Tag：check
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Time：2021-12-30
preface I haven’t updated my blog for more than a year because “horse riding and slashing 2” was on sale during the epidemic, and then I went to write the game mod. I used c# to write the game mod for about 7 months. I stayed late every night. Then I learned PR because of […]
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Time：2021-12-30
preface The compiler object is a global singleton, which is responsible for controlling the construction process of the whole webpack package.This article will introduce what webpack did before the new compiler Start webpack Usually, we start the webpack in the following way // package.json script: { “start”: “webpack” } webpack/bin functionnpm run startAfter that, you […]
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Time：2021-12-25
background Today, QA asked again: this page was fine yesterday, but today it is blank. Is there a problem with your code? Let’s have a look. Go up and find the reason: Originallypickup, dropoffIf there is no data in the two fields, it should be returned{}, and nowpickupField returnednullAnd when we took the value, we […]
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Time：2021-12-24
1. Introduction What is calcium? If you describe calcite in one sentence,Calculate is a basic framework for optimizing query processing of heterogeneous data sources。 In recent ten years, there have been many special data processing engines. For example, HBase, Flink, elastic search, and so on. These engines have unique advantages in their respective fields. In […]
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Time：2021-12-24
Install and use First, install in your Vue project: npm install –save vue-input-check Import and register after installation: import inputCheck from ‘vue-input-check’; //Installation Vue.use(inputCheck); Then we can use it in the form: <form autocomplete=”off” novalidate> < input V-model =’key ‘name =’ input box name ‘v-input-check =’ [key, “validate express”] ‘/ > <!– You can have […]
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Time：2021-12-21
Bullshit about network framework design and packaging Code base of this blog: HttpUtil2 1. Front and back end interaction protocol design The general design is data code MSG three field design There is also data code MSG issuccess In fact, issuccess and code are redundant to each other But after looking at the interface interaction […]
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Time：2021-12-21
preface Usually, useangularFor form validation, the validation rules are generally written separately asserviceAnd then called by dependency injection. In individual cases, such as user registration form, different prompt information needs to be given according to user inputserviceSlightly inappropriate, so you can use instructions. Simple form The following is a simple form with four prompt messages, […]
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Time：2021-12-20
Validator is a very wide range of framework components used in our daily business. Many web frameworks and micro service frameworks are integrated. It is usually used to verify some request parameters to avoid writing duplicate verification logic. In the next article, we’ll see how to implement a validator. First experience Practice is the primary […]
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Time：2021-12-16
1. Core structure and concept The validator process provided by calculate is extremely complex, but in summary, it mainly does one thing,Verify whether the semantics of each sqlnode is correct by combining metadata, these semantics include: Verify whether the table name exists; Whether the selected column exists in the corresponding table and whether the matched […]
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Time：2021-12-14
Now it is more and more popular to separate front and back-end development and interact with Ajax. Therefore, API interface documents become very meaningful. What are the excellent interface document management tools in the current market? One click Import and click Copy, which is convenient and fast Link address:https://easydoc.xyz/ 1.Showdoc： An online API document and […]
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Time：2021-12-12
The above test development topic: how to perform parameter verification in spring boot. We discussed how to use @ min, @ Max and other annotations for parameter verification, mainly for the demonstration of parameter verification for basic data types and cascading objects. However, in practice, we often need more complex verification rules, such as the […]
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Time：2021-12-9
preface Hibernate validator is the reference implementation of bean validation. Hibernate validator provides the implementation of all built-in constraints in JSR 303 specification. In addition, there are some additional constraintsIn daily development, hibernate validator is often used to verify the fields of beans. Based on annotations, it is convenient, fast and efficient. It can be […]
