python (12.9k questions)

javascript (9.2k questions)

reactjs (4.7k questions)

java (4.2k questions)

java (4.2k questions)

c# (3.5k questions)

c# (3.5k questions)

html (3.3k questions)

Questions - stdin

Golang segment stdin stream to file

instead of writing a pipe to a huge file i want to segment the stream in chunks on signal USR1. i think i got the basics working but the app just hangs and nothing happens, any clues or best practices...
test-img

JRSmile

go

stdin

Votes: 0

Answers: 1

Latest Answer

So you need to io.CopyN(dst, src, 4096) in the loop and rotate the file once in a while. See example. I made rotation by size but it is easy to add signal handling. package main import ( "fm...
test-img

serge-v

How to completely clear stdin and the \n before scanf()

Environment: Windows 7 Enterprise SP1 gcc version 6.3.0 (MinGW.org GCC-6.3.0-1) I'm new to C language (not new to programming). I'm migrating a big program to C language. All works fine except for t...
test-img

Maurizio

c

stdin

Votes: 0

Answers: 2

Latest Answer

The C Standard says that fflush(stdin) has undefined behavior. You should not use it to flush pending input even on platforms where it seems to have the expected effect. There is no portable way to fl...
test-img

chqrlie

Capturing the *complete* output stream of a child_process in NodeJS

I've been trying to capture the output of a child_process for a while now. The following code example is my current attempt. Code: // Spawning a shell var terminal = require('child_process').spawn(`sh...
test-img

santcleep

node.js

stdout

stdin

child-process

stdio

Votes: 0

Answers: 1

Latest Answer

It is not possible to show the prompt from a child process shell because bash (and I assume other shells) don't output the prompt to stdout. See this post for details. You can simulate it by writing t...
test-img

kevintechie

I am trying to take two input dates in vscode in windows in GNU g++ compiler. But I get first date set to zero after I enter second date?

When given the first.date in the first print output the result is good. But as soon as the second scanf line comes into picture it changes the first.date value to zero. So in the last printf line the ...
test-img

Rakesh Solanki

c

scanf

stdin

fflush

Votes: 0

Answers: 0

Posts

Questions

Blogs

Jobs