Skip to content

Instantly share code, notes, and snippets.

@chriseidhof
chriseidhof / ContentView.swift
Last active December 25, 2024 14:03
Variadic Views
import SwiftUI
struct MyValue: _ViewTraitKey {
static var defaultValue: Int = 0
}
extension View {
func myValue(_ value: Int) -> some View {
_trait(MyValue.self, value)
}
@kharmabum
kharmabum / ocmock-cheatsheet.m
Last active July 30, 2024 07:14
OCMock cheatsheet
/*----------------------------------------------------*/
#pragma mark - XCTAsserts
/*----------------------------------------------------*/
XCTAssert(expression, format...);
XCTAssertTrue(expression, format...);
XCTAssertFalse(expression, format...);
XCTAssertEqual(expression1, expression2, format...);
XCTAssertNotEqual(expression1, expression2, format...);
XCTAssertNil(expression, format...);
@gurgeous
gurgeous / CGMath.swift
Last active November 21, 2024 13:22
missing operators for CGPoint, CGSize and CGRect
//
// MARK: CGPoint op point/size/float
//
func -(l: CGPoint, r: CGPoint) -> CGPoint { return CGPoint(x: l.x - r.x, y: l.y - r.y) }
func +(l: CGPoint, r: CGPoint) -> CGPoint { return CGPoint(x: l.x + r.x, y: l.y + r.y) }
func *(l: CGPoint, r: CGPoint) -> CGPoint { return CGPoint(x: l.x * r.x, y: l.y * r.y) }
func /(l: CGPoint, r: CGPoint) -> CGPoint { return CGPoint(x: l.x / r.x, y: l.y / r.y) }
func -(l: CGPoint, r: CGSize) -> CGPoint { return CGPoint(x: l.x - r.width, y: l.y - r.height) }
@alanzeino
alanzeino / Strong UINavigationBar colour
Last active April 26, 2020 23:34
Combining a strong colour with a blurred and translucent UINavigationBar in iOS 7.
// cheers to @stroughtonsmith for helping out with this one
UIColor *barColour = [UIColor colorWithRed:0.13f green:0.14f blue:0.15f alpha:1.00f];
UIView *colourView = [[UIView alloc] initWithFrame:CGRectMake(0.f, -20.f, 320.f, 64.f)];
colourView.opaque = NO;
colourView.alpha = .7f;
colourView.backgroundColor = barColour;
self.navigationBar.barTintColor = barColour;
@mattt
mattt / uiappearance-selector.md
Last active February 7, 2025 15:27
A list of methods and properties conforming to `UIAppearance` as of iOS 12 Beta 3

Generate the list yourself:

$ cd /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS*.sdk/System/Library/Frameworks/UIKit.framework/Headers
$ grep UI_APPEARANCE_SELECTOR ./*     | \
  sed 's/NS_AVAILABLE_IOS(.*)//g'     | \
  sed 's/NS_DEPRECATED_IOS(.*)//g'    | \
  sed 's/API_AVAILABLE(.*)//g'        | \
  sed 's/API_UNAVAILABLE(.*)//g'      | \
 sed 's/UI_APPEARANCE_SELECTOR//g' | \
static NSInteger NSJSONReadingFuckNSNulls = (1UL << 3);
@implementation NSJSONSerialization (FuckNulls)
+ (void)load {
Method originalMethod = class_getClassMethod(self, @selector(JSONObjectWithData:options:error:));
IMP swizzledImplementation = imp_implementationWithBlock([^id (id _self, NSData *_data, NSJSONReadingOptions _opt, NSError **_error){
NSInputStream *stream = [NSInputStream inputStreamWithData:_data];
[stream open];
@rnapier
rnapier / fix-xcode
Last active October 31, 2024 13:54
Links Xcode SDKs from the /SDKs directory (which you maintain yourself)
#!/usr/bin/python
# fix-xcode
# Rob Napier <[email protected]>
# Script to link in all your old SDKs every time you upgrade Xcode
# Create a directory called /SDKs (or modify source_path).
# Under it, put all the platform directories:
# MacOSX.platform iPhoneOS.platform iPhoneSimulator.platform
# Under those, store the SDKs: