gelitenight

/* basic usage */
ViewGroup root = (ViewGroup) findViewById(android.R.id.content);
 
LayoutTraverser.build(new LayoutTraverser.Processor() {
  @Override
  public void process(View view) {
    // do stuff with the view
  }
}).traverse(root);

lfender6445

Pry Cheat Sheet

• Youtube Tutorial 2013

Command Line

• pry -r ./config/app_init_file.rb - load your app into a pry session (look at the file loaded by config.ru)
• pry -r ./config/environment.rb - load your rails into a pry session

Debugger

coryalder

extension UIImage {
    func invertedImage() -> UIImage? {
        
        let img = CoreImage.CIImage(CGImage: self.CGImage)
        
        let filter = CIFilter(name: "CIColorInvert")
        filter.setDefaults()
        
        filter.setValue(img, forKey: "inputImage")

squarism

Tabs and Windows

Function	Shortcut
New Tab	⌘ + T
Close Tab or Window	⌘ + W (same as many mac apps)
Go to Tab	⌘ + Number Key (ie: ⌘2 is 2nd tab)
Go to Split Pane by Direction	⌘ + Option + Arrow Key
Cycle iTerm Windows	⌘ + backtick (true of all mac apps and works with desktops/mission control)

mitulmanish

let twoDimArr: [[Int]] = [[0, 0, 1], [1, 0, 1]]
        
for (i,row) in twoDimArr.enumerate() {
  for (j, cell) in row.enumerate() {
      print("m[\(i),\(j)] = \(cell)")
      print("**************")
  }
}

dmathewwws

private static func createUserEventData(user:SKUser, eventType:SKEventType, sticker:Sticker?) {
        
        // server endpoint
        let endpoint = "https://app.stickerkit.io/userEvent/v1/\(user.projectID)"
        
        guard let endpointUrl = URL(string: endpoint) else {
            return nil
        }
        
        //Make JSON to send to send to server

krodak

import RealmSwift
import Realm

protocol CascadeDeleting: class {
    func delete<Entity>(_ list: List<Entity>, cascading: Bool)
    func delete<Entity>(_ results: Results<Entity>, cascading: Bool)
    func delete<Entity: Object>(_ entity: Entity, cascading: Bool)
}

TomSoderling

#!/bin/bash

# Script to disable the iOS Simulator app from showing the "Do you want the application xxxx to accept incoming network connections?" pop-up every time the app is run

echo "> Enter password to temporarily shut firewall off"
sudo /usr/libexec/ApplicationFirewall/socketfilterfw --setglobalstate off

echo "> Add Xcode as a firewall exception"
/usr/libexec/ApplicationFirewall/socketfilterfw --add /Applications/Xcode.app/Contents/MacOS/Xcode

ankitthakur

public class Network:NSObject, URLSessionDelegate, URLSessionTaskDelegate, URLSessionDataDelegate {
    
    internal static let sharedInstance = Network()
    fileprivate var networkParams:Array<NetworkParams> = Array()
    
    fileprivate func networkCall(_ request:URLRequest, completionBlock:@escaping NetworkCompletionBlock)
    {
        let configurationId = String(format: "Network%d", arc4random())
        let configuration = URLSessionConfiguration.background(withIdentifier: configurationId)
        configuration.timeoutIntervalForRequest = request.timeoutInterval

oseme-techguy

#!/usr/bin/env bash

# To fix the " gpg: WARNING: unsafe permissions on homedir '/home/path/to/user/.gnupg' " error
# Make sure that the .gnupg directory and its contents is accessibile by your user.
chown -R $(whoami) ~/.gnupg/

# Also correct the permissions and access rights on the directory
chmod 600 ~/.gnupg/*
chmod 700 ~/.gnupg