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How to print a stack trace in Node.js?
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Any Error object has a stack member that traps the point at which it was constructed.
var stack = new Error().stack
console.log( stack )
or more simply:
console.trace("Here I am!")
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Is floating point math broken?
...However, it does illustrate the point that binary floating-point precision errors tend to crop up because the "real world" numbers we are usually interested in working with are so often powers of ten - but only because we use a decimal number system day-to-day. This is also why we'll say things like...
The name does not exist in the namespace error in XAML
... July 2017. Simply changed in dropdown from Debug to Release, compiled and error was gone, changed back and compiled and error was still gone.
– Tedd Hansen
Jul 15 '17 at 7:36
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AngularJS: Is there any way to determine which fields are making a form invalid?
...S
$scope.someForm.username.$valid
// > false
$scope.someForm.password.$error
// > { required: true }
The exposed properties are $pristine, $dirty, $valid, $invalid, $error.
If you want to iterate over the errors for some reason:
$scope.someForm.$error
// > { required: [{$name: "usernam...
Proper use of errors
...nably large project, and am wondering what the standard is for the use of Error s. For example, say I hand an index out of bounds exception in Java:
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Android - SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length
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I have run into the same error entries in LogCat. In my case it's caused by the 3rd party keyboard I am using. When I change it back to Android keyboard, the error entry does not show up any more.
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How to create a unique index on a NULL column?
... index like that, make sure that ANSI_NULLS is ON, otherwise you'll get an error when trying to insert data.
– Arne
Oct 1 '12 at 7:35
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show...
PHP DOMDocument errors/warnings on html5-tags
...f the existing one.
Your best workable solution is going to be to disable error reporting with libxml_use_internal_errors:
$dom = new DOMDocument;
libxml_use_internal_errors(true);
$dom->loadHTML('...');
libxml_clear_errors();
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How to use ELMAH to manually log errors
... since ELMAH 1.0:
try
{
some code
}
catch(Exception ex)
{
Elmah.ErrorLog.GetDefault(HttpContext.Current).Log(new Elmah.Error(ex));
}
ELMAH 1.2 introduces a more flexible API:
try
{
some code
}
catch(Exception ex)
{
Elmah.ErrorSignal.FromCurrentContext().Raise(ex);
}
There i...
Deploying website: 500 - Internal server error
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First, you need to enable and see detailed errors of your web messages, because this is a general message without giving information on what's really happening for security reasons.
With the detailed error, you can locate the real issue here.
Also, if you can run th...