Detailed explanation of Python pickle deserialization
What is Python deserialization python deserialization is similar to php deserialization (I haven't touched java yet). It is equivalent to transforming the variables, dictionaries, object instances, etc. generated during program operation into string form and storing them for subsequent calls anUTF-8...
Posted by angershallreign on Thu, 16 Dec 2021 17:33:47 +1030
JAVA object layout -- object header
Due to the object-oriented idea of Java, a large number of objects need to be stored in the JVM. In order to realize some additional functions during storage, some tag fields need to be added to the object to enhance the function of the object. When learning the knowledge of synchronized concurUTF-8...
Posted by Dville on Thu, 14 Apr 2022 05:34:41 +0930
Do you know the lowest water mark idea of distributed system design pattern?
Low water mark The lowest water mark refers to that in the design mode of WAL (Write Ahead Log), the log marked before this position can be discarded. Problem background The WAL (Write Ahead Log) pre write log maintains every update to the storage. As time goes on, the log file will become infiUTF-8...
Posted by utdfederation on Tue, 19 Apr 2022 08:09:31 +0930
this.$set source code analysis
this.$set method = = Vue Set vue.set is defined on the constructor, and the former is defined on the prototype object /** * Set a property on an object. Adds the new property and * triggers change notification if the property doesn't * already exist. */ export function set (target: Array |UTF-8...
Posted by Tonisius on Sat, 13 Aug 2022 02:46:25 +0930