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Import a module from a relative path

How do I import a Python module given its relative path? 22 Answers 22 ...
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List distinct values in a vector in R

How can I list the distinct values in a vector where the values are replicative? I mean, similarly to the following SQL statement: ...
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How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?

I am trying to write a program where the names of some functions are dependent on the value of a certain macro variable with a macro like this: ...
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Create a File object in memory from a string in Java

I have a function that accepts File as an argument. I don't want to create/write a new File (I don't have write access to filesystem) in order to pass my string data to the function. I should add that the String data don't exist in a file (so I cannot read my data from a file). ...
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The tilde operator in C

I've seen the tilde operator used in the ELF hashing algorithm, and I'm curious what it does. (The code is from Eternally Confused .) ...
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Javascript reduce on array of objects

Say I want to sum a.x for each element in arr . 15 Answers 15 ...
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How to pass multiple parameters in a querystring

I have three values which I have to pass as parameters for e.g., strID , strName and strDate . 6 Answers ...
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How to conditionally push an item in an observable array?

I would like to push a new item onto an observableArray , but only if the item is not already present. Is there any "find" function or recommended pattern for achieving this in KnockoutJS? ...
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How to break out from a ruby block?

Here is Bar#do_things : 7 Answers 7 ...
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Argparse optional positional arguments?

I have a script which is meant to be used like this: usage: installer.py dir [-h] [-v] 3 Answers ...