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URL to load resources from the classpath in Java
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14 Answers
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MySQL - Rows to Columns
... 3 |
| 2 | A | 9 |
| 2 | C | 40 |
+--------+----------+-----------+
This will be our goal, the pretty pivot table:
select * from history_itemvalue_pivot;
+--------+------+------+------+
| hostid | A | B | C |
+--------+------+------+------+
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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...
Python JSON serialize a Decimal object
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edited Sep 1 at 14:12
Dewald Abrie
1,12355 silver badges1919 bronze badges
answered Dec 25 '09 ...
How to handle ListView click in Android
...ng through to a video)
– Sauron
Feb 4 '14 at 3:18
First, the class must implements the click listenener : implements...
How to have an auto incrementing version number (Visual Studio)? [duplicate]
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634
If you add an AssemblyInfo class to your project and amend the AssemblyVersion attribute to end ...
Recursive Lock (Mutex) vs Non-Recursive Lock (Mutex)
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edited Jul 2 '19 at 8:46
answered Oct 10 '08 at 1:09
Ta...
Linux command (like cat) to read a specified quantity of characters
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194
head works too:
head -c 100 file # returns the first 100 bytes in the file
..will extract th...
Paging with Oracle
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147
Something like this should work: From Frans Bouma's Blog
SELECT * FROM
(
SELECT a.*, rown...
How to bind inverse boolean properties in WPF?
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498
You can use a ValueConverter that inverts a bool property for you.
XAML:
IsEnabled="{Binding...