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What's with 181783497276652981 and 8682522807148012 in Random (Java 7)?
Why were 181783497276652981 and 8682522807148012 chosen in Random.java ?
3 Answers
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Aligning UIToolBar items
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259
Add two UIBarButtonSystemItemFlexibleSpace items to your toolbar, to the left and right of your...
split string in to 2 based on last occurrence of a separator
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answered Sep 8 '11 at 16:59
Petar IvanovPetar Ivanov
80.8k77 gold badges7272 silver badges8787 bronze badges
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Understand homebrew and keg-only dependencies
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Bonifacio2
2,59144 gold badges2828 silver badges4242 bronze badges
answered Jun 10 '13 at 4:07
echristophersonechr...
difference between each.with_index and each_with_index in Ruby?
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edited Nov 28 '13 at 5:18
answered Nov 28 '13 at 5:09
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How to print something without a new line in ruby
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answered Jan 4 '12 at 6:54
Sergio TulentsevSergio Tulentsev
203k3636 gold badges337337 silver badges336336 bronze badges
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Select rows which are not present in other table
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+500
There are basically 4 techniques for this task, all of them standard SQL.
NOT EXISTS
Often fastest in Postgres.
SELECT ip
FROM...
Rails migrations: Undo default setting for a column
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Rails 5+
def change
change_column_default( :table_name, :column_name, from: nil, to: false )
end
Rails 3 and Rails 4
def up
change_column_default( :table_name, :column_name, nil )
end
def down
change_column_default( :tab...
Loop through each row of a range in Excel
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151
Dim a As Range, b As Range
Set a = Selection
For Each b In a.Rows
MsgBox b.Address
Next
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How do I use a file grep comparison inside a bash if/else statement?
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205
From grep --help, but also see man grep:
Exit status is 0 if any line was selected, 1 otherw...