Programmer Think

Use background As a developer, I'm not writing BUG，Just writing BUG On my way. Small and medium-sized companies, in particular, are usually understaffed, the development process is imperfect, and the test scenario cannot cover all of them. Although I suggest that I should write less every time I modify old functions and make new functions BU ...

Mybatis plus is a mybatis enhancement tool to simplify development and improve efficiency. The following uses the abbreviation mp to simplify the representation of mybatis plus. This article mainly introduces the use of mp with SpringBoot. Note: the mp version used in this article is the latest version 3.4.2. Please refer to the documentation ...

Android animation can act on View/ViewGroup, activity and Fragment to achieve cool interaction effects. After several days of exploration, we have made clear the use of all kinds of animation and the implementation principle of animation, which is recorded below.Although there are several categories of Android animation, the implementation core ...

prefaceAndroid event distribution mechanism is the foundation that Android developers must understandThere are a large number of articles on Android event distribution mechanism on the Internet, but there are some problems: incomplete content, unclear ideas, no source code analysis, complex simple problems and so onToday, I will comprehensively ...

As one of the basic functions of microservices, the registry plays an important role. Microservices divide individual services into services under different modules, and what about communication calls for services of different modules? This requires service registration and discovery. This article will use Alibaba's open source project nacos to ...

background In the project, I want to inject a field with @ Value, but I didn't expect that the injection was unsuccessful, but I can do it in another way, so I want to know the reason why the @ Value annotation was unsuccessful. The code in this article is based on Spring version 5.3.8 Simulate @ Value successful scenario First of all, in o ...

Create a new PHP file: a.php <?php $a = "a.txt"; include("php://filter/resource=" . $a); Create a new file in the same directory: a.txt (the content is <? PHP phpinfo();? > base64 encoding) PD9waHAgcGhwaW5mbygpOz8+ Next breakpoint in the related function of the corresponding file: [data] Post key codes: php_stream * php_strea ...

Author|HangingSource|Ali Technical Public NumberThis article takes lazy loading as an example to step through the concepts of functional programming, so the reader does not need any basis for functional programming, just a little knowledge of Java 8.Is an abstraction bound to degrade code performance?The programmer's dream is to write "hig ...

When the client connects to the MySQL server, it must provide valid identity authentication, such as user name and password. When the user performs any database operation, the server will verify whether the user has corresponding permissions. For example, SELECT permission is required for query tables and DROP permission is required for deletin ...

Blog: www.jiaopengzi.com Article directory of jiaoshanzi Please click to download the attachment 1, Background A few days ago, a friend was exchanging stock RSI with DAX. Because almost all the algorithms of RSI stock software need all the data from the first day of listing. The influencing factors of the current RSI [close] push forward wi ...