emotality

NOTE (2022-07-09): Xcode finally added this functionality in Xcode 14, please see release notes here:

New Features in Xcode 14 Beta 3
When editing code, the Edit > Duplicate menu item and its corresponding keyboard shortcut now duplicate the selected text — or the line that currently contains the insertion point, if no text is selected. (8614499) (FB5618491)

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Xcode line duplicate

Bind keys to duplicate lines in Xcode

yannickl

import Foundation
import UIKit

extension UIColor {
    convenience init(hexString:String) {
        let hexString:NSString = hexString.stringByTrimmingCharactersInSet(NSCharacterSet.whitespaceAndNewlineCharacterSet())
        let scanner            = NSScanner(string: hexString)
        
        if (hexString.hasPrefix("#")) {
            scanner.scanLocation = 1

iOSDigital

-(UIImage *)imageWithTint:(UIImage *)image andTintColor:(UIColor *)tintColor {
	UIImage *imageNew = [image imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
	UIImageView *imageView = [[UIImageView alloc] initWithImage:imageNew];
	imageView.tintColor = tintColor;
	
	UIGraphicsBeginImageContextWithOptions(imageView.bounds.size, NO, 0.0);
	[imageView.layer renderInContext:UIGraphicsGetCurrentContext()];
	UIImage *tintedImage = UIGraphicsGetImageFromCurrentImageContext();
	UIGraphicsEndImageContext();
	

iggym

Below are multiple .gitignore files for use with Xcode/Objective-C projects

##########################################
# OS X
.DS_Store

# Xcode
build/
*.pbxuser
!default.pbxuser

johngraham262

# Add the following lines of code to your `~/.bash_profile`,
# and then run `source ~/.bash_profile` to be able to execute 
# this from the command line.

openx() {
    fileToOpen='';
    for file in `find . -maxdepth 1 -name *.xcworkspace`; do
        fileToOpen=$file
    done

erickedji

Don't worry about what anybody else is going to do. The best way to
predict the future is to invent it.
-- Alan Kay

Premature optimization is the root of all evil (or at least most of it)
in programming.
-- Donald Knuth

Lisp has jokingly been called "the most intelligent way to misuse a
computer". I think that description is a great compliment because it