Formatting in percent by Intl.NumberFormat in JavaScript

Because 25.1 is 2510%. Percentages are fractions of 100. If you had 100% it would be 100/100 which is equal to 1. So 25.1% is 25/100 or 0.251 not 25.1 var discount = 0.251; var option = { style: ‘percent’, minimumFractionDigits: 2, maximumFractionDigits: 2 }; var formatter = new Intl.NumberFormat(“en-US”, option); var discountFormat = formatter.format(discount); … Read more

Java Double to String conversion without formatting

Use a fixed NumberFormat (specifically a DecimalFormat): double value = getValue(); String str = new DecimalFormat(“#”).format(value); alternatively simply cast to int (or long if the range of values it too big): String str = String.valueOf((long) value); But then again: why do you have an integer value (i.e. a “whole” number) in a double variable in … Read more

Jackson @JsonFormat set date with one day less

Use this solution, it is more effective and modern than my solution: https://stackoverflow.com/a/45456037/4886918 Thanks @Benjamin Lucidarme. I resolved my problem using: @Temporal(TemporalType.DATE) @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = “dd/MM/yyyy”, locale = “pt-BR”, timezone = “Brazil/East”) private Date birthDate; I changed timezone to “Brazil/East” or “America/Sao_Paulo” and working now Thanks

Java: unparseable date exception

What you’re basically doing here is relying on Date#toString() which already has a fixed pattern. To convert a Java Date object into another human readable String pattern, you need SimpleDateFormat#format(). private String modifyDateLayout(String inputDate) throws ParseException{ Date date = new SimpleDateFormat(“yyyy-MM-dd HH:mm:ss z”).parse(inputDate); return new SimpleDateFormat(“dd.MM.yyyy HH:mm:ss”).format(date); } By the way, the “unparseable date” exception … Read more

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