Code-optimization - Related information

• On the Optimization of if-else in Java

  problem description this is a relatively simple topic that can be written. What I want to ask is whether these if-else can be optimized . related codes Please paste the code text below (do not replace the code with pictures) public static voi...

  Code-optimization java

  Jun.09,2022
• Implementing code using methods in java.util.function is ten times slower than normal java code?

  problem description java.util.function,, A code that determines whether a field is empty has been rewritten (some business definitions assume that a field is empty by default if it is equal to-1). ,,,: related codes Old Code public static &...

  Code-optimization java8 java

  Apr.17,2022
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e41936-44923.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e41936-44923.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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