Latest Questions

How to use scipy's fminbound function when function returns a dictionary

I have simple function for which I want to calculate the minimum value from scipy import optimize def f(x): return x**2 optimize.fminbound(f, -1, 2) This

Could not find module 'RxSwift'

I imported BitcoinKit.swift which worked fine but get now the error: Could not find module 'RxSwift' for target 'x86_64-apple-ios-simulator'; found: arm64, arm6

Spring-batch flow / split after a step

I am building a spring-batch solution that contains the following process: step 1 : split a list into multiple lists step 2 : process each sub-list step 3 :

'Error: A 'return' statement can only be used within a function body' - HTML Form

I am getting an error in my old HTML form onsubmit return statement. It was working perfectly fine before but recently the same statement is showing an error. I

How to store encrypted SecretAccessKey in registry for Redshift ODBC driver?

Ideally you create a ODBC DSN using the "ODBC Data Sources" UI. I am creating a Redshift Driver DSN(TestDSN) using Authentication Type "IAM Credentials" The se

WPF when resize column width or row height, inner control's properties automatically generated

After I change column width or row height width guideline in design mode, control's (in that row or column) height, width, margin property automatically generat

Access env variables inside docker entrypoint script

I want to pass environment variables in my docker run command and access them in my entrypoint shell script. This is my super simple Dockerfile for test purpose

Flink TumblingEventTimeWindows how achievement without overlap?

There is this text in Stream Processing with Apache Flink page 211 “The WindowAssigner determines for each arriving element to which windows it is assign

Python pandas - series to dataframe

. How do I print out only the country names that exist in the dataframe among series with country names as index?

Why am I getting a nil value from a Ruby object's member, when it is not nil? [closed]

I want to get the value of a field (ScenarioID) in a Ruby ActivityChart object (chart). Displaying the whole chart shows the value I want: 16

An error is reported when querying a certain section of data in the Apache IoTDB

I want to query a certain section of data in the Apache IoTDB. However, I encounter some errors in the below picture. I don't know the reason about it.If someon

Construct signatures with JSDoc and TS-Pragma ts(2351)

I've a function that returns a constructor dynamically. When I try to instantiate the new object it warns me This expression is not constructable. Type 'myConst

Overwrite variables if condition is met, else keep existing values R

I have a data frame df<-data.frame(Name=c('H001', 'H002', 'H003', 'H004', 'H005', 'H006', 'H007', 'H008', 'H009', 'H010'),

height vs min-height same value different result

As i understand vh unit is related to view-port not document content.but when i used it with flex container it behave strange like in following example. Run cod

convert month of dates into sequence

i want to combine months from years into sequence, for example, i have dataframe like this: stuff_id date 1 2015-02-03 2 2015-03-03 3

How to successfully implement Multiprocessing Lock?

I have been following the example synchronization-between-processes from the multiprocessing document. The script is as follows: from multiprocessing import Pro

Call function at end of for loop is not working as intended

The following code is not working as intended when I call the next() function at end of for loop. For some reason only one item from the list is printed and it

Insert tab character into SlateJS text editor

How to insert tab characters into SlateJS? So inserting &emsp; is a tab character, however, when inserting this as text, it appears as the literal character

React / Rails / I18next change language in URL or refresh server-side props

I'm using React with Rails. I get some props from a React controller when rendering the page initially. When changing the language on the frontend (I18next), we

dummy variable encoding or one-hot encoding from Monday to Friday based on datetime with DolphinDB

Monday to Friday are independent variables of the model, but in order to eliminate the effects of 1-5 base units, one-hot encoding or dummy variables need to be

In java spring, how to best "change secret in production"?

I am currently creating a Java Spring application that works with the spring security JWT. Everywhere I look and read about the "secret string", it says should

Why is VGG16 giving lesser no. of total parameters?

from tensorflow.keras.applications import VGG16 pre_trained_model = VGG16(weights='imagenet', include_top=False, input_shape=(224, 224, 3)) model = Sequential

Running a Python Flask server in closed Terminal session

I've made an Flask API Server that i want to run on a Server and close the Terminal session and still keep it running. (SSH) The API's makes a lot of Requests t

Stream returns wrong type

I'm trying to understand reactive style. But stuck on this example. public class ScriptServiceImpl implements ScriptService{ private static Logger log = Lo

Modifiy variable values in gitlab-ci.yml

Let's say CI_COMMIT_BRANCH=abc/xyz And .gitlab-ci.yml variables: VAR: ${CI_COMMIT_BRANCH} Is there a way to remove 'abc/' from the value of CI_COMMIT_BRANCH

Update recyclerview item from background thread after changing configuration

I have a RecyclerView in a Fragment. Also I have an AsyncTask which updates items of RecyclerView from background thread. The problem is when I rotate the devic

Why does CMAKE need two build runs to compile open625251 encryption correctly?

I am somewhat new to CMAKE and need your help. I am building a project that uses the OPCUA library open62541 and after including encryption, the build process i

Plucking specific substring from string - Javascript

I have a dynamic string that is generated like one of the following: var q = "FROM Table SELECT avg(1), avg(2), avg(3) where x='y' var q = "SELECT avg(1), avg(2

How to pass const value from one react js file to another?

I am a little new on react. How can I pass a variable with its value from one react js file to another? File A.js: const [value, setValue] = useState(35) Fil

ups label generation with multiline address restful api

I am trying to generate a label with a multiline address.... the docs say the occurrence of AddressLine can appear three times. however this is invalid json and