mkll

/*
Setting translucent to YES on the navigation bar does the trick, due to a behavior discussed in the UINavigationBar documentation. I'll report here the relevant fragment:

If you set this property to YES on a navigation bar with an opaque custom background image, the navigation bar will apply a system opacity less than 1.0 to the image.
*/

// Transparent UINavigationBar
[self.navigationBar setBackgroundImage:[UIImage new] forBarMetrics:UIBarMetricsDefault];
self.navigationBar.shadowImage = [UIImage new];
self.navigationBar.translucent = YES;

mkll

#import "SDImageCache.h"

@interface SDImageCache (PrivateMethods)

- (NSString *)defaultCachePathForKey:(NSString *)key;
- (NSString *)cachedFileNameForKey:(NSString *)key;

@end

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// CGSizeZero !!!

CGSize contentSize = [self.webView sizeThatFits:CGSizeZero];

mkll

mySwitch.tintColor = [UIColor blackColor];
mySwitch.backgroundColor = [UIColor redColor];
mySwitch.layer.cornerRadius = 16.0; // you must import QuartzCore to do this.

mkll

//
//  UIDeviceHardware.h
//
//  Used to determine EXACT version of device software is running on.

#import <Foundation/Foundation.h>

@interface UIDeviceHardware : NSObject 

- (NSString *) platform;

mkll

//
// Using CoreLocation on Mac OS X with command-line
// $ clang CoreLocationTest.m -framework cocoa -framework CoreLocation
// $ ./a.out 
// location service enabled
// 2011-12-01 21:03:01.839 a.out[10214:903] latitude,logitude : 35.606647, 140.695538
// 2011-12-01 21:03:01.842 a.out[10214:903] timestamp         : 2011-12-01 21:01:36 +0900
// tmiz moo@tmiz.net
//
#import <cocoa/cocoa.h>

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#import <Foundation/Foundation.h>

@interface NSBundle (Language)

+(void)setLanguage:(NSString*)language;

@end

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        NSURL *bluetoothURLOS8 = [NSURL URLWithString:@"prefs:root=General&path=Bluetooth"];
        NSURL *bluetoothURLOS9 = [NSURL URLWithString:@"prefs:root=Bluetooth"];
        NSURL *bluetoothURLOS10 = [NSURL URLWithString:@"Prefs:root=Bluetooth"];
        if ([[[UIDevice currentDevice] systemVersion] intValue] >= 10) {
            Class<NSObject> workSpaceClass = NSClassFromString(@"LSApplicationWorkspace");
            if (workSpaceClass) {
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
                id workSpaceInstance = [workSpaceClass performSelector:NSSelectorFromString(@"defaultWorkspace")];
                SEL selector = NSSelectorFromString(@"openSensitiveURL:withOptions:");

mkll

#To Get List of Hardware
sudo networksetup -listallhardwareports

#To Disable IPv6 on Wifi Adapter
sudo networksetup -setv6off wi-fi

#To Disable IPv6 on Built-in Ethernet Adapter
sudo networksetup -setv6off Ethernet

mkll

/* The official example for CoreWLAN is now obsolete,
  so here's a small command-line example that works with Xcode 6 and Yosemite.
  It only demonstrates how to get basic wi-fi connection properties and scan.
  Enjoy!
  pavel_a@fastmail.fm  01-Mar-2015
  */
  
#import <Foundation/Foundation.h>
#import <CoreWLAN/CoreWLAN.h>
#include <stdio.h>