blacklee’s gists

blacklee / aqi.lua

Created April 9, 2019 07:27

Hammerspoon-AQI

	local url = "https://api.waqi.info/feed/@UID/?token=Demo-Token"
	-- fill your UID and token

	local menubar = hs.menubar.new()

	function getColor(aqi)
	if aqi <= 50 then
	return {red = 0, blue = 0, green = 1}
	end
	if aqi <= 100 then

blacklee / SpeechVoiceFromLocaleLanguageCode.m

Created April 10, 2018 05:31

Get AVSpeechSynthesisVoice by [NSLocale preferredLanguages]

	AVSpeechSynthesisVoice SpeechVoiceFromLocaleLanguageCode(NSString langCode) {
	NSArray<NSString> langCodeParts = [[langCode stringByReplacingOccurrencesOfString:@"-" withString:@"_"] componentsSeparatedByString:@"_"];
	NSArray<AVSpeechSynthesisVoice> availTTSVoices = [AVSpeechSynthesisVoice speechVoices];
	NSMutableArray<AVSpeechSynthesisVoice> filteredVoices = [NSMutableArray array];
	AVSpeechSynthesisVoice selectedVoice = nil, defaultVoice = nil;
	// first round filter, uses prefix.
	for (AVSpeechSynthesisVoice *voice in availTTSVoices) {
	if (!defaultVoice && [voice.language isEqualToString:@"en-US"]) {
	defaultVoice = voice;
	}

blacklee / AppDelegate.m

Created August 30, 2016 03:02

Using this partial codes to share test data across all simulators in your Mac.

	- (void)setupSharedDirectoryForMacTest {
	#ifndef DEBUG
	return;
	#endif
	#ifndef TARGET_IPHONE_SIMULATOR
	return;
	#endif
	NSLog(@"--------------------------------------------------------------------------------------------------------");
	NSFileManager *fileManager = [NSFileManager defaultManager];
	NSString *documentPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];

blacklee / ffmpeg-to-480p.sh

Created February 19, 2016 13:43

ffmpeg convert video to 480p

ffmpeg -i input.mp4 -s hd480 -c:v libx264 -crf 23 -c:a aac -strict -2 output.mp4

blacklee / convert-p12-to-nopass-pem-for-apns.sh

Created January 5, 2016 05:11

APNS pem file

blacklee / gist:11293269

Created April 25, 2014 15:18

create a "fat" libary

lipo -create libdevice.a libsimulator.a -output libcombined.a

blacklee / gist:9045300

Created February 17, 2014 05:41

performselectoronmainthread and get return value

	// http://stackoverflow.com/a/3346157/490794


	// call
	NSMutableDictionary *myDict;
	[object performSelectorOnMainThread:@selector(getElements:)
	withObject:&myDict waitUntilDone:YES];

	// define
	- (void)getElements:(NSMutableDictionary **)objects;

blacklee / MobClickOpenUDID+Swizzled.m

Created January 21, 2014 07:42

使用友盟统计分析提交时被拒的一种解决方案


	#import "MobClickOpenUDID+Swizzled.h"
	#import <objc/message.h>
	#import <JRSwizzle.h> // Swizzle 类方法，这样可以避免类去调用某些Apple可能不允许的方法，通过审核
	#import "YourDevice.h" // 你的设备相关类，用于生成自己的Device Unique ID
	#import <RegExCategories.h> // 正则表达式
	#import <NSString+Ruby.h> // 字符串工具类

	static NSString * const kOpenUDIDKey = @"OpenUDID";
	static NSString * const kOpenUDIDSlotKey = @"OpenUDID_slot";

blacklee / gist:8470154

Created January 17, 2014 08:34

git tag command

blacklee / gist:8108962

Last active January 1, 2016 06:59

when layoutSubviews do not work

	当 layoutSubviews 里设置了 frame 但是界面不刷新时，检查一下 xib 里面是不是勾上了 use Autolayout ，把这个去掉就好

	When you have set frame in layoutSubviews but it do not refresh the view, we should uncheck the [use Autolayout] in xib.

	AVSpeechSynthesisVoice SpeechVoiceFromLocaleLanguageCode(NSString langCode) {
	NSArray<NSString> langCodeParts = [[langCode stringByReplacingOccurrencesOfString:@"-" withString:@"_"] componentsSeparatedByString:@"_"];
	NSArray<AVSpeechSynthesisVoice> availTTSVoices = [AVSpeechSynthesisVoice speechVoices];
	NSMutableArray<AVSpeechSynthesisVoice> filteredVoices = [NSMutableArray array];
	AVSpeechSynthesisVoice selectedVoice = nil, defaultVoice = nil;
	// first round filter, uses prefix.
	for (AVSpeechSynthesisVoice *voice in availTTSVoices) {
	if (!defaultVoice && [voice.language isEqualToString:@"en-US"]) {
	defaultVoice = voice;
	}

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