$tools, methods, jQuery properties and CSS

1, What exactly is the $symbol? $is the attribute defined for the window object in jQuery $and jQuery can be interchanged when used. In fact, it is a function, which comes from the jQuery library jQuery and $are used as an attribute of window             window.jQuery = window.$ = jQuery;             ...

Added by traffic on Thu, 10 Mar 2022 17:48:49 +0200

Understand the USB device driver framework in one article

From: https://www.eet-china.com/mp/a55310.html hello, everybody. Today I'm going to take you to learn about USB device driver. Kernel version: 4.4.94 1. Linux USB subsystem Before introducing device-side drivers, let's look at the Linux USB subsystem. The subsystem here is relative to the entire Linux kernel, not a single device. The communic ...

Added by mooler on Thu, 10 Mar 2022 20:14:38 +0200

javaEE(SSM)-4: dynamic SQL

title: javaEE(SSM) learning notes 4: dynamic SQL Dynamic SQL import [main function]: splice SQL clauses according to different conditions or different data to achieve similar programming effect in XML files. [main element (mark)]: Query criteria: single branch if; Multi branch choose... when... other Special treatment: where /trim Up ...

Added by Benjigga on Thu, 10 Mar 2022 18:34:12 +0200

Linux Environment Configuration

Environment Configuration Linux 0 .vimrc #Create a new file in your own directory (~). vimrc vim ~/.vimrc #Add a text configuration (as follows... #Indicates how many spaces a tab shows by default 8 set tabstop=2 #Represents the length of the indentation that falls back when the backspace key is pressed in edit mode set softtabstop=2 #Re ...

Added by Christian B. on Thu, 10 Mar 2022 20:06:04 +0200

ffmpeg Simple Multithreaded Player-Audio-Video Synchronization (Video to Audio)

Audio-Video Synchronization - Main Code Logic That's how you chase me Because the audio format sample channel rate is fixed, an audio time can be determined, so an audio is synchronized to the audio as the base video General practice: after displaying a video frame, get the PTS of the next video frame, and compare it with the clock lock of t ...

Added by xmitchx on Thu, 10 Mar 2022 19:53:05 +0200

Compile JDK18 based on Linux

1. Overview JDK hasn't been compiled manually, dare you say you're a Java programmer? (Brother By Sheep- JDK hasn't been compiled manually, dare you say you're a Java programmer? Actual Compile Java Source (JDK Source, JVM) Video Tutorial_ Bell-Bell-Bell_ bilibili) Compiling JDK by hand is theoretically a better JDK for your computer Maybe it ...

Added by blacksheepradio on Thu, 10 Mar 2022 20:22:52 +0200