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Rails migrations: self.up and self.down versus change
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110
For many operations rails can guess what is the inverse operation (without problems). For exam...
Preserve colouring after piping grep to grep
...o the following situation:
$ grep --color=always -e '1' * | grep -ve '12'
11
12
13
Even though the option -ve '12' should exclude the middle line, it will not because there are color characters between 1 and 2.
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Non-static method requires a target
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answered Oct 11 '13 at 4:26
Jim YuJim Yu
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Multiple select statements in Single query
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DanB
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answered Nov 21 '09 at 11:46
sathishsathish
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Strange \n in base64 encoded string in Ruby
...nes.
– Christoffer Hammarström
Jan 11 '11 at 14:03
15
So dumb! Why you do this to me, Ruby?
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Associativity of “in” in Python?
...EE
8 COMPARE_OP 6 (in)
11 JUMP_IF_FALSE 8 (to 22) #if first comparison is wrong
#then jump to 22,
14 POP_TOP
15 LOAD_CONST 2 ('a'...
In HTML5, is the localStorage object isolated per page/domain?
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edited Oct 23 '19 at 11:07
baHI
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answered Nov 17 '10 at 3:36...
What is `params.require(:person).permit(:name, :age)` doing in Rails 4?
... edited Aug 25 '14 at 15:31
0112
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answered Aug 25 '13 at 7:50
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Is there a simple way to remove unused dependencies from a maven pom.xml?
... and declared'
– Akhil S Kamath
Jul 11 '18 at 10:29
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How to use SQL Order By statement to sort results case insensitive?
...n04dan04
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