Gernot

NSDictionary *testDict = [NSDictionary dictionary];
NSMutableDictionary *mutableTestDict = [NSMutableDictionary dictionary];

if ([testDict isKindOfClass:[NSDictionary class]]
    && ![testDict isKindOfClass:[NSMutableDictionary class]]  //notice the negation here!
    && [mutableTestDict isKindOfClass:[NSDictionary class]]
    && [mutableTestDict isKindOfClass:[NSMutableDictionary class]])
{
    NSLog(@"Hey Christian, klappt doch!");
}

Gernot

From e73676528a86527149063b03882b58ca84e3958d Mon Sep 17 00:00:00 2001
From: Gernot Poetsch <github@poetsch.org>
Date: Wed, 17 Aug 2011 15:39:48 +0200
Subject: [PATCH] Increasing LastUpgradeCheck to please THE STEVE

---
 SoundCloudUI.xcodeproj/project.pbxproj |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/SoundCloudUI.xcodeproj/project.pbxproj b/SoundCloudUI.xcodeproj/project.pbxproj

Gernot

+ (NSString *)nx_stringWithUUID;
{
    CFUUIDRef theUUID = CFUUIDCreate(kCFAllocatorDefault);
    CFStringRef string = CFUUIDCreateString(kCFAllocatorDefault, theUUID);
    CFRelease(theUUID);
	
    NSString *returnValue = (__bridge_transfer NSString*)string;
    return returnValue;
    /*
    

Gernot

extension NSURL {
    convenience init?(optionalString: String?) {
        if (optionalString == nil) {
            self.init() //Yeah, this makes sense. Go on, try deleting it. Compiler will complain… (At least in Xcode 6.1)
            return nil
        }
        self.init(string:optionalString!)
    }
}

Gernot

[fit]Introduction

[fit]to

[fit]Swift

---

Gernot Poetsch

@gernot gernot@nxtbgthng.com

Gernot

    struct Time {
        
        /* Is there any good way to do this without the intermediate vars? Swift 1.2 (Xcode 6.3b4) does not seem to let me write into the structs constants directly before initializing them. */
        init(date: NSDate) {
            var hour: Int = 0, minute: Int = 0, second: Int = 0, nanosecond: Int = 0
            NSCalendar.currentCalendar().getHour(&hour, minute: &minute, second: &second, nanosecond: &nanosecond, fromDate: date)
            self.hour = hour; self. minute = minute; self.second = second; self.nanosecond = nanosecond
        }
        
        let hour: Int

Gernot

    public struct Time {
        
        init(date: NSDate) {
            NSCalendar.currentCalendar().getHour(&hours, minute: &minutes, second: &seconds, nanosecond: &nanoseconds, fromDate: date)
        }
        
        private(set) public var hours: Int = 0
        private(set) public var minutes: Int = 0
        private(set) public var seconds: Int = 0
        private(set) public var nanoseconds: Int = 0

Gernot

/// Is there any way to use the Options from libxml2 with the cool new `OptionSet` Syntax from Swift 2?

//This is how I do it now
let options = Int32(HTML_PARSE_RECOVER.rawValue | HTML_PARSE_NOWARNING.rawValue | HTML_PARSE_NOERROR.rawValue)

// ideally I want this, but it doesn't work
let options: htmlParserOption = [HTML_PARSE_RECOVER, HTML_PARSE_NOWARNING, HTML_PARSE_NOERROR]

//here's the typedef from libxml/HTMLparser.h
/*

Gernot

import Foundation

func doStuff<T:CollectionType where T.Generator.Element: Equatable, T.Index.Distance == Int>(collection:T) {
    //Do Stuff
}

var list: [Any] = [1,2,2,3,4,5] //This HAS to be saved as [Any]. Or is there another way to specify all kinds of collections that would work with doStuff()?

doStuff(list) //This fails: cannot invoke 'doStuff' with an argument list of type '([Any])'

Gernot

struct CharacteristicValue {
    let format: Int8
    let exponent: Int8 = -1
    let unit: UInt16
    let namespace: Int8
    let descriptionInfo: Int16
}

var value = CharacteristicValue(format: 14, unit: 0x272F, namespace: 1, descriptionInfo: 0)