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Should I use a data.frame or a matrix?
... # obtains determinant
det(DF) # error
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Why can templates only be implemented in the header file?
...iations are referred to from other .cpp files, and I still get the linking error that the members are not found.
– oarfish
Sep 4 '19 at 14:38
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How can you use an object's property in a double-quoted string?
... caveman: It just was a thing that caught my eye as being a potential error cause. You can certainly do it and it's nothing weird, but when omitting the $() operator it screams "Fail" because it can't work. Thus my answer was just an educated guess about what your poblem could be, using the fir...
What are the use cases for selecting CHAR over VARCHAR in SQL?
...oft Transact-SQL docs seem to say the opposite. I would suggest that is an error or at least the docs are unclear.
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Why use pointers? [closed]
...aks and you're trying to track down a bug that belongs to a whole class of errors that pointers introduce, like memory corruption.
So if you control all of your code, stay away from pointers and instead use references, keeping them const when you can. This will force you to think about the life ti...
What's the difference between unit, functional, acceptance, and integration tests? [closed]
...sts at the object level. Individual software components are tested for any errors. Knowledge of the program is needed for this test and the test codes are created to check if the software behaves as it is intended to.
Functional Testing - Is carried out without any knowledge of the internal working...
How much does it cost to develop an iPhone application? [closed]
...ited Oct 15 '10 at 16:29
typeoneerror
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answered Oct 13 '10 at 17:53
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Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?
...al checks whether the value is missing. If the value is missing, a runtime error occurs. As a result, you should always check and unwrap an implicitly unwrapped optional yourself, unless you are sure that the value cannot be missing.
...and beyond here lay
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Should I use Java date and time classes or go with a 3rd party library like Joda Time?
... a better built-in parsing. A wrong date like "2014-02-31" is thrown as an error: Exception in thread "main"
org.joda.time.IllegalFieldValueException: Cannot parse "2014-02-31":
Value 31 for dayOfMonth must be in the range [1,28].
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http://swcodes.blogspot.co...
Graph Algorithm To Find All Connections Between Two Arbitrary Vertices
... have deep graph (A->B->C->...->N) you could have StackOverflowError in java.
– Rrr
Aug 15 '12 at 20:23
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