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Operator overloading in Java
...tors. I don't see how delegates break OOP principles - you need to be much more precise than that in your objections. I don't know the details of why the Java designers didn't include various features, but I suspect there's a mixture of resource pressure and a desire to keep the language small and r...
Why are interface variables static and final by default?
...See docs.oracle.com/javase/tutorial/java/IandI/… . A class cannot extend more than one class due to the same reason.
– denis
Aug 17 '17 at 21:02
...
How to use ELMAH to manually log errors
...(HttpContext.Current).Log(new Elmah.Error(ex));
}
ELMAH 1.2 introduces a more flexible API:
try
{
some code
}
catch(Exception ex)
{
Elmah.ErrorSignal.FromCurrentContext().Raise(ex);
}
There is a difference between the two solutions:
Raise method applies ELMAH filtering rules to the ...
Breadth First Vs Depth First
...e for both on principle (after all, they use essentially the same code). A more interesting question would be how they impact the cache and working set, but I think that will depend on the morphology of the tree.
– dmckee --- ex-moderator kitten
Mar 10 '16 at 1...
How to list the contents of a package using YUM?
..., this requires knowing the location of the .rpm file on the filesystem. A more elegant solution would be to use the package manager, which in my case is YUM. How can YUM be used to achieve this?
...
How do I do a not equal in Django queryset filtering?
...
@J.C.Leitão: see also @d4nt’s answer below for more intuitive syntax.
– Paul D. Waite
Apr 9 '14 at 21:47
...
PDO mysql: How to know if insert was successful
...
No more like this, $value = $stmt->execute(); if($value){//true}else{//false}
– Ólafur Waage
Jun 3 '11 at 8:40
...
git rebase: “error: cannot stat 'file': Permission denied”
...
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Can you have multiline HTML5 placeholder text in a ?
... i had test out. And it's not a matter of textarea's size. Can you provide more information on the issue you had ?
– Cyrbil
May 9 '15 at 15:40
...
How to avoid annoying error “declared and not used”
...eclared and not used
}
becomes
package main
import (
_ "fmt" // no more error
)
func main() {
i := 1 // no more error
_ = i
}
As said by kostix in the comments below, you can find the official position of the Go team in the FAQ:
The presence of an unused variable may indicate...