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function welcome_msg() {
    local upSeconds="$(/usr/bin/cut -d. -f1 /proc/uptime)"
    local secs=$((upSeconds%60))
    local mins=$((upSeconds/60%60))
    local hours=$((upSeconds/3600%24))
    local days=$((upSeconds/86400))
    local UPTIME=$(printf "%d days, %02dh%02dm%02ds" "$days" "$hours" "$mins" "$secs")

    # calculate rough CPU and GPU temperatures:
    local cpuTempC

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NSURLCredential *defaultCredential = [NSURLCredential credentialWithUser:LYKAPIUsername password:LYKAPIKey persistence:NSURLCredentialPersistencePermanent];
		
		NSURL *APIURL = [NSURL URLWithString:LYKAPIURLRegister];
		
		NSString *host = [APIURL host];
		NSInteger port = [[APIURL port] integerValue];
		NSString *protocol = [APIURL scheme];
		NSURLProtectionSpace *protectionSpace = [[NSURLProtectionSpace alloc] initWithHost:host port:port protocol:protocol realm:nil authenticationMethod:NSURLAuthenticationMethodHTTPBasic];
		
		NSURLCredentialStorage *credentials = [NSURLCredentialStorage sharedCredentialStorage];

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// Taken from the commercial iOS PDF framework http://pspdfkit.com.
// Copyright (c) 2013 Peter Steinberger. All rights reserved.
// Licensed under MIT (http://opensource.org/licenses/MIT)
//
// You should only use this in debug builds. It doesn't use private API, but I wouldn't ship it.

#import <objc/runtime.h>
#import <objc/message.h>

// Compile-time selector checks.

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// Taken from the commercial iOS PDF framework http://pspdfkit.com.
// Copyright (c) 2013 Peter Steinberger. All rights reserved.
// Licensed under MIT (http://opensource.org/licenses/MIT)
//
// You should only use this in debug builds. It doesn't use private API, but I wouldn't ship it.


#import <objc/runtime.h>
#import <objc/message.h>
#import <Foundation/Foundation.h>

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The laziest way to have Reveal available for all of your projects, without touching any source code

With the power of Xcode's symbolic User breakpoints, you can easily toggle on and off dynamically linking Reveal into your app.

The lazy way

Warning: This does not affect your current project or workspace breakpoints but will blast away any User breakpoints.

1. Quit Xcode, and in terminal:

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UI- and App Frameworks Evangelist - Jake Behrens, [email protected], twitter: @Behrens
	- What's new in Cocoa
	- Accessibility in iOS
	- Building User Interfaces for iOS 7
	- Getting Started with UIKit Dynamics
	- What's new in Cocoa Touch
	- What's New With Multitasking
	- Best Practices for Cocoa Animation
	- Improving Power Efficiency with App Nap
	- Introducing Text Kit

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//
//  RVNReceiptValidation.m
//
//  Created by Satoshi Numata on 12/06/30.
//  Copyright (c) 2012 Sazameki and Satoshi Numata, Ph.D. All rights reserved.
//
//  This sample shows how to write the Mac App Store receipt validation code.
//  Replace kRVNBundleID and kRVNBundleVersion with your own ones.
//
//  This sample is provided because the coding sample found in "Validating Mac App Store Receipts"

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- (void)debugSubview
{
    [self colorSubviewsForDebugParentView:self];
}

- (void)colorSubviewsForDebugParentView:(UIView*)view
{
    CGFloat hue = ( arc4random() % 256 / 256.0 );  //  0.0 to 1.0
    CGFloat saturation = ( arc4random() % 128 / 256.0 ) + 0.5;  //  0.5 to 1.0, away from white
    CGFloat brightness = ( arc4random() % 128 / 256.0 ) + 0.5;  //  0.5 to 1.0, away from black

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# MAC manipulators
alias random_mac='sudo ifconfig en0 ether `openssl rand -hex 6 | sed "s/\(..\)/\1:/g; s/.$//"`'
alias restore_mac='sudo ifconfig en0 ether YOUR_ORIGINAL_MAC_ADDRESS_GOES_HERE'

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The Colorize option changes the nature of the Hue/Saturation control.
When checked, it removes the color from an image and overlays the image with a tint of a single hue and saturation.
Each pixel's luminosity remains unchanged (actually, it is changed, but very little).
With the Colorize option, the Hue and Saturation values are no longer relative numbers based on an offset from a starting point.
Instead, they are absolute numbers.
The Hue value ranges from 0° to 360° and represents an absolute position on the color wheel (0° and 360° are the same color; red)
The Saturation value ranges from 0% to 100%.
If Saturation is changed to 0%, color will be negated and the pixels will go gray.

Using Hue/Saturation to colorize an image is not the same as making a duo tone.