2020-11-06から1日間の記事一覧

2020-11-06

VB.netで日付をシリアル値に変換

Dim today As Date = DateTime.Today Console.WriteLine(today.ToOADate)整数部が年月日、小数部が時間になるネタ元 https://www.atmarkit.co.jp/ait/articles/1709/06/news020.htmlhttps://tmg0525.hatenadiary.jp/entry/2017/09/14/143939

2020-11-06

vb.netで文字列を暗号化/複合化

'暗号化用のデータ Dim enc_key() As Byte _ = { &HED, &HB, &H56, &HAF, &H61, &HA2, &H71, &H39, &HE0, &H4B, &HDC, &HC9, &H23, &H69, &H8C, &HBD, &HB9, &H86, &H98, &H28, &HC8, &H3E, &H62, &HA7, &HFA, &H17, &HC1, &H33, &H64, &HBF, &H96, &H24 } D…