Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
ttk.Checkbutton is preferred to tk.Checkbutton.
It seems to me that the Checkbutton.bind doesn't work.
However,
specifying a callback function using the command option
when creating a Checkbutton still …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
ttk.Entry is preferred over tk.Entry.
ttk.Entry/tk.Entry does not have a set method to set the text directly.
Instead,
you have to first delete the text and …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
ttk.Label is preferred over tk.Label.After creating a Label (whose text has already been set), there are 3 different approaches that …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Talk Slowly (2x slower than usual)
Invite Questions
Excited!!!
Fun
Mention people's name (gave people credit)
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 …