Top "Concatenation" questions

How to concatenate characters in java?

How do you concatenate characters in java? Concatenating strings would only require a + between the strings, but concatenating chars using + …

java character concatenation

How to concatenate int values in java?

I have the following values: int a=1; int b=0; int c=2; int d=2; int e=1; How do i concatenate these …

java integer concatenation string-concatenation

Concatenate two NumPy arrays vertically

I tried the following: >>> a = np.array([1,2,3]) >>> b = np.array([4,5,6]) >>> np.…

python arrays numpy concatenation

Fast way to concatenate strings in nodeJS/JavaScript

I understand that doing something like var a = "hello"; a += " world"; It is relatively very slow, as the browser does …

javascript string node.js concatenation

is the + operator less performant than StringBuffer.append()

On my team, we usually do string concatentation like this: var url = // some dynamically generated URL var sb = new StringBuffer(); …

javascript string concatenation

Concatenate multiple files but include filename as section headers

I would like to concatenate a number of text files into one large file in terminal. I know I can …

unix header terminal concatenation cat

Scala list concatenation, ::: vs ++

Is there any difference between ::: and ++ for concatenating lists in Scala? scala> List(1,2,3) ++ List(4,5) res0: List[Int] = List(1, 2, 3, 4, 5) scala&…

list scala concatenation

Is it better practice to use String.format over string Concatenation in Java?

Is there a perceptible difference between using String.format and String concatenation in Java? I tend to use String.format …

java string concatenation string.format

What does ${} (dollar sign and curly braces) mean in a string in Javascript?

I haven't seen anything here or on MDN. I'm sure I'm just missing something. There's got to be some documentation …

javascript string variables concatenation

how to merge 200 csv files in Python

Guys, I here have 200 separate csv files named from SH (1) to SH (200). I want to merge them into a single …

python csv merge concatenation