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## bitwalletrecover.py - recover private keys from your darkcoin wallet
## (this version was not tested with bitcoin/litecoin).
## Requires python3, pycoin (https://pypi.python.org/pypi/pycoin),
## and base58 (https://pypi.python.org/pypi/base58).
##
## Starting with Python 3.4, pip is included by default with the Python binary
## installers. To install pip for older versions 3.x:
##
##   sudo apt-get install python3-setuptools
##   sudo easy_install3 pip

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def verify_sign(public_key_loc, signature, data):
    '''
    Verifies with a public key from whom the data came that it was indeed 
    signed by their private key
    param: public_key_loc Path to public key
    param: signature String signature to be verified
    return: Boolean. True if the signature is valid; False otherwise. 
    '''
    from Crypto.PublicKey import RSA 
    from Crypto.Signature import PKCS1_v1_5 

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class ViewController: UIViewController {

    private var player:AVPlayer?
    private var playerLayer:AVPlayerLayer?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        print(NSHomeDirectory())
    }

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def sign_data(private_key_loc, data):
    '''
    param: private_key_loc Path to your private key
    param: package Data to be signed
    return: base64 encoded signature
    '''
    from Crypto.PublicKey import RSA 
    from Crypto.Signature import PKCS1_v1_5 
    from Crypto.Hash import SHA256 
    from base64 import b64encode, b64decode 

omgbbqhaxx

How to draw a gradient border button?

My Problem

Last week, my partner showed me his design for our application. Everything is great, easily implemented with some custom controls. But wait, something is not in my knowledge.

A button with gradient border. Never try it before. Up to now, I just created gradient background views 2 times in previous projects. Googled and found some good results.

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//
//  AppDelegate.swift
//  ecommerce
//
//  Created by Nazir Dogan on 10/10/2016.
//  Copyright © 2016 Nazir Dogan. All rights reserved.
//

import UIKit
import IQKeyboardManagerSwift

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for familyName in UIFont.familyNames as [String] {
            
            print("\(familyName)")
            
            for fontName in UIFont.fontNames(forFamilyName: familyName) as [String] {
                print("\tFont: \(fontName)")
            }
            
        }

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// based on https://gist.github.com/samuel-mellert/20b3c99dec168255a046
// which is based on https://gist.github.com/szhernovoy/276e69eb90a0de84dd90
// Updated to work on Swift 2.2

func randomString(length: Int) -> String {
    let charactersString = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
    let charactersArray : [Character] = Array(charactersString.characters)

    var string = ""
    for _ in 0..<length {

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func timeAgoSinceDate(date:NSDate, numericDates:Bool) -> String {
    let calendar = NSCalendar.currentCalendar()
    let now = NSDate()
    let earliest = now.earlierDate(date)
    let latest = (earliest == now) ? date : now
    let components:NSDateComponents = calendar.components([NSCalendarUnit.Minute , NSCalendarUnit.Hour , NSCalendarUnit.Day , NSCalendarUnit.WeekOfYear , NSCalendarUnit.Month , NSCalendarUnit.Year , NSCalendarUnit.Second], fromDate: earliest, toDate: latest, options: NSCalendarOptions())
    
    if (components.year >= 2) {
        return "\(components.year) years ago"
    } else if (components.year >= 1){

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How to install PhantomJS on Ubuntu

Version: 1.9.8

Platform: x86_64

First, install or update to the latest system software.

sudo apt-get update
sudo apt-get install build-essential chrpath libssl-dev libxft-dev