Ulid | Fast .NET C # Implementation of ULID for .NET Core and Unity | Game Engine library
kandi X-RAY | Ulid Summary
kandi X-RAY | Ulid Summary
fast c# implementation of [ulid] for .net core and unity. ulid is sortable, random id generator. this project aims performance by fastest binary serializer([messagepack-csharp] technology. it achives faster generate than guid.newguid. nuget: [ulid] or download .unitypackage from [ulid/releases] page.
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QUESTION
I have a json file called test.json
...ANSWER
Answered 2022-Mar-08 at 14:48You can read the file to a list of dictionaries:
QUESTION
So below I have some code that tests the functionality where someone creates a post and that post has a hash_tag
which is "#video" in this case. The code takes the Post
body
and uses regex to find any word that starts with "#". If it does then it creates or gets that HashTag
from the HashTag
table. Then sets that list of HashTag
to the hash_tags
attribute under Post
.
For some reason the CreatePostSerializer
serializer is throwing an exception that doesn't make sense. The serializer is throwing the exception ValidationError({'hash_tags': [ErrorDetail(string='Invalid pk "[\'video\']" - object does not exist.', code='does_not_exist')]})
. The reason this doesn't make sense is because when I debug and set a breakpoint right after except Exception as e
under views.py
this is what I get
ANSWER
Answered 2021-Dec-21 at 00:44under your test/__init__.py
you have to add these lines
QUESTION
So I have some code below that returns posts that are newer than a post with post_uuid
given. This is ensured because I force an ordered uuid scheme where each Post
is given a uuid in order of creation, this is done with ulid. I want to enforce that that the returned serializer.data
is ordered by Post
creation data, with the newest best first or index=0 and oldest being last. How do I ensure this?
view.py
ANSWER
Answered 2021-Dec-19 at 11:52The serializer.data
is a property, so calling .reverse()
on it, will not work, since you reverse the result of the property, but the next call to serializer.data
will again trigger to property that will construct a new list.
You thus fetch the data, and then reverse that data and pass it as result:
QUESTION
I'm looking at this ULID generator https://wvlet.org/airframe/docs/airframe-ulid but am not quite sure how to convert the ULID to UUID. I've tried the below code expecting the first 48 bits to look alike but the bits appear random
...ANSWER
Answered 2021-Dec-10 at 21:18Untested and not very clean:
QUESTION
I've been working on a project which so far has just involved building some cloud infrastructure, and now I'm trying to add a CLI to simplify running some AWS Lambdas. Unfortunately both the sdist and wheel packages built using poetry build
don't seem to include the dependencies, so I have to manually pip install
all of them to run the command. Basically I
- run
poetry build
in the project, cd "$(mktemp --directory)"
,python -m venv .venv
,. .venv/bin/activate
,pip install /path/to/result/of/poetry/build/above
, and then- run the new .venv/bin/ executable.
At this point the executable fails, because pip
did not install any of the package dependencies. If I pip show PACKAGE
the Requires
line is empty.
The Poetry manual doesn't seem to specify how to link dependencies to the built package, so what do I have to do instead?
I am using some optional dependencies, could that be interfering with the build process? To be clear, even non-optional dependencies do not show up in the package dependencies.
pyproject.toml:
...ANSWER
Answered 2021-Nov-04 at 02:15This appears to be a bug in Poetry. Or at least it's not clear from the documentation what the expected behavior would be in a case such as yours.
In your pyproject.toml
, you specify two dependencies as required in this section:
QUESTION
I have this text choices model
models.py
...ANSWER
Answered 2021-Nov-03 at 10:22You can find an answer here: https://stackoverflow.com/a/28954424/1935069
This is slightly dependent on which version of DRF and Django you are using. What I would do is to be explicit and modify the serializer to use a serializers.SerializerMethodField and get the display value for the choices field like so:
QUESTION
I have got a list of li elements as I filter data I exclude the unneeded elements by setting the display to none. I would like to check for the first element that has no style of display set to it how can I do this: Example of element with display none:
...ANSWER
Answered 2021-Oct-05 at 12:27you can use this
QUESTION
Is there a way to bind a variable to Axum request?
In particular, I'm trying to add request id to each tracing event. I can do it with tower::trace middleware like this:
...ANSWER
Answered 2021-Sep-29 at 07:42I've made it into a little crate following a solution from rustlang forum
QUESTION
i have two table and one pivot table. settlement table is this:
...ANSWER
Answered 2021-Aug-12 at 15:33When you adjust the transaction selection so that it is not necessary to verify whether an entry already exists in the settlements. The principle is to do a "left join" followed by a filter for values that do not have a corresponding entry in the settlements table (->whereNull('s.id')
).
The problem with this solution can be performance, depending on several factors. In any case, this should not be a problem if the indexes are used correctly.
QUESTION
Take the following Entity Framework Core entity class:
...ANSWER
Answered 2021-May-22 at 15:47After a significant amount of further experimentation, I discovered that the error message in my original question was ultimately a red herring and that using the UlidToBytesConverter
inheriting from ValueConverter
was all that was required!
The problem appears to have been caused by the fact that using a custom type as primary and foreign keys breaks EF Core's convention-based mapping of foreign key properties (e.g. automatically mapping CompanyId
to the Company
navigation property). I can't find any documentation describing this behavior.
Accordingly, EF Core was trying to create a new property CompanyId1
and for some reason the value converter was not being applied.
The solution was to add the ForeignKey
attribute as to the CompanyId
property as follows:
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