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How is __eq__ handled in Python and in what order?
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The a == b expression invokes A.__eq__, since it exists. Its code includes self.value == other. Since int's don't know how to compare themselves to B's, Python tries invoking B.__eq__ to see if it knows how to compare itself to an int....
Differences between Perl and PHP [closed]
.... Some differences, grouped roughly by subject:
Perl has native regular expression support, including regexp literals. PHP uses Perl's regexp functions as an extension.
Perl has quite a few more operators, including matching (=~, !~), quote-like (qw, qx &c.), exponentiation (**), string repeti...
File name? Path name? Base name? Naming standard for pieces of a path
...ndard" naming convention will be in vain. Here are my proposals, based on existing, well-known programs:
A) C:\users\OddThinking\Documents\My Source\Widget\foo.src
Vim calls it file root (:help filename-modifiers)
B) C:\users\OddThinking\Documents\My Source\Widget\foo.src
file name or bas...
If Python is interpreted, what are .pyc files?
... is what the Python interpreter compiles the source to. This code is then executed by Python's virtual machine.
Python's documentation explains the definition like this:
Python is an interpreted language, as
opposed to a compiled one, though the
distinction can be blurry because of
the p...
Remove sensitive files and their commits from Git history
...hers you have a problem. If anyone has cloned that repository before you fix this, they'll have a copy of your passwords on their local machine, and there's no way you can force them to update to your "fixed" version with it gone from history. The only safe thing you can do is change your password t...
.NET Global exception handler in console application
Question: I want to define a global exception handler for unhandled exceptions in my console application. In asp.net, one can define one in global.asax, and in windows applications /services, one can define as below
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Is 'switch' faster than 'if'?
...s a run of consecutive numbers.
If the number of branches in a switch is extremely large, a compiler can do things like using binary search on the values of the switch, which (in my mind) would be a much more useful optimization, as it does significantly increase performance in some scenarios, is a...
Rebasing and what does one mean by rebasing pushed commits
...
The ProGit book has a good explanation.
The specific answer to your question can be found in the section titled "The Perils of Rebasing". A quote from that section:
When you rebase stuff, you’re
abandoning existing commits and
creating new o...
How do arrays in C# partially implement IList?
... perspective, the interface is implemented with some of the members being explicitly implemented (such as Count). That's the best explanation at the language level for what's going on.
Note that this only holds for single-dimensional arrays (and zero-based arrays, not that C# as a language says any...
Difference between DateTime and Time in Ruby
...or consistency is probably best, so try and mesh with what your libraries expect. For example, ActiveRecord prefers DateTime.
In versions prior to Ruby 1.9 and on many systems Time is represented as a 32-bit signed value describing the number of seconds since January 1, 1970 UTC, a thin wrapper aro...