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How to check if a Ruby object is a Boolean
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138
Simplest way I can think of:
# checking whether foo is a boolean
!!foo == foo
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How do I check whether a jQuery elem>me m>nt is in the DOM?
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11 Answers
11
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Double vs single quotes
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answered Jun 18 '11 at 10:22
JitsJits
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How to break out from a ruby block?
...do |line| # Iterate over the lines in file f
next if line[0,1] == "#" # If this line is a comm>me m>nt, go to the next
puts eval(line)
end
When used in a block, break transfers control out of the block, out of the iterator that invoked the block, and to the first expression followin...
UPDATE and REPLACE part of a string
... so the following should work:
UPDATE dbo.xxx
SET Value = REPLACE(Value, '123\', '')
WHERE ID <=4
(I also added the \ in the replace as I assum>me m> you don't need that either)
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Defining an abstract class without any abstract m>me m>thods
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12 Answers
12
Active
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How can I easily convert DataReader to List? [duplicate]
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51
I have seen systems that use Reflection and attributes on Properties or fields to maps DataReade...
What is the use of GO in SQL Server Managem>me m>nt Studio & Transact SQL?
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311
It is a batch terminator, you can however change it to whatever you want
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How to remove part of a string? [closed]
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If you're specifically targetting "11223344", then use str_replace:
// str_replace($search, $replace, $subject)
echo str_replace("11223344", "","REGISTER 11223344 here");
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