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How to tell if rails is in production?
...r pages on any environment if the request is considered "local" (that is from localhost or 127.0.0.1), you can override this by adding this to your ApplicationController
def local_request?
false
end
You can find this method in the docs in the api
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Is there a reason that Swift array assignment is inconsistent (neither a reference nor a deep copy)?
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From the official documentation of the Swift language:
Note that the array is not copied when you set a new value with subscript syntax, because setting a single value with subscript syntax does not have the potential to ...
Postgresql: Conditionally unique constraint
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This note was removed from the docs in august 2015
– Raniz
Dec 18 '19 at 13:34
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Elegant ways to support equivalence (“equality”) in Python classes
...ds of classes:
classic-style (or old-style) classes, that do not inherit from object and that are declared as class A:, class A(): or class A(B): where B is a classic-style class;
new-style classes, that do inherit from object and that are declared as class A(object) or class A(B): where B is a ne...
Regex for string contains?
... isn't very generalizable-- imagine if the word you had to search for came from a user. You would have to generate the [Aa] pattern for every letter and it would get pretty ugly pretty fast.
– Platinum Azure
Dec 16 '14 at 19:19
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Neither BindingResult nor plain target object for bean name available as request attribute [duplicat
... can map with the new ModelObject create. If yes Spring will inject values from request parameters to your custom model object class (Login in this case).
You can test this by doing
@RequestMapping(value = "/login", method = RequestMethod.GET)
public String displayLogin(Login loginModel, Model m...
How to make git ignore changes in case?
...f .git/config
e.g. add ignorecase = true
To change it for just one repo, from that folder run:
git config core.ignorecase true
To change it globally:
git config --global core.ignorecase true
share
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Having options in argparse with a dash
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For optional argument actions, the value of dest is normally inferred from the option strings. ArgumentParser generates the value of dest by taking the first long option string and stripping away the initial -- string. Any internal - characters will be converted to _ characters to make sure the...
ManyRelatedManager object is not iterable
...h lists answers". Without the parenthesis you're asking for all the values from the store's answers that are also in the all function, which is meaningless. The all function is not an iterable (it's a function that returns an iterable)
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MongoDB and “joins” [duplicate]
....mongodb.org/master/reference/operator/aggregation/lookup/#pipe._S_lookup
From the docs:
{
$lookup:
{
from: <collection to join>,
localField: <field from the input documents>,
foreignField: <field from the documents of the "from" collection>,
a...