is8r

[self.navigationController setNavigationBarHidden:YES animated:YES];

is8r

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
    UITableViewCell *cell = [self tableView:tableView cellForRowAtIndexPath:indexPath];
    CGSize size = [cell.textLabel.text sizeWithFont:cell.textLabel.font constrainedToSize:tableView.frame.size lineBreakMode:UILineBreakModeWordWrap];
    return size.height;
}

is8r

//sortNSMutableArray(array, attr);
static inline NSMutableArray *sortNSMutableArray(NSMutableArray *ar, NSString *attr) {
    NSSortDescriptor *dateAsc = [[[NSSortDescriptor alloc] initWithKey:attr ascending:NO] autorelease];
    NSMutableArray *descriptors = [NSArray arrayWithObjects:dateAsc, nil];
    [ar sortUsingDescriptors:descriptors];
    return ar;
}

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= link_to "xxx", "#", :class => ["active"]
= link_to "xxx", "#", {:class => "active"}

is8r

//NSDateを渡して現在の時間との時間差を求める
//getTiming(date);
static inline NSString* getTiming(NSDate *date) {
    NSDateFormatter *dateFormatter = [NSDateFormatter new];
    [dateFormatter setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"ja_JP"]];
    [dateFormatter setDateFormat:@"yyyy/MM/dd HH:mm:ss"];
    NSString *sdate = [dateFormatter stringFromDate:date];
    NSDate *now = [NSDate dateWithTimeIntervalSinceNow:[[NSTimeZone systemTimeZone] secondsFromGMT]];
    NSTimeInterval since = [now timeIntervalSinceDate:date];
    int day = since/(24*60*60);

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NSMutableDictionary *dic = @{
                      @"xxx":xxx,
                      @"xxxx":xxxx
                      }.mutableCopy;

//or

NSMutableDictionary *dic = @{}.mutableCopy;
dic[@"xxx"] = @"xxx";
dic[@"xxxx"] = @"xxxx";

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NSMutableArray *ar = @[
                      @"xxx",
                      @"xxxx"
                      ].mutableCopy;

NSMutableArray *ar = @[].mutableCopy;
ar[0] = @"xxx";
ar[1] = @"xxxx";

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$(e.target).closest('li')

is8r

for p in ar
  console.log p

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// 遅延
[self performSelector:@selector(onDelay) withObject:nil afterDelay:11.0];

// 遅延（引数有り）
[self performSelector:@selector(onDelay:) withObject:@(10) afterDelay:1.0];

- (void)onDelay
{
    NSLog(@"onDelay");
}