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Is there a library function for Root mean square error (RMSE) in python?
I know I could implement a root mean squared error function like this:
12 Answers
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How do I deserialize a JSON string into an NSDictionary? (For iOS 5+)
... an NSString parameter where you should be passing an NSData parameter:
NSError *jsonError;
NSData *objectData = [@"{\"2\":\"3\"}" dataUsingEncoding:NSUTF8StringEncoding];
NSDictionary *json = [NSJSONSerialization JSONObjectWithData:objectData
options:NSJSONRea...
Difference between timestamps with/without time zone in PostgreSQL
...gnored by PostgreSQL, so '2011-07-01 06:30:30+00' and '2011-07-01 06:30:30+05' are the same as just '2011-07-01 06:30:30'.
For Java developers: it's analogous to java.time.LocalDateTime.
TIMESTAMP WITH TIME ZONE stores a point on the UTC time line. How it looks (how many hours, minutes, etc.) depend...
Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit
I'm writing StoreKit-related code, and I'm getting some rather troubling error codes when I try to add a purchase to the queue.
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throw Error('msg') vs throw new Error('msg')
...roperties on the object and the same __proto__ chain. Almost seems like Error acts like a factory.
2 Answers
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How do I use valgrind to find memory leaks?
...the origins of uninitialized values, which could be very useful for memory errors. Consider turning off if Valgrind is unacceptably slow.
--verbose: Can tell you about unusual behavior of your program. Repeat for more verbosity.
--log-file: Write to a file. Useful when output exceeds terminal space....
What is a smart pointer and when should I use one?
...he MyObject is automatically destroyed.
// ptr->Oops(); // Compile error: "ptr" not defined
// since it is no longer in scope.
}
Note that std::unique_ptr instances cannot be copied. This prevents the pointer from being deleted multiple times (incorrectly). You can, how...
CocoaPods Errors on Project Build
I'm unable to build a project that uses CocoaPods. I get the following errors:
30 Answers
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Read a file in Node.js
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There is a typo error in your code sample, your path.join is useless, use , instead of +
– Yves M.
Jul 25 '14 at 15:28
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Failed to load resource: net::ERR_INSECURE_RESPONSE
IS there a way to trick the server so I don't get this error:
8 Answers
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