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What is the difference between 'E', 'T', and '?' for Java generics?
...s a List of any type
never
public <?> ? bar(? someType) {...} // error. Must use type params here
or
public class MyGeneric ? { // error
public ? getFoo() { ... } // error
...
}
It gets more confusing where they overlap. For example:
List<T> fooList; // A list ...
How to convert an entire MySQL database characterset and collation to UTF-8?
...
Can you put more detail in this I get ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'DB="dbname"
– steros
Apr 9 '14 ...
Convert string to integer type in Go?
...to int
i, err := strconv.Atoi(s)
if err != nil {
// handle error
fmt.Println(err)
os.Exit(2)
}
fmt.Println(s, i)
}
share
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Detecting Browser Autofill
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this approach trows error: "Syntax error, unrecognized expression: unsupported pseudo: -webkit-autofill" on other browsers(I tried on Firefox)
– anvita surapaneni
Jan 7 '19 at 21:30
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Connection timeout for SQL server
...3 million data in my table when i do some process program returns timeout error... note:i'm using indexing in table
– saulyasar
Nov 13 '15 at 12:26
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How do I create a slug in Django?
...ce def save(self): with def save(self, *args, **kwargs): in order to avoid errors from being thrown when writing something like test.objects.create(q="blah blah blah").
– Liam
Mar 24 '10 at 17:11
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#include in .h or .c / .cpp?
...reason to put as little as possible in the .h is to avoid in some cases an error because of a loop of inclusion. Example: two classes need one another for their implementations, but not for their declarations. Putting both includes in the .cpps will avoid an error.
– Codoscope
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HTTPS and SSL3_GET_SERVER_CERTIFICATE:certificate verify failed, CA is OK
...s of SSL/TLS, and are just coming here to copy/paste a quick fix for their error message.
– Bruno
Mar 13 '15 at 12:54
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Unable to add window — token android.os.BinderProxy is not valid; is your activity running?
...
I was seeing this error reported once in a while from some of my apps, and here's what solved it for me:
if(!((Activity) context).isFinishing())
{
//show dialog
}
All the other answers out there seem to be doing weird things like iterat...
Eclipse will not start and I haven't changed anything
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this always helps me after some strange background errors of incorrectly closing
– ramusus
May 26 '14 at 10:25
2
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