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搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
...持只读状态。
日志将会出现：
can't see a majority of the set, relinquishing primary
主节点挂掉能否人为干预？答案是肯定的。
可以通过replSetStepDown命令下架主节点。这个命令可以登录主节点使用
db.adminCommand({replSetStepDown : 1})...
How can I save my secret keys and password securely in my version control system?
I keep important settings like the hostnames and ports of development and production servers in my version control system. But I know that it's bad practice to keep secrets (like private keys and database passwords) in a VCS repository.
...
How does the C# compiler detect COM types?
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Implementing Fast and Efficient Core Data Import on iOS 5
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Golang tests in sub-directory
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Connect different Windows User in SQL Server Management Studio (2005 or later)
...n a domain that you're not currently a member of, even if there's no trust set up. It just tells runas that the credentials will be used for accessing remote resources - the application interacts with the local computer as the currently logged-in user, and interacts with remote computers as the user...
Regex lookahead for 'not followed by' in grep
...f looking negative assertions: when you have list of lines, returned by "ipset", each line showing number of packets in a middle of the line, and you don't need lines with zero packets, you just run:
ipset list | pcregrep "packets(?! 0 )"
If you like perl-compatible regular expressions and have p...
Load and execute external js file in node.js with access to local variables?
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How to use JavaScript source maps (.map files)?
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Pass Array Parameter in SqlCommand
...ge IN (@Age)";
cmd.AddArrayParameters("Age", ageList);
Make sure you set the CommandText before calling AddArrayParameters.
Also make sure your parameter name won't partially match anything else in your statement (i.e. @AgeOfChild)
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