Parameter passing to std::accumulate

Advertisements My reference is to the example provided under the following: std::accumulate I am trying to constrast the following usage of std::next in the example, std::string s = std::accumulate( std::next(v.begin()), v.end(), std::to_string(v[0]), // start with first element dash_fold ); with the usage example provided for std::next Given that in the referred to example for std::accumulate… Read More Parameter passing to std::accumulate

Can you get enter two functions or values in Lambda function

Advertisements Sorry if the question is confusing or stupid but basically in a sorted function I want Lambda to check the names and if they both have the same name check to see which house comes for example def get_name(list): return list[‘Names’], list[‘House’] would check the name then the house they’re in can lambda do… Read More Can you get enter two functions or values in Lambda function

C++ Lambda Local Variable Capturing Error

Advertisements I am trying to use a lambda expression to make inorderTraversal function reusable, and I am having the following error while trying to capture the local parameters of printStandartDeviation function: No viable conversion from ‘(lambda at […]/AVLTree.cpp:[…])’ to ‘void (*)(AVLTree::TreeNode *)’. void AVLTree::printStandartDeviation() { int totalWordCount = 0, totalWordFrequencies = 0; inorderTraversal(root, [&totalWordCount, &totalWordFrequencies](TreeNode… Read More C++ Lambda Local Variable Capturing Error

How to return multiple comma-delimited column matches in Excel where columns equal same value?

Advertisements I’ve been trying to figure out a way to do this using Lambda formulas, I’ve been testing different variations of textjoin/bycol/sumproduct formulas but can’t seem to get the result quite right. I can accomplish this using a Filter formula, but when I’m using this formula for 15000+ rows, it takes a lot of processing… Read More How to return multiple comma-delimited column matches in Excel where columns equal same value?

Empty List prints when trying to use a lambda mapping function on a filtered list

Advertisements The problem I am working on requries the use of lambda mapping and filtering. The code should take the input array of arrays, filter out any negative values, and then square the remaining values. In the code below, the "print(list(my_list))" properly prints "[[1, 2, 6], [3, 4]]" but the "print(list(final))" returns an empty list… Read More Empty List prints when trying to use a lambda mapping function on a filtered list