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@eleev
eleev / URLForPHAsset.swift
Last active February 17, 2024 23:56
Getting URL for PHAsset (Swift 3.0)
func getURL(ofPhotoWith mPhasset: PHAsset, completionHandler : @escaping ((_ responseURL : URL?) -> Void)) {
if mPhasset.mediaType == .image {
let options: PHContentEditingInputRequestOptions = PHContentEditingInputRequestOptions()
options.canHandleAdjustmentData = {(adjustmeta: PHAdjustmentData) -> Bool in
return true
}
mPhasset.requestContentEditingInput(with: options, completionHandler: { (contentEditingInput, info) in
completionHandler(contentEditingInput!.fullSizeImageURL)
})
@stzhyegeun
stzhyegeun / IPv6TestBed.md
Last active May 18, 2021 10:04
MAC을 이용하여 IPv6 테스트 환경을 만드는 방법

MAC을 이용하여 IPv6 테스트 환경 구성하기

애플에서 제공한 문서 에서 자세한 내용을 확인할 수 있습니다.

<중요> 테스트를 진행하 때는 반드시 로컬 IPv6 네트워크만 활성화 되어 있어야 합니다. 예를 들어 셀룰러 서비스가 켜져 있다면 비활성화 하여 Wi-Fi만으로 테스트가 진행되도록 설정해야 합니다.

환경구성 개요

(1) MAC 컴퓨터 (혹은 노트북)이 Wi-Fi가 아닌 방식으로 인터넷에 연결되어 있는 지 확인하세요.

(2) 시스템 환경 설정을 실행하세요.

@spalladino
spalladino / mysql-docker.sh
Created December 22, 2015 13:47
Backup and restore a mysql database from a running Docker mysql container
# Backup
docker exec CONTAINER /usr/bin/mysqldump -u root --password=root DATABASE > backup.sql
# Restore
cat backup.sql | docker exec -i CONTAINER /usr/bin/mysql -u root --password=root DATABASE
anonymous
anonymous / UIColor+Helper.swift
Created September 13, 2015 14:04
UIColor from Hex String in Swift
import UIKit
extension UIColor {
convenience init(hex: String, alpha: CGFloat = 1) {
assert(hex[hex.startIndex] == "#", "Expected hex string of format #RRGGBB")
let scanner = NSScanner(string: hex)
scanner.scanLocation = 1 // skip #
var rgb: UInt32 = 0
@JeOam
JeOam / Animation.md
Last active July 11, 2024 03:30
iOS Core Animation: Advanced Techniques, Part 1: The Layer Beneath

Author: https://www.cyanhall.com/

1. The Layer Tree

Core Animation's original name is Layer Kit

Core Animation is a compositing engine; its job is to compose different pieces of visual content on the screen, and to do so as fast as possible. The content in question is divided into individual layers stored in a hierarchy known as the layer tree. This tree forms the underpinning for all of UIKit, and for everything that you see on the screen in an iOS application.

In UIView, tasks such as rendering, layout and animation are all managed by a Core Animation class called CALayer. The only major feature of UIView that isn’t handled by CALayer is user interaction.

There are four hierarchies, each performing a different role:

@db0company
db0company / topMostViewController.swift
Created January 19, 2015 14:28
Get the top most viewController anywhere in the app (typically from the appDelegate). Get the current visible viewController.
extension UIViewController {
func topMostViewController() -> UIViewController {
if self.presentedViewController == nil {
return self
}
if let navigation = self.presentedViewController as? UINavigationController {
return navigation.visibleViewController.topMostViewController()
}
if let tab = self.presentedViewController as? UITabBarController {
if let selectedTab = tab.selectedViewController {
@Kartones
Kartones / postgres-cheatsheet.md
Last active November 15, 2024 21:14
PostgreSQL command line cheatsheet

PSQL

Magic words:

psql -U postgres

Some interesting flags (to see all, use -h or --help depending on your psql version):

  • -E: will describe the underlaying queries of the \ commands (cool for learning!)
  • -l: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)
@arnobroekhof
arnobroekhof / pre-commit
Last active July 31, 2024 14:52
Maven pre commit hook
#!/bin/bash
# save the file as <git_directory>/.git/hooks/pre-commit
echo "Running Maven clean test for errors"
# retrieving current working directory
CWD=`pwd`
MAIN_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
# go to main project dir
cd $MAIN_DIR/../../