Tag：check
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Time：2020-11-20
Oauth2 authorization code mode Licensing server Basic configuration of spring security, creating users and roles @Configuration public class SecurityConfig extends WebSecurityConfigurerAdapter { @Bean PasswordEncoder passwordEncoder(){ return new BCryptPasswordEncoder(); } @Override protected void configure(AuthenticationManagerBuilder auth) throws Exception { auth.inMemoryAuthentication() .withUser(“johnny”).password(new BCryptPasswordEncoder().encode(“123”)).roles(“user”) .and() .withUser(“john”).password(new BCryptPasswordEncoder().encode(“123”)).roles(“admin”); } @Override protected void configure(HttpSecurity http) throws Exception { http.csrf().disable().formLogin(); […]
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Time：2020-11-17
In fact, a more general method for date / time verification (in Java) is to give a pattern, parse (the date class in JDK or jodatime can be used). If you do not throw an exception, it is the correct format. Otherwise, it is an incorrect format. For regular verification, it is difficult to write […]
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Time：2020-11-12
To register and log in with SMS verification code, 4-digit or 6-digit random number should be generated firstly, and then the random number will be sent to the requested mobile phone number through SMS interface, and then check whether the input random number is consistent. The logic is still very simple and clear. The following […]
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Time：2020-11-10
Why use JWT Due to the customer’s request to go online as soon as possible, the project temporarily dispatched personnel to complete the project. At the beginning, it only focused on the data, and did not consider the login verification. In addition, at that time, the project was only provided for one customer, so the […]
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Time：2020-11-10
What is connection pool What is?Connection pool — connection poolWhat about it? I won’t explain. Take a closer look at this article [production level nodejs development practice – using connection pool](the first half of this article describes what connection pooling is) JDBC connection pool in Tomcat Its English documents are in: [the Tomcat JDBC connection […]
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Time：2020-11-9
Preface Hello, I’m brother guide! This is my 221 high quality original articles. If you want to reprint, please indicate the address at the beginning of the article, crab! This article has been included in my 75K star Java open source project javaguide: https://github.com/Snailclimb/JavaGuide Related reading: v2.0 version of “javaguide interview surprise edition” is coming! […]
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Time：2020-11-8
Hello, everyone. I’m a ruffian. I’m a real technical ruffian. Heng is to share with you todaySetting different reset types in IAR online debugging may lead to inconsistent debugging phenomena under i.mxrt。 There are a lot of IDE available for Cortex-M core MCU embedded software development. We will not mention the classic GCC. We will […]
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Time：2020-11-8
Ueditor supports single image, multi image and video upload. Editor configuration item supports file format and file size verification, but does not support file width and height size verification. Here we record the verification process of user-defined pictures and videos. The core content is to expand the verification logic and add custom prompt text. Single […]
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Time：2020-11-7
Absrtact: Oracle database sometimes accidentally delete the data. If you want to query the data or recover the data, you can use the select statement with as of Clause for flashback query. PG powder is blessed, the following introduces a similar “flashback query” plug-in PG_ Dirtyread, which can read dead data that has not been […]
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Time：2020-11-4
Q: I’m easy to use. Why can’t he do it? A: First compare the file information, don’t just upload and download interruption. Sha256 check code sha256sum <file>Output sha256 file verification information. $ sha256sum test.txt f2ca1bb6c7e907d06dafe4687e579fce76b37e4e93b7605022da52e6ccc26fd2 test.txt $ sha256sum test.txt | cut -d ‘ ‘ -f 1 f2ca1bb6c7e907d06dafe4687e579fce76b37e4e93b7605022da52e6ccc26fd2 file size du -h <file>Output “human readable” file […]
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Time：2020-11-3
In daily project development, there will be some reusable data processing functions, so they are extracted and encapsulated in the tool class of components. 1. Judging whether it is an object /** *@ param {object} obj object */ export const isObj = (obj) => { // return Object.prototype.toString.call(obj) === ‘[Object Object]’ return Object.prototype.toString.call(obj).slice(8, -1) === […]
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Time：2020-11-1
This article mainly introduces the implementation of the enumeration value verification function of springboot validator. The article introduces in detail through the example code, which has certain reference learning value for everyone’s study or work, and friends in need can refer to it 1、 Preface In spring project, it is a good choice to use […]
