Re: Disable wrilten buf in docker

[zoujiaqing via Digitalmars-d-learn]

On Tuesday, 12 March 2024 at 15:44:08 UTC, Steven Schveighoffer 
wrote:

On Tuesday, 12 March 2024 at 06:36:09 UTC, zoujiaqing wrote:

Hi, my application use writeln in docker don't display.


Python add -u disable it.
https://stackoverflow.com/questions/29663459/why-doesnt-python-app-print-anything-when-run-in-a-detached-docker-container



Use setvbuf to switch to line buffering. Then you don’t have to 
manually flush everything


https://en.cppreference.com/w/c/io/setvbuf

-Steve


Thank you Steve!

how to use it in global?

Re: Disable wrilten buf in docker

[Steven Schveighoffer via Digitalmars-d-learn]

On Tuesday, 12 March 2024 at 06:36:09 UTC, zoujiaqing wrote:

Hi, my application use writeln in docker don't display.


Python add -u disable it.
https://stackoverflow.com/questions/29663459/why-doesnt-python-app-print-anything-when-run-in-a-detached-docker-container



Use setvbuf to switch to line buffering. Then you don’t have to 
manually flush everything


https://en.cppreference.com/w/c/io/setvbuf

-Steve

Re: Disable wrilten buf in docker

[john rath via Digitalmars-d-learn]

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Re: Disable wrilten buf in docker

[zoujiaqing via Digitalmars-d-learn]

On Tuesday, 12 March 2024 at 06:39:40 UTC, Richard (Rikki) Andrew 
Cattermole wrote:

On D's side you can use ``stdout.flush;`` to force it to flush.

I don't think there is a way to force flushing via CLI.


OK, thank you!

Problem solved!

Use code:

```D
std.stdio.stdout.flush();
```

Re: Disable wrilten buf in docker

[Richard (Rikki) Andrew Cattermole via Digitalmars-d-learn]

On D's side you can use ``stdout.flush;`` to force it to flush.

I don't think there is a way to force flushing via CLI.