Search for packages by a particular author

Sometimes I get accustomed to a particular R package's design and want to search CRAN for all packages by that author (let's use Hadley Wickham for instance). How can I do such a search (I'd like...

Limit the number of rows in a Django table

I have a table in my models file and I want to design it such that there is a limit to ten rows in the table. When the limit is exceeded the oldest row will be deleted. For some context this is...

how to drag and drop a image onto a image

hello and merry Christmas to everyone for tomorrow(UK), I'm rather new to android but have successfully managed a few bits and pieces what im trying to achieve right now is a simple drag and drop...

Is skipping "accept" where type is known, a valid optimization for the Visitor pattern?

Consider the following visitor for a simple language interpreter. public interface Visitor{ void visit( VarStat vs); void visit( Ident i); void visit( IntLiteral a); void visit(...

Scipy, differential evolution

The thing is, im trying to design of fitting procedure for my purposes and want to use scipy`s differential evolution algorithm as a general estimator of initial values which then will be used in...

How to show quantity in dropdown in product page and cart page magento

I am using Magento ver. 1.9.2.1 I just want to show quantity in dropdown for simple and configurable products in product view page and cart page as well. I replace code in...

Prototype design pattern in c#

can anyone explain why we need to use MemberwiseClone() in prototype pattern? public abstract class AProtagonistEx { int m_health; int m_felony; double m_money; // This is a...

Decimation in C++

Dear Stack Community, I'm doing a DSP exercise to complement my C++ FIR lowpass filter with filter coefficients designed in and exported from Matlab. The DSP exercise in question is the act of...

Connection pentaho to Neo4j database : Error

I downloaded the community version of pentaho to create dashboards. I have a Neo4j database on my PC with my datas. When I try to connect my report to my Neo4j database, I have an error that I...

Magento 2 Admin Login Backend Error: Invalid scope type ''

First I can login with username and password at magento admin than I get this: this error There has been an error processing your request Invalid scope type '' Nowhere to find this...

Circular Image View in Android without using any external library

Is there any way to make a circular image view in Android without using any external libraries? Something in android design libraries? And I should be able to set the image at run time using code.

Docker push fails after multiple retries on a specific layer

I'm trying to push my own docker image for an angular 5 project that I've built. My docker image extends the well known node:carbon image and runs the following commands: FROM node:carbon WORKDIR...

Disable WooCommerce API authentication for Custom endpoint

I have created a custom WooCommerce API endpoint (in a custom WP plugin) for that creates a new order in WooCommerce. I usually use HTTPS and basic auth with consumer key and consumer secret. This...

Cannot read property 'date' of undefined React material design

I am using storybook reactJs and material-ui for an app. I am trying to build datepicker from [Material-ui component][1] and below is my code so far import React, { Fragment, PureComponent } from...

Android resource compilation failed

I am developing an android app where I am in need of design support library so when I add implementation 'com.android.support:design:27.1.1' into my build.gradle(app) then the following error...

How to enforce C# Task to exist only once at a time for a given ID

There were multiple times in different applications that I needed to accomplish the following behavior with C# Task and I did it in a certain way, and would like to receive an insight whether it's...

Make a VStack fill the width of the screen in SwiftUI

Given this code: import SwiftUI struct ContentView: View { var body: some View { VStack(alignment: .leading) { Text("Title") .font(.title) Text("Content") ...

Ant design Form validation is not working and not updating input values when component is from a state that is passed from a function

Can not validate the form item when sent from a function using state. Also the 'Select' values are not updating when changing options. I am using components from Ant design. If I use 'select'...

Using temp tables in pyspark queries

I need to read some data into Spark using SQL. The query, for performance reasons, really requires a temp table. When I try and use a query including a temp table as outlined below however spark...

Flutter routing with Firebase Auth and ChangeNotifierProvider

I'm trying to make my flutter architecture as best as possible before diving into the features of my app. I have already made an app with firebase Authentification working, based on...

I cannot get the image to be responsive for a login split screen bootstrap design with image reload

I am working on a login split screen, and had it perfectly aligned with bootstrap: It has been requested that the left side image change when the page reloads. I have found a way to do this with...

Spring Cloud API Gateway routing not working

I have design a micro service prototype using below technologies Eureka Server(Discovery Server) Spring boot (back-end Service) Spring Cloud API GateWay Above mentioned service are getting...

React - Ant Design 4 Form InitialValues / form.setFieldsValue

I tried it also with the "Form initialValues={system}" but the Input fields are still empty. My object has only string values. Why cant the setFieldsValue or the initialValues read my object? ...

React Ant design 4 Input search display table data

I'm tried to create Ant design 4 input search to filter data , Name and age, when i search name or age wanna display table data but its not working anyone know how to do that correctly *stazkblitz...

Databricks REST API throttling and capacity restrictions/limits

I've scaled up the hardware on an azure-databricks cluster ("all-purpose" cluster) appropriately so that it should handle a very large amount of work. The application is designed in a way where...

Ant Design Conditionally Require Form.Item

How to conditionally require a Form.Item in Ant design? rules={[ { required: {this.state.isRequired}, message: 'This field is required', }, ]} Doesn't work with a variable as...

Subclassing UIView from Kotlin Native

UIKit is designed to be used through subclasses and overridden methods. Typically, the drawRect objective-C method of UIView is implemented like this in SWIFT: import UIKit import...

Google Play app rejected due to: Prominent disclosure Non compliant design for policy: Accessibility API

Our application is getting rejected from the play store for policy violation regarding Prominent disclosure Non compliant design for policy: Accessibility API Initially we were using 3rd party...

What is your suggestion for defining this VOIP web-service?

What is your suggestion about defining routes for such a web-service? Input: called number call date Output: caller number call datetime call duration call status It is the first...

Rounded button with Icon flutter

how to change this square text button to a circular button with a plus icon as the image shows. here's my designed button code. and left side image showing the button I designed so far. I want It...