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Temporarily disable auto_now / auto_now_add
...tion. I needed to "force" an expired timestamp. In my case I did the trick by using a queryset update. Like this:
# my model
class FooBar(models.Model):
title = models.CharField(max_length=255)
updated_at = models.DateTimeField(auto_now=True, auto_now_add=True)
# my tests
foo = FooBar.ob...
How to set environment variables from within package.json
...t variable in a natively cross platform fashion, but the key is it is used by npm in an ad hoc and one-time fashion, just for the npm script execution. (It's not set or exported for future reference.) As long as you're running your command from the npm script, there's no issue. Also, the "&&a...
lenses, fclabels, data-accessor - which library for structure access and mutation is better
...at a lens can provide a state monad homomorphism between two state monads, by definining lenses directly as such monad homomorphisms.
If it actually bothered to provide a type for its lenses, they would have a rank-2 type like:
newtype Lens s t = Lens (forall a. State t a -> State s a)
As a r...
Is there a concurrent List in Java's JDK?
How can I create a concurrent List instance, where I can access elements by index? Does the JDK have any classes or factory methods I can use?
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Require either of two arguments using argparse
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HEy @ijoseph, this answer is prett old by now. I'm not sure what the answer was any more. It probably has been removed by now. Sorry for that!
– jlengrand
Apr 13 '18 at 9:13
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How to define multiple name tags in a struct
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It says in the documentation of the reflect package:
By convention, tag strings are a concatenation of optionally space-separated key:"value" pairs. Each key is a non-empty string consisting of non-control characters other than space (U+0020 ' '), quote (U+0022 '"'), and colon ...
What is a smart pointer and when should I use one?
...o describes what was 'good' at the time, which was smart pointers provided by the Boost library. Since C++11, the standard library has provided sufficient smart pointers types, and so you should favour the use of std::unique_ptr, std::shared_ptr and std::weak_ptr.
There was also std::auto_ptr. It ...
How to order results with findBy() in Doctrine
I am using the findBy() method on a Doctrine repository:
3 Answers
3
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How do I hide .class files from the Open Resource dialog in Eclipse?
... '.class' files, they probably aren't being marked as derived. If they're by themselves in their own folder hierarchy you can fix this by right-clicking the root folder to edit folder properties, and check the 'Derived' checkbox. If they're mixed with your '.java' files...tough luck, you'll need t...
The order of elements in Dictionary
... OrderedDictionary is in most cases wrong. It is neither Ordered by key or value, but by an internal Index. SortedDictionary is the one which is ordered in a way the user can manipulate (default key)
– Offler
May 29 '15 at 9:01
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