generic | Generic programming library for Python | Reactive Programming library
kandi X-RAY | generic Summary
kandi X-RAY | generic Summary
Generic is a library for Generic programming, also known as Multiple dispatch.
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Top functions reviewed by kandi - BETA
- Class decorator
- Check that the given rule matches the given rule
- Decorator to register a new rule
- Process unbound rules
- Register a new rule
- Register a new node
- Align args and kw
- Decorator to declare an unbound rule
- Register an unbound rule
- Decorator to register a rule
generic Key Features
generic Examples and Code Snippets
Lines of Code : 6License : Strong Copyleft (CC BY-SA 4.0)
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class Style(QtWidgets.QProxyStyle):
def drawComplexControl(self, control, opt, qp, widget=None):
if control == self.CC_Slider:
# get the default rectangle of the groove
groove = self.subControlRect(
# substitution dictionary. Note that the keys are symbols/functions
d = {r:1, theta:3.14 * t}
vB.subs(d).doit()
# -3.14*sin(3.14*t)
link = soup.select_one('li a[href]')['href']
text = soup.select_one('li a[href]').text
print(link, text)
html = '''
string = "\u00f0\u009f\u0098\u0086".encode("latin-1").decode("utf-8")
# '😆'
df['type_id'] = df['type'].str['id']
df['type_name'] = df['type'].str['name']
for c in df['type'].explode().unique():
df[f'type_{c}'] = df['type'].str[c]
for col in ['type', 'possessionitem4 = row.find_all("td")[1].a.get('href').split('a=')[-1]
for row in soupblockdetails.select("tr:has(td)")[:3]: #max value is 50
item1 = row.find_all("td")[0].text[0:].strip()
item2 = row.find_all("td")[def api_call(token, *args, **kwargs):
... # some logic here
def authorize_on_expire(func):
def wrapper(token, *args, **kwargs):
try:
result = func(token, *args, **kwargs)
except from typing import Generic, TypeVar
class A1:
x: int = 1
class A2(A1):
y: int = -1
T = TypeVar("T", bound=A1)
T2 = TypeVar("T2", bound=A2)
class B1(Generic[T]):
def __init__(self, a: T):
self.a: T = a
class B2Community Discussions
Trending Discussions on generic
QUESTION
I was following along with this tutorial on creating a concurrent counter struct for a usize value: ConcurrentCounter. As I understand it, this wrapper struct allows us to mutate our usize value, with more concise syntax, for example:my_counter.increment(1) vs. my_counter.lock().unwrap().increment(1).
Now in this tutorial our value is of type usize, but what if we wanted to use a f32, i32, or u32 value instead?
I thought that I could do this with generic type arguments:
...ANSWER
Answered 2021-Jun-15 at 23:55I haven't come across such a ConcurrentCounter library, but crates.io is huge, maybe you find something. However, if you are mostly concerned with primitives such as i32, there is a better alternative call: Atomics, definitely worth checking out.
Nevertheless, your approach of generalizing the ConcurrentCounter is going in a good direction. In the context of operation overloading, std::ops is worth a look. Specifically, you need Add, Sub, and Mul, respectively. Also, you need a Copy bound (alternatively, a Clone would also do). So you were pretty close:
QUESTION
Is it possible to two reduce objects into one by summing their properties like so for any generic object
...ANSWER
Answered 2021-Jun-04 at 20:04A functional approach would be (but probably not clean)
QUESTION
I'm having trouble understanding why TypeScript is inferring a certain type for an array element when the type is a union type and the types 'overlap'. I've reduced it to this minimum repro:
...ANSWER
Answered 2021-Jun-15 at 19:42See microsoft/TypeScript#43667 for a canonical answer. This is a design limitation of TypeScript.
As you might be aware: in TypeScript's structural type system, Child is a subtype of Base even though it is not explicitly declared as such. So every value of type Child is also a value of type Base (although not vice-versa). That means Child | Base is equivalent to Base... although the compiler is not always aggressive about reducing the former to the latter. (Compare this to the behavior with something like "foo" | string, which is always immediately reduced to string by the compiler.)
Subtype reduction is often desirable, but there are some places where Child | Base's behavior is observably different from Base's, such as excess property checks, IntelliSense hinting, or the sort of unsound type guarding that happens with the in operator. You haven't shown why it matters to you that you are getting a Base as opposed to a Child | Base, but presumably it's one of these observable differences or something like it.
My advice here is first to think carefully about whether or not you really need this distinction. If so, then you might consider preventing Base from being a subtype of Child, possibly by adding an optional property to it:
QUESTION
I'm creating a generic repository as follows:
...ANSWER
Answered 2021-Jun-15 at 15:37Three things come immediate to mind.
The first is nothing to do with your question but CouponRepository should not have its own member for _couponApiDBContext it has access to the base class TContext - that's the whole point of having it generic in the first place.
The second is that you are specializing IRepository with RedeemCoupon method in ICouponRepository - so you have zero chance of registering an open generic type and just expecting DI to know what actual interface you're after.
You're left with removing this AddTransient(typeof(IRepository<>), typeof(Repository<,>)) - it's pointless as DI cannot instantiate an abstract class anyway, and that is the root cause of your error message and you should register AddTransient() and request ICouponRepository where you need it - you cant ask for IRepository as that will not have your RedeemCoupon method which I assume you need.
QUESTION
I'm trying to implement a new web API. This API returns a JSON from HTTP-request. So far I wrote very basic code, but the strange thing is that I get an error using XML template - and I have no idea what to do: This is the call: http://localhost:55643/api/ShipmentsStatus/getShipmentsStatusJSON
The code is here:
...ANSWER
Answered 2021-Jun-15 at 14:39You should use http://localhost:55643/api/ShipmentsStatus/getShipmentsStatusJSON or change [Route("getShipmentsStatusJSON")] to the appropriate API method name
QUESTION
I need a trait that allows me to construct a object that borrows an object that borrows something. In the following example that is PaperBin. https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=78fb3f88b71bc226614912001ceca65b
...ANSWER
Answered 2021-Jun-15 at 13:38Your immediate issue is that T: GarbageBin<'a, 'b> where 'a and 'b are parameters of create_bin_with_rubbish and must therefore outlive calls to that function—but the actual lifetimes passed to T::new are only internal to the function and do not therefore satisfy those bounds.
Instead of parameterising create_bin_with_rubbish with lifetimes 'a and 'b, one way to resolve this would be to use instead an HRTB (higher-ranked trait bound):
QUESTION
Whenever I tried to run my application it will not execute and show this error.
Error:
I have tried to search it but I did not get any useful information about it and most of all I did make changes to Web.config but still cannot find the web.config in my application. Any help which could solve this problem will be appreciated.
Image of Solution Explorer where I cannot find web.config file:
Employee Controller:
ANSWER
Answered 2021-Jun-15 at 13:20you should run your Web API from this address http://localhost:18084/Employee
QUESTION
I'm trying to create a few generic recursive types to modify structure of existing types. I can't tell why the sections inferring arrays and nested objects is not getting triggered. Any idea what I'm doing wrong?
TS playround link with the below code:
...ANSWER
Answered 2021-Jun-15 at 00:56Assuming what I mentioned in my comment on your question, the fix is just to simplify your FieldWithConfidence type significantly. Right now it is trying to add a number of additional levels of structure beyond what you seem to want. Here is a version of that type that works as I think you intend:
QUESTION
I am trying to declare a list of strings and added DateTime to it. However I get the error cannot convert from 'System.Collections.Generic.List' to 'string' when I do something like this as given below:
ANSWER
Answered 2021-Jun-15 at 12:03AllTime_ is a List so each element is one single string not again a List so Add has a single string as parameter - you are trying to give it an entire list.
Only problem is the List is redefined and the size of the list changes
This doesn't sound quite right either ;) What happens is you overwrite the list. The size should be the same since you Select the same amount of items. What you rather want though is combining both results into one single list.
You are probably looking for AddRange
QUESTION
I have a table with posts that can have multiple categories, and a table with categories that can have multiple posts. models.py:
...ANSWER
Answered 2021-Jun-15 at 11:16This might help you:
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Install generic
You can use generic like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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