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Compare object instances for equality by their attributes
... -1. Even if this is two dictionary instance, Python will compare them by keys / values automatically. This is not Java...
– e-satis
Aug 4 '09 at 16:32
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window.onload vs
...event called DOMContentLoaded which fires earlier, but it is not supported by IE (at the time of writing this answer). I'd recommend using a javascript library which supports a cross browser DOMContentLoaded feature, or finding a well written function you can use. jQuery's $(document).ready(), is ...
In SQL, what's the difference between count(column) and count(*)?
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@tsilb: The answer posted by @Alan states "count(*) is computed by looking at the indexes on the table in question rather than the actual data rows" which, if true, invalidates your comment. I appreciate that @Alan may be wrong but I'm interested in t...
How to negate specific word in regex? [duplicate]
...onstruct is the pair of parentheses, with the opening parenthesis followed by a question mark and an exclamation point. Inside the lookahead [is any regex pattern].
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What is Hindley-Milner?
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Hindley-Milner is a type system discovered independently by Roger Hindley (who was looking at logic) and later by Robin Milner (who was looking at programming languages). The advantages of Hindley-Milner are
It supports polymorphic functions; for example, a function that can giv...
Simple Digit Recognition OCR in OpenCV-Python
...oes following things:
It loads the image.
Selects the digits ( obviously by contour finding and applying constraints on area and height of letters to avoid false detections).
Draws the bounding rectangle around one letter and wait for key press manually. This time we press the digit key ourselves ...
Explain “claims-based authentication” to a 5-year-old
...enance of user authorizations and user sign-in out of a (web) application, by turning authentication/authorization into a separate (web) service.
So for example, when I browse to a claims-enabled web application for the first time, it will redirect my browser to a 'logon service' which it trusts. ...
What is size_t in C?
I am getting confused with size_t in C. I know that it is returned by the sizeof operator. But what exactly is it? Is it a data type?
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Xcode stuck at “Your application is being uploaded”
...veloper.apple.com/membercenter).
Revoke current certificate which is used by your App for signing.
Remove current "iOS distribution provision profile" from Developer
portal.
Regenerate the iOS distribution certificate and add them in developer portal.
Regenerate "iOS distribution provision profi...
What is the difference between JavaScript and ECMAScript?
... answer says very little and basically points you to Wikipedia. The answer by Yang Li is much more detailed and useful. Also, whether one is the language/standard and other the dialect, or implementation etc is open to opinion, and not fact, from what I understand. Whereas this answer makes it appea...