Posts by Rafael • 191 points
9 posts
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2
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answers425
viewsQ: How to unify all columns Datagridview C#
I would like to join all cells(columns) of a row (Row) of a Datagridview, ie I would like to have a line without side borders in cells. Something in the style:…
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votes1
answer172
viewsA: Error while exporting Datagridview to Datatable
I managed to Resolve, just use the following line: planilha.Cells[i + linha, j + 1] = String.Format("{0:MM/dd/yyyy}", data);
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votes1
answer172
viewsQ: Error while exporting Datagridview to Datatable
I am trying to generate an Excel spreadsheet based on a Datatable, all data are in the given format, but the Date format is in the American standard ("MM/dd/YYYY"). Follow the function code:…
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votes4
answers447
viewsA: C# Textbox to stop receiving after comma
I managed to solve the problem, follow the solution: public static void verificarCasasPosVirgula(object sender, KeyPressEventArgs e, String Texto) { if(Texto.Contains(',')){ int posicaoVirgula =…
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votes4
answers447
viewsQ: C# Textbox to stop receiving after comma
I need a textbox to stop receiving values after the comma, once it reaches 2 houses. To simplify, think that the text has limit after the comma, but none before it. Example: Type the number 2.99.…
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4
votes1
answer757
viewsQ: R does not create graph correctly
I am using R to generate table charts, with two fields (company name and sales quantity), when using barplot, it is not putting the right values in the fields. For example, if sales were 500,000 it…
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5
votes1
answer2745
viewsQ: R how to generate a time series?
I would like to know how to generate a time series of a file that has two columns (date and value), but the date is in the following format yyyy-MM-dd. When I use the ts() command, it replaces the…
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1
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answers56
viewsQ: Mapreduce. Does not perform Reduce function correctly
Hello. I’m having a hard time working with Mapreduce. Whenever I run the application I get no result, because apparently the Map function runs, but the Reduce function remains at 0%. When I check…
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votes3
answers464
viewsQ: Components are not in class R
I’m building an agenda, and for that I’ve created a Activity where would be a list of all contacts: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"…