nyg’s gists

nyg / kraken-ledger.js

Created May 30, 2014 21:32

Get all entries of your Kraken.com ledger.

	/* Querying your ledger through Kraken's API only return 50 results... */

	var KrakenClient = require('kraken-api'); // https://github.com/nothingisdead/npm-kraken-api
	var kraken = new KrakenClient('api_key', 'api_secret');

	var ledger = [];
	var offset = 0;

	function getLedgerEntries (error, data) {

nyg / iOSCreatePDF.swift

Last active December 28, 2024 04:12

iOS, Swift: Create a PDF file from an HTML string.

	// Thanks to http://www.labs.saachitech.com/2012/10/23/pdf-generation-using-uiprintpagerenderer
	// Note: including images in the HTML won't work, see here:
	// https://github.com/nyg/HTMLWithImagesToPDF

	import UIKit

	// 1. Create a print formatter

	let html = "<b>Hello <i>World!</i></b>"
	let fmt = UIMarkupTextPrintFormatter(markupText: html)

nyg / fk_delete_recursive.sql

Last active August 25, 2017 08:01

Oracle: delete a row and all rows preventing it to be deleted because of "child record found" errors.

	DECLARE
	-- ORA-02292: integrity constraint (OWNER.FK) violated - child record found
	ora_02292 EXCEPTION;
	PRAGMA EXCEPTION_INIT(ora_02292, -2292);

	l_foreign_key VARCHAR2(400);

	PROCEDURE delete_row(pi_table IN VARCHAR2,
	pi_column IN VARCHAR2,
	pi_value IN VARCHAR2) IS

nyg / fk_generate_delete.sql

Created January 11, 2017 10:03

Oracle: outputs the necessary delete statements to delete a row and all rows preventing it from being deleted because of "child record found" error.

	DECLARE
	g_level INTEGER := 0;
	g_owner VARCHAR2(10) := 'owner';

	PROCEDURE find_fk(pi_table IN VARCHAR2,
	pi_where IN VARCHAR2) IS
	l_where VARCHAR2(500);
	l_pad VARCHAR2(100);
	BEGIN
	g_level := g_level + 1;

nyg / enlarge_image.php

Last active February 27, 2024 22:15

Enlarge a given image.

	<?php

	$filename = $argv[1];
	$growthFactor = $argv[2];

	list($width_orig, $height_orig) = getimagesize($filename);

	$width = $width_orig * $growthFactor;
	$height = $height_orig * $growthFactor;

nyg / sequence_iterator.swift

Last active September 20, 2017 11:41

Implementing Sequence & IteratorProtocol, Swift 3

nyg / UIApplicationDelegate.swift

Created July 10, 2017 14:30

Adding `shared` property to UIApplicationDelegate

	// https://stackoverflow.com/a/45014628/5536516

	extension UIApplicationDelegate {

	static var shared: Self {
	return UIApplication.shared.delegate! as! Self
	}
	}

	/*

nyg / Uptime.swift

Last active April 1, 2024 21:35

Get boot time and uptime for macOS & iOS.

	// https://stackoverflow.com/a/45068046/5536516

	import Foundation

	func kernelBootTime() -> timeval {

	var mib = [ CTL_KERN, KERN_BOOTTIME ]
	var bootTime = timeval()
	var bootTimeSize = MemoryLayout<timeval>.size

nyg / yql_json.html

Created August 6, 2017 13:27

Using Yahoo Query Language (YQL) to get JSON from an external URL and bypass the Access-Control-Allow-Origin restriction.

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<title>Using YQL to get JSON from an external URL</title>
	<meta charset="utf-8" />
	</head>
	<body>
	<pre id='json'></pre>
	<script src="https://code.jquery.com/jquery-3.2.1.min.js" integrity="sha256-hwg4gsxgFZhOsEEamdOYGBf13FyQuiTwlAQgxVSNgt4=" crossorigin="anonymous"></script>
	<script>

nyg / uptime.c

Last active January 14, 2025 22:45

Get boot time and uptime on macOS in C.