剛在看了 作者 的一場 演講,不過這並不是 CouchDB 的技術講座,而是 Damien Katz 在發展 CouchDB 的心路歷程。講他如何在養妻活兒的情況下,決定賣掉房子,專心「失業」,閉關尋找發展路向,到發展 CouchDB 的原因、決定和開發過程等等。
要下這樣的決
The issue of when bash sources your .bashrc does raisethe obvious question of how you can tell in your .bashrc what caseyou're dealing with, so that you can do different things in each ofthem.
The traditional approach to do this is to set environment variables tosignal what state you're in and how many things have been initialized.One traditional 'have I been initialized' variable is $PS1 , but thishas the tiny weakness that su 'ing to the account from another account
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One of the things that people ask for from their backup system, oftenfor sensible reasons, is the ability to recreate the system exactlyhow it was at some past time; these are usually called 'point in time'restores. Point in time restores for the recent past are usuallyreasonably easy, but doing it for significant times ago can be verydifficult.
The problem is the dependencies involved start to grow and grow. Forexample, if you want to be able to restore your accounting system tothe exact state
剛在看了 作者 的一場 演講,不過這並不是 CouchDB 的技術講座,而是 Damien Katz 在發展 CouchDB 的心路歷程。講他如何在養妻活兒的情況下,決定賣掉房子,專心「失業」,閉關尋找發展路向,到發展 CouchDB 的原因、決定和開發過程等等。
要下這樣的決