lukewar

xcodebuild test -workspace <>.xcworkspace -scheme <> -destination "platform=iOS Simulator,name=iPhone Retina (4-inch),OS=7.1

lukewar

NSBlockOperation *operation = [NSBlockOperation blockOperationWithBlock:^{
    dispatch_group_t dispatchGroup = dispatch_group_create();
    dispatch_group_enter(dispatchGroup);
    [task runWithCompletion:^{
        dispatch_group_leave(dispatchGroup);
    }];
    dispatch_group_wait(dispatchGroup, DISPATCH_TIME_FOREVER);
}];

lukewar

- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath
{
    if ([tableView respondsToSelector:@selector(setSeparatorInset:)]) {
        [tableView setSeparatorInset:UIEdgeInsetsZero];
    }
    if ([tableView respondsToSelector:@selector(setLayoutMargins:)]) {
        [tableView setLayoutMargins:UIEdgeInsetsZero];
    }
    if ([cell respondsToSelector:@selector(setLayoutMargins:)]) {
        [cell setLayoutMargins:UIEdgeInsetsZero];

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;

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

#define STRINGIFY(k) (@#k)

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

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

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

lukewar

grep -r advertisingIdentifier .

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: