Notes for the rust type categories
For rust fundamental types, the serde crate serializer and deserializer provide a reasonable type categories for grouping the complex types when serializing or deserializing a type.
The dominant speeds of hardware components are shifting.
...Notes for the reference in rust
Switching to Rust from C++ would encounter this question: does the reference sematics in rust is same as the C++?, Let’s describe it with an example.
...The content is copied from this awesome post as reference to myself.
As part of investigating the durability provided by cloud systems, I wanted to make sure I understood the basics.
...Let’s imagine we have an program that stores its state in a database, and we want other programs to do things when changes occur.
...In kubernetes, LoadBalancer is the most common way of exposing backend applications to the outside world. Its API is very similar to NodePort with the only exception being the spec.type: LoadBalancer. At the very least, a user is expected to define which ports to expose and a label selector to match backend Pods:
...LeakSanitizer internally uses ptrace, probably to suspend all threads such that it can scan for leaks without false positives (see issue 9). Only one application can use ptrace, so if we run application under gdb or strace, then LeakSanitizer won’t be able to attach via ptrace. if we are using clion, it probably end up with a error message like “LeakSanitizer does not work under ptrace (strace, gdb, etc)”
...Big-endian and little-endian are two byte ordering schemes used to store multibyte data types (such as integers and floating-point numbers) in computer memory.
...Case-(in)sensitive, collation and quote in different DBMSs.
In Oracle Database, you can use double quotes (") to quote SQL identifiers such as table names, column names, and aliases. By enclosing an identifier in double quotes, you can use mixed case, special characters, or reserved words as identifiers.
Unlike other databases like MySQL, PostgreSQL, etc., Oracle database have some dialect and different concepts, for example, create database command won’t work in Oracle, instead, it uses user as the isolate mechanisim instead of database.
Here Oracle Database basic usages FAQs record: