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transferred from: http://blog.csdn.net/stellar0/article/details/8777283 Author: Star Zai ViBe algorithm: vibe-a powerful technique for background detection and subtraction in video sequences Judge Net: http://www2.ulg.ac.be/telecom/research/vibe/ Describe: Vibe is a pixel-level video background modeling or foreground detection algorithm, the effect is better than several well-known algorithms, the hardware

PS,FG, BG, Jobs, , CTRL + Z are all related to system tasks, although these commands are mostly not needed now, but they are also very useful.One. is most often usedThis is used at the end of a command, you can put this command in the background to executeTwo. CTRL + ZYou can put a command that is executing in the foreground in the background and pauseThree. JobsSee how many commands are currently running

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Here's a great style learning site: http://www.divcss5.com/rumen/r125.shtml, Css background background syntax-TOPCSS Background BasicsCSS background This refers to setting the background properties of the object through CSS, such as setting the

When building a high-performance, scalable WEB application, you can use a background task to decompose some time-consuming operations from the processing of HTTP requests into a background process to execute asynchronously. Most WEB requests should be done in 500ms, and if you find that your app has more than one request that can take up to two seconds to complete, then you should consider using a

The background (background) is an important part of CSS and one of the basics of CSS, and now it's time to review the 3 properties and 2 new features in the 5 properties and CSS3 in Css2. Css2_ background (background) prequel Family members The background (

CSS settings text background color code you know what? Here is a detailed CSS implementation of the background color of a complete example, so that you can more easily understand the meaning of these properties is what it is, now let's look at it together First, let's take a look at this code: Background-color: Property sets the

9.css background, css background image adaptive This section also describes the expansion of the box model, and I personally like to think of the box model as a picture. The element size adjustment is the canvas size adjustment, and the border setting is the frame mosaic. However, it is not enough for an artist to present the painting to an art museum (web page), just as the

FG, BG, Jobs, , Nohup, CTRL + Z, CTRL + C commandFirst, At the end of a command, you can put this command in the background to execute, asWatch -n-sh test.sh #每10s在后台执行一次test. Sh scriptTwo, CTRL + ZYou can place a command that is being executed in the foreground in the background and be in a paused state.Third, JobsSee how many commands are currently running in the backgroundThe JOBS-L option shows the