/Microsoft/CNTK

◾️Chainer
http://chainer.org/

◾️Caffe
http://caffe.berkeleyvision.org/

◾️PredictionIO
http://prediction.io/

◾️Amazon Machine Learning
https://aws.amazon.com/jp/machine-learning/

RubyOnRails : To Solve error and install activeadmin for rails ver.5.0.0

I wrote ↓
http://blog.hhoshina.info/2016/07/rubyonrails-rails-500-release.html

To solve this error and install activeadmin i uses the fallowing gem configuration in gem-file and it works well::

_

gem 'devise'
gem 'activeadmin', github: 'activeadmin/activeadmin'
gem 'inherited_resources', github: 'activeadmin/inherited_resources'

Gemfile sample  ↓
https://github.com/hhoshina/rails5/blob/master/Gemfile

WordPress: php setting

$ sudo yum install mod_php
$ sudo yum install php-mbstring

$ sudo vim /etc/php.ini
extension=mbstring.so

CentOS: from CentOS 6.5 to CentOS 7

https://wiki.centos.org/TipsAndTricks/CentOSUpgradeTool

$ cat /etc/redhat-release

CentOS release 6.8 (Final)

$ sudo yum -y install openscap pcre-devel libxml2-devel libxslt-devel

$ sudo yum -y install m2crypto python-simplejson

$ cd /etc/yum.repos.d

$ sudo vim upgradetool.repo 

[upg]

name=CentOS-$releasever - Upgrade Tool
baseurl=http://dev.centos.org/centos/6/upg/x86_64/
gpgcheck=1
enabled=1

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6

$ sudo yum install redhat-upgrade-tool preupgrade-assistant-contents

$ sudo su -

# preupg -s CentOS6_7

$ sudo reboot

$ sudo centos-upgrade-tool-cli --network 7 --instrepo=http://mirror.centos.org/centos/7/os/x86_64/

RubyOnRails: Rails 5.0.0 release

rails 5.0.0 release.

Rails5.0.0 I tried to install from rails5.0.0.rc2 , but resulted in an error.
"activeadmin" seemed because does not correspond to the rails5.0.0.

Click here for details
https://github.com/activeadmin/activeadmin/issues/4177
( not ActiveAdmin is broken, the Problem is inherited_resources and has_scope.)

https://github.com/hhoshina/rails5

RubyOnRail : If you use the ubuntu16.04, care must be taken

"gem mysql2" module does not work that it MariaDB10.1 on Ubuntu16.04
There is a need to install the Mysql5.6.
describe..
  https://github.com/brianmario/mysql2/issues/756

Vim: How to solve “requires python 2.x support” in linux vim

In Ubuntu/Lubuntu 16.04, I have success with installing vim-gnome-py2

$ sudo apt-get install vim-gnome-py2

Upgrade Ubuntu 14.04 to Ubuntu 16.04 – Server Upgrade

$ sudo apt-get update && sudo apt-get dist-upgrade

$ sudo reboot

$ sudo apt-get install update-manager-core

$ sudo vi /etc/update-manager/release-upgrades

$ sudo do-release-upgrade -d

$ sudo reboot

$ sudo apt-get install mariadb-server mariadb-client libmariadbd-dev libmariadb18

Ruby On Rails : hhoshina's site rails open source

https://hhoshina.info/
https://github.com/hhoshina/rails5

GoLang: MyPocket Authentication

https://mypocket.ntt.com/dev/
https://github.com/hhoshina/MyPocket

GoLang: WebFramework Revel

$ go get github.com/revel/revel

$ go get github.com/revel/cmd/revel

$ revel new github.com/myaccount/myapp

$ vim myapp/conf/app.conf

  http.port = 3000

$ revel run github.com/myaccount/myapp

Go Lang: Web Framework

◆Gin
https://gin-gonic.github.io/gin/
https://github.com/gin-gonic/gin

◆Revel
http://revel.github.io/
https://github.com/revel/revel

◆Iris
http://iris-go.com/
https://github.com/kataras/iris

Technical Development Guide

Technical Development Guide

https://www.google.com/about/careers/students/guide-to-technical-development.html

Ruby On Ralis : Active Admin for Rails5

https://github.com/activeadmin/activeadmin

$ vim Gemfile
gem 'activeadmin', github: 'activeadmin/activeadmin'
gem 'devise', github: 'plataformatec/devise'
gem 'kaminari',   github: 'amatsuda/kaminari', branch: '0-17-stable'


$ rails destroy devise:install
$ rails g active_admin:install

$ rails c
pry(main)> AdminUser.create!(:email => 'admin@example.com', :password => 'password', :password_confirmation => 'password')

$ rails db:migrate

$ rails generate active_admin:resource Twine

$ rails s

$ rails console -e production
pry(main)> AdminUser.create!(:email => 'admin@example.com', :password => 'password', :password_confirmation => 'password')

$ rails g active_admin:assets

$ vim config/initializers/kaminari.rb
Kaminari.configure do |config|
  config.page_method_name = :per_page_kaminari
end

RubyOnRail : Rails 5.0.0 rc release.

Rails 5.0.0 rc test.

【test site】

https://hhoshina.info/


【Point Memo】

1. Graph(kickchart)
 app/views/layouts/application.html.erb

 <%= javascript_include_tag "//www.google.com/jsapi", "chartkick" %>

 config/environments/production.rb

 config.assets.compile = true 

2. twitter-bootstrap 

 Gemfile

 gem 'twitter-bootstrap3-rails'

 $ rails g bootstrap:install static

 $ rails g bootstrap:layout application fluid

 3. google map 

   https://github.com/apneadiving/Google-Maps-for-Rails

BlockChain: Apply from Bitcoin

◆MasterCoin
http://www.omnilayer.org/

◆Ethereum
https://www.ethereum.org/

Ubuntu: Disk organize

$ sudo apt --installed list
$ sudo apt-get autoclean

$ sudo apt-get autoremove

$ sudo gem cleanup

$ sudo apt-get clean
$ dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d' | xargs sudo apt-get -y purge

Ubuntu: 14.04 LTS -> 16.04 LTS

$ sudo apt-get update
$ sudo apt-get upgrade
$ sudo apt-get dist-upgrade

---- challenge
$ sudo apt-get install update-manager-core
$ sudo do-release-upgrade

DropBox for Linux Server

https://www.dropbox.com/install?os=lnx

$ cd ~ && wget -O - "https://www.dropbox.com/download?plat=lnx.x86_64" | tar xzf -

$ crontab -e

---

@reboot ~/.dropbox-dist/dropboxd

$ ./dropbox.py help

Dropbox command-line interface

commands:

Note: use dropbox help <command> to view usage for a specific command.

 status       get current status of the dropboxd

 throttle     set bandwidth limits for Dropbox

 help         provide help

 puburl       get public url of a file in your dropbox's public folder

 stop         stop dropboxd

 running      return whether dropbox is running

 start        start dropboxd

 filestatus   get current sync status of one or more files

 ls           list directory contents with current sync status

 autostart    automatically start dropbox at login

 exclude      ignores/excludes a directory from syncing

 lansync      enables or disables LAN sync

 sharelink    get a shared link for a file in your dropbox

 proxy        set proxy settings for Dropbox

HTTP/2: Install

$ sudo add-apt-repository ppa:ondrej/apache2
$ sudo apt-get update
$ sudo apt-get install apache2
$ sudo a2ensite default-ssl
$ sudo a2emod http2
$ vim /etc/apache2/site-enaled/default-ssl.conf
------add----

<VirtualHost _default_:443>

 70  Protocols h2 http/1.1

---------------

$ sudo service apache2 restart

HTTP/2 : Support HTTP/2

blockchain: bitcoin install

$ sudo apt-add-repository ppa:bitcoin/bitcoin

$ sudo apt-get update

$ sudo apt-get install bitcoind bitcoin-qt

$ bitcoind

$ cd ~/.bitcoin

$ vim bitcoin.conf

-----

rpcuser=*********

rpcpassword=*********

server=1

daemon=1

-----

$ bitcoind -reindex

$ bitcoin-cli getblockcount

Blockchain: z.cash( Instead of bitcoin )

https://z.cash/

$ git clone https://github.com/Electric-Coin-Company/zcash.git
$ cd zcash/
$ ./zcutil/fetch-params.sh
$ sudo apt-get install \
    build-essential pkg-config libgtest-dev libc6-dev m4 \
    g++-multilib autoconf libtool ncurses-dev unzip git python \
    zlib1g-dev wget bsdmainutils
$ ./zcutil/build.sh