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问题 I am trying to implement select/unselect all functionality in reactJs but couldn't make it happen. I have made select/unselect all main header checkbox functional and the single elements can also be selected or unselected. My work link: import React, { Component } from 'react' import ReactDOM from 'react-dom' class Box extends Component{ constructor(props){ super(props); this.state = { allChecked: false, list: [ {id:1, name: "item1", isChecked: false}, {id:2, name: "item2", isChecked: false},

问题 I am trying to load the XMl file using SSIS. I have My Sample XML and corresponding XSD. In my SSIS package XML Soruce, provided the Input XML File path and XSD path and when i am tryng to see the columns then i was getting the below error The Component "XML Source" Was unable to process the XML data. ambiguous complextype definition. The Element 'childusages' has multiple members named 'usages' And i tried validating the XML and corresponding XSD with .Net(C# or VB) and it passed the

问题 I've been searching for days about this issue and didn't find any solved thread. I need loading pretty large images (4 GB and beyond, either .tiff / .png) into openCV code, by means of a simple src = imread(filepath, 1); I'm using Visual Studio 2013, C++. Though I'm using a 96Gb-RAM machine, runtime alerts are coming out when loading these large images by OpenCV's "imread" function. Been trying with smaller and smaller images/files untill the point they are indeed read/loaded, so we know it's

问题 how to delete user data while deleting the macos electron app? It seems we need to write a daemon to listen to the folders change, but how to do? do you have more clear or easier methods to handle it? packaging used electron-builder. 回答1: I use electron-localstorage to set one flag into app, while everytime you start app, which will check if the flag can get from app, if not, this was new installed and opend first time, so it will clear the old userdata. const userDataPath = app.getPath(

问题 I am getting a blank page with just a "Django Login" link when trying to access generated swagger docs. I am using drf_yasg library to render swagger documentation. Code to generate swagger docs is similar to mentioned in swagger docs. schema_view = get_schema_view( openapi.Info( title="Snippets API", default_version='v1', description="Test description", terms_of_service="https://www.google.com/policies/terms/", contact=openapi.Contact(email="contact@snippets.local"), license=openapi.License

问题 I am using the R programming language. I am following this tutorial over here: https://plotly.com/r/dropdowns/ I tried to create my own data and run the same procedure: library(plotly) library(MASS) library(dplyr) # create data x <- sample( LETTERS[1:4], 731, replace=TRUE, prob=c(0.25, 0.25, 0.25, 0.25) ) y <- rnorm(731,10,10) z <- rnorm(731,5,5) date= seq(as.Date("2014/1/1"), as.Date("2016/1/1"),by="day") df <- data.frame(x,y, z, date) df$x = as.factor(df$x) #create plot fig <- plot_ly(df, x

问题 I am writing a REST web service using Jersey, and I'm trying to write a set of unit tests to test the service using the Jersey Test Framework. However, I use HTTP Authentication and SecurityContext as part of my web service, and I'm having issues setting up JTF to allow me to test these aspects. I can send authentication information in the request, but how do I configure it to know about the different roles and users I wish to set up? I'm currently using Jetty (via JettyTestContainerFactory),

问题 (Sorry for my english) I have a problem when using Google Slides API. How can I choose a theme when create new presentation with Google Slides API? Thanks. 1. create a presentation function createPresentation($title) { $presentation = new Google_Service_Slides_Presentation(array( 'title' => $title )); $presentation = $this->slidesService->presentations->create($presentation); $presentationLastId = $presentation->presentationId; return $presentationLastId; } 2. append a slide protected

问题 The bounty expires in 7 days . Answers to this question are eligible for a +50 reputation bounty. Blackbam wants to draw more attention to this question: A good solution shows a possibility to do this without passing a string but something which can be validated. If this is possible with two or three lines of codes using ReflectionClass this would totally be o.k. - I am just looking for a good way to solve this in a way such that I see an error in the IDE in case a method does not exist. In

问题 I am using the R programming language. I am following this tutorial over here: https://plotly.com/r/dropdowns/ I tried to create my own data and run the same procedure: library(plotly) library(MASS) library(dplyr) # create data x <- sample( LETTERS[1:4], 731, replace=TRUE, prob=c(0.25, 0.25, 0.25, 0.25) ) y <- rnorm(731,10,10) z <- rnorm(731,5,5) date= seq(as.Date("2014/1/1"), as.Date("2016/1/1"),by="day") df <- data.frame(x,y, z, date) df$x = as.factor(df$x) #create plot fig <- plot_ly(df, x