Mobile Develop

Compare is a method in NSString, which compares strings according to the ACSII code table.NSString *num1 = @ "5.2.0"; NSString *num2 = @ "5.3.0"; Nsinteger a=[num1 compare:num2]; if (a==nsorderedascending) { NSLog (@ "

UIView, such as the effect of simple implementation, which login page demo to example.+ (void) Animatewithduration: (nstimeinterval) Duration animations: (void (^) (void)) animations; UIView A class method, you can see that there are only two

The Nine-patch picture is a specially processed PNG image that specifies which areas of the picture can be stretched and which areas are not.(a) defects in the normal picture being stretchedThere is the following XML file, where the background image

Categories (category) modify the navigation bar of a specific Viewcontroller item iconIn the project, you encounter such a problem:When a new VIewController1 wants to push to the original other VIewController2The original VIewController2 navigation

1. Introduction to TCP wrapper(Wikipedia)TCP Wrapper is a host-based Networking ACL system, used to filter network access to Internet Protocolserver s on (unix-like) operating systems such as Linux or BSD. It allows host or subnetwork IP

Finishing my actual development encountered some problems and solutions and some development skills, will not be updated regularly.tips:利用“目录”可快速导航1. Trace the history of one of the classes in the SDK with the increase in the SDK version. (Find API

The difference between NSBundle and Nsurl:In the project to add a file, this routine added is Aa.txt, the content of the file is Baidu: www.baidu.com, now to use NSBundle and Nsurl respectively to get the content, the code is as follows:1 //Read

Android Registration pagePageMain.xml Source"1.0"

Introduced:Kmcgeigercounter is an iOS frame-rate calculator that, like the Geiger counter, records once when the animation loses a frame. Dropped frames are usually invisible, but it's hard to tell the difference between 55fps and 60fps, and

There are several properties of ImageView's scaletype, namely matrix (default), center, Centercrop, Centerinside, Fitcenter, Fitend, Fitstart, FitxyAndroid:scaletype= "Center"Keep the size of the original, displayed in the center of the ImageView.

The REM layout is one of the most common layouts on mobile and is a more mature solution. The following is a detailed talk about the actual operation of the REM layout.1. First add label, set the viewport size, not much to say.2 Set the font size

ObjectiveDevelopment nearly seven years, for programmers, the layman has a number of irony and misunderstanding, but I do not bother to explain, code porters or migrant workers, let them say it. But the recent spread of the online programmer bubble,

Wen/yehot (author of Jane's book)Original link: http://www.jianshu.com/p/a2007d8e2607Copyright belongs to the author, please contact the author to obtain authorization, and Mark "book author".Why should I use Cocoapods as a third-party dependency

Keymob Mobile Ad Aggregation platform is the leading mobile advertising aggregation platform in China, and is committed to providing a one-stop service solution for Android, iOS application promotion and profit for the majority of application

The last one we said Runloop several models, then we in the pattern to do what???There are three modules in the mode:Event source (input source) sourceSource:Sort by official documentsPort-basedCustom InputCocoa Perform SelectorAccording to the

1. Android to achieve traffic monitoring before the 2.2 version did not have a dedicated class and interface, my online view of everyone's method is basically read a file/proc/net/dev, this method I did not use, did not carry out in-depth study.2. I

XmlXML version= "1.0" encoding= "Utf-8"?>scrolling View -ScrollViewxmlns:android= "Http://schemas.android.com/apk/res/android"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent"android:padding= "10DP"Android:scrollbars=

Since the development of the application needs to build servers and databases, so understand the online back-end cloud services, The initial understanding of the choice of domestic bmob, the following is a brief introduction of its use:1. Register

/**Get an age 18 ID card from your ID card*/-(nsstring *) getidentitycardage: (nsstring *) numberstr{NSDateFormatter *formattertow = [[nsdateformatter alloc]init];[formattertow setdateformat:@ "yyyy-mm-dd"];NSDate *bsydate = [formattertow

1. Layout Reuse The label can reuse the layout file, which is simple to use as Follows: "http:/ /schemas.android.com/apk/res/android " android:orientation=" Vertical " an Droid:layout_width= "match_parent" android:layout_height=