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Rails migration for has_and_belongs_to_many join table
...; ActiveRecord::Base
has_and_belongs_to_many :teachers
end
for rails 4:
rails generate migration CreateJoinTableStudentTeacher student teacher
for rails 3:
rails generate migration students_teachers student_id:integer teacher_id:integer
for rails < 3
script/generate migration stu...
Iterate over object attributes in python
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answered Jul 24 '12 at 18:54
MeithamMeitham
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Close virtual keyboard on button press
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php var_dump() vs print_r()
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edited Jun 24 '19 at 10:38
Script47
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Fastest way to find second (third…) highest/lowest value in vector or column
... min lq mean median uq max neval
Rfast 160.364 179.607 202.8024 194.575 210.1830 351.517 100
maxN 396.419 423.360 559.2707 446.452 487.0775 4949.452 100
order 1288.466 1343.417 1746.7627 1433.221 1500.7865 13768.148 100
For 1 million numbers:
N =...
Hidden Features of Visual Studio (2005-2010)?
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votes
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Why do we need the “event” keyword while defining events?
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Field-like events and public fields of delegate types look similar, but are actually very diffe...
How To Set Text In An EditText
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answered Jan 4 '11 at 14:40
Kevin CoppockKevin Coppock
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FragmentPagerAdapter getItem is not called
...d me alot.
– Priya
Jun 26 '13 at 11:40
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Hate to be another 'me too!' post, but yeah >.< Th...
Regular Expression to get a string between parentheses in Javascript
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You need to create a set of escaped (with \) parentheses (that match the parentheses) and a gr...