• Beijing big company: are you familiar with map collection?


    Welcome to my WeChat official account.Java3y】Let’s talk about the Java interview [Online interviewer] seriesTwo articles a week are continuously updated! Original is not easy!! Three times!!

  • ABAP 740 new open SQL enhancements


    The following open SQL statement looks a little weird, however it could really works in 740. (1) The field name of my structure ty_my_sflight is different from field defined in sflight, so in SQL statement I use the format <field in DB table> AS <field in my own structure> to move the content from DB […]

  • Implementation of SAP smart toolbar’s XML element Report


    http://localhost:8080/resourc… Smarttabletoolbar.fragment.xml contains breakoutactions.fragment: http://localhost:8080/resourc… Source code: <core:FragmentDefinition xmlns:template=”http://schemas.sap.com/sapui5/extension/sap.ui.core.template/1″ xmlns=”sap.m” xmlns:core=”sap.ui.core” xmlns:build=”sap.build”> <template:if test=”{= ${tmpEntitySet>EntitySet} === ${parameter>/entitySet} }”> <template:repeat list=”{tmpEntitySet>Actions}” var=”customaction”> <!–all break out actions which are neither determining nor global–> <template:if test=”{= !${customaction>determining} &amp;&amp; !${customaction>global}}”> <Button id=”{parts: [{path: ‘customaction>’}, {path: ‘tabItem>’}], formatter: ‘sap.suite.ui.generic.template.js.AnnotationHelper.getBreakoutActionButtonId’}” enabled=”{parts: [{path: ‘customaction>’}, {path: ‘tabItem>’}], formatter: ‘sap.suite.ui.generic.template.js.AnnotationHelper.getBreakoutActionEnabledKey’}” text=”{customaction>text}” press=”{customaction>press}” type=”Transparent”> <layoutData> […]

  • Kafka0.10client usage instance


    order This article mainly talks about how to simply use kafka0.10 client to send and receive messages maven <dependency> <groupId>org.apache.kafka</groupId> <artifactId>kafka-clients</artifactId> <version></version> <exclusions> <exclusion> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> </exclusion> <exclusion> <groupId>log4j</groupId> <artifactId>log4j</artifactId> </exclusion> <exclusion> <artifactId>slf4j-api</artifactId> <groupId>org.slf4j</groupId> </exclusion> </exclusions> </dependency> If you use log4j, you don’t need to exclude producer @Test public void send(){ Properties props = new […]

  • The relationship between koa / Co / Bluebird or Q / generators / promises / thunks


    I can always find many good questions and good answers when I wander around so. Their “good” lies not only in the value of knowledge, but also in how to express it: how to “ask questions” or “answer”. I posted an article in SF not long agoComparison between webcomponents and reactThis is a typical example. […]

  • Object length changes obtained through document. Getelementsby * and document. Queryselectorall


    Today, when dealing with a style modification, we plan to use js native method to select elements and modify their styles, and then use the following method const active:HTMLCollectionOf<Element> = document.getElementsByClassName(‘is-active’) for (let i = 0; i < active.length; i++) { active[i].classList.remove(‘is-active’) } Then it is found that the next element will always be left […]

  • Application architecture stepping into “no server” era, serverless technology ushering in new development


    Abstract:At the 2021 cloud native industry conference with the theme of “original storage, cloud leads the future”, the product manager of Huawei cloud serverless function service shared the keynote speech of “Huawei cloud serverless function service, making the development of cloud extremely simple and efficient”. On May 26, the 2021 cloud native industry conference with […]

  • Template variable replacement in written examination


    JS regular short, assertions do not match, matching can be captured, capture can be referenced, global all come once. problem Given the string containing n variables, it is required to replace the variables with corresponding values, such as $no = 5 and $title =’Jack ‘ <div> <p> {$no}</p> <p> {$title}</p> </div> thinking Define regular lookup$String […]

  • Interview with Christian Posta: istio 1.7 will be the most stable version available for production


    By Tian Xiaoxu and Christian Posta In 2017, after istio released version 0.1, its elegant architecture design was recognized by everyone. With version iteration, developers make complaints about Istio too complicated. Therefore, istio version 1.5 overturned the previous architecture design and proposed the architecture design of “return to monomer”. The release note of version 1.6 […]

  • Break through the digital transformation, let Tebu grow 24.8% year on year


    Reading guideMany years ago, the media asked Ding Shuibo: “for you personally, what is the most painful part in the process of transformation?”“ The key is the change of market consciousness. Hearing is false and seeing is true. Only when they are seen by the outside world can they understand and accept it. A lot […]

  • Fluid enters CNCF sandbox to accelerate big data and AI applications and embrace cloud Nativity


    Introduction:On April 27, 2021, the cloud native Computing Foundation (CNCF) announced to accept fluid as the official sandbox project of CNCF through the global TOC vote. Fluid is a cloud native data compilation and acceleration system jointly launched by Nanjing University, Alibaba cloud and aluxio open source community. Source|Alibaba cloud official account On April 27, […]

  • Cloud native transformation practice based on serverless


    Introduction:What is the new generation technology architecture? How to change? This is a problem faced by many Internet enterprises. Cloud native architecture is the best answer to this question, because cloud native architecture upgrades the cloud computing service mode and Internet architecture as a whole, profoundly changing the IT foundation of the whole business world. […]