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Can't use method return value in write context
..., return value exists and contains null). Therefore:
if (!empty($r->getError()))
is logically equivalent to:
if ($r->getError())
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Group query results by month and year in postgresql
...s above recommended and I was getting a column 'year_month' does not exist error.
What worked for me was:
SELECT
date_trunc('month', created_at), 'MM/YYYY' AS month
FROM
"orders"
GROUP BY
date_trunc('month', created_at)
...
Creating default object from empty value in PHP?
I see this error only after upgrading my PHP environment to PHP 5.4 and beyond. The error points to this line of code:
16 A...
VS 2010 Test Runner error “The agent process was stopped while the test was running.”
...iple tests at one time using test lists, I sometimes reveive the following error for one or more of the tests:
19 Answers
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MYSQL Truncated incorrect DOUBLE value
...ed with (what appeared to be) a numeric value in the where clause threw an error. Changing modes, it threw a warning instead, but still did not apply the update. Upon closer inspection, the column used in the where clause, despite only having what appeared to be integer values, was actually a varcha...
Rendering HTML inside textarea
I need to be able to render some HTML tags inside a textarea (namely , , , ) but textareas only interpret their content as text. Is there an easy way of doing it without relying on external libraries/plugins (I'm using jQuery)?
If not, do you know of any jQuery plugin I could use to do this?
...
Why use the params keyword?
... sum += item + 2;
}
return sum;
}
addtwoEach(); // throws an error
Compare with params:
static public int addTwoEach(params int[] args)
{
int sum = 0;
foreach (var item in args)
{
sum += item + 2;
}
return sum;
}
addtwoEach(); // returns 0
Generally,...
An error occurred while installing pg (0.17.1), and Bundler cannot continue
...
Some kind of error resported here Installing PG gem on OS X - failure to build native extension
To install dependencies on Ubuntu try this:
sudo apt-get install libpq-dev
and this
gem install pg
...
AngularJS ng-class if-else expression
With AngularJS I'm using ng-class the following way:
9 Answers
9
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Error in : object of type 'closure' is not subsettable
...ing fine and then all of a sudden when I ran it again, I got the following error message:
5 Answers
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