cproperty | method decorator for caching properties support global cache | Caching library
kandi X-RAY | cproperty Summary
kandi X-RAY | cproperty Summary
A class/method decorator for caching properties support global cache, (time, hits) control.
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Top functions reviewed by kandi - BETA
- Update the storage for the given variable .
- Sets the value of the variable .
- Create an instance of this class .
- Returns a copy of the variable
- A decorator that wraps the wrapped function .
- Decorator to check if the instance is initialized .
cproperty Key Features
cproperty Examples and Code Snippets
Lines of Code : 43License : Permissive (MIT)
Copy# old-style class example
class Worker:
def __init__(self, name):
self.name = name
def call_server(self)
print('calling the server')
time.sleep(5) # example of heavy operation
return self.name
@property # import time
from cproperty import classdecorator
# or @classdecorator(methods=['is_cool', 'say_hello1'], hits=5, timeout=10, ...)
@classdecorator(methods=['is_cool', 'say_hello1'])
class Worker:
def __init__(self, name):
self.name = name import time
from cproperty import cproperty
# new-style class example
class Worker:
def __init__(self, name):
self.name = name
def call_server(self)
print('calling the server')
time.sleep(5) # example of heavy operat Community Discussions
Trending Discussions on cproperty
QUESTION
I have the following situation. I have simplified the problem into the following example, although my real situation is more complicated.
System.Text.Json does not serialise the object fully but Newtonsoft Json.NET does.
Suppose I have the following class structure.
...ANSWER
Answered 2020-May-27 at 00:40This is a documented limitation of System.Text.Json. From the docs:
Serialize properties of derived classes
Serialization of a polymorphic type hierarchy is not supported. For example, if a property is defined as an interface or an abstract class, only the properties defined on the interface or abstract class are serialized, even if the runtime type has additional properties. The exceptions to this behavior are explained in this section....
To serialize the properties of the derived type in the preceding example, use one of the following approaches:
Call an overload of Serialize that lets you specify the type at runtime...
Declare the object to be serialized as
object.
In your case A.TObject is declared to be of type B but is actually of type B in the instance you construct, so only the properties of the base class B are getting serialized as per the documentation. So that's that. For further discussion see the closed issue System.Text.Json.JsonSerializer doesn't serialize properties from derived classes #31742.
There are several workarounds available, however. Firstly, you could construct obj as its most possibly derived type A>:
QUESTION
When I call a transaction named IntentForSale I get the 'Error: Invalid or missing identifier for Type PropertyListing in namespace org.example.property'
I have tried to change let propertyListing = factory.newResource(propertynamespace, 'Property', tx.PID); to let propertyListing = factory.newResource(propertynamespace, 'PropertyListing', tx.PID); and checked my model.cto.
Model.cto
...ANSWER
Answered 2019-Jul-24 at 21:43Look, in IntentForSale transcation model you don't have atributte PLID and you are passing this trough in transaction logic. I think that what you want to do create a new resource, you need to give some id to it. So is something like:
QUESTION
I am trying to check the condition using if condition before updating the asset. But I am not able to do the same. I need to check if property exists and also the account balance of the user is more than market price of the property.
I have tried using all type of options in my knowledge.But I am new in this so not able to rectify the problem. If I only try to check if the property exists then it works fine. But when I try to check the balance condition it gives problem.
Model.cto
...ANSWER
Answered 2019-Jul-29 at 20:24It looks like the problem was with the exists function. As wrong parameters were getting passed.
Script.js
QUESTION
Let's say I have three classes:
...ANSWER
Answered 2019-Apr-04 at 15:23You can use the select extension method:
QUESTION
I have an object like in below stackblitz and I want to check if key is Date or not. And then I'm adding 3 days to that date. I'm doing for this for not recursive object perfectly. But, when object is recursive, I couldn't do this. How can I achieve this? Performance is important for me because in my real life scenario my objects are very big and complex.
...ANSWER
Answered 2019-Mar-12 at 14:49You can call convert recursively when you find that one of the properties is an object:
QUESTION
I need a recursive function in javascript, which can return me all fieldname (Key Name) of my json document store in MarkLogic. JSON document is very dynamic and have multiple hierarchical elements. So need a function which can traverse through JSON and fetch all fieldname (Keys Name).
One option I thought was to get entire document into MaP object and run Map function to get all keys. But not sure whether MarkLogic allows to capture entire json doucment into Map and one can read fields names.
Thanks in Advance
Got the function to iterate through JSON document to pull Key Name
Sample JSON
...ANSWER
Answered 2018-Feb-13 at 10:17This handy page may help: MarkLogic - Native JSON
The following will extract all property names
QUESTION
I do have a model which consists of multiple observable SimpleDoubleProperty, i now have a program which runs a function depending on changes on the observable properties.
I now do have a function calculateThings which gets called on changes:
...ANSWER
Answered 2017-Jul-06 at 14:23You can use the Bindings API for arbitrarily complex computations, for example using a custom binding:
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