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@chriseidhof
chriseidhof / ViewToPDF.swift
Created January 6, 2023 15:46
Image Rendering
import SwiftUI
extension View {
@MainActor
func pdf(size: ProposedViewSize) -> Data {
let renderer = ImageRenderer(content: self)
renderer.proposedSize = size
var pdfData = NSMutableData()
renderer.render { size, render in
var mediaBox = CGRect(origin: .zero, size: size)
@voluntas
voluntas / webrtc_turn.rst
Last active April 1, 2024 00:49
WebRTC で利用されいる TURN プロトコルの解説

WebRTC で利用されいる TURN プロトコルの解説

日時

2021-01-29

@voluntas

バージョン

2021.2

url

https://voluntas.github.io/

image

@tzmartin
tzmartin / m3u8-to-mp4.md
Last active April 26, 2024 01:50
m3u8 stream to mp4 using ffmpeg

1. Copy m3u8 link

Alt text

2. Run command

echo "Enter m3u8 link:";read link;echo "Enter output filename:";read filename;ffmpeg -i "$link" -bsf:a aac_adtstoasc -vcodec copy -c copy -crf 50 $filename.mp4
@kaushikgopal
kaushikgopal / RoundedBitmapDrawableUsage.java
Last active March 25, 2024 13:55
RoundedImageView - drop dead easy way to do this with RoundedBitmapDrawable
Bitmap batmapBitmap = BitmapFactory.decodeResource(getResources(), R.drawable.batman);
RoundedBitmapDrawable circularBitmapDrawable = RoundedBitmapDrawableFactory.create(getResources(), batmapBitmap);
// option 1 h/t [Chris Banes](https://chris.banes.me/)
circularBitmapDrawable.setCornerRadius(batmapBitmap.getWidth());
// option 2 h/t @csorgod in the comments
circularBitmapDrawable.setCircular(true);
@akuraru
akuraru / NSObject+performSelector.m
Last active August 29, 2015 14:08
SwiftでperformSelectorを使うための何か
#import "NSObject+performSelector.h"
@implementation NSObject (performSelector)
- (void)call:(NSString *)sel {
[self performSelector:@selector(sel)];
}
- (id)get:(NSString *)sel {
return [self performSelector:@selector(sel)];
# 私が考える安全なプログラムを書くために必要なこと
今も昔も「入力によって挙動が大幅に変わるAPI」が世の中には多数存在していて、プログラマが本来意図した挙動と異なる動作を引き起こしている。
- ファイルを開こうとしたらコマンドを実行できてしまったり
- CSSセレクタを書いてるつもりがHTMLタグを生成してしまったり
- SELECT文を発行するつもりがDELETE文を発行できてしまったり
こういったときに
- 入力値検証をしないと危険になる
@dergachev
dergachev / GIF-Screencast-OSX.md
Last active May 2, 2024 05:55
OS X Screencast to animated GIF

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Screencapture GIF

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

@banksean
banksean / perlin-noise-classical.js
Created February 15, 2010 10:00
two Perlin noise generators in javascript. The simplex version is about 10% faster (in Chrome at least, haven't tried other browsers)
// Ported from Stefan Gustavson's java implementation
// http://staffwww.itn.liu.se/~stegu/simplexnoise/simplexnoise.pdf
// Read Stefan's excellent paper for details on how this code works.
//
// Sean McCullough banksean@gmail.com
/**
* You can pass in a random number generator object if you like.
* It is assumed to have a random() method.
*/