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What optimizations can GHC be expected to perform reliably?
...Right x
As an extended example, take this definition of last:
last [] = error "last: empty list"
last (x:[]) = x
last (x:x2:xs) = last (x2:xs)
We first transform it to
last_nil = error "last: empty list"
last_cons x [] = x
last_cons x (x2:xs) = last (x2:xs)
{-# INLINE last #-}
last [] = last_...
multiple packages in context:component-scan, spring config
...scan base-package="x.y.z.service, x.y.z.controller" />
Note that the error complains about x.y.z.dao.daoservice.LoginDAO, which is not in the packages mentioned above, perhaps you forgot to add it:
<context:component-scan base-package="x.y.z.service, x.y.z.controller, x.y.z.dao" />
...
What is the difference between .yaml and .yml extension? [duplicate]
... when you encounter it), possible automatically upgrading/correcting these errors when possible.
The other recommendation I have is to document the argument(s) why you have to use .yml, when you think you have to. That way you don't look like an ignoramus, and give others the opportunity to underst...
Eclipse “Server Locations” section disabled and need to change to use Tomcat installation
...ete the tomcat and set it again.
It will be much easier then doing try and error for 7-10 times!
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How to format a DateTime in PowerShell
... This was the only approach that didn't throw a null-valued expression error for me. Thanks.
– Ecker00
Jul 5 '18 at 13:15
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How to write a scalable Tcp/Ip based server
... }
catch (Exception e)
{
throw new ApplicationException("Error occured while binding socket, check inner exception", e);
}
try
{
//warning, only call this once, this is a bug in .net 2.0 that breaks if
// you're running multiple asynch accepts, this bug m...
Git - Difference Between 'assume-unchanged' and 'skip-worktree'
... and --assume-unchanged do not allow switch to different branch. I get the error: Your local changes to the following files would be overwritten by checkout. Details here
– Eugen Konkov
Jun 2 '18 at 11:20
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How to subtract date/time in JavaScript? [duplicate]
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in TypeScript I get a tslint error when I try to do this: var diff = Math.abs(new Date() - compareDate);
– Devid
Sep 16 '17 at 10:32
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Delete all records in a table of MYSQL in phpMyAdmin
...raint in the table then those record will not be deleted and will give the error.
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Filling a DataSet or DataTable from a LINQ query result set
... the as IEnumerable<DataRow>; you will see the following compilation error:
Cannot implicitly convert type 'System.Collections.Generic.IEnumerable' to 'System.Collections.Generic.IEnumerable'. An explicit conversion exists (are you missing a cast?)
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