gbitaudeau

extension Int {

    func formatUsingAbbrevation () -> String {
        let numFormatter = NSNumberFormatter()

        typealias Abbrevation = (threshold:Double, divisor:Double, suffix:String)
        let abbreviations:[Abbrevation] = [(0, 1, ""),
                                           (1000.0, 1000.0, "K"),
                                           (100_000.0, 1_000_000.0, "M"),
                                           (100_000_000.0, 1_000_000_000.0, "B")]

AmitaiB

precedencegroup BooleanPrecedence { associativity: left }
infix operator ^^ : BooleanPrecedence
/**
 Swift Logical XOR operator
 ```
 true  ^^ true   // false
 true  ^^ false  // true
 false ^^ true   // true
 false ^^ false  // false
 ```

lambdamusic

-- HOWTO:
-- after saving it, open with Script Editor (default) and run it

-- PREREQUISITES:
-- make sure your Keynote presentation is open in the background 

-- AFTER EXPORT:
-- if you can't open the file due to encoding errors, open with Sublime (or another a text editor) and then "File / Save with encoding / UTF8"

tell application "Keynote"

khanlou

        UIFont.familyNames.forEach({ familyName in
            let fontNames = UIFont.fontNames(forFamilyName: familyName)
            print(familyName, fontNames)
        })

phucnm

extension UIImage {
    /**
     Create gradient image from beginColor on top and end color at bottom
     
     - parameter beginColor: beginColor
     - parameter endColor:   endColor
     - parameter frame:      frame to be filled
     
     - returns: filled image
     */

mosquito

# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
#
# /etc/screenrc
#
# This is the system wide screenrc.
#
# You can use this file to change the default behavior of screen system wide
# or copy it to ~/.screenrc and use it as a starting point for your own
# settings.

fe9lix

find . -type f -name "*.swift" -not -path "./Pods/*" -exec sed -i '' -e '1,/^import/{/^\/\/.*/d;}' -e '/./,$!d' {} \;

mourad-brahim

extension UIView {
func shake(duration: CFTimeInterval) {
        let translation = CAKeyframeAnimation(keyPath: "transform.translation.x");
        translation.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionLinear)
        translation.values = [-5, 5, -5, 5, -3, 3, -2, 2, 0]
        
        let rotation = CAKeyframeAnimation(keyPath: "transform.rotation.z")
        rotation.values = [-5, 5, -5, 5, -3, 3, -2, 2, 0].map {
            (let degrees: Double) -> Double in
            let radians: Double = (M_PI * degrees) / 180.0

bishboria

These links no longer work. Springer have pulled the free plug.

Graduate texts in mathematics

duplicates = multiple editions

A Classical Introduction to Modern Number Theory, Kenneth Ireland Michael Rosen

A Classical Introduction to Modern Number Theory, Kenneth Ireland Michael Rosen

jdg

- (void) deleteAllContacts {
	CNContactStore *contactStore = [[CNContactStore alloc] init];

	[contactStore requestAccessForEntityType:CNEntityTypeContacts completionHandler:^(BOOL granted, NSError * _Nullable error) {
		if (granted == YES) {
			NSArray *keys = @[CNContactPhoneNumbersKey];
			NSString *containerId = contactStore.defaultContainerIdentifier;
			NSPredicate *predicate = [CNContact predicateForContactsInContainerWithIdentifier:containerId];
			NSError *error;
			NSArray *cnContacts = [contactStore unifiedContactsMatchingPredicate:predicate keysToFetch:keys error:&error];