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Before we start to research tail recursion, let’s first have a look at the normal recursion. A simple factorial implementation by recursion:function factorial(n){   if(n ===1)&nbs

Recently I am asked by my manager to give him a report containing the number of open, in process and closed tickets assigned to my responsible component. Since I am learning Javascript recently, I dec

Suppose I need to find out the implementation of button “Create” in Customer Engagement Initiative (CEI):We could observe that once button is clicked, a pop up appears:And I have to find out how is th

As an ABAPer we have SAT, ST05 ( or sometimes ST12 ) for trace in our toolbox, and recently I find this report which could also do the trace job.Although the trace information it generates is quite te

I joined SAP China seven years ago after graduation and knew nothing about SAP or ABAP at that time. Now I am working as a development expert in SAP. I just would like to share my personal experience

What is smart fieldAccording to SAP help, “Smart controls are a specific category of SAPUI5 controls that have some special features in addition to the standard SAPUI5 features and thus make it e

In previous blog Currency example – how Smart field works, one simple smart field is introduced:In this blog, let’s go further to study how the value help of currency field is implemented by fram

What is smart fieldAccording to SAP help, “Smart controls are a specific category of SAPUI5 controls that have some special features in addition to the standard SAPUI5 features and thus make it e

In part1 of this tutorial, the old way to create OData service on top of CDS view is introduced. In SAP Help Generate Service Artifacts From a CDS View a new annotation is described:@OData.p

Let’s review what we have learned so far. Through SQL trace and debugging, we have learned below:(1) When we click activate button in ABAP development tool ( I call it Eclipse now in this blog ), ther

There is one question asking how and where the js file “resources/sap-ui-core.js” is loaded when you run your UI5 application locally ( for example using tomcat )?In my sample project mymap,

In document Step by step to download equipment from ERP with hierarchy, the steps to replicate equipment from ERP to CRM are described. By default the equipment in ERP is modeled as individual ob

There is one IBASE 112467 which contains one object component. This IBASE is intended for archive.There are two approaches to archive it.(1) You could use tcode SARA and type “CRM_IBASE” as archive ob

Requirement:in ERP there are two equipment created via tcode IE01, one is parent which holds the other child equipment.It is expected to replicate both to CRM, and the parent-children relationship sti

I have one parent equipment ZJERRY0827P which contains a children equipment ZJERRY0827C in ERP and I would like to replicate both to CRM.First I replicate children equipment ZJERRY0827C to CRM, it wor

Recently several customers have asked for multiple attachment upload functionality in CRM. As current UI component GS_CM does not support this, I have built a simple prototype to achieve it. Although

This document is used for consultant or developers at customer side who would like to know technical detail about how a word template is merged with xml data stream. Before you touch the related ABAP

In my previous blog Dropdown list issue in CRM Webclient UI – a very funny trouble shooting process I have shared with you how I deal with an drop-down list issue and how I finally find root

In every UI5 application we declare usage on libraries like sap.ui.commons via “data-sap-ui-libs”.Have you ever thought about how does the logic work? Since we only declare the NAME of libraries here,

It is possible to use your favorite html editor ( for example, Notepad++ ) to edit the html source code of your UI component view or BSP application by simple configuration: Just specify the absolute