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How can I create directory tree in C++/Linux?
...eate (%d: %s): %s\n",
(int)getpid(), errno, strerror(errno), argv[i]);
exit(rc == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
}
}
int status;
int fail = 0;
while (wait(&status) != -1)
{
if (WEXITSTA...
What is the difference between NULL, '\0' and 0?
...nd the compiler has to produce at least one diagnostic message (warning or error) according to the C Standard.
Note that what is a null pointer in the C language. It does not matter on the underlying architecture. If the underlying architecture has a null pointer value defined as address 0xDEADBEEF...
IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager
...
There are many related problems with a similar error message. Check the second line of this particular stack trace. This exception is specifically related to the call to FragmentManagerImpl.popBackStackImmediate.
This method call, like popBackStack, will always fail with...
How to map calculated properties with JPA and Hibernate
...,issue_date) from document_storage)")
private String myColumn;
the errors i get when i run and display my view even before trying to display the column on mustache is something like this
java.lang.NullPointerException
at java.base/java.lang.String$CaseInsensitiveComparator.compare(Stri...
How do I get currency exchange rates via an API such as Google Finance? [closed]
...testing/demo use. If you request more then it will return 400 and give you error: "The system has detected this request as an abuse of the free service. If you need more requests, please consider using the paid service. Please check currencyconverterapi.com/pricing for more information. Thank you." ...
JPA : How to convert a native query result set to POJO class collection
...
When I tried this I got an error that the class was not a known Entity. I ended up using this approach stackoverflow.com/questions/5024533/… instead of trying to use a native query.
– FGreg
Jan 30 '13 at 21:43
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What does functools.wraps do?
...sue with this that was pretty hard to trace where Django was reporting the error "object has no attribute '__name__'". Unfortunately, for class-style decorators, I don't believe that @wrap will do the job. I have instead created a base decorator class like so:
class DecBase(object):
func = No...
What is the difference between ? and Object in Java generics?
...me String");
All of the above method calls will result in a compile-time error because Java doesn't know what the Value type of the HashMap inside map is.
You can still get a value out of the hash map. Although you "don't know the value's type," (because you don't know what type of hash map is i...
Python: split a list based on a condition?
...where it's needed, thus reducing the likelihood for introducing typos/user error. Nice solution. Thanks!
– cod3monk3y
Nov 16 '13 at 21:08
3
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Enums and Constants. Which to use when?
...you could have trace levels as an int with values 0, 1, 2 or as an enum as error, warning and info.
Enum's also have the ability to be used as bitwise operators, i.e. FontStyle.Bold | FontStyle.Italic would give you bold and italic fonts.
...