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View reflection_test.swift
#!/usr/bin/env cato 1.2
import Foundation
class OptCls: NSObject {
dynamic var s: String?
dynamic var nos: String = ""
dynamic var nss: NSString?
dynamic var ius: String!
dynamic var i: Int = 0
segiddins / evil.m
Created Apr 18, 2015
I swear, I only did this for an experiment
View evil.m
#import <objc/runtime.h>
#import <Foundation/Foundation.h>
int main(int argc, char *argv[]) {
@autoreleasepool {
IMP imp = imp_implementationWithBlock(^id(id self, id block, id arg){
NSLog(@"self: %@, arg: %@", self, arg);
return self;
class_addMethod([NSObject class], @selector (foo), imp, "@@:@");
segiddins / each_ruby
Last active Aug 29, 2015
Run a shell command in each rbenv version installed
View each_ruby
versions = `rbenv versions --bare`.split("\n").map(&:strip)
warn "rbenv not installed" && exit(1) unless $?.success?
versions.each do |v|
puts "rbenv shell #{v}"
system({"RBENV_VERSION" => v}, ARGV.join(' '))
puts '-' * 80
segiddins / app
Last active Aug 29, 2015
A tiny app launcher
View app
#!/usr/bin/env ruby
app = requested = ARGV.shift
unless File.executable?(app)
escaped_app = app.gsub(/(.)/, '\\\\\1')
app = Dir.glob("/Applications/#{escaped_app}.app/Contents/MacOS/{#{escaped_app},*}").first
Process.detach Process.spawn([app, requested], *ARGV, err: '/dev/null', out: '/dev/null')
View TypeErasure.swift
protocol Typed {
typealias Element
func elem() -> Element
struct Concrete<T>: Typed {
typealias Element = T
let e: T
func elem() -> T {
return e
View sort_imports
#!/usr/bin/env ruby
require 'pathname'
code_files = ARGV
code_files.each do |file|
file = Pathname(file)
contents =
contents.gsub!(/(^#import .*\n)+/) do |imports|
imports = imports.split("\n")
imports.sort.uniq.join("\n") << "\n"