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This came up in Hidden features of Python, but I can’t see good documentation or examples that explain how the feature works. 4 Answers 4
package main import ( "fmt" "strings" ) func main() { reg := [...]string {"a","b","c"} fmt.Println(strings.Join(reg,",")) } gives me an error of: prog.go:10: cannot use reg (type [3]string) as type...
What is the Go way for extracting the last element of a slice? var slice int slice = append(slice, 2) slice = append(slice, 7) slice[len(slice)-1:]...
Looking the “Array” section in the bash(1) man page, I didn’t find a way to slice an array. So I came up with this overly complicated function: #!/bin/bash #...
I stumbled onto this neat shortcut for converting a DOM NodeList into a regular array, but I must admit, I don’t completely understand how it works: .slice.call(document.querySelectorAll('a'), 0) So...
fmt.Println("Enter position to delete::") fmt.Scanln(&pos) new_arr := make(int, (len(arr) - 1)) k := 0 for i := 0; i < (len(arr) - 1); { if i != pos {...
What are the most common pandas ways to select/filter rows of a dataframe whose index is a MultiIndex? Slicing based on a single value/label Slicing based on multiple labels...
This Python code: import numpy as p def firstfunction(): UnFilteredDuringExSummaryOfMeansArray = MeanOutputHeader=['TestID','ConditionName','FilterType','RRMean','HRMean', 'dZdtMaxVoltageMean','BZMean','ZXMean','LVETMean','Z0Mean', 'StrokeVolumeMean','CardiacOutputMean','VelocityIndexMean'] dataMatrix = BeatByBeatMatrixOfMatrices[column] roughTrimmedMatrix = p.array(dataMatrix[1:,1:17]) trimmedMatrix = p.array(roughTrimmedMatrix,dtype=p.float64) #ERROR THROWN HERE myMeans =...
I load some machine learning data from a CSV file. The first 2 columns are observations and the remaining columns are features. Currently, I do the following: data =...
To declare an empty slice, with a non-fixed size, is it better to do: mySlice1 := make(int, 0) or: mySlice2 :=...