Top "String-concatenation" questions

String concatenation is the operation of joining two character strings end-to-end.

String.Format vs "string" + "string" or StringBuilder?

Possible Duplicates: Is String.Format as efficient as StringBuilder C# String output: format or concat? What is the performance priority …

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C string concatenation of constants

One of the answers to Why do you not use C for your web apps? contains the following: For the …

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Linq Aggregate complex types into a string

I've seen the simple example of the .net Aggregate function working like so: string[] words = { "one", "two", "three" }; var res = …

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pyspark generate row hash of specific columns and add it as a new column

I am working with spark 2.2.0 and pyspark2. I have created a DataFrame df and now trying to add a new …

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How to concatenate a String in EL?

How do I get the promoPrice variable to print as part of the string ONLY $4.67? <c:set var="promoPrice" …

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What are the differences between concatenating strings with cat() and paste()?

What are the differences between concatenating strings with cat and paste? In particular, I have the following questions. Why does …

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Memory usage of concatenating strings using interpolated vs "+" operator

I see the benefit of using interpolated strings, in terms of readability: string myString = $"Hello { person.FirstName } { person.LastName }!" over …

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T-SQL: issue with string concat

I have a set of audio files with names GreenLine1.mp3, GreenLine2.mp3 e.t.c. I'm going to write …

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How to concatenate Strings in EL expression?

I need to create a callback for <h:commandButton> while as a parameter I need to pass an …

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