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What is a clean, pythonic way to have multiple constructors in Python?
...w__.
This could be used if the type of initialization cannot be selected based on the type of the constructor argument, and the constructors do not share code.
Example:
class MyClass(set):
def __init__(self, filename):
self._value = load_from_file(filename)
@classmethod
de...
Size of font in CSS with slash
...
To quote the official documentation:
The syntax of this property is based on a traditional typographical shorthand notation to set multiple properties related to fonts.
As David M said in the comments, it mirrors the typesetting tradition of specifying typeface sizes as “x pt on y pt...
Are nullable types reference types?
... that can be assigned the value of null. You cannot create a nullable type based on a reference type. (Reference types already support the null value.)
So, no they're not reference types.
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How to calculate a Mod b in Casio fx-991ES calculator
...us, mod is -17 which is +9 in mod 26. Alternatively you can add the modulo base to the computation for negative numbers: -121 / 26 + 26 = 21 9/26 (mod is 9).
EDIT2: As @simpatico pointed out, this method will not work for numbers that are out of calculator's precision. If you want to compute say 20...
What does the Java assert keyword do, and when should it be used?
...s to prove that you at least find every bug when it happens.
This idea is based on the Design-by-Contract (DbC) paradigm: you first define (with mathematical precision) what your method is supposed to do, and then verify this by testing it during actual execution. Example:
// Calculates the sum of...
C# generic “where constraint” with “any generic type” definition?
...her> where TCar : IGenericCar<TOther> { ... }
Option2: Define a base interface for IGenericCar<T> which is not generic and constrain against that interface
interface IGenericCar { ... }
interface IGenericCar<T> : IGenericCar { ... }
interface IGarrage<TCar> where TCar :...
How to set breakpoints in inline Javascript in Google Chrome?
... on that but it works in Firefox. I am looking for breakpoint solution not based on debugger keyword which is inconvenient to put in lot of places in code and then having to delete.
– ace
Mar 1 '11 at 15:53
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Boolean method naming readability
...ificing clarity whilst chasing readability.
Although if (user.ExistsInDatabase(db)) reads nicer than if (user.CheckExistsInDatabase(db)), consider the case of a class with a builder pattern, (or any class which you can set state on):
user.WithName("Mike").ExistsInDatabase(db).ExistsInDatabase(db2...
Visual Studio - Resx File default 'internal' to 'public'
... is not possible. You will get an error CS0060 Inconsistent accessibility: base class 'Strings' is less accessible than class 'PublicStrings'
– David Gardiner
May 25 '15 at 1:42
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How do I turn on SQL debug logging for ActiveRecord in RSpec tests?
...somewhere. If you're using rspec, maybe in the spec helper?
ActiveRecord::Base.logger = Logger.new(STDOUT)
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