IOS interview questions: OC Basic concept Questions

1. What are classes and objects?A class is an abstraction of a set of things that have the same characteristics and functionsObject describes the characteristics and behavior of an object.Class is an abstract object of an object that is an instance

Ios-kvc/kvo

KVC introduces a tool for setting values, for objects that point to IDs, like their memory access values. This is a bit like the reflection of Java;There is an object, known as its property name, that has the desired value:ID P=[[person alloc] init];

Citrix Xenmobile Learning Note II: MDM Mobile Device Management (Mobility device Management)

Product Introductionsi Jie (Citrix) delivers enterprise-class mobile device management in its comprehensive enterprise mobility solution (MDM) function. XenMobile MDM Edition enables role-based management and configuration of enterprise devices and

Android SQLite Alternative Usage (object access)

Using the SQLite database on the Andorid side is often the case, usually for each attribute corresponding to a field, and then the field to read, but today I do not say so. We access them through object serialization. Because a good programmer

The word limit for input boxes such as Uitextfield,uitextview is implemented in iOS

this article reprinted to http://blog.sina.com.cn/s/blog_9bf272cf01013lsd.html2011-10-05 16:48 533 people Read reviews (0)CollectionReport1. How to implement the word limit for Uitextfield, uitextview and other input boxes(1) First, be sure to let

FlashDevelop calling the iOS method

Source: http://blog.csdn.net/zu12jing/article/details/7331397Flash development tools with FlashDevelop (because FlashDevelop can also open the Flashbuilder project, in turn, do not know)I. Create a projectCreate an iOS project, this online a lot of

IOS Ane Implant Process

Source: Http://www.adsmogo.com/help/iosANEFirst, the IOS ane implant processStep 1: Create Flex Project 1.1 to launch Flash Builder 4.6.0, select "File", "New", "Flex Mobile Project" as shown in:1.2 After completing project name, click "Next" to

Introduction to iOS Development Knowledge points Summary

objective-cA dynamic language, the dynamic two words are mainly reflected in the time we call the method, the runtime back to the dynamic lookup method, and then call the corresponding function address. The runtime is the cornerstone of the entire

Configuring nagiosql-in Nginx Environment about NAGIOSQL configuration file

Next: Configuration nagios-in Nginx environment about NGINX.CONFThe Nagiosql file should be in the conf/domain/directoryThe Nagiosql configuration is as follows:1Server2{3Listen8088;4server_name192.168.44.44;5Index index.html index.htm

Android Eclipse Common shortcut keys

                              Eclipse Android Development often uses shortcut keys:Method above Add method header Comment Shift + ALT + JQuick extract code generation new method Shift + ALT + MQuick Rename Shift + ALT + RQuickly implement method

Dlmalloc (malloc implementation of Android Bionic C library) Introduction

Welcome Reprint Opendevkit Article, article original address: http://www.opendevkit.com/?e=56 Dlmalloc is currently a very popular memory allocator, written by Doug Lea since 1987, and so far the latest version is 2.8.3, due to its high efficiency

Windows Ubuntu Android Studio installs well Start no response solution

 reference:http://blog.csdn.net/qq305013720/article/details/8934152 There are currently three solutions for the implementation of studio.bat error causes Android studio to not run , and finally it is different . : The first method I used 1.

IOS Uilabel Properties

1 TextAlignment There are three ways to set up: (Beginning with UI, before IOS6 usage)(1) Nstextalignmentleft aligned to the left(2) Nstextalignmentcenter is center aligned(3) Nstextalignmentright is aligned to the right2 Linbreakmode (optional)

How the time-date format in Android is defined

1. How to ensure that the date format is consistent with the system settings:Date date = new Date(location.getTime());DateFormat dateFormat = android.text.format.DateFormat.getDateFormat(getApplicationContext());mTimeText.setText("Time: " +

iOS network programming--nsconnection synchronous and asynchronous connections

1 //2 //ZFVIEWCONTROLLER.M3 //0628-Forms validation4 //5 //Created by Zfan on 14-6-28.6 //Copyright (c) 2014 Zfan. All rights reserved.7 //8 9 #import "ZFViewController.h"Ten #import "mbprogresshud+mj.h" One A @interfaceZfviewcontroller () -

Hibernate one-to-one Mappings A pair of relational mappings

Hibernate one-to-one Mappings A pair of relational mappingsThe key: a one-to-many relationship map and a multi-pair relationship map are like, just Unique property value is TrueExample: An employee can have only one address.steps to use Hibernate

"Turn" IOS learning nspredicate fuzzy, accurate, query

From: http://blog.csdn.net/lianbaixue/article/details/10579117 brief description: The nspredicate in the cocoa Framework is used for querying, both in principle and in usage similar to where in SQL, The function is equivalent to the filter fetch of

WebView use targeting in windows8.1 app

windows8.1 the WebView of the Web page there is no way to directly locate the more difficult to locate a long time to find a viable wayThat is to get the location information through the background code and then invoke the JS method of obtaining

How to use apps to create self-profit from stars

How to use apps to create self-profit from stars1. Understand each conceptFor everyone to read this article, first explain a few concepts.App (application): All applications that can be used on mobile devices to meet people's needs for consulting,

ios-Multi-threading, organizing collections, creating multiple threads

gcd

-(BOOL) Application: (UIApplication *) application didfinishlaunchingwithoptions: (nsdictionary *) launchOptions{ Self.window = [[[UIWindow alloc] initwithframe:[[uiscreen mainscreen] bounds]] autorelease]; The first way to create a thread

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