See also, http://libraryofalexandria.io/cgo/
cgo has a lot of trap.
but Not "C" pkg also directory in $GOROOT/src. IDE's(vim) Goto command not works.
So, Here collect materials.
zsmatrix62
/ WebCacheCleaner.swift
Created
August 17, 2021 14:13
— forked from insidegui/WebCacheCleaner.swift
Clear WKWebView's cookies and website data storage, very useful during development.
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| import Foundation | |
| import WebKit | |
| final class WebCacheCleaner { | |
| class func clean() { | |
| HTTPCookieStorage.shared.removeCookies(since: Date.distantPast) | |
| print("[WebCacheCleaner] All cookies deleted") | |
| WKWebsiteDataStore.default().fetchDataRecords(ofTypes: WKWebsiteDataStore.allWebsiteDataTypes()) { records in |
zsmatrix62
/ ImageDarkness.swift
Created
December 17, 2020 22:01
— forked from adamcichy/ImageDarkness.swift
Determine if a UIImage is generally dark or generally light in Swift 3
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| extension CGImage { | |
| var isDark: Bool { | |
| get { | |
| guard let imageData = self.dataProvider?.data else { return false } | |
| guard let ptr = CFDataGetBytePtr(imageData) else { return false } | |
| let length = CFDataGetLength(imageData) | |
| let threshold = Int(Double(self.width * self.height) * 0.45) | |
| var darkPixels = 0 | |
| for i in stride(from: 0, to: length, by: 4) { | |
| let r = ptr[i] |
zsmatrix62
/ podforceupdate.sh
Created
October 18, 2020 16:29
— forked from mbinna/podforceupdate.sh
Clear CocoaPods cache, re-download and re-install all pods
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| #!/usr/bin/env bash | |
| rm -rf "${HOME}/Library/Caches/CocoaPods" | |
| rm -rf "`pwd`/Pods/" | |
| pod update |
zsmatrix62
/ gist:3dc454e31a7379211781621d6829210d
Created
November 22, 2019 10:26
— forked from tayvano/gist:6e2d456a9897f55025e25035478a3a50
complete list of ffmpeg flags / commands
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| Originall From: Posted 2015-05-29 http://ubwg.net/b/full-list-of-ffmpeg-flags-and-options | |
| This is the complete list that’s outputted by ffmpeg when running ffmpeg -h full. | |
| usage: ffmpeg [options] [[infile options] -i infile]… {[outfile options] outfile}… | |
| Getting help: | |
| -h — print basic options | |
| -h long — print more options | |
| -h full — print all options (including all format and codec specific options, very long) |
ffmpeg -i "Apache Sqoop Tutorial Part 1.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate1.ts
ffmpeg -i "Apache Sqoop Tutorial Part 2.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate2.ts
ffmpeg -i "Apache Sqoop Tutorial Part 3.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate3.ts
ffmpeg -i "Apache Sqoop Tutorial Part 4.mp4" -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate4.ts
ffmpeg -i "concat:intermediate1.ts|intermediate2.ts|intermediate3.ts|intermediate4.ts" -c copy -bsf:a aac_adtstoasc "Apache Sqoop Tutorial.mp4"NewerOlder