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kaishin / NSColor+isLight.h
Last active Sep 25, 2019
Programmatically determine the perceived lightness of a color. More details on: + Online tool:
View NSColor+isLight.h
#import <Cocoa/Cocoa.h>
@interface NSColor (isLight)
- (BOOL)isLight;
View snapshot.swift
extension NSView {
var snapshot: NSImage {
guard let bitmapRep = bitmapImageRepForCachingDisplayInRect(bounds) else { return NSImage() }
bitmapRep.size = bounds.size
cacheDisplayInRect(bounds, toBitmapImageRep: bitmapRep)
let image = NSImage(size: bounds.size)
return image
kaishin / dataSize.m
Created Jun 1, 2014
Log NSData size in a human-readable format.
View dataSize.m
NSLog(@"%@",[NSByteCountFormatter stringFromByteCount:data.length countStyle:NSByteCountFormatterCountStyleFile]);
View ATS.plist
kaishin / UIColor+isLight.h
Last active Jun 16, 2016
Get whether a color is dark or light using either luminance or lightness.
View UIColor+isLight.h
#import <UIKit/UIKit.h>
@interface UIColor (isLight)
- (CGFloat)lightness;
- (CGFloat)perceivedLightness;
- (CGFloat)perceivedLightnessW3C;
- (BOOL)isLight;
- (BOOL)isPerceivedLightW3C;
- (BOOL)isPerceivedLight;
kaishin / threadCheck.m
Last active Dec 27, 2015
My concurrency homie. Sprinkle some of it inside and around your blocks and concurrency will never come back to haunt you again.
View threadCheck.m
NSLog([NSThread currentThread] == [NSThread mainThread] ? @"❇️ Main thread, it is." : @"♒️ Doesn't look like main thread around here...");
kaishin / gray-with-lightness.scss
Created Oct 24, 2013
Return a gray color with a level of lightness.
View gray-with-lightness.scss
@function gray-with-lightness($level: 0.5) {
@if $level > 1 {
$level: 1.0;
} @else if $level < 0 {
$level: 0.0;
@return lighten(#000, percentage($level));
kaishin / asset.m
Created Jul 1, 2013
Get statusBar window
View asset.m
UIWindow *statusBar = [[UIApplication sharedApplication] performSelector:@selector(statusBarWindow)];
View WKScriptMessage+LeakFix.m
#import <mach-o/dyld.h>
#import <objc/runtime.h>
#import <WebKit/WebKit.h>
@interface WKScriptMessage (WKScriptMessageLeakFix)
@implementation WKScriptMessage (WKScriptMessageLeakFix)
+ (void)load {
#! /bin/sh
var1=`sudo du -sh /Users/$USER/Library/Logs`
var2=`sudo du -sh /Library/Caches`
var3=`sudo du -sh /Users/$USER/Library/Caches`
var4=`sudo du -sh /var/folders/*`
var5=`sudo du -sh /System/Library/Caches`
var7=`sudo du -sh /Users/$USER/Library/Safari/Downloads.plist`
var8=`sudo du -sh /Library/Logs`
sudo rm -rf /Library/Logs
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