Top "Println" questions

In programming, `println` generally prints out the arguments given, then moves to a new line for subsequent output.

Is there a way to print to the console in an Android app?

Can I run an Android app through the emulator and make it print strings to my computer's console? By console …

android println
java.lang.NullPointerException: println needs a message

I get the errror: java.lang.NullPointerException: println needs a message when I call this method: lst_info = new HashMap&…

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How to use println in Swift to format number

When logging-out a float in Objective-C you can do the following to limit your output to only 2 decimal places: float …

swift println nsformatter
IntelliJ System.out.println() - Cannot resolve method println(java.lang.String)

I am using IntelliJ IDEA, learning Java. All went well until yesterday, when the mentioned error occurred. I didn't make …

intellij-idea println
How to print a Vec?

I tried the following code: fn main() { let v2 = vec![1; 10]; println!("{}", v2); } But the compiler complains: error[E0277]: `std::vec::…

rust println
println vs System.out.println in Scala

I always thought that Predef.println was merely a shortcut for System.out.println, but apparently I am mistaken, since …

scala compatibility println
System.out.println function syntax in C++

I want to create a function in C++ using cout that has the same as the println function in java. …

java c++ println
Difference between fmt.Println() and println() in Go

As illustrated below, both fmt.Println() and println() give same output in Go: Hello world! But: how do they differ …

go println
How to `Serial.print()` "full" hexadecimal bytes?

I am programming Arduino and I am trying to Serial.print() bytes in hexadecimal format "the my way" (keep reading …

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Scala println in a for loop

The following Scala code does just what I expect it to - it prints each line of some_file.txt. …

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