Tag：stock
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Time：2020-11-26
Tips: This article has been added to the reading list of series articles. You can click to see more related articles. preface The construction of Ocelot + consult has been completed in the previous article (5) – Ocelot API gateway (2) of. Net core microservices introduction. This article briefly introduces the eventbus. Eventbus – event […]
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Time：2020-11-13
|0Business scenario introduction Let’s take a look at the business scenario. Suppose you have an e-commerce system with a payment order scenario After paying for an order, we need to do the following steps: Change order status to paid Deduction of goods inventory Add points to members Create sales delivery order to inform warehouse to […]
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Time：2020-10-23
One week ago, I participated in a workshop on “modeling and design” of the company. In a sense, this is a workshop on architecture design and software modeling. And then there was an inspiration Stepping.js 。 When we end the event storm, we need to take pictures or other means to record the relevant content. […]
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Time：2020-10-13
background I wrote an article four months agoApplication of DCAT admin open source framework in ERP projectA few months ago, I just used it to do some functional development. But in the project robust, as well as the code such as DCAT some deep combination is not perfect. In the past few months, I have […]
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Time：2020-10-8
preface Before that, I had a private letter from my partner asking me about the order and inventory processing plan under the high concurrency scenario. Recently, I was busy because of overtime, so I didn’t have time to reply. Today, I had a hard time to think about it. I’d better write an article to […]
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Time：2020-10-5
propose Before anonymous functions appeared, all functions needed to be named before they could be used function increment($value) { return $value + 1; } array_map(‘increment’, [1, 2, 3]); Sometimes the function may only need to be used once. In this case, using anonymous function will make the code more concise and intuitive, and avoid the […]
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Time：2020-9-30
Seckill background implementation This paper mainly explains how to solve the following problems in the actual combat of the project 1) Realize the asynchronous order of the second kill, master how to ensure that the producer consumer message is not lost 2) To prevent malicious swiping 3) To prevent the same product from repeated second […]
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Time：2020-9-26
Course: PHP seckill design https://www.imooc.com/video/19863 1. Environmental preparation a. Install the pressure measuring tool ab sudo apt-get install apache2-utils -y Limit under nginx_ Super detailed analysis of burst parameter in req module b. Nginx environment configuration #Create rules: limit current with IP, apply for 10m memory to store access frequency information, and the rate is […]
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Time：2020-8-25
When I interview others, I often ask the other party how to design a seckill system? There are not many students who have answered well. Here I will briefly describe the purpose of investigating this question. As the name implies, the competition problem under the condition of limited inventory is actually a high concurrency processing […]
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Time：2020-8-9
SAP Technology SAP mm mb5m report does not display special inventory data For example, the following material No. f000005451 has special stock o stock, The validity period of the batch, Mb5m, enter the material number to execute the query, In the query result, only the data of normal inventory is […]
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Time：2020-7-6
SAP mm can return goods from Qi inventory to vendor if QM is not enabled? After verification, it is possible. For example, return purchase orders are as follows, The quantity is 10, and the “return items” option is checked, Vl10b, create delivery order, Delivery order 2107935574, Look at the […]
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Time：2020-7-3
Automatically generate subcontractor inventory after receiving SAP mm purchase order? An article before a SAP official account says that after SAP is able to purchase goods, the stock will automatically enter the special inventory O Inventory (sub contractor’s stock). Before that, the author has not noticed that there are relevant marks in SAP […]
