大约有 15,100 项符合查询结果(耗时:0.0309秒) [XML]

https://stackoverflow.com/ques... 

How to load db:seed data into test database automatically?

...d the data. load "#{Rails.root}/db/seeds.rb" # or Rails.application.load_seed Where to place that depends on what testing framework you are using and whether you want it to be loaded before every test or just once at the beginning. You could put it in a setup call or in a test_helper.rb file. ...
https://stackoverflow.com/ques... 

How to get Erlang's release version number from a shell?

... erl -eval 'erlang:display(erlang:system_info(otp_release)), halt().' -noshell share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Creating a Pandas DataFrame from a Numpy array: How do I specify the index column and column headers

...es edit: as in the @joris comment, you may need to change above to np.int_(data[1:,1:]) to have correct data type. share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

SQL DROP TABLE foreign key constraint

...this SQL (if you're on SQL Server 2005 and up): SELECT * FROM sys.foreign_keys WHERE referenced_object_id = object_id('Student') and if there are any, with this statement here, you could create SQL statements to actually drop those FK relations: SELECT 'ALTER TABLE [' + OBJECT_SCHEMA_NAME...
https://stackoverflow.com/ques... 

Saving enum from select in Rails 4.1

...: f.input :color, :as => :select, :collection => Wine.colors.keys.to_a Which generated the following HTML: <select id="wine_color" name="wine[color]"> <option value=""></option> <option value="red">red</option> <option value="white">white</option...
https://stackoverflow.com/ques... 

How do I properly escape quotes inside HTML attributes?

...useover='alert(123);' foo='"); ?>' /> - make sure you use it with ENT_QUOTES, this is safe: <option value='<?php echo htmlentities("' onmouseover='alert(123);' foo='", ENT_QUOTES); ?>' /> , but in addition to ENT_QUOTES you should also add ENT_SUBSTITUTE and ENT_DISALLOWED, person...
https://stackoverflow.com/ques... 

Difference between Math.Floor() and Math.Truncate()

...ound cha cha, real smooth... (go to closest side) Let's go to work! (⌐□_□) To the left... Math.floor Take it back now y'all... -- Two hops this time... -=2 Everybody clap your hands ✋✋ How low can you go? Can you go down low? All the way to the floor? if (this == "wrong") return "i don...
https://stackoverflow.com/ques... 

Rails DB Migration - How To Drop a Table?

...ically, you can see how to drop a table using the following approach: drop_table :table_name share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

Source unreachable when using the NuGet Package Manager Console

...belongs here: https://nuget.codeplex.com/discussions/561075#PostDetailsCell_1354351, to "jpharris4". share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

unix - head AND tail of file

... 10; my @buf = (); while (<>) { print if $. <= $size; push(@buf, $_); if ( @buf > $size ) { shift(@buf); } } print "------\n"; print @buf;' share | improve this answer | ...