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List attributes of an object
... class new_class():
... def __init__(self, number):
... self.multi = int(number) * 2
... self.str = str(number)
...
>>> a = new_class(2)
>>> a.__dict__
{'multi': 4, 'str': '2'}
>>> a.__dict__.keys()
dict_keys(['multi', 'str'])
You may also find pprint helpful....
When should I write the keyword 'inline' for a function/method?
...most exclusively by the linker, not the compiler.
It is said that inline hints to the compiler that you think the function should be inlined. That may have been true in 1998, but a decade later the compiler needs no such hints. Not to mention humans are usually wrong when it comes to optimizing c...
Creating and playing a sound in swift
... Did you try to compile the code? I am getting error "Cannot convert the extression's type 'Unmanaged <CFURL>!' to type 'CFString'" from this line "let soundURL = CFBundleCopyResourceURL(CFBundleGetMainBundle(), "Cha-Ching", "aiff", nil)"
– bpolat
...
How do I write a custom init for a UIView subclass in Swift?
Say I want to init a UIView subclass with a String and an Int .
5 Answers
5
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Understanding what 'type' keyword does in Scala
...e alias FunctorType is just a shorthand for
(LocalDate, HolidayCalendar, Int, Boolean) => LocalDate
Type aliases are often used to keep the rest of the code simple: you can now write
def doSomeThing(f: FunctorType)
which will be interpreted by the compiler as
def doSomeThing(f: (LocalDate,...
Overriding id on create in ActiveRecord
...; 8888
I'm not sure what the original motivation was, but I do this when converting ActiveHash models to ActiveRecord. ActiveHash allows you to use the same belongs_to semantics in ActiveRecord, but instead of having a migration and creating a table, and incurring the overhead of the database on ...
How to split a large text file into smaller files with equal number of lines?
...ory, be sure to follow LeberMac's advice earlier in the thread about first converting CR (Mac) line endings to LR (Linux) line endings using TextWrangler or BBEdit. I had the exact same problem as you until I found that piece of advice.
– sstringer
Aug 25 '13 a...
How to serialize a TimeSpan to XML
...pan is serializable, the XmlCustomFormatter does not provide methods to convert TimeSpan objects to and from XML.
12 A...
How to save a dictionary to a file?
...n ndarray (doing a type(read_dictionary) reveals so) and .item() basically converts that element to a python scalar object which is a dictionary as stated here
– abhyudayasrinet
Sep 7 '18 at 0:42
...
Get person's age in Ruby
... # or (1.year / 1.day)
You will get a fractional result, so feel free to convert the result to an integer with to_i. This is a better solution because it correctly treats the date difference as a time period measured in days (or seconds in the case of the related Time class) since the event. The...