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How to get the name of enumeration value in Swift?
... on each case to return a string literal. In addition, this works automatically for any enum, even if no raw-value type is specified.
debugPrint(_:) & String(reflecting:) can be used for a fully-qualified name:
debugPrint(city)
// prints "App.City.Melbourne" (or similar, depending on the full ...
What are the file limits in Git (number and size)?
...git gc to generate one packfile at a time.
huge packfiles, with a packfile index inefficient to retrieve data from the (huge) packfile.
A more recent thread (Feb. 2015) illustrates the limiting factors for a Git repo:
Will a few simultaneous clones from the central server also slow down...
How to Select Every Row Where Column Value is NOT Distinct
I need to run a select statement that returns all rows where the value of a column is not distinct (e.g. EmailAddress).
7 A...
What is the difference between Python's list methods append and extend?
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Actually there's a big difference - x + [4, 5] gives you a new list assigned to x - x.extend() mutates the original list. I elaborate in my answer here below.
– Aaron Hall♦
Jul 17 '17 at 1...
How to add item to the beginning of List?
...ert Method (Int32, T): Inserts an element into the List at the specified index.
var names = new List<string> { "John", "Anna", "Monica" };
names.Insert(0, "Micheal"); // Insert to the first element
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Mapping composite keys using EF code first
...ied. If EF requires the order for the composite PK it has to be related to indexing.
– Sylvain Gantois
Mar 23 '19 at 0:28
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Get Android Phone Model programmatically
...uld like to know if there is a way for reading the Phone Model programmatically in Android.
16 Answers
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Writing your own STL Container
...or_tag,std::random_access_iterator_tag. Also note that the below is technically more strict than required, but this is the idea. Note that the vast majority of the "standard" functions are technically optional, due to the awesomeness that is iterators.
template <class T, class A = std::allocator...
Does SQLAlchemy have an equivalent of Django's get_or_create?
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That's basically the way to do it, there is no shortcut readily available AFAIK.
You could generalize it ofcourse:
def get_or_create(session, model, defaults=None, **kwargs):
instance = session.query(model).filter_by(**kwargs).firs...
Combine two ActiveRecord::Relation objects
...lation.or(last_name_relation)
† Only in ActiveRecord 5+; for 4.2 install the where-or backport.
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