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Ruby on Rails: How do I add placeholder text to a f.text_field?
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271
With rails >= 3.0, you can simply use the placeholder option.
f.text_field :attr, placehol...
Equivalent of “continue” in Ruby
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Yes, it's called next.
for i in 0..5
if i < 2
next
end
puts "Value of local variable is #{i}"
end
This outputs the following:
Value of local variable is 2
Value of local variable is 3
Value of local variable is 4
Value of local variable is 5
=> 0..5
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Extracting bits with a single multiplication
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236
Very interesting question, and clever trick.
Let's look at a simple example of getting a sing...
What was the strangest coding standard rule that you were forced to follow? [closed]
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112 Answers
112
Active
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Python Requests - No connection adapters
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2 Answers
2
Active
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C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ p
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2264
+250
First...
How to move a file?
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1421
os.rename(), shutil.move(), or os.replace()
All employ the same syntax:
import os
import shut...
How do I replace multiple spaces with a single space in C#?
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24 Answers
24
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