kirillshevch

How to convert video into Telegram Animated Sticker with FFmpeg (WEBM)

ffmpeg -y -i input.mov -r 30 -t 2.99 -an -c:v libvpx-vp9 -pix_fmt yuva420p -vf 'scale=512:512:force_original_aspect_ratio=decrease' output.webm

Here is a breakdown of the options:

-y - Overwrite the output file if it already exists.

swhitty

extension Task where Failure == Error {

  // Start a new Task with a timeout. If the timeout expires before the operation is 
  // completed then the task is cancelled and an error is thrown.
  init(priority: TaskPriority? = nil, timeout: TimeInterval, operation: @escaping @Sendable () async throws -> Success) {
    self = Task(priority: priority) {
      try await withThrowingTaskGroup(of: Success.self) { group -> Success in
        group.addTask(operation: operation)
        group.addTask {
          try await _Concurrency.Task.sleep(nanoseconds: UInt64(timeout * 1_000_000_000))

wallentx

#!/usr/bin/env bash

source /home/your/path/to/chia-blockchain/activate

STR=$(chia farm summary | head -8)
FARM=$(chia farm summary | head -8 | sed 's/ /_/g; s/:_/=/g') #jq -Rs '{chia:split("\n")|map(split(": ")|{(.[0]):.[1]}?)}'
ACTIVE=$(pgrep -fa 'chia plots create' | wc -l)

printem() {
        echo "Active_Plots=$ACTIVE"

maxsokolov

public func with<T>(_ item: inout T, action: (inout T) -> Void) {
    action(&item)
}

public func with<T>(_ item: T, action: (T) -> Void) {
    action(item)
}

public func with<T: AnyObject>(_ item: T, action: (T) -> Void) {
    action(item)

jverkoey

/**
 An Observable emits values to its subscribed observers.

 A minimal implementation based upon the reactivex specification:
 http://reactivex.io/documentation/observable.html
 */
public class Observable<Value> {
  /** Add a new observer. The provided instance will receive all values provided to onNext. */
  public func subscribe(_ observer: @escaping (Value) -> Void) -> Observable<Value> {
    observers.append(observer)

paulll

#!/usr/bin/env zsh
# example usage:
# $ webp2gif input.webp output.gif

dir0=`pwd`
dir=`mktemp -d`
cd $dir
for i in $(seq -f "$04g" 0 1000); do; webpmux -get frame $i $dir0/$1 -o "$i.webp"; done;
mkdir png
for i in {0..1000}; do; dwebp "$i.webp" -o "png/$i.png"; done;

hsavit1

@interface RACGestureViewController ()
@property(weak, nonatomic) IBOutlet UILabel *translationLabel;
@property(weak, nonatomic) IBOutlet UILabel *stateLabel;
@property(strong, nonatomic) RACSubject *animationDelegate;
@property(weak, nonatomic) IBOutlet UILabel *pinchLabel;

@end

@implementation RACGestureViewController

hsavit1

//
//  main.m
//  101RACSamples
//
//  Created by Matthew Doig on 1/26/14.
//  Copyright (c) 2014 DWI. All rights reserved.
//

#pragma mark Asynchronous operators

phrawzty

#!/usr/bin/env python2

import SimpleHTTPServer
import SocketServer
import logging

PORT = 8000

class GetHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):

JaviLorbada

Videos

• Introduction to Functional Programming Johannes Weiß - https://vimeo.com/100786088
• ReactiveCocoa at MobiDevDay Andrew Sardone - https://vimeo.com/65637501
• The Future Of ReactiveCocoa Justin Spahr-Summers - https://www.youtube.com/watch?v=ICNjRS2X8WM
• Enemy of the State Justin Spahr-Summers - https://www.youtube.com/watch?v=7AqXBuJOJkY
• WWDC 2014 Session 229 - Advanced iOS Application Architecture and Patterns Andy Matuschak - https://developer.apple.com/videos/play/wwdc2014/229/
• Functioning as a Functionalist Andy Matuschak - https://www.youtube.com/watch?v=rJosPrqBqrA
• Controlling Complexity in Swift Andy Matuschak - https://realm.io/news/andy-matuschak-controlling-complexity/