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How to have stored properties in Swift, the same way I had on Objective-C?
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Why is there no multiple inheritance in Java, but implementing multiple interfaces is allowed?
...ss, you have to override this method in the class itself, see: docs.oracle.com/javase/tutorial/java/IandI/…
– bobbel
May 14 '14 at 12:29
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How can I check for “undefined” in JavaScript? [duplicate]
...guaranteed to return a string:
if (typeof myVar !== 'undefined')
Direct comparisons against undefined are troublesome as undefined can be overwritten.
window.undefined = "foo";
"foo" == undefined // true
As @CMS pointed out, this has been patched in ECMAScript 5th ed., and undefined is non-wr...
What is the standard Python docstring format? [closed]
...rmation about the main formats in this blog post.
Note that the reST is recommended by the PEP 287
There follows the main used formats for docstrings.
- Epytext
Historically a javadoc like style was prevalent, so it was taken as a base for Epydoc (with the called Epytext format) to generate docu...
What exactly do “u” and “r” string flags do, and what are raw string literals?
...ich a backslash, \, is taken as meaning "just a backslash" (except when it comes right before a quote that would otherwise terminate the literal) -- no "escape sequences" to represent newlines, tabs, backspaces, form-feeds, and so on. In normal string literals, each backslash must be doubled up to ...
Is the practice of returning a C++ reference variable evil?
...rn 0;
}
If the lifetime should be left up to the caller, and you're just computing the value.
Summary: it's okay to return a reference if the lifetime of the object won't end after the call.
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How to avoid having class data shared among instances?
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Convert Rows to columns using 'Pivot' in SQL Server
...sing a hard-cded version initially." Unlike the Qlikview Generic function (community.qlik.com/blogs/qlikviewdesignblog/2014/03/31/generic) which allows doesn't require that you explicitly name the different "FOR ____ IN (...)"
– The Red Pea
Aug 13 '15 at 22:03
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What is the role of the bias in neural networks? [closed]
...-input, 1-output network that has no bias:
The output of the network is computed by multiplying the input (x) by the weight (w0) and passing the result through some kind of activation function (e.g. a sigmoid function.)
Here is the function that this network computes, for various values of w0:
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Difference between wait() and sleep()
... is any other thread which 'waits' on this object. wait/notify is used for communication, while sleep is used for, ehm, sleeping.
– Peter Štibraný
Jun 24 '09 at 7:01
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