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Java - Including variables within strings?

Ok, so we all should know that you can include variables into strings by doing: 4 Answers ...
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How to access pandas groupby dataframe by key

How do I access the corresponding groupby dataframe in a groupby object by the key? 5 Answers ...
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Is there an R function for finding the index of an element in a vector?

In R, I have an element x and a vector v . I want to find the first index of an element in v that is equal to x . I know that one way to do this is: which(x == v)[[1]] , but that seems excessively inefficient. Is there a more direct way to do it? ...
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Set value of hidden input with jquery

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String replacement in Objective-C

How to replace a character is a string in Objective-C? 6 Answers 6 ...
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Encoding Javascript Object to Json string

I want to encode a Javascript object into a JSON string and I am having considerable difficulties. 2 Answers ...
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How to show what a commit did?

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Best practices around generating OAuth tokens?

I realize that the OAuth spec doesn't specify anything about the origin of the ConsumerKey, ConsumerSecret, AccessToken, RequestToken, TokenSecret, or Verifier code, but I'm curious if there are any best practices for creating significantly secure tokens (especially Token/Secret combinations). ...
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How to trigger jQuery change event in code

I have a change event that is working fine but I need to get it to recurse. 5 Answers ...
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How to convert a negative number to positive?

How can I convert a negative number to positive in Python? (And keep a positive one.) 6 Answers ...