Search
 
SCRIPT & CODE EXAMPLE
 

RUBY

rollback specific migration rails

rake db:migrate:down VERSION=YOUR_MIGRATION_VERSION
Comment

rails rollback a migration

rake db:rollback STEP=1 #mention the number of migrations to rollback in STEP
# OR
rake db:migrate VERSION=20100905201547 # migration version
Comment

ruby on rails rollback migration

rake db:rollback STEP=5
Comment

PREVIOUS NEXT
Code Example
R :: r convert accented characters 
R :: outlier tagging boxplot r 
R :: R, how to count missing values in a column 
R :: paste no space r 
R :: drop columns by index r 
R :: r remove na from dataset 
R :: How to Export a DataFrame to Excel File in R 
R :: reverse row order dataframe R 
R :: how to transform days in years R 
R :: merge multiple data frames in r 
R :: fourier in R 
R :: R rename singl edf column 
R :: change from matrix to a dataframe in r 
R :: nls in r 
R :: ggplot2 black and white theme 
R :: reorder levels of a factor in r 
R :: create vector in r 
R :: quartile in r 
R :: for loop in R dictionary 
R :: autoplot confusion matrix 
R :: insert character into string r 
R :: R check object dimensions 
R :: to get the proportion of votes for the winning class in r 
R :: r - split the data in queal ranges 
R :: "R" multi-line comment 
R :: r studio 
Rust :: random number generator in rust 
Rust :: rust nested loop 
Rust :: rust write to file 
Rust :: rust iterate vector backwards 
ADD CONTENT
Topic
Content
Source link
Name
5+6 =