CountDown Timer

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>IDECodeSnippetCompletionPrefix</key>
	<string>snippetAlert</string>
	<key>IDECodeSnippetCompletionScopes</key>
	<array>
		<string>All</string>
	</array>
	<key>IDECodeSnippetContents</key>
	<string>let alertController = UIAlertController(title: &lt;#T##String?#&gt;, message: &lt;#T##String?#&gt;, preferredStyle: &lt;#T##UIAlertController.Style#&gt;)
let firstAction = UIAlertAction(title: &lt;#T##String?#&gt;, style: .default, handler: &lt;#T##((UIAlertAction) -&gt; Void)?##((UIAlertAction) -&gt; Void)?##(UIAlertAction) -&gt; Void#&gt;)
let cancelAction = UIAlertAction(title: &lt;#T##String?#&gt;, style: .cancel, handler: nil)

alertController.addAction(firstAction)
alertController.addAction(cancelAction)
present(alertController, animated: true)</string>
	<key>IDECodeSnippetIdentifier</key>
	<string>8C458AD7-C631-457B-85CC-D2501E425D59</string>
	<key>IDECodeSnippetLanguage</key>
	<string>Xcode.SourceCodeLanguage.Swift</string>
	<key>IDECodeSnippetSummary</key>
	<string></string>
	<key>IDECodeSnippetTitle</key>
	<string>UIAlertController</string>
	<key>IDECodeSnippetUserSnippet</key>
	<true/>
	<key>IDECodeSnippetVersion</key>
	<integer>2</integer>
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@IBAction func doSomething()
@IBAction func doSomething(sender: UIButton)
@IBAction func doSomething(sender: UIButton, forEvent event: UIEvent)

[[NSProcessInfo processInfo] operatingSystemVersion]

import 'package:flutter/material.dart';

void main() {
  runApp(
    new MaterialApp(
      title: 'Hello World App',
      home: new myApp(),
    )
  );
}

class myApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      appBar: new AppBar(
        title: new Text('Hello World App'),
      ),
      body: new Center(
        child: new Text(
          'Hello, world!'
        ),
      ),
    );
  }
}

override func viewDidLoad() {
    super.viewDidLoad()
    // Swift block syntax (iOS 10+)
    let timer = Timer(timeInterval: 0.4, repeats: true) { _ in print("Done!") }
    // Swift >=3 selector syntax
    let timer = Timer.scheduledTimer(timeInterval: 0.4, target: self, selector: #selector(self.update), userInfo: nil, repeats: true)
    // Swift 2.2 selector syntax
    let timer = NSTimer.scheduledTimerWithTimeInterval(0.4, target: self, selector: #selector(MyClass.update), userInfo: nil, repeats: true)
    // Swift <2.2 selector syntax
    let timer = NSTimer.scheduledTimerWithTimeInterval(0.4, target: self, selector: "update", userInfo: nil, repeats: true)
}

// must be internal or public. 
@objc func update() {
    // Something cool
}

for file in *
do
file=${file//.bam/}
samtools sort -@ 14 $file.bam > $file.sorted.bam
samtools index -@ 14 -b $file.sorted.bam
samtools idxstats -@ 14 $file.sorted.bam > $file.idxstats.txt
done

trx_1.select(f.countDistinct("stg_nexus_member_cd")).show()

var secondsRemaining = 60    
Timer.scheduledTimer(withTimeInterval: 1.0, repeats: true) { (Timer) in
        if secondsRemaining > 0 {
            print ("\(self.secondsRemaining) seconds")
            secondsRemaining -= 1
        } else {
            Timer.invalidate()
        }
    }

// Efficient Method : Time Complexity : O(n), Auxiliary space : O(1)

import java.util.*;
import java.io.*;

class GFG 
{ 
    static int maxConsecutiveOnes(int arr[], int n)
    {
    	int res = 0, curr = 0;

    	for(int i = 0; i < n; i++)
    	{
    		if(arr[i] == 0)
    			curr = 0;
    		else
    		{
    			curr++;

    			res = Math.max(res, curr);
    		}
    	}
    	
    	return res;
    }

    public static void main(String args[]) 
    { 
       int arr[] = {0, 1, 1, 0, 1, 1, 1}, n = 7;

       System.out.println(maxConsecutiveOnes(arr, n)); // Output : 3
    } 
}


// Naive Method : Time Complexity : O(n^2), Auxiliary space : O(1)

    static int maxConsecutiveOnes(int arr[], int n)
    {
    	int res = 0;

    	for(int i = 0; i < n; i++)
    	{
    		int curr = 0;

    		for(int j = i; j < n; j++)
    		{
    			if(arr[j] == 1) curr++;
    			else break;
    		}

    		res = Math.max(res, curr);
    	}
    	
    	return res;
    }

let words = input.match(/(\w+)/g).length
  

let counter = 0;
counter++;

function animationInterval(ms, signal, callback) {
  // Prefer currentTime, as it'll better sync animtions queued in the
  // same frame, but if it isn't supported, performance.now() is fine.
  const start = document.timeline
  ? document.timeline.currentTime
  : performance.now();

  function frame(time) {
    if (signal.aborted) return;
    callback(time);
    scheduleFrame(time);
  }

  function scheduleFrame(time) {
    const elapsed = time - start;
    const roundedElapsed = Math.round(elapsed / ms) * ms;
    const targetNext = start + roundedElapsed + ms;
    const delay = targetNext - performance.now();
    setTimeout(() => requestAnimationFrame(frame), delay);
  }

  scheduleFrame(start);
}

from collections import defaultdict, namedtuple, Counter, deque

Counter(words).most_common(6)

import React, { useState } from "react";
import "./App.css";

const App = () => {
  const [counterA, setCounterA] = useState(0);
  const [counterB, setCounterB] = useState(0);

  return (
    <div>
      <button
        onClick={() => {
          setCounterA(counterA + 1);
        }}
      >
        Increment A
      </button>
      <button
        onClick={() => {
          setCounterB(counterB + 1);
        }}
      >
        Increment B
      </button>
      <div>counterA: {counterA}</div>
      <div>counterB: {counterB}</div>
    </div>
  );
};

export default App;

// Preferred status bar style lightContent to use on dark background.
// Swift 3
override var preferredStatusBarStyle: UIStatusBarStyle {
    return .lightContent
}