This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.
To capture the video (filesize: 19MB), using the free "QuickTime Player" application:
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This is an example command for Backtick. A Backtick command consists of some executable JavaScript and a bit of metadata in JSON.
Here are the required steps to create a command:
Create a new Gist with a command.js
and command.json
file, or simply fork this one.
Write your JavaScript in command.js
. This will be injected into and executed on the page the user is currently on when they run it.
Add some metadata to the command.json
file:
#!/bin/sh | |
echo "-----BEGIN CERTIFICATE----- | |
MIIDCDCCAnGgAwIBAgIJAL/rbFkj0BMCMA0GCSqGSIb3DQEBCwUAMIGcMQswCQYD | |
VQQGEwJBVTERMA8GA1UECAwIVmljdG9yaWExEjAQBgNVBAcMCU1lbGJvdXJuZTEX | |
MBUGA1UECgwOSG9vcm9vIFB0eSBMdGQxITAfBgNVBAsMGEhvb3JvbyBTZWN1cml0 | |
eSAoSG9vU2VjKTEqMCgGA1UEAwwhSG9vcm9vIFByaW1hcnkgUm9vdCBDQSAtIElu | |
dGVybmFsMB4XDTE0MTIwMjAxMzQyMVoXDTI0MTEyOTAxMzQyMVowgZwxCzAJBgNV | |
BAYTAkFVMREwDwYDVQQIDAhWaWN0b3JpYTESMBAGA1UEBwwJTWVsYm91cm5lMRcw | |
FQYDVQQKDA5Ib29yb28gUHR5IEx0ZDEhMB8GA1UECwwYSG9vcm9vIFNlY3VyaXR5 |
/* | |
* STATICCALL Proxy | |
* | |
* It expects the input: | |
* 256 bit - address | |
* 256 bit - gas | |
* 256 bit - value | |
* n bit - calldata to be proxied | |
* | |
* And returns the output: |
pragma solidity ^0.4.0; | |
import "SafeMath.sol"; | |
import "IERC20Token.sol"; | |
/** | |
* @dev Implements a capped token sale using a second-price auction. | |
* | |
* @author Nick Johnson <arachnid@notdot.net> | |
* |