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Cocoa Core Data efficient way to count entities
...ties:NO]; //Omit subentities. Default is YES (i.e. include subentities)
NSError *err;
NSUInteger count = [moc countForFetchRequest:request error:&err];
if(count == NSNotFound) {
//Handle error
}
[request release];
s...
NHibernate ISession Flush: Where and when to use it, and why?
...nScope
I don't fully understand why on this one, but Flush() prevented my error from happening.
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Location Manager Error : (KCLErrorDomain error 0)
Why does this error occur?
15 Answers
15
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nodeJs callbacks simple example
... this next line:
usingItNow(myCallback);
With Respect to the Node-Style Error Conventions
Costa asked what this would look like if we were to honor the node error callback conventions.
In this convention, the callback should expect to receive at least one argument, the first argument, as an err...
How do I catch an Ajax query post error?
I would like to catch the error and show the appropriate message if the Ajax request fails.
8 Answers
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How to implement a secure REST API with node.js
...d(409);
res.end();
return;
}
// no error:
res.writeHead(200);
res.end();
});
});
// .......................................................
// "main()"
secureServer.listen (8081);
This server can be tested with curl:
echo "---- first...
What's the best way to bundle static resources in a Go program? [closed]
...put would look like (try it on the Go Playground):
"\x00\x01\x02\x03\x04\x05\x06\a\b\t\n\v\f\r\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f !\"#$%&'()*+,-./0123456789:;<=>?"
(Note that strconv.Quote() appends and prepends a quotation mark to it.)
You can direc...
What is the concept of erasure in generics in Java?
...nerics, mind you.) Type erasure is the source of many of the "odd" warning/error messages when dealing with Java generics.
Other resources:
Oracle documentation
Wikipedia
Gilad Bracha's Java generics guide (PDF - highly recommended; link may need to change periodically)
Angelika Langer's Java Gen...
How to get a complete list of object's methods and attributes?
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I get this error: >> dir__(pyrenderdoc) Traceback (most recent call last): File "<string>", line 1, in <module> NameError: name '__dir' is not defined
– Mona Jalal
Dec 30 '16 at...
Change the Target Framework for all my projects in a Visual Studio Solution
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Great but on my system i got an error script1.ps1 cannot be loaded because running scripts is disabled on this system. For more information, see about_Execution_Policies so i run command set-executionpolicy remotesigned to fix that.
– ...