function similar to getchar

C’s getchar() example: #include <stdio.h> void main() { char ch; ch = getchar(); printf(“Input Char Is :%c”,ch); } Go equivalent: package main import ( “bufio” “fmt” “os” ) func main() { reader := bufio.NewReader(os.Stdin) input, _ := reader.ReadString(‘\n’) fmt.Printf(“Input Char Is : %v”, string([]byte(input)[0])) // fmt.Printf(“You entered: %v”, []byte(input)) } The last commented line just … Read more

Console.log in Dart Language

Simple: print(‘This will be logged to the console in the browser.’); A basic top-level print function is always available in all implementations of Dart (browser, VM, etc.). Because Dart has string interpolation, it’s easy to use that to print useful stuff too: var a = 123; var b = Point(2, 3); print(‘a is $a, b … Read more

How do I create an executable from Golang that doesn’t open a console window when run?

The documentation found online says I can compile with something along the lines of, go build -ldflags -Hwindowsgui filename.go But this gives an error: unknown flag -Hwindowsgui With more recent (1.1?) versions of the compiler, this should work: go build -ldflags -H=windowsgui filename.go When I continued searching around I found a note that the official … Read more

How to run rake tasks from console?

Running your Rake tasks requires two steps: Loading Rake Loading your Rake tasks You are missing the second step. Normally this is done in the Rakefile, but you have to do it manually here: require ‘rake’ Rails.application.load_tasks # <– MISSING LINE Rake::Task[‘my_task’].invoke

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)