入力制限の追加テキストエリアなどに入力制限をかけたい場合が出てきます。例えば、氏名のふりがななどを入力してもらう場合です。この場合は、ひらがなのみもしくはカタカタのみに入力制限をかけたくなります。PySimpleGUIのCook bookには数字のみ（郵便 ...

Python's ceiling is basically where C++'s floor is. I cringe a little when recruiters ask if I "know Python." You can pick up 90% of working Python in an afternoon if you already know a real language.

Strong python systems are built on the right library choices. Not every problem needs a complex stack. Not every library fits every use case. Clarity on what to use and when is what separates working ...

Value stream management involves people in the organization to examine workflows and other processes to ensure they are deriving the maximum value from their efforts while eliminating waste — of ...