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Questions - separator

Concatenate columns in R, but only keep separator if value exists

Does anyone know of a method in R to concatenate n columns but only keep the separator if there is a value in that row? If you run the example below: df <- data.frame( name1 = c(&...
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John Conor

r

dataframe

concatenation

paste

separator

Votes: 0

Answers: 1

Latest Answer

library(dplyr) library(tidyr) df %>% mutate_all(na_if,"") %>% unite("names", everything(), sep = ";", remove = F, na.rm = T) #> names name1 na...
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M--&#223;ţřịƙ&#239;&#241;ĝ

How do I add elements horizontally instead of vertically in PySimpleGUI?

I'm trying to get my GUI to have 2 "parts" (one left and one right), and naturally, adding elements to the layout just expands it vertically, so I tried doing a "left_part" layout ...
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Faindirnomainzein

python

user-interface

layout

separator

pysimplegui

Votes: 0

Answers: 1

Latest Answer

The layout in following form left, separator and right vertically or in rows. layout = [ [element1], [sg.HSeparator(pad=(500,0))], [element2], ] Should be like this layout = [ [elemen...
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Jason Yang

Split string without delimeters

I have df which contains a column with metro lines. The problem is that L9N and L10N appear sometimes in the same row and I want to split them into two different rows. I have been trying many things b...
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Berta_94

r

regex

separator

strsplit

Votes: 0

Answers: 3

Latest Answer

A data.table oneliner. It uses a lookbehind-lookahead regex "(?<=\[NS])(?=L)" to identify splitting points (between capital N (or S) and capital L), and then splits those rows, keeping th...
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Wimpel

JAVA - Parsing CSV File - Change delimiter

I have a problem and wanted to ask if someone can help me. I have a Java application that processes CSV files. The files have a semi-colon as a "delimiter". Now instead of semicolons I would...
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Michael2704

java

csv

delimiter

separator

Votes: 0

Answers: 2

Latest Answer

I used for parsing Spring Batch with the class FlatItemReaderBuilder. You can also use Spring Batch classes in non Spring application. Here you can find an example: https://www.petrikainulainen.net/pr...
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viglu

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