satoshin2071 / gist:5243543

Created March 26, 2013 06:34

ActiveRecordでgroup Byしてカウントをして、カウント数でorderする via 酒と泪とRubyとRailsと

	#===sample
	#
	#MP3プレイヤーのProductのmaker名をレコード数の多い順に並べてその結果のハッシュのkeyであるmaker名を配列として取得
	#
	Product.where(category: "MP3 Player").group(:maker).order('count_maker desc').count('maker').keys

satoshin2071 / gist:5261187

Last active December 15, 2015 12:38

NSLogまとめ

	//そのobjがどのクラスに属するか
	NSLog(@"%@",NSStringFromClass([obj class]));

	//frame
	NSLog(@"%@",NSStringFromCGRect(startFrame));

	//メソッド名とクラス名と行番号
	NSLog(@"%s #%04d", __PRETTY_FUNCTION__, __LINE__);

	//インスタンスのクラス名

satoshin2071 / gist:5261221

Last active December 15, 2015 12:38

xcode4でDEBUGのプリプロセッサマクロでDEBUGフラグの設定。とprefix.pchの設定。ついでにRelease ビルドで NSLog() を無効化する

	Build Settings > Apple LLVM compiler - Preprocessing > Preprocessor Macros

	Debug: DEBUG=1
	Release: （DEBUG未定義）

	みたいな感じ設定

	コード内で

	// デバッグ用マクロ

satoshin2071 / gist:5465171

Created April 26, 2013 05:14

Install and Configure wget on OS X Mountain Lion 10.8 and fix SSL GNUTLS error

	get Xcode

	preferences ->　download ->　commandLintTools install

	sudo mkdir /usr/local/src
	sudo chmod 0777 /usr/local/src
	cd /usr/local/src

	curl -O http://ftp.gnu.org/gnu/wget/wget-1.14.tar.gz
	tar -zxvf wget-1.14.tar.gz

satoshin2071 / markdown.md

Last active December 19, 2015 08:18 — forked from azu/markdown.md

Code - コードの挿入

puts 'The best way to log and share programmers knowledge.'

puts 'The best way to log and share programmers knowledge.'

また、コードをインライン表示することも可能です。

satoshin2071 / file0.txt

Created July 4, 2013 02:17

heroku コマンドでUnable to verify certificateエラーが出たら ref: http://qiita.com/satoshin2071/items/bcda0304ea0571b3c4eb

	failed
	! Heroku client internal error.
	! Search for help at: https://help.heroku.com
	! Or report a bug at: https://github.com/heroku/heroku/issues/new

	Error: Unable to verify certificate, please set `Excon.defaults[:ssl_ca_path] = path_to_certs`, `Excon.defaults[:ssl_ca_file] = path_to_file`, or `Excon.defaults[:ssl_verify_peer] = false` (less secure). (Excon::Errors::SocketError)
	Backtrace: /Users/name/.rvm/gems/ruby-1.9.3-p392/gems/excon-0.25.1/lib/excon/ssl_socket.rb:69:in `connect'
	/Users/name/.rvm/gems/ruby-1.9.3-p392/gems/excon-0.25.1/lib/excon/ssl_socket.rb:69:in `initialize'
	/Users/name/.rvm/gems/ruby-1.9.3-p392/gems/excon-0.25.1/lib/excon/connection.rb:365:in `new'
	/Users/name/.rvm/gems/ruby-1.9.3-p392/gems/excon-0.25.1/lib/excon/connection.rb:365:in `socket'

satoshin2071 / gist:5973580

Created July 11, 2013 08:25

特定のVCまでpopするサンプル

	- (void) popToBeforeHogeViewController
	{
	// HogeViewController のインデックスを探す
	NSInteger targetIndex = -1;
	for (int i = 0; i < self.viewControllers.count; i++)
	{
	if ([self.viewControllers[i] isKindOfClass:[HogeViewController class]])
	{
	targetIndex = i - 1;
	break;

satoshin2071 / gist:5973583

Created July 11, 2013 08:25

objc url encode & decode

	//encoding
	NSString escapedUrlString = (NSString )CFURLCreateStringByAddingPercentEscapes(
	NULL,
	(CFStringRef)plainString,
	NULL,
	(CFStringRef)@"!*'();:@&=+$,/?%#[]",
	kCFStringEncodingUTF8 );

	//decoding
	NSString decodedUrlString = (NSString ) CFURLCreateStringByReplacingPercentEscapesUsingEncoding(

satoshin2071 / NSArray+quickSort.h

Created July 29, 2013 01:52

objective-C QuickSort

	#import <Foundation/Foundation.h>

	@interface NSArray (quickSort)

	- (NSArray*)quickSort;
	@end

satoshin2071 / NSArray+grep.h

Last active December 20, 2015 09:58

objective-c blocks Practice

	#import <Foundation/Foundation.h>

	@interface NSArray (grep)
	- (NSArray *)grep:(BOOL(^)(id))block;
	@end

SatoshiN satoshin2071