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Convert data.frame column to a vector?
I have a dataframe such as:
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Deny access to one specific folder in .htaccess
I'm trying to deny users from accessing the site/includes folder by manipulating the URL.
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Why do we use volatile keyword? [duplicate]
I have never used it but I wonder why people use it? What does it exactly do? I searched the forum, I found it only C# or Java topics.
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Test iOS app on device without apple developer program or jailbreak
How can I test an iOS application on my iPod Touch without registering for the Apple Developer Program or jailbreaking my iPod?
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Grouping functions (tapply, by, aggregate) and the *apply family
Whenever I want to do something "map"py in R, I usually try to use a function in the apply family.
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How to get evaluated attributes inside a custom directive
I'm trying to get an evaluated attribute from my custom directive, but I can't find the right way of doing it.
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How to suppress “unused parameter” warnings in C?
For instance:
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jQuery get specific option tag text
All right, say I have this:
21 Answers
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C++ Object Instantiation
I'm a C programmer trying to understand C++. Many tutorials demonstrate object instantiation using a snippet such as:
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Operator overloading in Java
Please can you tell me if it is possible to overload operators in Java? If it is used anywhere in Java could you please tell me about it.
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