2015-04-01から1ヶ月間の記事一覧
Difference between release and dealloc in objective-cstackoverflow.com
Difference between in and any operators in sqlstackoverflow.com
Benedict's Soapbox » Defining an Objective-C @property as Publicly readonly and Privately readwrite readonly in outside interface readwrite in inside interface and implementation (and synthesize) XYZViewController.h #import <UIKit/UIKit.h> @interface XYZ</uikit/uikit.h>…
@property can declare getter/setter property equiv to @property getter/setter|yes @property(readwrite) getter/setter (same as above) @property(readonly) getter|yes @synthesize can cut out getter/setter logic if set @property in interface h…
ARC All you have to do is claim ownership of any object you need and remember to relinquish ownership when you’re done with it. retain The retain method claims ownership of an existing object. It’s like telling the operating system, "Hey! …
check whether exists NULL when use NOT IN (related to: return value of IN predicate ; sql - Red > Green > Refactor > Red) create table member ( memberid serial, name text, age integer, home text, PRIMARY KEY(memberid) ); SELECT * FROM memb…
use serial official PostgreSQL: Documentation: 9.4: Numeric Types unofficial PostgreSQL - AUTO INCREMENTwww.tutorialspoint.com CREATE TABLE table_names ( id serial, name text, PRIMARY KEY(id) ); INSERT INTO table_names (name) VALUES ('taro…
same as Xcode 6 How do I set up NSZombieEnabled in Xcode 4?stackoverflow.com
atomic ... property is NOT writable ... @property (atomic) nonatomic ... property is writable ... @property (nonatomic) error: writable atomic property cannot pair a synthesized setter/getter with a user defined setter/getterstackoverflow.…
Between some outlet and mainstoryboard links are invalid check all outlet links are valid or ... delete link connections and reconnect them What does "Thread 1: signal SIGABRT" mean? | Treehouse Forumteamtreehouse.com
gist.github.com
NULL values represent missing unknown data. SQL NULL Values - IS NULL and IS NOT NULL
fowler's http://martinfowler.com/eaaDev/uiArchs.html codeproject http://www.codeproject.com/Articles/66585/Comparison-of-Architecture-presentation-patterns-M
Why in SQL NULL can't match with NULL?stackoverflow.com
MVVM Tutorial with ReactiveCocoa: Part 1/2 - Ray Wenderlichwww.raywenderlich.com ZZZViewController.h include view model header ZZZViewController.m ViewModel property is strong ZZZViewModel.h Properties should place in header because used f…
NYTimes/objective-c-style-guidegithub.com
Objective-C のプロパティ属性のガイドライン - Qiitaqiita.com
Introduction to MVVM - Architecture - objc.io issue #13www.objc.io iOS Design Patternswww.raywenderlich.com
PostgreSQL 9.4.1 こんなテーブルから products name ---------------- cpu_heat mouse_cat keyboard_punch 以下順列テーブルを出す name | name ----------------+---------------- cpu_heat | cpu_heat cpu_heat | mouse_cat cpu_heat | keyboard_punch mo…
what is decimal(p, s) p ... precision (式の桁数) p = 1 => 1 p = 2 => 10 p = 3 => 100 s ... scale (小数点以下の桁数) s = 1 => 0.1 s = 2 => 0.01 s = 3 => 0.001 PostgreSQL: Documentation: 9.4: Data Types diff (decimal and numeric) (continue t…
int and int4 are allies for integer official PostgreSQL: Documentation: 9.4: Data Types unofficial SQL base types: integer vs int?stackoverflow.com
no difference varchar(n) and text official PostgreSQL: Documentation: 9.4: Character Types unofficial PostgreSQL data type text vs varchar without lengthdba.stackexchange.com note: PostgreSQL: Don't Use CHAR or VARCHAR
Visual Representation of SQL Joins - CodeProject
A Visual Explanation of SQL Joins
official P38 https://developer.apple.com/jp/documentation/ObjC.pdf unofficial Best way to define private methods for a class in Objective-Cstackoverflow.com
Tool what ViewController talk over View What is the difference between outlet connection and action connection?stackoverflow.com
just reboot Xcode don't shut down emulator without xcode's stop button(Stop the running schema or application) Error after Xcode 6.3 updatestackoverflow.com
Prefer composition over inheritance?stackoverflow.com
http://d.hatena.ne.jp/JavaBlack/touch/20150118/p1
http://d.hatena.ne.jp/JavaBlack/touch/20150118/p1
