katsuhide

a = "foo bar baz"
puts a
puts a.scan(/f+/)

puts "========" 
b = "foo 10 bar 20 baz 30"
puts b
puts b.scan(/\w+/)

puts "========" 

katsuhide

@interface NSDate (Util)
 
- (NSDate*)toLocalTime;
 
@end
  

katsuhide

    // 現在時間を取得
    NSDate *now = [NSDate date];
    NSLog(@"now:%@", [now toLocalTime]);    // now:2013-06-01 00:19:46 +0000

    // 現在時間にインターバル時間を足す
    NSTimeInterval interval = 3600;   // 秒
    NSDate *after = [now dateByAddingTimeInterval:interval];
    NSLog(@"after:%@", [after toLocalTime]);    // after:2013-06-01 01:19:46 +0000
    
    // 時間の判定

katsuhide

/*
 * main
 */
- (void)run{
  // タイマーで使うデータ
  NSNumber *number = [[NSNumber alloc] initWithInt:1];    
  NSMutableDictionary *dic = [NSMutableDictionary dictionaryWithObject:number forKey:@"count"];

  // タイマーを作成
  NSTimer *timer = [NSTimer

katsuhide

    // DB設定情報
    NSString *databaseName = @"main.db";
    NSString *path = @"/tmp";
    NSString *databasePath = [path stringByAppendingPathComponent:databaseName];
    FMDatabase *db  = [FMDatabase databaseWithPath:databasePath];

    // Query
    NSString *sql = @"select hoge1, hoge2 participants from hoge;";

    // Open DB

katsuhide

// 3秒スリープ
[NSThread sleepForTimeInterval:3];

katsuhide

// 空のNSMutableStringを生成
NSMutableString *mstr = [NSMutableString string];

// 文字列を指定した生成
NSString *str = @"hoge"
if(str != nil){
    NSMutableString *mstr = [NSMutableString stringWithString:str];
}

// 文字列を追加

katsuhide

// autorelease onで生成
NSMutableArray *Array = [NSMutableArray array];

// autorelease offで生成
NSMutableArray *Array = [[NSMutableArray alloc] init];
NSMutableArray *Array = [[NSMutableArray alloc] initWithObjects: nil];

// 配列の作成
NSArray *ar = [NSArray arrayWithObjects:@"東京", @"名古屋", @"大阪", nil];

katsuhide

/*
 * save
 */
-(void)save{
    NSError *error = nil;
    if (![[self managedObjectContext] commitEditing]) {
        NSLog(@"%@:%@ unable to commit editing before saving", [self class], NSStringFromSelector(_cmd));
    }
    if (![[self managedObjectContext] save:&error]) {
        [[NSApplication sharedApplication] presentError:error];

katsuhide

// short型→NSNumber型
NSNumber *num = [NSNumber numberWithShort:32767];

// int型→NSNumber型
NSNumber *num = [NSNumber numberWithInt:2147483647];

// long型→NSNumber型
NSNumber *num = [NSNumber numberWithLong:2147483647];

// float型→NSNumber型