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What are important languages to learn to understand different approaches and concepts? [closed]
When all you have is a pair of bolt cutters and a bottle of vodka, everything looks like the lock on the door of Wolf Blitzer's boathouse. (Replace that with a hammer and a nail if you don't read xkcd)
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Replace all 0 values to NA
I have a dataframe with some numeric columns. Some row has a 0 value which should be considered as null in statistical analysis. What is the fastest way to replace all the 0 value to NULL in R?
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Multiline strings in VB.NET
Is there a way to have multiline strings in VB.NET like Python
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Find the most frequent number in a numpy vector
Suppose I have the following list in python:
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What are the most-used vim commands/keypresses?
I'm a Ruby programming trying to switch from Textmate to MacVim, and I'm having trouble wading through the gargantuan lists of things you can do in VIM and all of the keypresses for them. I'm tired of hearing "You can use 'I' for inserting text, or 'a' for appending text after the character, or 'A' ...
When is std::weak_ptr useful?
I started studying smart pointers of C++11 and I don't see any useful use of std::weak_ptr . Can someone tell me when std::weak_ptr is useful/necessary?
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Why does std::getline() skip input after a formatted extraction?
I have the following piece of code that prompts the user for their name and state:
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Javascript - sort array based on another array
Is it possible to sort and rearrange an array that looks like this:
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Integer division with remainder in JavaScript?
In JavaScript , how do I get:
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