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The minimum size of clickable elements is 44x44. Take the iPhone 4S as an example, the PPI is 326, and the conversion formula of the PPI and screen size is: PPI = √ a ^ 2 + B ^ 2/c ^ 2a, B is the regional pixel size, c is the size ). Therefore, the formula can be reversed to obtain the actual size of the minimum click area of the iPhone 4S is 0.19in. In addition, we know that 1in = 25.4mm, so the minimum si

%;overflow: hidden;}.page {overflow: hidden;display: none;-webkit-transition: -webkit-transform .4s ease;transition: transform .4s ease;-webkit-backface-visibility: hidden;backface-visibility: hidden;} . Container and. page are initialized with absolute positioning and full screen layout. Each section. page represents a page and is not displayed by default. All pages are located in the same way. That is to

device IPhone width Width high Height Diagonal Diagonal logical resolution (point) scale Factor device resolution (pixel) PPI 3GS 2.4 inches (62.1 mm) 4.5 inches (115.5 mm) 3.5-inch 320x480 @1x 320x480 163 4 (s) 2.31 inches (58.6 mm) 4.5 inches (115.2 mm) 3.5-inch 320x480 @2x 640x960 326

:0.5s;Animation-delay:0.5s;}. Show. Leafimg2{Top:-140px; Left:288px;-webkit-animation-name:Dropanim;-moz-animation-name:Dropanim;Animation-name:Dropanim;-webkit-animation-duration:5.8s;animation-duration:5.8s;-webkit-animation-delay:8s;Animation-delay:8s;}. Show. Leafimg2 img{-webkit-animation-name:Flipanim;-webkit-moz-name:Flipanim;Animation-name:Flipanim;-webkit-animation-duration:6.5s;animation-duration:6.5s;-webkit-animation-delay:8s;Animation-delay:8s;}. Show. LEAFIMG3{Top:-140px; Left:1328

location-based reminder when you leave or arrive at a location (for iPhone 4S and iPhone 4)• Built-in support for TwitterUsers only need to log on to "Settings" once to send Twitter messages directly from "cameras", "Photos", "maps", Safari, and YouTube.◦ Can add location information to any Twitter Information◦ The image and user name in Twitter personal data are displayed in the "Address Book ".• Enhanced camera functions in devices equipped with ca

program is released after the Release, so the static library is also used in the Release mode. Step 6: synthesize the simulator architecture [Default: The simulator compilation only generates one of the corresponding architectures, and the real machine compilation will merge the two architectures] If the value is set to YES in step 6, the compiled. a static library only contains the architecture of the current device. For example, if we select the iPhone 5 simulator [Command + B] to compile, Th

download the Fiddler Script Editor address: http://www.fiddler2.com/fiddler/fse.asp The Fiddler Script Editor provides syntax highlighting and smart prompting functions, such: Main Methods in CustomRules. js // Modify the Request content in this method. We use the most, Static function OnBeforeRequest (oSession: Session) // Modify the content of Response in this method, Static function OnBeforeResponse (oSession: Session) // Include the Fiddler command in each method. On the Fiddler interfac

barrier for developing excellent mobile applications. Now we need to consider how to make full use of the advantages of html5. Next, let's take a look at the new features developed by html5. IPhone 5: New screen sizeNew SimulatorWhat you need to doProblemNew Features of iOS 6: File Upload, access with a media capture camera, and file APINetwork Audio APISmart Application banners integrated with local applicationsCSS 3 filterCross fade-in and fade-out CSS 3CSS Partial image supportFull Screen su

;*/-webkit-transition:opacity linear. 6s; /*-webkit-transition:visibility linear. 6s;*/-moz-transition:opacity linear. 6s; -ms-transition:opacity linear. 6s; Transition:opacity linear. 6s; Position:absolute;} #vcd ul li.active{opacity:1; /*visibility:visible;*/} #vcd #cd {top:64px; left:78px; width:146px; height:146px; Background-position: -510px 0; -webkit-transition:left ease. 4s,-webkit-transform ease 1.2s. 44s; -moz-t

Problem: Filtering out the Stat/etc/hosts permission valueAct 1:[[email protected] ~]# stat/etc/hosts|sed-n ' 4p ' | awk-f ' [0/] ' {print $} '644Note:[0/] in awk meansAccess: (0644/-rw-r--r--)Act 2:[[email protected] ~]# stat/etc/hosts|awk-f ' [0/] 'nr==4 {print $} '644Act 3:[Email protected] ~]# stat/etc/hosts|sed-n ' 4p 'Access: (0644/-rw-r--r--) Uid: (0/root) Gid: (0/root)Stat/etc/hosts|sed-rn ' 4s## #gp 'Stat/etc/hosts|sed-rn '

)Timing-functionTime (delay)Animation-iteration-count (number of cycles before end)Single-animation-direction/*{Animation-direction:normal (each starting in the positive direction)Animation-direction:reverse (each start in the opposite direction)Animation-direction:alternate (positive and negative reciprocating)}*/Single-animation-fill-mode Instance Listener for Dispatches . polling_message {Color:white;Float:left;margin-right:2%;}. view_port {Background-color:black;height:50px;width:100%;Overfl

features such as Airplay and wireless synchronization, and the recently released iOS5 has achieved wireless synchronization, so apart from charging, apple devices almost do not need to use cables to connect to them. Therefore, how to put this line aside must be regarded by Apple as the design focus. Wireless charging has already been realized in technology, but the charging current is weak, it may be difficult to deal with the high 1A current required for iPad charging. Therefore, the addition

Use the carousel principle and hammer. js to implement simple Sliding Screen functions. Recently, I have a task for a very small h5 application with only 2 screens. I need to perform horizontal full screen sliding switching and some simple animation effects, previously, fullpage was used to do this. js and jquery have poor performance, so I want to do something simple by myself. Finally, I used zepto + hammer. js and carousel to solve this problem. The effect is good. When Gzip is not enabled on

Pure css for Apple dial Animation With the mass production of Apple tables, I think it is time to use CSS to implement dial-up animation. In this article, we will usekeyframeAnimation and a little trick to achieve the apple dial progress bar animation.Demo The final result is as follows: See the Pen Apple Watch Activity Dials CSS by Helkyle (@ HelKyle) on CodePen.Dial progress bar The table animation consists of three lines, each of which is a progress bar. There are rounded corners on both sid

Portrait Landscape iphone 5 iphone 5, 5S, 5C 640x1136 px 1136x640 px IPhone 4/4s 640x960 px 960x640 px IPhone IPod Touch 1st, 2nd and 3rd Generation 320x480 px 480x320 px Retina ipad ipad 3, ipad 4, ipad Air 1536x2048 px 2048x1536 px IPad Mini 768x1024 px 1024x768 px IPad Mini Retina 1536x2

Apple iPad 3 (click to enter) The appearance does not change much. The body is thickened. The appearance does not change much. The body is thickened. From Apple's iPhone 4 to Apple's iPhone 4S, almost the same design made four voices of questioning Apple's smart mobile terminal design strength. What will happen to the design of the new-generation Apple iPad. Among them, the next-generation Apple iPad will adopt a button-free interface, which is wide

); + ///assume that both the start and end vertices of the input exist AG.ARC[U][V] =1; thei++; + } - } $Output matrix $ voidoutput (Graph G) { -printf" "); - for(inti =0; i ) theprintf"%4s", G.vex[i]); -printf"\ n");Wuyi for(inti =0; i ){ the for(intj =-1; J ){ - if(j = =-1) Wuprintf"%4s", G.vex[i]); - Else{ Aboutprintf"%4d", G.arc[i][j]); $

; TD>TD> TR> tbody>Table>. User_skill tbody TR td:first-child { text-align:right; margin-right:5px;} . User_skill tbody tr td:first-child h5 { background:#f26d7d; display:inline-block; padding:5px;}Second, the animation of the starsThese stars have an effect when you first enter the screen. This animation I chose from animate.css , called Lightspeedin. The CSS directly copied over the time is not moving, I found that I wrote