drrost

# Comile the leaker
clang leaker.c -o leaker

# Run leaks detecting tool
leaks -atExit -- ./leaker | grep LEAK:

# Optional
cd /usr/local/lib
sudo ln -s /Applications/Xcode.app/Contents/Developer/usr/lib/libLeaksAtExit.dylib

drrost

#include <stdio.h>
#include <stdlib.h>

int main(void) {
    char *p = (char *) malloc(12);
    p = 0; // the leak is here
    printf("Hello, leak!\n");
    return 0;
}

drrost

# To `~/.bash_profile`:
emacs ~/.bash_profile

# Add the line:
UNCRUSTIFY_CONFIG="$HOME/.uncrustify"

# Generate a new configuration file:
uncrustify --update-config -o ~/.uncrustify

# Usage

drrost

extension Font {

    public static let h1: Font = .largeTitle
    public static let h2: Font = .title
    public static let h3: Font = .headline
    public static let h4: Font = .subheadline
    public static let h5: Font = .body
    public static let h6: Font = .callout
    public static let h7: Font = .footnote
    public static let h8: Font = .caption

drrost

//
//  SceneDelegate.swift
//
//  Created by Rostyslav Druzhchenko on 14.01.2020.
//  Copyright © 2020 Rostyslav Druzhchenko. All rights reserved.
//
//  Instruction:
//
//    1. Create a sharable class:
//        1. Inherit the class from `ObservableObject`.

drrost

import Foundation

private let kHexHeader = "87654321  0011 2233 4455 6677 8899 aabb ccdd eeff  0123456789abcdef\n"
private let kLineHeader = "00000000:"
private let kLineLength = 16

extension Data {
    
    func hexArray() -> String {

drrost

extension String {
 
    // MARK: - Substring
 
    private func index(from: Int) -> Index {
        self.index(startIndex, offsetBy: from)
    }

    func substring(from: Int) -> String {
        let fromIndex = index(from: from)

drrost

extension Date {

    private static let isoDateFormatter: DateFormatter = {

        let dateFormatter = DateFormatter()

        dateFormatter.locale = Locale(identifier: "en_US_POSIX")
        dateFormatter.timeZone = TimeZone(abbreviation: "GMT")
        dateFormatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ss.SSS"

drrost

import Foundation

func readVariable(_ name: String) -> String {
    if let value = ProcessInfo.processInfo.environment[name] {
        return value
    }
    return ""
}

let homePath = readVariable("HOME")

drrost

#!/usr/bin/env swift

import Foundation

@discardableResult
func shell(_ args: String...) -> Int32 {
    let task = Process()
    task.launchPath = "/usr/bin/env"
    task.arguments = args
    task.launch()