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Ruby get object keys as array
I am new to Ruby, if I have an object like this
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PHP variables in anonymous functions
I was playing around with anonymous functions in PHP and realized that they don't seem to reach variables outside of them.
Is there any way to get around this problem?
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How do I iterate through the alphabet?
In Python, could I simply ++ a char? What is an efficient way of doing this?
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How can I tell which homebrew formulae are upgradable?
...times without running brew upgrade , how do I get a list of all apps that could be upgraded?
1 Answer
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To find whether a column exists in data frame or not
I have a data.frame with the name "abcframe"
4 Answers
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Spring: Why do we autowire the interface and not the implemented class?
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How can I retrieve the remote git address of a repo?
How can I retrieve the remote git address of a repo?
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How can I add an ampersand for a value in a ASP.net/C# app config file value
I've got a C# program with values in a config file. What I want is to store ampersands for an url value like...
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