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Difference between a theta join, equijoin and natural join
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A theta join allows for arbitrary comparison relationships (such as ≥).
An equijoin is a theta join using the equality operator.
A natural join is an equijoin on attributes that have the same name in each relationship.
Additionally,...
Grid of responsive squares
...creating a layout with responsive squares . Each square would have vertically and horizontally aligned content. The specific example is displayed below...
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How to show all shared libraries used by executables in Linux?
...to know which libraries are used by executables on my system. More specifically, I'd like to rank which libraries are used the most, along with the binaries that use them. How can I do this?
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__init__ for unittest.TestCase
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+1 I'd initialise the base class before calling any object method though.
– Joachim Isaksson
Jun 27 '13 at 21:25
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The request was aborted: Could not create SSL/TLS secure channel
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I finally found the answer (I haven't noted my source but it was from a search);
While the code works in Windows XP, in Windows 7, you must add this at the beginning:
// using System.Net;
ServicePointManager.Expect100Continue =...
how to draw smooth curve through N points using javascript HTML5 canvas?
...he resulting line is not smooth. How can I produce a single curve between all the gathered points?
11 Answers
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What integer hash function are good that accepts an integer hash key?
...mple) and has no common factors with it. This way the hash function covers all your hash space uniformly.
Edit: The biggest disadvantage of this hash function is that it preserves divisibility, so if your integers are all divisible by 2 or by 4 (which is not uncommon), their hashes will be too. Thi...
What is the difference between quiet NaN and signaling NaN?
...unit (FPU) or library if floating-point is implemented in software. A signalling NaN will produce a signal, usually in the form of exception from the FPU. Whether the exception is thrown depends on the state of the FPU.
C++11 adds a few language controls over the floating-point environment and pr...
Instance attribute attribute_name defined outside __init__
I split up my class constructor by letting it call multiple functions, like this:
6 Answers
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How to use a keypress event in AngularJS?
...n</a>
More about keyCode:
keyCode is deprecated but well supported API, you could use $evevt.key in supported browser instead.
See more in https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/key
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