大约有 30,000 项符合查询结果(耗时:0.0433秒) [XML]

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How to test if string exists in file with Bash?

...put. Exit immediately with zero status if any match is found, even if an error was detected. Also see the -s or --no-messages option. Error handling As rightfully pointed out in the comments, the above approach silently treats error cases as if the string was found. If you want to handle errors ...
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Get host domain from URL?

how to get host domain from a string URL? 9 Answers 9 ...
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Create PostgreSQL ROLE (user) if it doesn't exist

...e an SQL script to create a ROLE in PostgreSQL 9.1, but without raising an error if it already exists? 10 Answers ...
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What text editor is available in Heroku bash shell? [closed]

... the git repo .... over HTTPS without a commit hash - possible certificate error?' – Tim Malone Jun 27 '17 at 6:28 3 ...
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SecItemAdd and SecItemCopyMatching returns error code -34018 (errSecMissingEntitlement)

...on on device from Xcode I would try to access the keychain but fail due to error -34018. This doesn't match any of the documented keychain error codes and can't be consistently reproduced. (happens maybe 30% of the time, and it's not clear to me why it happens). What makes debugging this problem ver...
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Can you configure log4net in code instead of using a config file?

...t;DummyTypeForLog4Net> let logger = LogManager.GetLogger(aType) logger.Error(new Exception("exception test")) share | improve this answer | follow | ...
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记一次MongoDB性能问题 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

记一次MongoDB性能问题最近忙着把一个项目从MySQL迁移到MongoDB,在导入旧数据的过程中,遇到了些许波折,犯了不少错误,但同时也学到了不少知识,遂记录下来。公...最近忙着把一个项目从MySQL迁移到MongoDB,在导入旧数据的过...
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Learning about LINQ [closed]

One of the things I've asked a lot about on this site is LINQ . The questions I've asked have been wide and varied and often don't have much context behind them. So in an attempt to consolidate the knowledge I've acquired on Linq I'm posting this question with a view to maintaining and updating it ...
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HttpUtility does not exist in the current context

I get this error when compiling a C# application. Looks like a trivial error, but I can't get around it. 10 Answers ...
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How to diff one file to an arbitrary version in Git?

... directories if you are using a revision specifier or git will give you an error about the file/directory not existing in that revision. – Dylan Nissley Nov 21 '14 at 13:38 1 ...