1. Get the screen size of the current device
Displaymetrics displaymetrics = new Displaymetrics ();
This.getwindowmanager (). Getdefaultdisplay (). Getmetrics (Displaymetrics);
2. Calculate the aspect ratio of the screen size set at the time of your development (this assumes that the screen size you set for development is 480*)
int screenwidth
First, the user adjusts the browser font size, affects the Web page that opens from the browser.The browser sets the font size, which affects the page that the browser opens. JS can control the user to modify the font size, so that the page is not affected. (Function (doc, win) {//) the font size (ie doc.documentEleme
When doing HTML related things often encounter such a problem, the size of the container (length x width) fixed, the container contains content (especially text) how much is not fixed, this time let people very distressed, the font size is set to how much is appropriate? Here's a look at my solution: The first thing to know about the page is that the size of the
JQuery code for dynamically proportional adjustment of image size, image size jquery
JQuery code for dynamically proportional adjustment of image size:Sometimes the size and size of an image are the locations. If the size and size
Transferred from: http://www.igooda.cn/jsdt/20130827355.htmlBackground-size requires two values, which can be either pixels (px), percent (%), or auto, or cover and contain. The first value is the width of the background graph, and the other value specifies the height on the background graph, and if only 1 values are set, the 2nd default is auto, except when the values are cover and contain.cover: maintains the image's width-to-height ratio, scaling t
1 read the size of the folder in the local documents file (we can use the Nsdirectoryenumerator class)NSString * Docupath = Nssearchpathfordirectoriesindomains(nsdocumentdirectory, Nsuserdomainmask, YES) [0]; not normally. Files are placed directly under the Documents folder to create a new folder NSString * FilePath = [Docupath stringbyappendingpathcomponent:@ "DownLoadFile"]; Nsdirectoryenumerator * enumerator = [[Nsfilemanager Defaultmanage
: This article mainly introduces the PHP formatting (file) storage data SIZE (SIZE) display. if you are interested in the PHP Tutorial, please refer to it. Sometimes we need to display the size of a file on the webpage, or the size of other data.
This number is often from a large span. if the unit is B, it may be a si
thumbnailator-0.4.8 is currently the latest jarCode PackageYingyue;ImportJava.io.File;ImportJava.io.FileOutputStream;Importjava.io.IOException;ImportJava.io.OutputStream;ImportJavax.imageio.ImageIO;Importnet.coobird.thumbnailator.Thumbnails;Importnet.coobird.thumbnailator.geometry.Positions; Public classhandlerimg {Private StaticString frompic = "From/1600x1200-asia emea.jpg"; Private StaticString toPic = "to/"; Public Static voidMain (string[] args) {Try { /*Scales the image to a sp
Background-size can set the size of the background picture, the value includes length and percent percentage. It also sets the extent of its image overlay based on the background Origin location Background-origin. So let's take a look at this background-size property. Background-size syntaxThe grammatical rules of back
JQuery: code example for setting the font size and jquery font size
JQuery:Setting the font size on a webpage is a common operation. The following describes how to implement this function through code examples.The Code is as follows:
The above Code meets our requirements to achieve the amplification and reduction of text content. The following describes the im
Environment: win7x64ZC: This is the virtual machine that is used in the SDKZC: Want to adjust the size of the window (screen) of the virtual machine, but the way is not too ideal ... Record it first, there is a better way to say it later ...ZC: The following 2 ways common defects (where the egg Hurts): The title bar of the virtual machine's window is outside the computer screen (beyond the top edge), need the code to move this window to see its title
Ios obtains the cache file size and clears the cache. ios obtains the cache size.
Mobile applications generally perform offline cache processing when processing network resources. The image cache is the most typical one. The popular offline cache framework is SDWebImage.
However, the offline cache occupies the storage space of the mobile phone. Therefore, the cache cleanup function is a standard function fo
1. Get the Android screen sizeWe can get the screen size through the GetSize () methodnew Point();display.getSize(size);int width = size.x;int height = size.y;Suppose it's not in the activity. You cannot use Getwindowmanager (). At this point, you can use Window_service to get a default displayWindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);Display display = wm.getDefault
When I recently made a mobile-phone page, I encountered a strange problem: The font display size is inconsistent with the size specified in the CSS. You can view this demo (remember to open chrome DevTools).As shown, you can find that the originally specified font size is 24px, but the final calculation is 53px, see this bizarre result, my heart cursed a sentence
One, the Linux CPU size[[email protected] ~]# cat/proc/cpuinfo |grep "model name" cat/proc/cpuinfo |grep "Physical ID"Model Name:intel (R) Xeon (TM) CPU 2.80GHzModel Name:intel (R) Xeon (TM) CPU 2.80GHzModel Name:intel (R) Xeon (TM) CPU 2.80GHzModel Name:intel (R) Xeon (TM) CPU 2.80GHzPhysical id:0Physical id:0Physical Id:3Physical Id:3[Email protected] ~]#Description: Detailed information about each CPU can be seen in/proc/cpuinfo under Linux. But f
Win7 system computer View picture image size and storage size method
1, with the left mouse button click to see the picture;
2, click the picture, the picture is in the selected state, will become blue bottom;
3. When the picture is in the selected state, look at the bottom of the picture's window, where it will display the storage size and
SolidWorks How do I modify the callout size font size?
1, first open SolidWorks engineering drawings, the author here has been made, mainly about how to modify the size of the callout size font, as shown in the figure
2, choose the size of the preparation to
App size, remove status barCGRect r = [UIScreen mainscreen].applicationframe;This size does not swap wide with the screen rotation, but when the screen rotates, the height of the status bar will be automatically modified to remove the high.Vertical screen (4 inch): X=0, Y=20, width=320, height=548Horizontal screen (4 inch): X=0,y=0, width=300, height=568Screen sizeCGRect rx = [UIScreen mainscreen].bounds;(4
Element coordinate: x: $ (this) position () lefty: $ (this) position () top element border size: border size ($ (this) outerWidth () -$ (this) innerWidth () 2 Actual size: w: $ (this) outerWidth () h: $ (this) element coordinate: x: $ (this ). position (). left y: $ (this ). position (). top element border size: border
Android obtains the total capacity of the SD card, available size, total body memory capacity and available size, and androidsd
Public long getSDTotalSize () {/* get the memory card path */File sdcardDir = Environment. getExternalStorageDirectory ();/* StatFs View File System space usage */StatFs statFs = new StatFs (sdcardDir. getPath (); long blockSize = statFs. getBlockSizeLong (); long totalSize = statF
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