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How do I edit an existing tag message in git?
We have several annotated tags in our git repository. The older tags have bogus messages that we would like to update to be in our new style.
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In Matlab, when is it optimal to use bsxfun?
My Question: I've noticed that a lot of good answers to Matlab questions on SO frequently use the function bsxfun . Why?
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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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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.
16 Answers
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It is more efficient to use if-return-return or if-else-return?
Suppose I have an if statement with a return . From the efficiency perspective, should I use
8 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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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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How can I distribute python programs?
My application looks like this:
7 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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