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@IhorYachmenov
IhorYachmenov / VPNIKEv2Setup.swift
Created October 13, 2020 07:32
Example how configure VPN profile based on IKEv2 protocol use NEVPNManager with certificate authentication, example was be tested on real devices, server use AlgoVPN.
import Foundation
import NetworkExtension
class VPNIKEv2Setup {
static let shared = VPNIKEv2Setup()
let vpnManager = NEVPNManager.shared()
func initVPNTunnelProviderManager() {
@dabrahams
dabrahams / ConcurrentMap.swift
Last active April 3, 2024 04:59
Concurrent Map Implementations, Benchmarked
// See commentary below this gist.
import Foundation
import QuartzCore
// Implementation from https://talk.objc.io/episodes/S01E90-concurrent-map
public final class ThreadSafe<A> {
var _value: A
let queue = DispatchQueue(label: "ThreadSafe")
init(_ value: A) { self._value = value }
@nalexn
nalexn / CancelBag.swift
Last active November 1, 2023 06:43
Collecting AnyCancellable tokens in declarative SwiftUI fashion
// Copyright © 2019 Alexey Naumov. MIT License
import Combine
typealias CancelBag = Set<AnyCancellable>
extension CancelBag {
mutating func collect(@Builder _ cancellables: () -> [AnyCancellable]) {
formUnion(cancellables())
}
@chockenberry
chockenberry / Debug.swift
Last active April 11, 2024 13:22
Debug and release logging in Swift that's reminiscent of NSLog()
//
// Debug.swift
//
// Created by Craig Hockenberry on 3/15/17.
// Updated by Craig Hockenberry on 2/20/24.
// Usage:
//
// SplineReticulationManager.swift:
//
@discardableResult
public func with<T>(_ value: T, _ builder: (T) -> Void) -> T {
builder(value)
return value
}
@discardableResult
public func with<T>(_ value: T, _ builder: (T) throws -> Void ) rethrows -> T {
try builder(value)
return value
name download_total
AFNetworking 61983241
Fabric 50998892
Crashlytics 49667729
SDWebImage 45471101
Alamofire 42097177
CocoaLumberjack 36071914
Bolts 35294870
FirebaseInstanceID 30277793
FirebaseAnalytics 30254593
@DougGregor
DougGregor / dynamic_member_lookup_environment.swift
Created May 2, 2018 16:59
Using Swift 4.2's @dynamicMemberLookup to expose environment variables
import Darwin
@dynamicMemberLookup
struct Environment {
subscript(dynamicMember name: String) -> String? {
get {
guard let value = getenv(name) else { return nil }
return String(validatingUTF8: value)
}
@DenTelezhkin
DenTelezhkin / MeasureAppStartupTime.swift
Last active November 27, 2023 07:28
Measure iOS app startup time, in seconds, from the time user tapped an icon on the home screen (using time, when app process was created). Swift 4.
// Returns number of seconds passed between time when process was created and function was called
func measureAppStartUpTime() -> Double {
var kinfo = kinfo_proc()
var size = MemoryLayout<kinfo_proc>.stride
var mib : [Int32] = [CTL_KERN, KERN_PROC, KERN_PROC_PID, getpid()]
sysctl(&mib, u_int(mib.count), &kinfo, &size, nil, 0)
let start_time = kinfo.kp_proc.p_starttime
var time : timeval = timeval(tv_sec: 0, tv_usec: 0)
gettimeofday(&time, nil)
let currentTimeMilliseconds = Double(Int64(time.tv_sec) * 1000) + Double(time.tv_usec) / 1000.0
@smileyborg
smileyborg / InteractiveTransitionCollectionViewDeselection.m
Last active January 15, 2023 13:03
Animate table & collection view deselection alongside interactive transition (for iOS 11 and later)
// UICollectionView Objective-C example
- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
NSIndexPath *selectedIndexPath = [[self.collectionView indexPathsForSelectedItems] firstObject];
if (selectedIndexPath != nil) {
id<UIViewControllerTransitionCoordinator> coordinator = self.transitionCoordinator;
if (coordinator != nil) {
[coordinator animateAlongsideTransition:^(id<UIViewControllerTransitionCoordinatorContext> context) {
exec > /tmp/${PROJECT_NAME}_archive.log 2>&1
UNIVERSAL_OUTPUTFOLDER=${BUILD_DIR}/${CONFIGURATION}-universal
if [ "true" == ${ALREADYINVOKED:-false} ]
then
echo "RECURSION: Detected, stopping"
else
export ALREADYINVOKED="true"