Top "Colon-equals" questions

For questions regarding the `:=` operator available in several languages

Assign multiple columns using := in data.table, by group

What is the best way to assign to multiple columns using data.table? For example: f <- function(x) {…

r dataframe data.table variable-assignment colon-equals
What does ":=" do?

I've seen := used in several code samples, but never with an accompanying explanation. It's not exactly possible to google its …

operators colon-equals
What does colon equal (:=) in Python mean?

What does the := operand mean, more specifically for Python? Can someone explain how to read this snippet of code? node := …

python colon-equals
:= vs = in make macros

Possible Duplicate: What is the difference between the GNU Makefile variable assignments =, ?=, := and +=? I only know very basic makefile syntax, …

makefile gnu-make colon-equals
no new variables on left side of :=

What's happening here? package main import "fmt" func main() { myArray :=[...]int{12,14,26} ; fmt.Println(myArray) myArray :=[...]int{11,12,14} //error pointing on this …

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What is the := operator?

In some programming languages, I see (ex.): x := y What is this := operator generally called and what does it do?

syntax programming-languages operator-keyword colon-equals
What's the difference between := and = in Makefile?

For variable assignment in Make, I see := and = operator. What's the difference between them?

makefile gnu-make colon-equals
What' s the difference between <= and := in VHDL

Currently, I am learning some FPGA design techniques using VHDL, my problem is whether we can use := and <= interchangeably …

embedded logic vhdl colon-equals
what does this symbol mean := in sql

what does this mean := in sql ? if found some sql using like that symbol example select col1, col2, @pv:=col3 …

mysql sql colon-equals
What is the difference between := and = in Oracle PL/SQL

I want to know in Oracle PL/SQL, = can be used for Boolean comparison, can it be used for assignment …

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