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Rails hidden field undefined method 'merge' error
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You should do:
<%= f.hidden_field :service, :value => "test" %>
hidden_field expects a hash as a second argument
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What does __FILE__ mean in Ruby?
...differently from what Luke Bayes said in his comment. With these files:
# test.rb
puts __FILE__
require './dir2/test.rb'
# dir2/test.rb
puts __FILE__
Running ruby test.rb will output
test.rb
/full/path/to/dir2/test.rb
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Maven2 property that indicates the parent directory
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Don't put "test" for the phase. Caused me a variety of problems. Works great as shown above.
– ElectronicBlacksmith
Jan 22 '18 at 17:44
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How do I capitalize first letter of first name and last name in C#?
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String test = "HELLO HOW ARE YOU";
string s = CultureInfo.CurrentCulture.TextInfo.ToTitleCase(test);
The above code wont work .....
so put the below code by convert to lower then apply the function
String test = "HELLO HOW ARE ...
How to tell if a string is not defined in a Bash shell script
...x" ]; then echo VAR is set but empty; fi
You probably can combine the two tests on the second line into one with:
if [ -z "$VAR" -a "${VAR+xxx}" = "xxx" ]; then echo VAR is set but empty; fi
However, if you read the documentation for Autoconf, you'll find that they do not recommend combining terms...
Ruby - test for array
...king is for Java. Go ahead and just call count on the variable. Write unit tests to make sure the method works as expected.
– user132447
Mar 21 '12 at 14:55
14
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git ahead/behind info between master and branch?
I have created a branch for testing in my local repo ( test-branch ) which I pushed to Github .
5 Answers
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What's the difference between jQuery's replaceWith() and html()?
...two ways of using html() and replaceWith() Jquery functions.
<div id="test_id">
<p>My Content</p>
</div>
1.) html() vs replaceWith()
var html = $('#test_id p').html(); will return the "My Content"
But the
var replaceWith = $('#test_id p').replaceWith(); will return ...
How do I show the value of a #define at compile-time?
... reflect the revised terminology. (Both terms, incidentally, are equally detestable. The correct term is, of course, stringifaction. Be ready to update your links.)) operator. This acts only on the arguments of a macro and replaces the unexpanded argument with the argument enclosed in double quotes....
Why can't I have abstract static methods in C#?
...xample.
With the following code:
public class A
{
public static void Test()
{
}
}
public class B : A
{
}
If you call B.Test, like this:
class Program
{
static void Main(string[] args)
{
B.Test();
}
}
Then the actual code inside the Main method is as follows:
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