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AppDelegate.swift
Jeroen Wesbeek 4np
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| func getLux() { | |
| guard let serviceType = IOServiceMatching("AppleLMUController") else { | |
| debugPrint("No ambient light sensor") | |
| return | |
| } | |
| // get and release service | |
| let service = IOServiceGetMatchingService(kIOMasterPortDefault, serviceType) | |
| defer { | |
| IOObjectRelease(service) |
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| private func getActiveDisplays() -> [CGDirectDisplayID] { | |
| var displayCount: UInt32 = 0 | |
| // get the number of active displays | |
| guard CGGetActiveDisplayList(0, nil, &displayCount) == .success else { | |
| return [] | |
| } | |
| // get the active displays | |
| let allocated = Int(displayCount) |
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| # 100 connections, 10 second duration, 4 threads | |
| wrk -c 100 -d 10 -t 4 http://localhost:8080 |
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| //: Playground - noun: a place where people can play | |
| import UIKit | |
| //[{ | |
| // "508d49e5d7200200b96d45a3ce6103c4":[{ // filter widget id | |
| // "table":"incident", | |
| // "filter":"categoryINsoftware" | |
| // }], | |
| // "id":”508d49e5d7200200b96d45a3ce6103c4” // filter widget id |
4np
/ createMacOSSierraInstallMedia.md
Last active
June 6, 2017 11:53
Create Mac OS Sierra Install Media
After formatting an USB drive and naming it SierraBootInstall, execute the following line:
sudo /Applications/Install\ macOS\ 10.13\ beta.app/Contents/Resources/createinstallmedia --volume /Volumes/SierraBootInstall --applicationpath /Applications/Install\ macOS\ 10.13\ beta.app --nointeraction &&say Done
- Copy or symlink the
iPhoneOS.Platform'sDeviceSupportinto Xcode 8 (guide):
sudo ln -s /Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/11.0\ \(15A5278f\) /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/11.0
- Make sure you use the right xcode tools:
4np
/ performance-methods.md
Created
September 25, 2017 08:50
Useful methods related to performance on iOS devices
A list of methods and functions to use when optimizing your iOS application for performance.
- snapshotViewAfterScreenUpdates: (returns a snapshot view based on the contents of the current view)
- NSProcessInfo.thermalState (check whether the device is already working hard)
- UIDevice.batteryState (check whether the battery is full, charging or unplugged)
- UIDevice.batteryLevel (determine the charge level of the battery)
- NSProcessInfo.isLowPowerModeEnabled (check whether or not the user is trying to spare the battery)
- [UIAccessibilityIsReduceMot
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| import Foundation | |
| extension UIView { | |
| class func fromNib<T : UIView>() -> T { | |
| //swiftlint:disable:next force_unwrapping | |
| return Bundle.main.loadNibNamed(String(describing: T.self), owner: nil, options: nil)![0] as! T | |
| } | |
| } |
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| #!/usr/bin/env bash | |
| #source: https://9to5mac.com/2017/10/17/how-to-erase-macbook-pro-touch-bar-before-selling/ | |
| xartutil --erase-all |