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MSP432p401r: What are the possible inputs to CTLW0->BRW?


By : user2175482
Date : October 15 2020, 08:10 AM
this will help The project I am working on includes i2c. I am looking through the datasheets and I cannot find how to use the prescaler setting, BRW. The section on this register does not tell me anything. It is here on the top of page 982. How does this register affect the SCL frequency? , Section 26.3.6 of the linked manual says:
code :


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React triggers onChange events for virtual DOM inputs differently than inputs in the regular DOM. Why is this?


By : Adrian Ueberwasser
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further React DOM intentionally deviates and makes onChange fire on every change because that's almost always what you want. This is described in the documentation here: Forms.

How do I make dynamically created inputs in R/Shiny flow like normal inputs in flowLayout?


By : naveen
Date : March 29 2020, 07:55 AM
like below fixes the issue All four dynamic generated widgets are treated as one object because they are contained in a list. Therefore it is quite difficult to position them. The easiest solution I can think of is to use insertUI function from the newest shiny version which can be installed using devtools package:
code :
devtools::install_github("rstudio/shiny")
selector = paste0('#field', letters[i])
for (i in 1:4) { 
      insertUI(
        selector = paste0('#field', letters[i]), 
        where = "afterEnd",
        ui = textInput(paste0('field',i), paste('Field',i),'')
      )
    }
library(shiny)
library(shinydashboard)

shinyApp(
  ui = dashboardPage(
    dashboardHeader(),
    dashboardSidebar(),
    dashboardBody(
      flowLayout(
        textInput('fielda','Field A',''),
        textInput('fieldb','Field B',''),
        textInput('fieldc','Field C',''),
        textInput('fieldd','Field D','')
      )
    )
  ),
  server = function(input, output) {

    for (i in 1:4) { 
      insertUI(
        selector = paste0('#field', letters[i]), 
        where = "afterEnd",
        ui = textInput(paste0('field',i), paste('Field',i),'')
      )
    }
  }
)
flowLayout(
  textInput('fielda', 'Field A'),
  textInput('fieldb', 'Field B'),   
  textInput('fieldc', 'Field C')
)
        i = 1:3
        UI <- paste0("flowLayout(",
                paste0("textInput(", 
                       "'field", letters[i], "', ",
                       paste0("'Field ", LETTERS[i], "'"), 
                       ")",
                       collapse = ", "),
              ")")
eval(parse(text = UI))
library(shiny)
library(shinydashboard)

shinyApp(
  ui = dashboardPage(
    dashboardHeader(),
    dashboardSidebar(),
    dashboardBody(
      wellPanel(
      uiOutput("ui1")
    )
   )
  ),
  server = function(input, output) {

      output[["ui1"]] <- renderUI({
        i = 1:15
        UI <- paste0("flowLayout(",
                paste0("textInput(", 
                       "'field", letters[i], "', ",
                       paste0("'Field ", LETTERS[i], "'"), 
                       ")",
                       collapse = ", "),
              ")")
        # print(UI)
        eval(parse(text = UI))
      })

  }
)

When selecting multiple inputs in a shiny app, why does the error depend on the order that the inputs were selected?


By : kamran khan
Date : March 29 2020, 07:55 AM
it helps some times I have a flexdashboard document with runtime: shiny (I posted the app here https://arie.shinyapps.io/reproducible_example/ and embedded the code, but wanted to put the code below as well in case the app exceeds its allotted usage on shinyapps.io): , The problem is within:
code :
df_reactive <- reactive(df[df$name == input$name_input,])

MSP432p401r: Where is this declaration?


By : user2113665
Date : March 29 2020, 07:55 AM
I wish this helpful for you I am attempting to move some of TI's driverlib functions over to my own drivers so that the code is smaller and easier to handle. However, I am having a lot of trouble with the driverlib, specifically the eUSCI declarations. This line: , driverlib/MSP432P4xx/eusci.h has:
code :
#define EUSCI_A_CMSIS(x) ((EUSCI_A_Type *) x)
typedef struct {
  __IO uint16_t CTLW0;                           /**< eUSCI_Ax Control Word Register 0 */
  __IO uint16_t CTLW1;                           /**< eUSCI_Ax Control Word Register 1 */
       uint16_t RESERVED0;
  __IO uint16_t BRW;                             /**< eUSCI_Ax Baud Rate Control Word Register */
  __IO uint16_t MCTLW;                           /**< eUSCI_Ax Modulation Control Word Register */
  __IO uint16_t STATW;                           /**< eUSCI_Ax Status Register */
  __I  uint16_t RXBUF;                           /**< eUSCI_Ax Receive Buffer Register */
  __IO uint16_t TXBUF;                           /**< eUSCI_Ax Transmit Buffer Register */
  __IO uint16_t ABCTL;                           /**< eUSCI_Ax Auto Baud Rate Control Register */
  __IO uint16_t IRCTL;                           /**< eUSCI_Ax IrDA Control Word Register */
       uint16_t RESERVED1[3];
  __IO uint16_t IE;                              /**< eUSCI_Ax Interrupt Enable Register */
  __IO uint16_t IFG;                             /**< eUSCI_Ax Interrupt Flag Register */
  __I  uint16_t IV;                              /**< eUSCI_Ax Interrupt Vector Register */
} EUSCI_A_Type;

How to write a program which can continuously ask users for inputs until the inputs meet a specific requirement to run t


By : user2330785
Date : March 29 2020, 07:55 AM
it should still fix some issue IT should be easy with do-while. I am not on my compiler right now however this you should add in your code if you are using scanner
code :
import java.util.*;
class ExamTesterNine{
public static void main(String args[]){
Scanner kbReader= new Scanner(System.in);
int num = 0;
System.out.println("Enter an integer smaller than 20 and larger than 0");
  do{
     num=kbReader.nextInt();
   } while(num<0 && num <20);

   int result;
   int sum=0;

   for(int i=1; i<=num; i++)
   sum=sum+i;

   int [] number= new int [num];
   for (int a=0; a<(number.length-1); a++ ){
     number[a]=a+1;
     System.out.print(number[a]+"+");}
   System.out.print(num+"="+sum);
   }

  }
}
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