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- > by francis
- ## 工作周报
- ```shell
- git log --pretty=format:'%ci %s' --since='7 day'
- ```
- ## fix broken ubuntu or unity
- during use ubuntu, you must done some wrong thing, and you do not konw how to back, or can't understander what it's mean ...
- the best method is restore or reset, ubuntu-deskdop or unity ...
- three tips:
- ```shell
- sudo spt-get remove --purge ubuntu-desktop;sudo apt-get install ubuntu-desktop;sudo reboot;
- sudo apt-get remove --purge unity;sudo apt-get install unity;reboot;
- # if you unity have some incorrent setting, you can
- sudo apt-get install myunity
- #then type
- myunity
- ```
- <pre>
- (Permit.where "name like '%category_base%'").collect{ |p| p.destroy}
- mysql -u root -p # 没有密码,直接回车
- UPDATE mysql.user SET password=PASSWORD('root') WHERE user='root';
- flush privileges; # 更新密码
- service mysqld restart # 重启
- # 建立名为test的数据库
- create database askjane_development;
- create database askjane_test;
- create database askjane_production;
- create database auth;
- create database recommendation;
- mysqldump -uroot -proot askjane_development category_bases > category_bases.sql
- rails generate scaffold_controller recommend/recommend_users position:string name:string body:text created_at:datetime updated_at:datetime
- rails generate scaffold_controller profiles user_id:integer real_name:string nickname:string level_id:integer gender:boolean face:file birthday:date degree:string city:string phone:phone child_birthday:date baby_gender:integer profession:string expert_field:text hobby:string focus_tags_on:text pregnancy_status:integer agerange:integer pregnancy_timeline:integer label:string weibo:string
- Knowledge.tag_counts_on(:categories).each do |c|
- puts "#{c.name} #{c.count}"
- end
- #sudo apt-get install magick libmagickcore-dev
- #sudo apt-get install libmagickwand-dev
- #gem install rmagick -v '2.13.1'
- #gem 'rmagick', '~> 2.13.1'
- sudo yum install ImageMagick-devel.x86_64 ImageMagic
- </pre>
- ```ruby
- class Hash
- module ClassMethods
- def self.replace_key(old_key, new_key)
- self[new_key] = self[old_key]
- self.delete(new_key)
- end
- end
- end
- h.keys.each do |key|
- h[new_keys[key]] = h[key] # add entry for new key
- k.delete(key) # remove old key
- end
- ```
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