chrisbrandow

/// This class centers the elements that fit on a given row/column
/// ripped off from https://github.com/Coeur/CollectionViewCenteredFlowLayout
/// modified to simplify and to remove forced unwrapping
open class CollectionViewCenteredFlowLayout: UICollectionViewFlowLayout {

    open override func layoutAttributesForElements(in rect: CGRect) -> [UICollectionViewLayoutAttributes]? {
        guard let elementsAttributes = super.layoutAttributesForElements(in: rect)
            else { return nil }
        guard let collectionView = collectionView
            else { return elementsAttributes }

chrisbrandow

typealias Constraint = (_ child: UIView, _ parent: UIView) -> NSLayoutConstraint

func equal<Axis, Anchor>(_ keyPath: KeyPath<UIView, Anchor>, _ to: KeyPath<UIView, Anchor>, _ constant: CGFloat = 0) -> Constraint where Anchor: NSLayoutAnchor<Axis> {
    return { $0[keyPath: keyPath].constraint(equalTo: $1[keyPath: to], constant: constant) }
}

func equal<Axis, Anchor>(_ keyPath: KeyPath<UIView, Anchor>, _ constant: CGFloat = 0) -> Constraint where Anchor: NSLayoutAnchor<Axis> {
    return equal(keyPath, keyPath, constant)
}

chrisbrandow

- (void)testQueue {
    dispatch_queue_t lockQueue = dispatch_queue_create("com.test.LockQueue", DISPATCH_QUEUE_SERIAL);
    [self executeLockTest:^(VoidBlock block) {
        dispatch_sync(lockQueue, ^{
            block();
        });
    }];
}

- (void)disabled_testNoLock {

chrisbrandow

    func strings(from name: String) -> [String]? {
        let date = Date()
        guard let path = Bundle.main.path(forResource: name, ofType: "yaml") else {
            return nil
        }
        do {
            let fileString = try String(contentsOfFile: path, encoding: .utf8)
            let fileTime = date.timeIntervalSinceNow
            let lines = fileString.components(separatedBy:"\n")
            let end = date.timeIntervalSinceNow

chrisbrandow

- (NSArray *)stringsFromFile:(NSString *)name
{
    NSDate *start = [NSDate date];
    NSString *path = [[NSBundle mainBundle] pathForResource:name ofType:@"yaml"];
    NSString *fileString = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];
    NSTimeInterval fileTime = [start timeIntervalSinceNow];
    NSArray *lines = [fileString componentsSeparatedByString:@"\n"];
    NSTimeInterval end = [start timeIntervalSinceNow];
    NSLog(@"end count:%.9f %.9f, %zd", fileTime, end, offsets.count);
    return lines;

chrisbrandow

extension String {

    var length: Int {
        return self.characters.count
    }

    subscript (i: Int) -> String {
        return self[Range(i ..< i + 1)]
    }

chrisbrandow

infix operator ??? : TernaryPrecedence
infix operator ||| : AdditionPrecedence

func ???(input: String?, valuesBlock: ((String?) -> String)) -> String {
    return valuesBlock(input)
}

func |||(ifNotNil: String, ifNil: String) -> ((String?) -> String) {
    return { (input: String?) -> String in
        if let _ = input {

chrisbrandow

//: Playground - noun: a place where people can play

import UIKit
import PlaygroundSupport

///create a constraint of view to its superView
infix operator ➡️|: AdditionPrecedence
infix operator |⬅️: AdditionPrecedence
infix operator -⬆️: AdditionPrecedence
infix operator ⬇️-: AdditionPrecedence

chrisbrandow

import Foundation
var array = [Int]()

for i in 1 ..< 10000000 {
	array.append(i)
}
//let numberList = array

extension Array where Element: Comparable {

chrisbrandow

#!/usr/bin/swift
// Swift 3.0
//
//  main.swift
//  CSVToTables
//
//  Created by Christopher Brandow on 7/12/16.
//  Copyright © 2016 flouu. All rights reserved.
//