A turntable (music disk) made by Vue that rotates at a click. When you click to stop, it will slowly stop within a few seconds. Click the button again to rotate again.

Look at the effect first: Code: I will draw the main parts with red lines css:section: Source code: vue part: <template> <div class=”song-lyric”> <div> <div class=”type”> <div class=”right”> <div class=”right-center” :class=”{ ‘rotates’: isplay }”> <div> <img src=”//i2.wp.com/imagesone.oss-cn-beijing.aliyuncs.com/imagebishe/player_bar.png” class=”right-top” :class=”{rotated: isplay}”> </div> <div> <img src=”//i2.wp.com/imagesone.oss-cn-beijing.aliyuncs.com/imagebishe/disc.png” class=”tight-bottm” :style=”{ transform: ‘rotate(‘ + rotationAngle + ‘deg)’ }”> </div> </div> […]

Get timestamp, date, time, milliseconds and seconds in Unity to convert each other and customize time in format

Get timestamp, date, time, milliseconds and seconds in Unity to convert each other and customize time in format introduce what is timestamp When to use timestamps Get Time Get current time Get timestamp Date to timestamp Convert timestamp to date Convert timestamp to how long ago it was Week Custom format time Summarize Introduction Here […]

It takes 21 seconds to insert 10,000 rows of data using the pd.DataFrame.to_sql method

to_sql is the method used in Pandas to write DataFrame data to the database. It can convert DataFrame into SQL statements, which facilitates us to store the data in the database for subsequent operations. The to_sql method contains multiple parameters. The more commonly used parameters are name (table name), con (database connection object), if_exists (if […]

Frog fun, it turns out that you can use fish-style crazy words to figure out the branch structure in 30 seconds! ! !

Fish-style crazy talk: This crazy talk is not that crazy talk, but it is an easy-to-understand vernacular that can be understood and summarized after completing the questions and practicing and typing the code. I will try my best to insert fish-style crazy talk after each concept. Help everyone understand. Maybe it’s not that rigorous. But […]

Using java mail SMTPTransport to send an email, it arrives locally in seconds. Once on the server, it takes about 20-30 seconds. In the production environment, sending directly fails.

1. Code pom file <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.11</version> <scope>test</scope> </dependency> <!–Pom.xml adds a reference to javax.mail, or the project introduces the javax.mail jar package–> <dependency> <groupId>com.sun.mail</groupId> <artifactId>javax.mail</artifactId> <version>1.6.2</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> <version>5.3.20</version> </dependency> Send case import javax.activation.DataHandler; import javax.activation.DataSource; import javax.mail.*; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeBodyPart; import javax.mail.internet.MimeMessage; import javax.mail.internet.MimeMultipart; import javax.mail.internet.MimeUtility; import javax.mail.util.ByteArrayDataSource; import […]

Spring Cache kills millions of concurrency in seconds! 90% of projects use this performance optimization secret weapon!

Original Springboot practical case collection Spring Family Bucket practical case source code 2023-10-14 12:34 Published in Xinjiang Spring Family Bucket practical case source code Detailed explanation of spring, springboot, springcloud case development 376 original content No public Environment: springboot2.6.12 + JSR107 + Ehcache + JPA Spring Cache is a framework that implements annotation-based caching functionality. […]

[Office-excel] Subtract two times (2) – Subtract time with milliseconds

1. Use internal functions 1.1 Effect display =TEXT(((RIGHT(TEXT(B2,”yyyy-mm-dd hh:mm:ss.000″),LEN(TEXT(B2,”yyyy-mm-dd hh:mm:ss.000″ ))-FIND(“.”,TEXT(B2,”yyyy-mm-dd hh:mm:ss.000″)))-RIGHT(TEXT(A2,”yyyy-mm-dd hh:mm:ss.000 “),LEN(TEXT(A2,”yyyy-mm-dd hh:mm:ss.000”))-FIND(“.”,TEXT(A2,”yyyy-mm-dd hh:mm:ss.000″ )))) + (LEFT(TEXT(B2,”yyyy-mm-dd hh:mm:ss.000″),FIND(“.”,TEXT(B2,”yyyy-mm-dd hh:mm:ss. 000″))-1)-LEFT(TEXT(A2,”yyyy-mm-dd hh:mm:ss.000″),FIND(“.”,TEXT(A2,”yyyy-mm-dd hh:mm: ss.000″))-1))*86400000)/86400000,”[h]:m:S.000″) in: B2 End time A2 start time Cell format: yyyy-mm-dd hh:mm:ss.000 1.2 Step breakdown Steps Start time End time [B2]2023-09-10 10 :22:24.333 [C2]2023-09-11 10:22:23.222 1. Convert time to string [B3]2023-09-10 […]