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Link vs compile vs controller
...nt or its parent. The name can be prefixed with:
? – Will not raise any error if a mentioned directive does not exist.
^ – Will look for the directive on parent elements, if not available on the same element.
Use square bracket [‘directive1′, ‘directive2′, ‘directive3′] to require...
Refresh image with a new one at the same url
...s the image in an <img> tag, otherwise you'll get an "Access Denied" error when trying to call iframe.contentWindow.reload(...).
Pros: Works just like the image.reload() function you wish the DOM had! Allows images to by cached normally (even with in-the-future expiry dates if you want them, ...
Understanding ibeacon distancing
...uracy. Following URLs to start with: http://en.wikipedia.org/wiki/Standard_error, http://en.wikipedia.org/wiki/Uncertainty
In physical world, when you make some measurement, you always get different results (because of noise, distortion, etc) and very often results form Gaussian distribution. There...
Checking for empty arrays: count vs empty
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empty() is too forgiving of errors. I just spent 2 hours debugging a subclass that tested empty() on a private member variable of its superclass (the scope of the superclass's member variable SHOULD have been protected, but empty() returned no errors ...
What does $NON-NLS-1$ mean?
... compiler has the ability to flag non-externalized strings as a warning or error, in order to facilitate enablement of National Language Support (NLS). EMF-generated code does not use hard coded strings for messages that the user will see; however, string literals do appear frequently, for example, ...
How to Parse Command Line Arguments in C++? [duplicate]
...P::ArgException &e) // catch any exceptions
{ std::cerr << "error: " << e.error() << " for arg " << e.argId() << std::endl; }
}
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Pass all variables from one shell script to another?
...swered Mar 19 '12 at 14:34
FatalErrorFatalError
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What is href=“#” and why is it used?
...ick="some_function();"> or another inevitably ends up with a javascript error, and an anchor with an onclick javascript error always ends up following its href. Normally this ends up being an annoying jump to the top of the page, but in the case of sites using <base>, <a href="#"> is...
Float vs Decimal in ActiveRecord
...an insufficient format for latitude and longitude. Yo will eventually have errors in the least significant digits.
– Lonny Eachus
Jun 24 '16 at 20:03
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Does SQLAlchemy have an equivalent of Django's get_or_create?
... Look at Django's implementation of get_or_create. It checks for integrity error, and relies upon proper use of unique constraints.
– Ivan Virabyan
May 21 '12 at 6:17
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