helje5

// Created by Helge Heß 2021-06-17

import Foundation

// They use obfuscated names to hide it from us!
import JavaScriptCore

/// Setup our async/await runtime.
let runtime = JSContext()!

jls21

If you are having device with new iOS version(iOS 10.3 for example), but don't wanna to update XCode 8.2.1. 
It's very simple to run application on new iOS with old XCode.

Check this out. 
Follow the steps:

1. Download .dmg file with new XCode from apple developer portal (https://developer.apple.com/download/more/).
2. Keep your old XCode and unarchive new XCode from .dmg file.
3. Goto (New XCode path)/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport and copy folder with new iOS
4. Paste it to (Old XCode path)/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport 

marcoconti83

/**

# QUESTION

Is there a way to combine `guard` and `try-catch`, so that we can
exploit the `guard let` to have a immutable value, but have an early
return in case of errors?

*/

serveba

#Just base64 encode a binary file:
openssl base64 -in file.bin -out file.b64

#Decode the same file
openssl base64 -d -in file.b64 -out file.bin

#Encrypt a file using triple DES in CBC mode using a prompted password:
openssl des3 -salt -in file.txt -out file.des3

#Decrypt a file using a supplied password:

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

Kentzo

#ifndef CGFLOAT_EPSILON
    #if CGFLOAT_IS_DOUBLE
        #define CGFLOAT_EPSILON DBL_EPSILON
    #else
        #define CGFLOAT_EPSILON FLT_EPSILON
    #endif
#endif