The builder mode is the last created design pattern and the creation of the research object.
Separating the creation of a complex object from its representation allows the same build process to create different representations.
What it means to create and represent .
Expression is external, object-specific appearance, and the internal building process is a concept of assembly, a bit like a set of dolls, the same structure, but produced a different size of the appearance.
By convention, tell the
I recently bought oneElleThere is a label on the trousers, saying: "This clothing is green fuel dyeing, please separate washing, Each wash will fade, is a normal phenomenon, is a manifestation of the nostalgic design style ." If the previous sentence is still normal, the last sentence is obviously too far-fetched. The disadvantage of fading every time is described as a design style, so you have to face it! If it is really a design style, it can be completely made into a nostalgic look with some
I recently read some knowledge about design patterns and plan to record the learning process to further deepen my understanding.
In terms of the design pattern type, the simple factory pattern belongs to the creation pattern, also known as the staticfactory method pattern, but not one of 23 gof design patterns. In simple factory mode, a factory object determines the product type instance to create. The simple factory model is the simplest and Practical Model in the factory model family. It can
Bridge Mode: separates abstract parts from their implementations so that they can all change independently. The method to implement separation is to add a class,11. 1. Explanation
Main (), customer
IProduct, product Interface
CHouse, house
CIPod, ipod
CClothes, clothing
CNewCorp, bridge class, MakeMoney () is the Bridge Method
CNewHouseCorp can only produce houses, so the constructor is CHouse *
CShanZhaiCorp, the constructor is IProduct *
Note: The c
the scaling rate:CGFloat scale_screen = [UIScreen mainScreen]. scale;At this time, the product of the width and height of the screen size and the scale is the corresponding resolution value.CGRect sizeOfA4 = CGRectMake (0, 0,595,842); // when generating a PDF file, follow the A4 standardCGRect sizeOfA5 = CGRectMake (0, 0,421,595); // when generating a PDF file, follow the A5 StandardNote: whether scale = 1 or scale = 2, the settings of the standard sizeOfA4 and sizeOfA5 of the paper remain unch
1.OpenGL ES version Support
Iphone:iphone 3G (including the iphone 3G) version of the device only supports OpenGL Es1.1,iphone 3GS above (including the iphone 3GS) version of the device to support both OpenGL ES1.1 and OpenGL ES2.0. Ipad:ipad all versions of the device support both OpenGL ES1.1 and OpenGL ES2.0. The ipod touch:ipod Touch2 (including the ipod Touch2) version of the device only supports OpenG
XTRADB/INNODB may use the new file format. Each format has its own name, and their identifier ID is from 0-25. These names have been figured out, all based on the alphabetical order of animal names: Antelope, Barracuda, Cheetah, Dragon, Elk, Fox, Gazelle, Hornet, Impala, Jaguar, Kangaroo, Leop ARD, Moose, Nautilus, Ocelot, porpoise, quail, Rabbit, Shark, Tiger, Urchin, Viper, Whale, Xenops, yak, and Zebra. Back to Linux series article outline: http:
Recently has not net, finally has the network, probably understood the next, the media inquires the thing, the CSS3 part, below is the information which from the net search, together to see.In fact, I understand the media query is: Our Web page allows users to be in different sizes of mobile devices have a good user experience,As part of the CSS3 specification, media queries extend the role of media properties that control how your style is applied. For example, over the years people often use a
General icon The following several:icon.png–57x57 IPhone (IOS5/6)[Email protected]–114x114 iPhone Retina (IOS5/6)icon-72.png–72x72 IPad (IOS5/6)[Email protected]-144x144 iPad Retina (IOS5/6)[Email protected]-120x120 iphone ipod Touch (IOS7/8)[Email protected]-180x180 iphone6 Plus (iOS8)icon-76.png-76x76 ipad2 ipad Mini (IOS7/8)[Email protected]-152x152 ipad retina (IOS7/8)The following do not differentiate between iphone or ipad. Visible, in iOS6.1
leopard platforms (such as leopard or windows) after opening the DMG file, some types of files (such as all *. *. the strings file is 0 bytes in size and the file content is empty. This is because snow leopard stores the content of these files in the resource fork. Although leopard and earlier Mac OS X platforms cannot be read, the file content still exists, however, in windows, the content of these files will be discarded along with the entire Resource Branch. There are no effective methods to
Original article address:How to Use the 40 best features of iPhone OS 3.0 (on)
Author:Kungfupanda
Apple has released iPhone OS 3.0. iPhone and iPod Touch users can use iTunesUpgrade. The iPhone OS 3.0 contains many new features and many details for improvement. The following describes the details and usage of the 40 best functions.
1. Forward or delete text messages
This long-standing common feature has finally arrived, allowing you to easi
How to obtain the hardware name of an ios device
1. If you want to obtain the specific device, the first generation of the product must include
# Import "sys/utsname. h"
Is defined as an auxiliary function:
+ (Std: string) getIosDeviceNameAndGeneration;
Function implementation:
+ (Std: string) getIosDeviceNameAndGeneration
{
Structutsname systemInfo;
Uname ( systemInfo );
NSLog (@ "% @", [NSStringstringWithCString: systemInfo. machineencoding: NSUTF8StringEncoding]);
Return std: string
ArticleDirectory
Preparation
Backup Data
Back up SHSH
Recover firmware
Jailbreak
Add software sources for cydia
Install appsync
Install software
This article uses iPod Touch 4 as an example to conduct jailbreak practices for iOS 5.1.1. The jailbreak methods for other iOS devices are similar. This article will detail the process before and after jailbreak and the causal relationship, it should be a Super invincible
At present, I have received news from the famous American digital magazine T3. Apple's former designer, Mr. Rober Brunner, who designed a series of classic Apple products including PowerBook and Ipod, recently, several future Apple iPod models have been designed. Although they are currently only in the design phase, I believe they will appear in the Apple store in the near future. Podwatch
*homepath = Nshomedirectory ();NSString *docpath = [homepathstringbyappendingformat:@ "/documents"];1-Audio[1] Music is often stored in the ipod music library (note location), can be read through the media selector (medium picker) or media query, and then played mpmusicplayercontroller with the music player.Mpmusicplayercontroller *musicplayer =[mpmusicplayercontroller Applicationmusicplayer];[Musicplayer setshuflemode:mpmusicshufflemodesongs];[Music
size is the corresponding resolution value.CGRect sizeOfA4 = CGRectMake (0, 0, 595, 842);//A4 standard when generating PDF filesCGRect sizeOfA5 = CGRectMake (0, 0, 421, 595);//A5 standard when generating PDF filesNote: Regardless of scale=1 or scale=2, the standard sizeOfA4 and sizeOfA5 settings for the paper are the same, because the width we normally set is a logical point in the iOS system, not a real pixel!As long as the screen is scaled up and down, [[Uiscreenmainscreen]bounds].size is not
released IPhone6 plus increases the screen size significantly while increasing the resolution to 401ppi.
The resolution of your IOS device:
Reference: http://blog.csdn.net/jiajiayouba/article/details/25554405
Iphone/ipod Touch
Normal screen 320 pixels x 480 pixels iPhone 1, 3G, 3gs,ipod touch 1, 2, 3
3:2 Retina Screen 640 pixels x 960 pixels iPhone 4, 4s,ipod to
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