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How to check if array element exists or not in javascript?
...fined') {
// does not exist
}
else {
// does exist
}
}
catch (error){ /* ignore */ }
...that's how it worked in chrome, anyway (otherwise, the code stopped with an error).
share
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imp...
Using {} in a case statement. Why?
... return a * x;
case 1337:
int x = GetSomeOtherValue(); //ERROR
return a * x;
}
You will get a compiler error because x is already defined in the scope.
Separating these to their own sub-scope will eliminate the need to declare x outside the switch statement.
switch (a)
...
Get: TypeError: 'dict_values' object does not support indexing when using python 3.2.3 [duplicate]
...
Unfortuately, when I use the vlst example, I get an error "'dict' object has no attribute 'values'
– Jesse Pet
Jul 2 '13 at 17:18
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Changing column names of a data frame
...as in q1 <- q1 %>% mutate(rel_count = count / 482462) results in the error Error in mutate_impl(.data, dots) : unknown column 'days' (where days is a new name given to the column). This is really frustrating.
– David Tonhofer
Feb 7 '17 at 21:19
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(Mac) -bash: __git_ps1: command not found
I'm trying to change my command promt in terminal. I keep getting the error:
19 Answers
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ImportError: No module named six
... trying to build OpenERP project, done with dependencies. It's giving this error now
7 Answers
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New features in java 7
...tiple exception catching
this:
} catch (FirstException ex) {
logger.error(ex);
throw ex;
} catch (SecondException ex) {
logger.error(ex);
throw ex;
}
becomes:
} catch (FirstException | SecondException ex) {
logger.error(ex);
throw ex;
}
SafeVarargs
this:
@Suppre...
Infinite Recursion with Jackson JSON and Hibernate JPA issue
...rialized, in order to avoid the infite loop that causes your stackoverflow error.
So, Jackson takes the forward part of the reference (your Set<BodyStat> bodyStats in Trainee class), and converts it in a json-like storage format; this is the so-called marshalling process. Then, Jackson looks ...
No Entity Framework provider found for the ADO.NET provider with invariant name 'System.Data.SqlClie
...ading the EF6 by nuget and try to run my project, it returns the following error:
34 Answers
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Django's SuspiciousOperation Invalid HTTP_HOST header
After upgrading to Django 1.5, I started getting errors like this:
4 Answers
4
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