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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...
Java Array Sort descending?
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340
You could use this to sort all kind of Objects
sort(T[] a, Comparator<? super T> c)
Ar...
Is floating point math broken?
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2341
Binary floating point math is like this. In most programming languages, it is based on the IEEE...
How to disable an Android button?
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edited Sep 1 '14 at 19:00
hichris123
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Is Java “pass-by-reference” or “pass-by-value”?
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6014
+150
Java is ...
How to detect the current OS from Gradle
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edited Dec 4 '19 at 11:53
Peter Mortensen
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How to print a query string with parameter values when using Hibernate
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450
You need to enable logging for the the following categories:
org.hibernate.SQL - set to ...
AngularJS : Difference between the $observe and $watch methods
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4 Answers
4
Active
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The difference between bracket [ ] and double bracket [[ ]] for accessing the elements of a list or
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edited Sep 21 '18 at 13:41
Mus
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answered Ju...
how to implement a pop up dialog box in iOS
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Suragch
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answered Feb 14 '11 at 4:56
donkimdonkim
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