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How to write a large buffer into a binary file in C++, fast?
I'm trying to write huge amounts of data onto my SSD(solid state drive). And by huge amounts I mean 80GB.
12 Answers
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Fastest way to replace NAs in a large data.table
I have a large data.table , with many missing values scattered throughout its ~200k rows and 200 columns. I would like to re code those NA values to zeros as efficiently as possible.
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Why should I not wrap every block in “try”-“catch”?
I have always been of the belief that if a method can throw an exception then it is reckless not to protect this call with a meaningful try block.
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Check if a class has a member function of a given signature
I'm asking for a template trick to detect if a class has a specific member function of a given signature.
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shortcut for creating a Map from a List in groovy?
I'd like some sorthand for this:
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How to convert an Int to a String of a given length with leading zeros to align?
How can I convert an Int to a 7-character long String , so that 123 is turned into "0000123" ?
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C++ unordered_map using a custom class type as the key
I am trying to use a custom class as key for an unordered_map , like the following:
3 Answers
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What is a “callable”?
Now that it's clear what a metaclass is , there is an associated concept that I use all the time without knowing what it really means.
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Does .asSet(…) exist in any API?
I'm looking for a very simple way to create a Set.
10 Answers
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How can I implement an Access Control List in my Web MVC application?
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3 Answers
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