url scheme

:300px;background-image:url ([email protected]); background-size:200px 300px; Or: Background-size:contain;Such a disadvantage, it is obvious, under the ordinary screen:1) also downloaded @2x pictures, resulting in a waste of resources.2) image due to downsampling, will lose some sharpness (or chromatic aberration).So the best solution is: Under different DPR, load different sizes of pictures.Whether it is through CSS media queries, or through JavaScript conditions can be judged.So the question c

50%.such as: Picture size, 400x600;1.img Label 12 width:200px;height:300px; 2. Background image 1234 width:200px;height:300px;background-image:url([emailprotected]);background-size:200px300px;//或者:background-size:contain; Such a disadvantage, it is obvious, under the ordinary screen:1) also downloaded @2x pictures, resulting in a waste of resources.2) image due to downsampling, will lose some sharpness (or chromatic aberration).So

General function and Module customization system (CFCMMS)-019 custom grid scheme (3)This section begins with a custom interior to see how the first custom feature is implemented.1. When the system logs in, all the module definition information that the login user has permission to send to the front end. This piece of code is in App/view/main/mainmodel.js. When Mainmodel is created, the data is fetched by sending a synchronous AJAX request. After the d

Calces Series related articles: Calces automatic implementation of Android component module buildingObjectiveScreen adaptation has always been a hot topic in mobile development, but the adaptation scheme often conflicts with the design draft provided by the UI when actually developing. This article is based on the official Recommended configuration qualifier scheme (smallest width currently the best solutio

("queryString:"+queryString);}}} Write a simple webpage: Test URL: www.erdian.net/m.html Test results: Scheme: znnHost: aa. bbDataString: znn: // aa. bb: 80/test? P = 12 id = 1Id: 1Path:/testPath1:/test QueryString: p = 12 d = 1 Http://www.erdian.net /? P = 238 Android Application Development: the first time an app is opened, it is a login page. After login, the page is directly displayed on t

Android browser cross-Origin data theft and Intent Scheme attacks The vulnerability we will introduce next affects self-built browsers and some other specific Android browsers in Android versions earlier than 4.4. It allows hackers to read cookie database files in sqlite format, to steal cookies. Next, let's talk about cross-site data theft attacks for Android versions earlier than 4.4. 2cto Intent Scheme

appear blurred (can be understood as picture stretching). Figure 2, no near the color, the color value is either red, or white, the picture looks very clear. Figure 3, the nearest color, color value between the red and white, biased, the picture looks bad color, lack of sharpness (can be understood as image extrusion). 爱字图, you can see the text "Love" to distinguish between blurred picture or clear.(PS: If it doesn't look obvious, you can use your mobile phone to scan the code page

Partitioning scheme Partition type The actual size of the partition / 1G /boot 32M /opt 100M /tmp 50M /home 1G-10G /usr 3G-6G /usr/local 3G-5G /var 500M or more 3.2.3 The most economical partitioning scheme (server not recommended) File directory Minimum General Post-installation size (CentOS5.2) / 150M-250M 500M-2G (378M) /boot 32M-100M 64M (13M) /opt 30M-100M 50M (19M) /tmp 40-100M 50M

difficulty of identifying URIs.The current practice, the designation or system default to use UTF8 into a stream of bytes, each byte into a percent encoding, for example: Chinese "netease" URL Code of%e7%bd%91%e6%98%93, and its UTF8 byte stream E7 bd e6 93, you can see its one by one correspondenceprinciples:In the constituent characters of the URI, the safest scheme is to use the set of "reserved characte

The complete URL consists of these parts: Scheme://host:port/path?query#fragment, the various parts are as follows:Window.location.href: The way to get the full URL: scheme://host:port/path?query#fragmentWindow.location.protocol: Get Rul protocol schemeWindow.location.host: Get HostWindow.location.port: Get port number

relied on self-growing primary keys do not need to be specifically addressed in this regard database paging statements are supported so that database applications that rely on database paging statements do not require special processing in this regard capable of supporting most SQL statements It is best to approach the JDBC driver in terms of performance with good extensibility, database designers can easily customize the extension support for read and write separation, load Balancing

, business development cost is low, reconstruction cost is low, reusability JDBC Layer: High difficulty, low coupling of business code, low cost of business development, reconstruction cost, good reusability Agent Layer: the implementation is difficult, the business code coupling degree is low, the business development cost is low , the reconstruction cost, the reusability is good Tiny framework adopted in the JDBC Layer implementation of the s