indexer | Graph Protocol indexer components and infrastructure
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QUESTION
The class JsonSerializerOptions
has the following property:
ANSWER
Answered 2022-Mar-24 at 23:55What exactly is happening in that last example? I might be having a mental lapse, but I don't think I've encountered such syntax before. Can someone point out where it is documented?
It's the collection initializer syntax. It's documented here. And more directly with regards to read-only props here.
Some classes may have collection properties where the property is read-only...You will not be able to use collection initializer syntax discussed so far since the property cannot be assigned a new list. However, new entries can be added nonetheless using the initialization syntax by omitting the list creation.
This syntax works for 'collection types that implement IEnumerable
and has Add
with the appropriate signature as an instance method or an extension method.'
For deeper reading, take a look at the spec where it says more precisely:
The collection object to which a collection initializer is applied shall be of a type that implements
System.Collections.IEnumerable
or a compile-time error occurs. For each specified element in order, normal member lookup is applied to find a member namedAdd
. If the result of the member lookup is not a method group, a compile-time error occurs. Otherwise, overload resolution is applied with the expression list of the element initializer as the argument list, and the collection initializer invokes the resulting method. Thus, the collection object shall contain an applicable instance or extension method with the nameAdd
for each element initializer.
QUESTION
I execute a very simple Function App to Docker
with this Dockerfile
ANSWER
Answered 2022-Mar-21 at 14:18I found your question as I had the same issue. It may have something to do with this:
https://github.com/Azure/azure-functions-host/issues/8244
Based on the info within the link I changed my dockerfile to use this image for azure functions:
QUESTION
So I'm trying to code something to tell me the number of elements in any given compound. I'm not even sure where to start: I tried coding something but then realized that it only worked for simple compounds (or did not work at all). Here's an example of what I want:
...ANSWER
Answered 2022-Jan-31 at 12:50Try with this recursive function:
QUESTION
I'm trying to create a basic Sign-up and Sign-in system in python using text files. I also want the program to run in one go, meaning I want the user to be able to signup, and then proceed to log in right away, instead of having them go back and run the code again. The code that I have written though, can't do that for some reason. I've added "signin()" at the end of the sign up function to allow the users to proceed to sign in after a successful registration, but doing so throws an error. Instead I have to run the code again for the new signup to be recognized.
Here's the code:
...ANSWER
Answered 2022-Feb-28 at 07:05with open('password.txt', mode='a')as passwords:
...
signin()
QUESTION
I have been trying out an open-sourced personal AI assistant script. The script works fine but I want to create an executable so that I can gift the executable to one of my friends. However, when I try to create the executable using the auto-py-to-exe, it states the below error:
...ANSWER
Answered 2021-Nov-05 at 02:2042681 INFO: PyInstaller: 4.6
42690 INFO: Python: 3.10.0
QUESTION
I updated Pandas to 1.4.0 with yfinance 0.1.70. Previously, I had to stay with Pandas 1.3.5 as Pandas and yfinance did't play well together. These latest versions of Pandas and yfinance now work together, BUT Pandas now gives me this warning:
...ANSWER
Answered 2022-Feb-08 at 00:40Should be pretty simple. Just change get_loc(XXX, ...)
to get_indexer([XXX], ...)[0]
:
QUESTION
I have calculated the mean value of DataFrame by two groups and saved the results to CSV file.
Then, I tried to read it again by read_csv()
, but the .loc()
function doesn't work for the loaded DataFrame.
Here's the code example:
...ANSWER
Answered 2021-Dec-27 at 16:15You should read the index as a MultiIndex
, but you need to convert the strings to interval. You can use to_interval
(all credits to korakot):
QUESTION
This answer provides a solution to get a rolling sum of a column grouped by another column based on a date window. To reproduce it here:
...ANSWER
Answered 2021-Dec-22 at 04:44Based on comments to the question, it appears that OP already found a solution. However, this is an attempt at providing another way to resolve this, which is to solve the root cause of the error - duplicate date values.
To resolve it, we can add aggregation by date within the apply. In the snippet below, the Amount
values are aggregated using sum
, but it is possible that in some contexts another aggregation should be used, e.g. min
or max
. This is the relevant part:
QUESTION
Please take this question lightly as asked from curiosity:
As I was trying to see how the slicing in MultiIndex works, I came across the following situation ↓
...ANSWER
Answered 2021-Dec-21 at 22:53The difference between your 2 dataframes is the following:
QUESTION
Due the issue on log4j (CVE-2021-44228) I migrate some apps to log4j 2.15.0 (using JBoss EAP 7.1 with jdk 1.8.0_211-b12) without any issues. I'd like now to migrate from log4j 2.15.0 to 2.16.0.
When I try it I've the following error
...ANSWER
Answered 2021-Dec-16 at 14:50I had same problem with log4j 2.16.0 and WildFly 10.1. I tried to update WildFly from 10.1 to 13.0 and resolved that error.
The problem have been fixed on WildFly 13.0 ( https://issues.redhat.com/browse/WFLY-9608 ).
It seems that JBoss EAP 7.2 is equivalent to WildFly 14.0.
So you should update JBoss EAP newer than 7.2.
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