xwh16

Keybase proof

I hereby claim:

• I am xwh16 on github.
• I am xwh16 (https://keybase.io/xwh16) on keybase.
• I have a public key ASDClNl79bwYdIM_08CCYyWWenEO6Hxi77q6lrGTuADMhAo

To claim this, I am signing this object:

xwh16

pragma solidity ^0.4.0;

contract Cui6 {
    event signal(uint indexed num);
    
    function testSignal() public {
        for (uint i=0; i<10; i++) {
            signal(i);
        }
    }

xwh16

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm