rowwingman

#########################
# .gitignore file for Xcode4 and Xcode5 Source projects
#
# Apple bugs, waiting for Apple to fix/respond:
#
#    15564624 - what does the xccheckout file in Xcode5 do? Where's the documentation?
#
# Version 2.3
# For latest version, see: http://stackoverflow.com/questions/49478/git-ignore-file-for-xcode-projects
#

rowwingman

@interface MyCustomObject : NSObject <NSCopying, NSMutableCopying> {
    @protected
// Declare ivar, all ivars are protected by default.
  NSString *_content;
}

// Declare property "content" as readonly.
@property (nonatomic, copy, readonly) NSString *content;
//...

rowwingman

private let syncQueue = dispatch_queue_create("com.onevcat.photoQueue", DISPATCH_QUEUE_CONCURRENT)

- (NSString*)someString {
  __block NSString *localSomeString;
  dispatch_sync(_syncQueue, ^{
    localSomeString = _someString;
  });
  return localSomeString;
}

rowwingman

// http://codegists.com/code/hackerrank-swift-input/
import Foundation
 
//MARK: STDIN STDOUT
func readData() -> NSData {
    return NSFileHandle.fileHandleWithStandardInput().availableData
}
 
func readString() -> String {
    return String(data: readData(), encoding:NSUTF8StringEncoding)!.stringByTrimmingCharactersInSet(NSCharacterSet.whitespaceAndNewlineCharacterSet())

rowwingman

mr	Marathi
bs	Bosnian
ee_TG	Ewe (Togo)
ms	Malay
kam_KE	Kamba (Kenya)
mt	Maltese
ha	Hausa
es_HN	Spanish (Honduras)
ml_IN	Malayalam (India)
ro_MD	Romanian (Moldova)

rowwingman

1). move git-completion.bash file to your root directory (cd ~)
2). move git-prompt.sh file to your root directory (cd ~)
3). Setup .bash_profile

4). add sublime as text editor for git
// https://stackoverflow.com/questions/10892368/problems-using-subl-command-in-terminal-command-not-found-no-such-file-or
// Setup sublime command in terminal
// https://help.github.com/articles/associating-text-editors-with-git/
$ sudo rm /usr/local/bin/subl
$ sudo ln -s /Applications/Sublime\ Text.app/Contents/SharedSupport/bin/subl /usr/local/bin/subl

rowwingman

What is a mutex and how does it work

Imagine a big office (your program), with many assets (shared resources) and many employees (threads). For example, all employees share one common resource - a toilet. They have agreed to use a label on a toilet's door (mutex).

When an employee wants to use the toilet he checks a label on a door (locks a mutex). If it is "engaged" he waits (blocks on a mutex), then when it is "free", he enters the toilet and changes the label to

rowwingman

// Create environment:
python3 -m venv env

// Run environment:
. env/bin/activate

// install package:
pip install name_of_package
// example
pip install requests

rowwingman

disabled_rules:
  - block_based_kvo
  - class_delegate_protocol
  - closing_brace
  - closure_parameter_position
  - colon
  - comma
  - compiler_protocol_init
  - control_statement
  - cyclomatic_complexity

rowwingman

https://askubuntu.com/questions/719912/how-to-find-all-empty-files-and-folders-in-a-specific-directory-including-files

Find empty folders: From ~/list folder:

find . -empty -type d for listing empty directories and

find . -empty -type f for listing empty files.