Do lambda expressions have any use other than saving lines of code? Are there any special features provided by lambdas which solved problems which weren't easy
I want to mock a query provided on my repository like this: @Test public void GetByEmailSuccessful() { // setup mocks Mockito.when(this.personRepo.find
I have a large pandas dataframe where I want to count the number of values above a threshold (zero) in each column grouped by the values in one name column. Th
I have 5 dictionaries and I want a union of their keys. alldict = [dict1, dict2, dict3, dict4, dict5] I tried allkey = reduce(lambda x, y: set(x.keys()).un
What's the performance difference (if there is any) between these three approaches, both used to transform an array to another array? Using foreach Using array
New to AWS and found it quite straightforward so far but really getting stuck packaging a lambda function. I'm using node-lambda to try and run the function bu