offset | 易学教程

Structured Streaming Kafka Source Offset Storage

阅读更多关于 Structured Streaming Kafka Source Offset Storage

问题 I am using the Structured Streaming source for Kafka (Integration guide), which as stated does not commit any offset. One of my goals is to monitor it (check if its lagging behind etc). Even though it does not commit the offsets it handles them by querying kafka from time to time and checking which is the next one to process. According to the documentation the offsets are written to HDFS so in case of failure it can be recovered, but the question is: Where are they being stored? Is there any

Find address using pointer and offset C# [closed]

阅读更多关于 Find address using pointer and offset C# [closed]

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 7 years ago . I made a lot of research on memory reading and I reached here. I got the pointer and offset values, by adding an address manually and choosing "Pointer" on Cheat Engine I can get the address. But my question is

全网最通俗易懂的Kafka入门！

阅读更多关于全网最通俗易懂的Kafka入门！

摘自： https://www.cnblogs.com/Java3y/p/11982381.html 全网最通俗易懂的Kafka入门！前言只有光头才能变强。文本已收录至我的GitHub仓库，欢迎Star： https://github.com/ZhongFuCheng3y/3y 在这篇之前已经写过两篇基础文章了，强烈建议先去阅读：什么是ZooKeeper？什么是消息队列？众所周知，消息队列的产品有好几种，这里我选择学习Kafka的原因，无他，公司在用。我司使用的是Kafka和自研的消息队列(Kafka和RocketMQ)改版，于是我就想学学Kafka这款消息队列啦。本篇文章对Kafka入门，希望对大家有所帮助。本文知识点提前预览：这篇文章花了我很长时间画图，目的是希望以最通俗易懂的方式带大家入门，如果觉得不错，希望能给我点个赞！一、什么是Kafka？首先我们得去官网看看是怎么介绍Kafka的： https://kafka.apache.org/intro 在收集资料学习的时候，已经发现有不少的前辈对官网的介绍进行翻译和总结了，所以我这里就不重复了，贴下地址大家自行去学习啦： https://scala.cool/2018/03/learning-kafka-1/ https://colobu.com/2014/08/06/kafka

MySQL: I need to get the offset of a item in a query

阅读更多关于 MySQL: I need to get the offset of a item in a query

Mysql: i need to get the offset of a item in a query. I have a image gallery: this show 6 image per stack, so when i request image 22 it shows images from 18 to 24. It should first get the offset of the image 22, then get the images from 18 to 24. Another example: i request the image number 62(and offset 62), it will select images with offset from 60 to 66. Is possible with a single query? The main important thing is to get the offset value of the item that has its id equal to a number. Thanks ;) EDIT: select * from images order_by updated_at offset(here i need to get the offset of the image

汇编易混淆指令lea offset

阅读更多关于汇编易混淆指令lea offset

lea 是机器指令，offset 是伪指令。 LEA BX, BUFFER ;在实际执行时才会将变量buffer的地址放入bx MOV BX, OFFSET BUFFER ;在编译时就已经计算出buffer的地址为4300(假设)，然后将上句替换为: mov bx,4300 lea可以进行比较复杂的计算，比如lea eax,[esi+ebx*4]，把ebx的值*4，加上esi的值，存入eax中。 mov就不行了。 OFFSET只能取得用"数据定义伪指令"定义的变量的有效地址,不能取得一般操作数的有效地址(摘自80x86汇编语言程序设计教程) MOV BX,OFFSET [BX+200]这句是错误的应该用LEA BX,[BX+200] lea eax,[ebp] 说明: eax得到ebp指向的堆栈内容的偏移地址，和寄存器ebp的值是相同的 OFFSET一般用于对数据段操作，而LEA在指令中算任意寄存器偏移地址来源： https://www.cnblogs.com/dgwblog/p/11992736.html

mysql - offset problem

阅读更多关于 mysql - offset problem

I recently posted a question about getting last 3 results in table in the correct order. I now want the get all comments apart from the last 3 in the correct order. Here is my syntax; SELECT * FROM (SELECT * FROM $table ORDER BY ID DESC OFFSET 3) AS T ORDER BY TIME_STAMP The error I am receiving is: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'OFFSET, 3) AS T ORDER BY TIME_STAMP' at line 1 I can't seem to get it to work. Any help much appreciated. According to the MySQL Documentation : To retrieve all

随笔：offset、client、scroll的小总结

阅读更多关于随笔：offset、client、scroll的小总结

这段日子看到scrollTop,突然想起了这三个小兄弟，于是看了很多文章，但发现总结的各有优缺和对错，于是决定自己总结一下，仅当随笔。有错误的欢迎指正。这些属性均是用于获取页面元素在网页中的位置或相对位置，这里又可以简单的分为两类用途： 1.获取页面固定元素的位置；2.获取鼠标点击位置先从页面固定元素的位置说起，用法均是 element.属性名： 1.首先还是来说说offset家族吧（ offsetWidth、offsetHeight、offsetLeft和offsetTop） offsetWidth是指元素的宽度（包括元素的边框），或者说元素水平方向上占用的空间大小。 offsetHeight是指元素的高度（包括元素的边框），或者说元素垂直方向上占用的空间大小。 offsetLeft:元素左外边框到上层元素或左侧元素之间的距离 offsetTop:元素上外边框到上层元素或左侧元素之间的距离 width和height很好理解，只需注意他是包含边框宽度的；关键在于Left和Top很可能有坑会出现，其实目前发现写也就两种情况： 1.对于普通元素。就是距离其左侧最近的兄弟元素或父元素的距离 2.对于position:absolute 等脱离文档流的，就要看其left和top属性了 2.client家族（ clientWidth、clientHeight

gstreamer: how to shift the time of rendering of one stream taken from file

阅读更多关于 gstreamer: how to shift the time of rendering of one stream taken from file

I have two media files (say, "file0" and "file1") and I want to merge them into a single one with "picture-in-picture" effect - the content from "file0" to be displayed on the whole window, and the content from "file1" will be shown on the top-left corner in the smaller box. One more point is that the content from "file1" should be rendered some time later from the base time, at the point marked as "X1" on the diagram below. In other words, if I take "videotestsrc" as a video source input, I would get the following sample pipeline which illustrates what I need to get as a result of this task:

浏览器HTML5录音功能

阅读更多关于浏览器HTML5录音功能

一、浏览器HTML5录音功能二、业务代码 <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title></title> </head> <body> <div> <audio controls autoplay></audio> <input onclick="startRecording()" type="button" value="录音" /> <input onclick="stopRecording()" type="button" value="停止" /> <input onclick="playRecording()" type="button" value="播放" /> <input onclick="uploadAudio()" type="button" value="提交" /> <input onclick="cancelAudio()" type="button" value="取消" /> </div> <script type="text/javascript" src="record.js"></script> <script> var recorder; var audio =

How to get current visible slide in vertical scrolling site using jQuery

阅读更多关于 How to get current visible slide in vertical scrolling site using jQuery

问题 This question may sound silly but it's breaking my head. I'd like to make a sort of vertical srolling presentation, made up of different slides; the effect should be "similar" to this site: http://www.soleilnoir.net/believein/#/start I've created an unorderd list containing the different slide: <div id="main"> <div id="content"> <ul id="bg"> <li id="slide1"> </li> <li id="slide2"> </li>  </ul> </div> </div> I've given a position:fixed on the

订阅 offset