Ivan Pavliuk ivan-pavliuk

foreignfilm / String+ContainsEmoji.swift

Last active March 2, 2018 13:06 — forked from Ziewvater/gist:998b5806b0d12e4cf35b

Determining if a Swift string contains emoji characters (or other dingbats)

	extension String {

	var containsEmoji: Bool {
	for scalar in unicodeScalars {
	switch scalar.value {
	case 0x1F600...0x1F64F, // Emoticons
	0x1F300...0x1F5FF, // Misc Symbols and Pictographs
	0x1F680...0x1F6FF, // Transport and Map
	0x2600...0x26FF, // Misc symbols
	0x2700...0x27BF, // Dingbats

willthink / contact.m

Last active March 6, 2023 20:05

Using CNContactStore in Objective C to query contacts info

	#import <Contacts/Contacts.h>

	@implementation ContactsScan

	- (void) contactScan
	{
	if ([CNContactStore class]) {
	//ios9 or later
	CNEntityType entityType = CNEntityTypeContacts;
	if( [CNContactStore authorizationStatusForEntityType:entityType] == CNAuthorizationStatusNotDetermined)

ricardopereira / GradientLayer + Mask + TableView.swift

Last active July 19, 2023 16:59

Apply vertical mask alpha gradient to UITableView

	let gradient = CAGradientLayer()

	gradient.frame = tableView.superview?.bounds ?? CGRectNull
	gradient.colors = [UIColor.clearColor().CGColor, UIColor.clearColor().CGColor, UIColor.blackColor().CGColor, UIColor.blackColor().CGColor, UIColor.clearColor().CGColor, UIColor.clearColor().CGColor]
	gradient.locations = [0.0, 0.15, 0.25, 0.75, 0.85, 1.0]
	tableView.superview?.layer.mask = gradient

	tableView.backgroundColor = UIColor.clearColor()

tomasbasham / UIImage+Scale.m

Last active February 1, 2024 19:04

Scale a UIImage to any given rect keeping the aspect ratio

	@implementation UIImage (scale)

	/**
	* Scales an image to fit within a bounds with a size governed by
	* the passed size. Also keeps the aspect ratio.
	*
	* Switch MIN to MAX for aspect fill instead of fit.
	*
	* @param newSize the size of the bounds the image must fit within.
	* @return a new scaled image.