I currently have this program that prints a text file on the console, but every line has an extra new line below it. if the text was hello world it would output hello world the code is this #...

please explain it to me that what is the dfference between puts(string name) and fputs(string name,stdout) both of them have the same output especially when I use fgets(string name,n,stdin) for get...

In a book that I'm reading, it's written that printf with a single argument (without conversion specifiers) is deprecated. It recommends to substitute printf("Hello World!"); with puts("Hello W...

Could someone explain to me why in ruby console (version 2.3.4) trying to print hashes these work: puts({a: 'a', b: 'b'}) puts(a: 'a', b: 'b') puts a: 'a', b: 'b' puts [a: 'a', b: 'b'] <<<...

array = Array.new(10) { Array.new(10 , 0)} array.each { |x| print x } Prints out one single line of ten [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. If I were to change print to puts, I then get 100 0 down ...

I am doing a ctf problem and there is a line i can't understand. int (*fp)(char *)=(int(*)(char *))&puts, i; Can anyone explain me what does this mean?

I've came across a weird thing doing simple tasks in Ruby. I just want to iterate the alphabet with the each method but the iteration goes first in the execution: alfawit = ("a".."z") puts "That's...

If everything is an object in Ruby, to the point that even math operators are methods applied to objects, when I write: puts "Hello world" The method is puts, and the parameter is "Hello world",...

I'm pretty new to programming and wanted to ask why I get the same result with different code. I'm actually reading a book and the example in the book is with printf (also in Assembler). In t...

I know you can print with printf() and puts(). I can also see that printf() allows you to interpolate variables and do formatting. Is puts() merely a primitive version of printf(). Should it be us...

I am calling to_s within a method: $ def my_function(num) $ number = num.to_s.split(//) $ puts number $ end $ my_function(233) 2 3 3 # => nil It looks to me like within the function, no arra...

I know this may seem like a really simple question, but it really bothers me that my puts keep generating "=> nil" and I scoured for an answer but could not find one. Thanks. puts 'blink ' *4 ...

I wrote a madlib in Ruby, and want to save the resulting madlib to a txt file. This is what I wrote, but the resulting txt file is empty: file=File.open("madlib_output.txt","a") file.puts file.clo...

I'm trying to use "puts" to test a few things with a Sinatra app that's hosted on Heroku. Interestingly, the output seems to queue up and only displays upon restarting the Heroku dyno. I've tried w...

I am not sure if this question is too silly but I haven't found a way to do it. Usually to puts an array in a loop I do this current_humans = [.....] current_humans.each do |characteristic| puts...

As the title, is there any way to use color texts at expect shell? Like the shell script echo command below. echo -e "\033[32m Hello World"

I was wondering the difference between puts() and printf() functions while using sleep() function. Here is my code(In C language): printf("hello, world"); sleep(1); printf("Good, bye!"); After ...

I'm executing an Active Record query in controller. And now I want to view all of its contents weather it is in the form of array or object. I want to see the structure in which the data is being r...