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What is Ruby equivalent of Python's `s= “hello, %s. Where is %s?” % (“John”,“Mary”)`
...he easiest way is string interpolation. You can inject little pieces of Ruby code directly into your strings.
name1 = "John"
name2 = "Mary"
"hello, #{name1}. Where is #{name2}?"
You can also do format strings in Ruby.
"hello, %s. Where is %s?" % ["John", "Mary"]
Remember to use square brack...
How to extract text from a string using sed?
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The pattern \d might not be supported by your sed. Try [0-9] or [[:digit:]] instead.
To only print the actual match (not the entire matching line), use a substitution.
sed -n 's/.*\([0-9][0-9]*G[0-9][0-9]*\).*/\1/p'
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Getting current directory in .NET web application
... imageUploader: {
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Spring: Why do we autowire the interface and not the implemented class?
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What does the WPF star do (Width=“100*”)
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Git push to wrong branch
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Assign format of DateTime with data annotations?
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I was able to resolve this by format parameter in Html.TextBoxFor. By setting it to @Html.TextBoxFor(model => model.YOUR_DATE, "{0:MM/dd/yyyy}") I was able to get just the date to display. Found this here [stackoverflow.com/a/14529347/2938775].
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How can I add a boolean value to a NSDictionary?
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What events does an fire when it's value is changed?
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How do I combine two data frames?
...first dataframe df1 with the values of second dataframe df2. you can do it by following steps —
Step 1: Set index of the first dataframe (df1)
df1.set_index('id')
Step 2: Set index of the second dataframe (df2)
df2.set_index('id')
and finally update the dataframe using the following snippet...