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Why / when would it be appropriate to override ToString?
... a string representation, ToString is a prime candidate (there are others, if you want to provide more elaborate formatting options).
Concretely,
Console.WriteLine(yourObject);
would invoke yourObject.ToString().
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Is it possible for a computer to “learn” a regular expression by user-provided examples?
...Behold! :-)
Finding a meaningful regex/solution from examples is possible if and only if the provided examples describe the problem well.
Consider these examples that describe an extraction task, we are looking for particular item codes; the examples are text/extraction pairs:
"The product code is...
Case-INsensitive Dictionary with string key-type in C#
If I have a Dictionary<String,...> is it possible to make methods like ContainsKey case-insensitive?
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What is the advantage of using async with MVC5?
What is the difference between:
3 Answers
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What's the difference between VARCHAR and CHAR?
What's the difference between VARCHAR and CHAR in MySQL?
14 Answers
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socket.error: [Errno 48] Address already in use
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You already have a process bound to the default port (8000). If you already ran the same module before, it is most likely that process still bound to the port. Try and locate the other process first:
$ ps -fA | grep python
501 81651 12648 0 9:53PM ttys000 0:00.16 python -m Sim...
How to include package data with setuptools/distribute?
...t to someone else to built the binary distribution.
In any case, using MANIFEST.in will work both for binary and for source distributions.
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Stop pip from failing on single package when installing with requirements.txt
...out the -a flag, consider < requirements.txt xargs -n 1 pip install, or if you don't like the redirect at the front, xargs -n 1 pip install < requirements.txt. :-)
– torek
Jul 6 at 17:21
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When should a class be Comparable and/or Comparator?
...s instances.
Comparator
A comparator object is capable of comparing two different objects. The class is not comparing its instances, but some other class’s instances. This comparator class must implement the java.util.Comparator interface.
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Is JavaScript an untyped language?
...typed" to mean "no static types"...
So the problem is that there's a few different definitions of untyped.
One definition has been talked about in one of the above answers - the runtime doesn't tag values and just treats each value as bits. JavaScript does tag values and has different behaviour bas...