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 <[email protected]> | |
| * |