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postgresql - sql - count of `true` values
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java.net.UnknownHostException: Invalid hostname for server: local
... local computer. Try with the hostname "localhost" instead, or perhaps 127.0.0.1 or ::1 (the last one is IPv6).
From the javadocs:
Thrown to indicate that the IP address
of a host could not be determined.
127.0.0.1or ::1 or "localhost" should always be the loopback interface, so if that doe...
cannot convert data (type interface {}) to type string: need type assertion
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301
According to the Go specification:
For an expression x of interface type and a type T, the ...
The backend version is not supported to design database diagrams or tables
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This is commonly reported as an error due to using the wrong version of SSMS(Sql Server Managem...
Expand/collapse section in UITableView in iOS
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You have to make your own custom header row and put that as the first row of each section. Subc...
unresolved reference to object [INFORMATION_SCHEMA].[TABLES]
... SamSam
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Is there a CSS selector for text nodes?
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JacobJacob
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How do I escape a percentage sign in T-SQL?
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edited Mar 8 at 2:10
Peter Mortensen
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How can I use Bash syntax in Makefile targets?
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+500
From the GNU Make documentation,
5.3.1 Choosing the Shell
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The program used as the shell is taken from the ...
“On-line” (iterator) algorithms for estimating statistical median, mode, skewness, kurtosis?
... from your set (e.g. that you don't introduce a bias by picking the first 100'000 values). The same approach can also be used for estimating mode and median for the normal case (for both the sample mean is an estimator).
Further comments
All the algorithms above can be run in parallel (including m...