FAQ/zh-cn: Difference between revisions

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== ~~Why~~ <hash>-<name> ~~instead of~~ <name>-<hash>? ==

== 为什么使用 <hash>-<name> 而不是 <name>-<hash>？ ==

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~~<div lang="en" dir="ltr" class="mw-content-ltr">~~

在少数需要深入查看 /nix/store 的情况下，将哈希值的前几位放在开头更方便记忆和使用。

~~For the rare cases where we have to dig into the~~ /nix/store ~~it is more practical to keep in mind the first few letters at the beginning than finding a package by name.~~

也就是说，几乎可以仅通过哈希的前 4-5 个字符唯一地识别一个存储路径。

~~Ie, you can uniquely identify almost any storepath with just the first 4-5 characters of the hash.~~

（这比先输入完整的包名再加上哈希的前几位要更高效。）

~~(Rather than having to type out the full package name, then~~ 4-5 ~~characters of the hash.)~~

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~~<div lang="en" dir="ltr" class="mw-content-ltr">~~

此外，由于开头部分长度一致，查看一系列软件包列表时在视觉上也更容易解析。

~~Also, since the initial part is all of the same length, visually parsing a list of packages is easier.~~

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<~~div lang~~="~~en" dir="ltr" class="mw-content-ltr~~">

== ~~I've updated my channel and something is broken, how can I rollback to an earlier channel?~~ ==

== 我更新了我的 channel，但出现了问题，如何回滚到之前的 channel？ ==

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~~<div lang="en" dir="ltr" class="mw-content-ltr">~~

查看可用的各代channel:

~~View the available generations of your channel~~:

~~</div>~~

~~<div lang="en" dir="ltr" class="mw-content-ltr">~~

nix-env --list-generations -p /nix/var/nix/profiles/per-user/root/channels

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20 2014-08-12 19:09:20 (current)

</syntaxhighlight>

~~To rollback to the previous generation:~~

回滚到上一代的方法如下：

~~</div>~~

@@ Line 73: / Line 73: @@
 </div>
-<div lang="en" dir="ltr" class="mw-content-ltr">
+<span id="Why_-_instead_of_-?"></span>
-== Why <hash>-<name> instead of <name>-<hash>? ==
+== 为什么使用 <hash>-<name> 而不是 <name>-<hash>？ ==
-</div>
-<div lang="en" dir="ltr" class="mw-content-ltr">
+在少数需要深入查看 /nix/store 的情况下，将哈希值的前几位放在开头更方便记忆和使用。
-For the rare cases where we have to dig into the /nix/store it is more practical to keep in mind the first few letters at the beginning than finding a package by name.
+也就是说，几乎可以仅通过哈希的前 4-5 个字符唯一地识别一个存储路径。
-Ie, you can uniquely identify almost any storepath with just the first 4-5 characters of the hash.
+（这比先输入完整的包名再加上哈希的前几位要更高效。）
-(Rather than having to type out the full package name, then 4-5 characters of the hash.)
-</div>
-<div lang="en" dir="ltr" class="mw-content-ltr">
+此外，由于开头部分长度一致，查看一系列软件包列表时在视觉上也更容易解析。
-Also, since the initial part is all of the same length, visually parsing a list of packages is easier.
-</div>
 <div lang="en" dir="ltr" class="mw-content-ltr">
@@ Line 109: / Line 104: @@
 </div>
-<div lang="en" dir="ltr" class="mw-content-ltr">
+<span id="I&#039;ve_updated_my_channel_and_something_is_broken,_how_can_I_rollback_to_an_earlier_channel?"></span>
-== I've updated my channel and something is broken, how can I rollback to an earlier channel? ==
+== 我更新了我的 channel，但出现了问题，如何回滚到之前的 channel？ ==
-</div>
-<div lang="en" dir="ltr" class="mw-content-ltr">
+查看可用的各代channel:
-View the available generations of your channel:
-</div>
-<div lang="en" dir="ltr" class="mw-content-ltr">
 <syntaxhighlight lang="bash">
 nix-env --list-generations -p /nix/var/nix/profiles/per-user/root/channels
@@ Line 124: / Line 115: @@
    2014-08-12 19:09:20   (current)
 </syntaxhighlight>
-To rollback to the previous generation:
+回滚到上一代的方法如下：
-</div>
 <div lang="en" dir="ltr" class="mw-content-ltr">