mlavergn

### Keybase proof

I hereby claim:

  * I am mlavergn on github.
  * I am mlavergn (https://keybase.io/mlavergn) on keybase.
  * I have a public key whose fingerprint is 8322 4DCC 903F A130 6B31  F5F8 1324 A1FE 3100 63E2

To claim this, I am signing this object:

mlavergn

Commit messages for issues with an issue number should be prefixed in the form:

  proj://issue/123 hello world

If no open issue exists, the commit should indicate the nature of the change:

  Add: Add / update files
  Del: Remove files
 Fix: Bug fix

mlavergn

#!/usr/bin/make -f

.DEFAULT_GOAL := main

# eval trick to avoid re-execing variable
SEL = $(eval SEL := $$(shell read sel && echo $$$$sel))$(SEL)

102:
	sudo xcode-select -s /Applications/Xcode-102-10E125.app
	xcodebuild -version

mlavergn

import Foundation

// O(n) sort
// Technically O(n) since time measures complexity and not a fixed interval
// NOTE: This is just for fun, please don't use this in real applications!
func sleepSort(_ vals: [Int]) -> [Int] {
	var result: [Int] = []
	let sortDispatch = DispatchQueue(label: "sleepSort", qos: .userInitiated, attributes: .concurrent)
	let sortGroup = DispatchGroup()
	

mlavergn

import Foundation
import Combine

// register the observable name
extension Notification.Name {
    static let DemoObservable = Notification.Name("DemoObservable")
}

// define the observable value type
struct DemoValue {

mlavergn

import Foundation
import Combine

// define the observable value type
struct DemoValue {
    var value: String
}

// observable class
class DemoObservable {

mlavergn

#
# pseudo-script on adding support for a new iOS ver to an older Xcode
#

XCNEW="Xcode-113-11C505.app"
XCOLD="Xcode-110-11A420a.app"
IOSVER="13.3"

# rm -r /Applications/$XCOLD/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/$IOSVER
# cp -R /Applications/$XCNEW/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/$IOSVER /Applications/$XCOLD/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport

mlavergn

#!/bin/sh

/usr/bin/nohup /opt/foo/bar < /dev/null >log.txt 2>&1 &

mlavergn

// silgen allows you to call C functions without headers or bridges
// not to be used as a rulem but might have some interesting use cases
@_silgen_name("getpid") private func getpid() -> pid_t
print(getpid())

mlavergn

#import <Foundation/Foundation.h>
#import <Security/Security.h>

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        AuthorizationRef authorizationRef;
        OSStatus status;

        status = AuthorizationCreate(NULL, kAuthorizationEmptyEnvironment, kAuthorizationFlagDefaults, &authorizationRef);
        if (status != errAuthorizationSuccess) {