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When should one use final for method parameters and local variables?
...can do the preceding with out making String name final to get the compiler error (which I never said you couldn't) but you could easily make the compiler error go away setting name after the switch statement which throws away the expression semantics or worse forgetting to break which you cannot cau...
When do I need to use Begin / End Blocks and the Go keyword in SQL Server?
...
select 1
create procedure #Zero as
return 0
On SQL Server 2000 the error is:
Msg 111, Level 15, State 1, Line 3
'CREATE PROCEDURE' must be the first statement in a query batch.
Msg 178, Level 15, State 1, Line 4
A RETURN statement with a return value cannot be used in this context.
On SQL...
No identities were available - administrator request
...he old one was probably expired which is one of the biggest causes for the error message you saw)
Verify that your bundle ID is correct (CaSe SeNsEtIvE)
Back to XCode Organizer - Devices. Click TEAM (Left sidebar) and click "Refresh" (right-bottom). You will find XCode fetch the new profile. If new ...
Test if something is not undefined in JavaScript
I'm checking if(response[0].title !== undefined) , but I get the error:
11 Answers
11...
typecast string to integer - Postgres
...er as well as to_number(<column_name>,'9999999') but I am getting errors, as there are a few empty fields, I need to retrieve them as empty or null into the new table.
...
How to get a dependency tree for an artifact?
...:tree
Unfortunately dependency mojo must use pom.xml or you get following error:
Cannot execute mojo: tree. It requires a project with an existing pom.xml, but the build is not using one.
2) Find pom.xml of your artifact in maven central repository
Dependencies are described In pom.xml of your ar...
Twitter API returns error 215, Bad Authentication Data
...= false". We have traced down that it is cURL SSL certificate verification error, that makes Twitter library always return empty response.
– lubosdz
May 14 '15 at 15:20
add a ...
PSQLException: current transaction is aborted, commands ignored until end of transaction block
...
I got this error using Java and PostgreSQL doing an insert on a table. I will illustrate how you can reproduce this error:
org.postgresql.util.PSQLException: ERROR:
current transaction is aborted, commands ignored until end of transac...
Constant pointer vs Pointer to constant [duplicate]
...pointer
constant_pointer.c: In function ‘main’:
constant_pointer.c:13: error: increment of read-only variable ‘ptr’
Hence we see very clearly above that compiler complains that we cannot changes the address held by a constant pointer.
Pointer to Constants
#include<stdio.h>
int mai...
error: cannot dynamic_cast ‘b’ (of type ‘class Base*’) to type ‘c...
error: cannot dynamic_cast ‘b’ (of type ‘class Base*’) to type ‘class Derived*’ (source type is not polymorphic)在将父类型转换为子类型时,可以使用static_cast和dynamic_cast.如果使用dynamic_cast,它要求父类必须为多态的,即要求至少有一个虚函数,因此....