lukewar

Hash.new { |h, k| h[k] = [] }

lukewar

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

lukewar

Xcode
((.|\n)*) Created by .*$

Appcode:
(.|\n)* Copyright

lukewar

Keybase proof

I hereby claim:

• I am lukewar on github.
• I am lukewar (https://keybase.io/lukewar) on keybase.
• I have a public key ASDI7f_Cs2zIpbUjgSZdgiEplHaq0l99a0rf9XvIazty1Ao

To claim this, I am signing this object:

lukewar

grep -r advertisingIdentifier .

lukewar

openssl pkcs12 -in cert.p12 -out cert.pem -nodes

-nodes - option if you want to export the private key unencrypted (plaintext):

lukewar

- make sure you specified 'binary_basename' or 'binary_file'
- make sure your project has coverage enabled
- make sure that configuration you're using to gather coverage has *Build Active Architecture Only* `ONLY_ACTIVE_ARCH` set to `YES`

lukewar

#define STRINGIFY(k) (@#k)

lukewar

CGFloat timeout = 2;

dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
_timer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, queue);

dispatch_source_set_timer(_timer, dispatch_time(DISPATCH_TIME_NOW, timeout * NSEC_PER_SEC), DISPATCH_TIME_FOREVER, 0);
dispatch_source_set_event_handler(_timer, ^{
    // custom code
    
    dispatch_source_cancel(_timer);

lukewar

#include <time.h>

// Source http://blog.soff.es/how-to-drastically-improve-your-app-with-an-afternoon-and-instruments/

+ (NSDate *)dateFromISO8601String:(NSString *)string {
    if (!string) {
        return nil;
    }

    struct tm tm;