defined Questions
6
I was wondering if there is anyway to return the name of the table using a formula?
I was working on a way to break down a few thousand addresses into there perspective column of information. ie.....
3
I have a need to have some variable to be specified and exist in the environment.
In case it does not exist need to stop building.
example
if ( "${VARMUSTEXIST}" STREQUAL "ON" )
message(STATUS ...
3
Solved
This is probably just wishful thinking...
Is there any way to check to see if an ASP/VBScript function is defined before calling it?
Sweatband asked 28/5, 2009 at 15:10
5
Solved
im having a problem in visual studio it keeps saying i have defined a member with same parameter types. Im new to C# programming and i dont really know what to do. These are the errors that are occ...
Muirhead asked 5/11, 2012 at 17:22
8
Solved
I am trying to make a function that prints the variance of a list of defined numbers:
grades = [100, 100, 90, 40, 80, 100, 85, 70, 90, 65, 90, 85, 50.5]
So far, I have tried proceeding on making...
2
Solved
clang 3.9 has added to -Wall a the warning -Wexpansion-to-defined, which produces
macro expansion producing 'defined' has undefined behaviour
in case defined is used outside an #if expression...
Fir asked 6/2, 2017 at 17:44
3
If I set a constant to = '',
How to I check if constant has something inside ?
(ie see if it is set to something other than the empty string.)
defined() does not do what I want, because it is alre...
5
Solved
So I was trying out the material design support library and when I added the dependency, compiled, and I got this error.
I looked at similar problems and tried their solutions but it would not get ...
1
Solved
Please take a look at the following code:
use strict;
use warnings;
print "subroutine is defined\n" if defined &myf;
myf();
sub myf
{
print "called myf\n";
}
undef &myf;
#myf();
print...
Marlenamarlene asked 20/9, 2016 at 10:52
6
Solved
How do I turn a string into a class name, but only if that class already exists?
If Amber is already a class, I can get from a string to the class via:
Object.const_get("Amber")
or (in Rails)
...
Goofball asked 22/4, 2011 at 18:5
1
Solved
PHP7 brought possibility define array constants with define(). In PHP 5.6, they could only be defined with const.
So I can use define( string $name , mixed $value )) to set array of constants, bu...
1
Solved
So, we have the code:
class Foo
def bar
puts "Before existent: #{(defined? some_variable)}"
puts "Before not_existent: #{(defined? nonexistent_variable)}"
raise "error"
some_variable = 42
...
1
Solved
I have a config file that I include early in my program and set this
define('BASE_SLUG','/shop');
I include another file later with these lines
echo BASE_SLUG;
if (defined(BASE_SLUG)) {
echo '...
1
Solved
In XE5 all conditional compilations such as
{$IFDEF MSWINDOWS}
are replaced with
{$IF defined(MSWINDOWS)}
For example System.Diagnostics.pas in XE4 had
...
implementation
{$IFDEF MSWINDOW...
Bagley asked 11/5, 2014 at 20:27
1
Solved
When trying to assign a variable and test it for definedness in one operation in Perl, as would be useful for instance in an if's condition, it would seem natural to me to write:
if ( defined my $...
Nevus asked 14/4, 2014 at 13:14
2
Solved
How you can have a different behaviour if a variable is defined or not in racket language?
1
I use CXF to generate client class to access web service server. The web service are based on WCF (.NET).
When I call wsdl2java, I have the following error :
The id property is already defined. u...
Oxley asked 23/5, 2013 at 12:52
6
Solved
What's the most concise way to determine if @hash[:key1][:key2] is defined, that does not throw an error if @hash or @hash[:key1] are nil?
defined?(@hash[:key1][:key2]) returns True if @hash...
Courser asked 28/7, 2010 at 18:10
2
Solved
I have a simple function, which I shall call myFunction. It takes two parameters, performs some calculations on them, and returns the result.
I also have a class, MyClass, which has a constructor ...
1
Solved
I'm working at a SaaS, where any tenant can have several lists of contacts, each list can have any number of custom fields contacts of this list can store and any number of groups the contancts of ...
Sobersided asked 21/11, 2010 at 8:38
2
Solved
I've got a situation like the following:
enum Header
{
Sync,
[OldProtocol] Keepalive,
Ping,
[OldProtocol] Auth,
[OldProtocol] LoginData
//...
}
I need to obtain an array of elements on whi...
Eyeleen asked 7/1, 2012 at 17:0
6
Solved
How do you know whether a variable has been set at a particular place in the code at runtime? This is not always obvious because (1) the variable could be conditionally set, and (2) the varia...
3
Solved
class C1
unless method_defined? :hello # Certainly, it's not correct. I am asking to find something to do this work.
def_method(:hello) do
puts 'Hi Everyone'
end
end
end
So, how to judge whe...
Provenience asked 4/8, 2010 at 6:5
5
I need to validate a Perl hash of hash element such as $Table{$key1}{$key2} to exist and be defined. Here is what I do. (I have no idea $key1 even exists)
if
((defined $Table{$key1}) &&
...
3
Solved
I need to determine if a Perl hash has a given key, but that key will be mapped to an undef value. Specifically, the motivation for this is seeing if boolean flags while using getopt() with a hash ...
1 Next >
© 2022 - 2024 — McMap. All rights reserved.