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When MySQL is installed, there are warning: [Root@localhost mysql]# scripts/mysql_install_db--user=mysql installing MySQL system tables ... 2015-08-13 14:20:09 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use--explicit_defaults_for_timestamp server option (the documentation for more details). 2015-08-13 14:20:09 0 [note]./bin/mysqld (mysqld 5.6.26) starting as process 1934 ... 2015-08-13 14:20:09 1934 [note] innodb:using mutexes to ref count buffer pool pages 20

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here do not explain, need to pay attention to cluster-require-full-coverage This parameter should be set to No If this was set to Yes, as it was by default, the cluster stops accepting writes if some percentage of the key space was not Covered by any node. If the option is set to No, the cluster would still serve queries even if only requests about a subset of keys can Proce ssed. In short, Cluster will Key (or according to the hash tag) ac

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% Implement PCA to obtain Xrot, the matrix in which the data is Expres sed% with respect to the eigenbasis of Sigma, which is the matrix u.%--------------------YOUR CODE here--------------------Xrot = zeros (size (x)); % need to compute this% compute covariance matrix and perform eigenvalue decomposition m=size (x,1);% input sample Count sigma=x*x '/m;% input data covariance matrix [U,s,v]=eig (sigma);% Eigenvalue decomposition of the covariance matrix [S_value,s_index]=sort (Diag (S), ' descend

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");Sys.exit (1)If Message.find (': ') Sys.stderr.write ("Please fill in the comments according to the specification, format: function name: Modify description. \ n");Sys.exit (1) Changelist = Os.popen ("/usr/bin/svnlook changed '%s '-t '%s '"% (repos, TXN)). ReadLines ()For line in Changelist:For badlist:If Re.search (pattern, line):Sys.stderr.write ("Please do not add%s to the version library. \ n"% Line[1:].strip ());Sys.exit (1)Sys.exit (0) If __name__ = = "__main__": main (sys.argv[1:)

fromTimeImportCTime, SleepdefTsfunc (func):defWrappedfunc ():Print('[%s]%s () classed'% (CTime (), Func.__name__)) Print("perform the adorner first") returnfunc ()Print("This is tsfunc") returnWrappedfunc@tsfuncdeffoo ():Print("This is foo") @tsfuncdefFoo2 ():Print("This is Foo2") foo (); Foo2 ();Run resultsThis was Tsfuncthis is Tsfunc[fri Dec 20:48:34] Foo () classed first performed adorner this is Foo[fri Dec 20:48:34] Foo2 () CLA Ssed