never change a running system
(nautical) A vessel used for the education and training of sailors. / (nautical) A vessel used as a reformatory.
plural of phrasemonger
A particular beta blocker.
Do not change something while it is working.
格言にあるように、稼働中のシステムは動いているうちは変更すべきではないので、アップグレードは営業時間外に予定しました。
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DiQt
Free
★★★★★★★★★★