type-conversion Archives - Page 2 of 6

Checking if a string can be converted to float in Python

I’ve got some Python code that runs through a list of strings and converts them to integers or floating point numbers if possible. ...

May 21, 2022
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How to convert QString to std::string?

I am trying to do something like this: QString string; // do things... std::cout << string << std::endl; but the code doesn’t compile. ...

May 19, 2022
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Convert columns to string in Pandas

I have the following DataFrame from a SQL query: (Pdb) pp total_rows ColumnID RespondentCount 0 -1 2 1 3030096843 1 2 3030096845 1 ...

May 16, 2022
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How to convert a data frame column to numeric type?

How do you convert a data frame column to a numeric type? 18 Answers 18

May 16, 2022
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How to convert / cast long to String?

I just created sample BB app, which can allow to choose the date. DateField curDateFld = new DateField("Choose Date: ", System.currentTimeMillis(), DateField.DATE | ...

May 15, 2022
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Convert String to double in Java

How can I convert a String such as "12.34" to a double in Java? 14 Answers 14

May 15, 2022
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Setting a property by reflection with a string value

I’d like to set a property of an object through Reflection, with a value of type string. So, for instance, suppose I have ...

May 12, 2022
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Convert string to integer type in Go?

I’m trying to convert a string returned from flag.Arg(n) to an int. What is the idiomatic way to do this in Go? 5 ...

May 11, 2022
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Does it make sense to use “as” instead of a cast even if there is no null check? [closed]

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, ...

May 11, 2022
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How do you change the datatype of a column in SQL Server?

I am trying to change a column from a varchar(50) to a nvarchar(200). What is the SQL command to alter this table? 10 ...

May 9, 2022
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