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Cannot push to GitHub - keeps saying need merge
... This worked for me. I have tried $ git pull origin master -v but it gives error fatal: refusing to merge unrelated histories. Then I tried this and it worked and my local files appeared on github remote repo.
– Vir
Aug 23 '19 at 15:42
...
What is the best Java email address validation method? [closed]
...ache COmmons: "This implementation is not guaranteed to catch all possible errors in an email address." And I said what you have to do to "ensure it's a real email". Addresses with local IPs could be valid in rare environments, though.
– Matthew Flaschen
Oct ...
How do I echo and send console output to a file in a bat script?
...ng.txt
In this example the "standard output" will go into files.txt, all errors will be in err.txt and the stream3 will go into nothing.txt (DIR doesn't use the stream 3).
Stream0 is STDIN
Stream1 is STDOUT
Stream2 is STDERR
Stream3-9 are not used
But what happens if you try to redirect the same ...
ReSharper warns: “Static field in generic type”
...jority of cases, having a static field in a generic type
is a sign of an error. The reason for this is that a static field in a
generic type will not be shared among instances of different close
constructed types. This means that for a generic class C<T> which
has a static field X, the...
Restful API service
...g interesting
// hide progress
break;
case ERROR:
// handle the error;
break;
}
}
The Service:
public class QueryService extends IntentService {
protected void onHandleIntent(Intent intent) {
final ResultReceiver receiver = i...
Rails: Missing host to link to! Please provide :host parameter or set default_url_options[:host]
...lt_url_options to solve this same bug elsewhere, but now I'm getting this error when trying to use a URL helper inside an RSpec spec. I have no idea where it's expecting default_url_options to be set.
...
Rails and PostgreSQL: Role postgres does not exist
...e many people said here, run createuser -s USER, but that gave me the same error. This finally worked for me:
$ sudo su
# su postgres
# createuser -s --username=postgres MYUSERNAME
The createuser -s --username=postgres creates a superuser (-s flag) by connecting as postgres (--username=postgres ...
How to read environment variables in Scala
...get("VARIABLE") which will give you an Option[String] rather than throw an error if that variable is missing.
– Cristian Vrabie
Sep 24 '13 at 14:35
4
...
How do I import the javax.servlet API in my Eclipse project?
...tcontainer-specific libraries in a careless attempt to fix the compilation errors:
java.lang.NullPointerException at org.apache.jsp.index_jsp._jspInit
java.lang.NoClassDefFoundError: javax/el/ELResolver
java.lang.NoSuchFieldError: IS_DIR
java.lang.NoSuchMethodError: javax.servlet.jsp.PageContext.ge...
Handler is abstract ,cannot be instantiated
...
@Glenn--, srsly, this just solved all manner of other errors in my code. ++ to this answer!
– Joel Balmer
Mar 12 '14 at 22:28
...