Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
AnBox CANNOT be run on macOS.
There was a limited support of ARM-only app on x86-based Linux OS. However, Android 11+ images are capable of running ARM apps on x86-based machines …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement! Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
You have to have a SSH server installed on the Android phone …
The Pythonic way of checking whether a collection (string, list, set, dict, etc.) coll
is non-empty is to use if coll.
However,
do NOT use if arr to check whether a numpy array is non-empty or not.
Instead,
you shoule use arr.size >0 to check whether a numpy array is non-empty or not.
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Hive is case-insensitive, both keywords and functions
You can use both double and single quotes for strings
use = rather than == for equality comparison
but it seems that == also works
use % rather …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
比如在 LEFT JOIN 中过滤条件写在 ON 和 WHERE 的区别。
Table-value function 和 scalar-valued function 的区别.
char、varchar、nvarchar之间的区别(包括 …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Avoid implicit data convertion! This might cause full table scan which hurts performance badly. For more discussions, please refer to 一条垃圾SQL，把 64 核 CPU 快 …