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How to get unique values in an array
...be ? ToObject(this value).
if (this == null) {
throw new TypeError('"this" is null or not defined');
}
var o = Object(this);
// 2. Let len be ? ToLength(? Get(O, "length")).
var len = o.length >>> 0;
// 3. If len is 0, return false.
if (l...
Disable Required validation attribute under certain circumstances
...ach (var modelValue in modelState.Values)
{
modelValue.Errors.Clear();
}
}
}
A better approach has been described here Enable/Disable mvc server side validation dynamically
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Internet Explorer's CSS rules limits
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Thank you for the script. It helped me debug a different error
– Jdahern
May 6 '14 at 22:56
4
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Sql Server string to date conversion
...TRY_PARSE(FORMAT(@d, N'MMM-dd/yyyy HH:mm:ss') AS DATETIME);
-- returns an error if the conversion fails:
SELECT PARSE(FORMAT(@d, N'MMM-dd/yyyy HH:mm:ss') AS DATETIME);
I strongly encourage you to take more control and sanitize your date inputs. The days of letting people type dates using whatever...
Naming “class” and “id” HTML attributes - dashes vs. underlines [closed]
.../
.demoimage {}
/* Not recommended: uses underscore instead of hyphen */
.error_status {}
/* Recommended */
#video-id {}
.ads-sample {}
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follo...
Random record in ActiveRecord
... The code Model.find(:offset => offset).first will throw error. I think Model.first(:offset => offset) might perform better.
– Harish Shetty
May 3 '10 at 0:30
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How to write a simple Html.DropDownListFor()?
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I recieve below error when try your code : "Object reference not set to an instance of an object."
– Bashar Abu Shamaa
Nov 22 '12 at 8:55
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Can a variable number of arguments be passed to a function?
...t this is unfortunately not general enough: manyArgs(x = 3) fails with TypeError. Skumedel's answer shows the solution to this. The key point is that the general signature of a function is f(*list_args, **keyword_args) (not f(*list_args)).
– Eric O Lebigot
Mar ...
delete vs delete[] operators in C++
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I made this error when I had an array of C strings like "char** strArray". If you have an array like I do, you need to iterate through the array and delete/free each element, then delete/free the strArray itself. Using "delete[]" on the ...
Is there a way to change the environment variables of another process in Unix?
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On some systems gdb may give the following error: 'putenv' has unknown return type; cast the call to its declared return type; in those cases you should change putenv call to this: call (int) putenv ("env_var_name=env_var_value")
– Emir Uner
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