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while loop over takes the each method


while loop over takes the each method

By : chentm
Date : November 22 2020, 03:03 PM
it helps some times do you mean something like reset the number?
http://jsfiddle.net/Lgwow5pt/2/
code :
$('#content').on('click', '.remove', function () {
  $(this).parent().remove();
  $('span').each(function(i, item){
    item.lastChild.textContent = i+1;
  });


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javascript replace() method takes function that takes 2 parameters?

javascript replace() method takes function that takes 2 parameters?


By : Elias Kaadouch
Date : March 29 2020, 07:55 AM
Hope that helps When you pass a function as the second parameter, the parameters of the given function are cleary described here:
method that takes no argument, using for loop to add numbers to arraylist

method that takes no argument, using for loop to add numbers to arraylist


By : Good Games
Date : March 29 2020, 07:55 AM
this one helps. Your method should create a new ArrayList of integers, then fill it with the numbers 1-10 using a for loop, and then return the newly filled list that you've created.
This does what you're looking for.
code :
public static ArrayList create_pegboard(){
//for loop and add method to holes 1-10
ArrayList<Integer> list = new ArrayList<Integer>();
for(int i = 1; i<=10; i++){
    list.add(i);
     }
return list;
}
R programming :How to speed up a loop that takes 2 hours and the reasons why it takes a lot

R programming :How to speed up a loop that takes 2 hours and the reasons why it takes a lot


By : Saraharah
Date : March 29 2020, 07:55 AM
To fix the issue you can do In my opinion, findInterval() is the most appropriate function for this problem. Your intermediate variables basically retain their previous values except at known marks within the row sequence, where they change to known values, either fixed (NA) or looked up within the input frame (FDES column). We can use findInterval() to find the closest-previous mark based on the required logic, and index a vector of target values with the winning mark index.
code :
## libs
library(data.table);

## generate test data
set.seed(4L);
n2 <- 648385L;
Poblacion_Morosa3 <- data.table(
    NUMDCRED=sprintf('%04d',cumsum(c(T,sample(c(rep(F,3L),T),n2-1L,replace=T)))), ## avg 4 rows per num
    FDES=seq(as.IDate('2011-01-01'),by=1,len=n2),
    Flag_Entrada_Mora=sample(c(rep(0L,5L),1L),n2,replace=T), ## avg 6 rows per flag
    Flag_Salida_Mora=sample(c(rep(0L,5L),1L),n2,replace=T) ## ditto
);

## solution
system.time({
    findLastIndex <- function(iall,imark) c(0L,imark)[findInterval(iall,imark)+1L];
    n2 <- nrow(Poblacion_Morosa3);
    row.seq <- seq_len(n2);
    num.start <- c(T,Poblacion_Morosa3[,NUMDCRED[-.N]!=NUMDCRED[-1L]]);
    entrada.fdes <- findLastIndex(row.seq,which(num.start | Poblacion_Morosa3[,Flag_Entrada_Mora==1]));
    Ult_Entrada_Mora <- Poblacion_Morosa3[entrada.fdes,FDES];
    salida.na <- findLastIndex(row.seq,which(num.start));
    salida.fdes <- findLastIndex(row.seq,which(Poblacion_Morosa3[,Flag_Salida_Mora==1]));
    Ult_Salida_Mora <- c(as.IDate(NA),Poblacion_Morosa3[,FDES])[ifelse(salida.fdes>=salida.na,salida.fdes+1L,1L)];
});
##   user  system elapsed
##  0.328   0.047   0.374
## show result
head(cbind(Poblacion_Morosa3,Ult_Entrada_Mora,Ult_Salida_Mora),50L);
##     NUMDCRED       FDES Flag_Entrada_Mora Flag_Salida_Mora Ult_Entrada_Mora Ult_Salida_Mora
##  1:     0001 2011-01-01                 0                0       2011-01-01            <NA>
##  2:     0001 2011-01-02                 0                0       2011-01-01            <NA>
##  3:     0001 2011-01-03                 1                0       2011-01-03            <NA>
##  4:     0001 2011-01-04                 0                0       2011-01-03            <NA>
##  5:     0001 2011-01-05                 0                0       2011-01-03            <NA>
##  6:     0002 2011-01-06                 0                0       2011-01-06            <NA>
##  7:     0002 2011-01-07                 0                0       2011-01-06            <NA>
##  8:     0002 2011-01-08                 0                0       2011-01-06            <NA>
##  9:     0003 2011-01-09                 1                0       2011-01-09            <NA>
## 10:     0004 2011-01-10                 1                0       2011-01-10            <NA>
## 11:     0004 2011-01-11                 0                0       2011-01-10            <NA>
## 12:     0005 2011-01-12                 0                0       2011-01-12            <NA>
## 13:     0005 2011-01-13                 1                0       2011-01-13            <NA>
## 14:     0005 2011-01-14                 0                0       2011-01-13            <NA>
## 15:     0006 2011-01-15                 0                1       2011-01-15      2011-01-15
## 16:     0006 2011-01-16                 0                0       2011-01-15      2011-01-15
## 17:     0006 2011-01-17                 0                1       2011-01-15      2011-01-17
## 18:     0007 2011-01-18                 1                0       2011-01-18            <NA>
## 19:     0007 2011-01-19                 0                0       2011-01-18            <NA>
## 20:     0008 2011-01-20                 0                0       2011-01-20            <NA>
## 21:     0009 2011-01-21                 0                0       2011-01-21            <NA>
## 22:     0009 2011-01-22                 1                0       2011-01-22            <NA>
## 23:     0010 2011-01-23                 0                1       2011-01-23      2011-01-23
## 24:     0010 2011-01-24                 0                1       2011-01-23      2011-01-24
## 25:     0010 2011-01-25                 1                0       2011-01-25      2011-01-24
## 26:     0010 2011-01-26                 0                0       2011-01-25      2011-01-24
## 27:     0011 2011-01-27                 0                0       2011-01-27            <NA>
## 28:     0011 2011-01-28                 0                0       2011-01-27            <NA>
## 29:     0012 2011-01-29                 0                1       2011-01-29      2011-01-29
## 30:     0012 2011-01-30                 0                0       2011-01-29      2011-01-29
## 31:     0012 2011-01-31                 1                0       2011-01-31      2011-01-29
## 32:     0012 2011-02-01                 0                0       2011-01-31      2011-01-29
## 33:     0012 2011-02-02                 0                0       2011-01-31      2011-01-29
## 34:     0013 2011-02-03                 0                0       2011-02-03            <NA>
## 35:     0013 2011-02-04                 1                0       2011-02-04            <NA>
## 36:     0013 2011-02-05                 1                0       2011-02-05            <NA>
## 37:     0014 2011-02-06                 0                1       2011-02-06      2011-02-06
## 38:     0014 2011-02-07                 0                0       2011-02-06      2011-02-06
## 39:     0014 2011-02-08                 0                0       2011-02-06      2011-02-06
## 40:     0014 2011-02-09                 0                1       2011-02-06      2011-02-09
## 41:     0014 2011-02-10                 1                0       2011-02-10      2011-02-09
## 42:     0015 2011-02-11                 0                0       2011-02-11            <NA>
## 43:     0015 2011-02-12                 0                0       2011-02-11            <NA>
## 44:     0015 2011-02-13                 0                0       2011-02-11            <NA>
## 45:     0015 2011-02-14                 0                1       2011-02-11      2011-02-14
## 46:     0016 2011-02-15                 1                0       2011-02-15            <NA>
## 47:     0016 2011-02-16                 0                0       2011-02-15            <NA>
## 48:     0017 2011-02-17                 0                0       2011-02-17            <NA>
## 49:     0018 2011-02-18                 0                0       2011-02-18            <NA>
## 50:     0018 2011-02-19                 0                0       2011-02-18            <NA>
##     NUMDCRED       FDES Flag_Entrada_Mora Flag_Salida_Mora Ult_Entrada_Mora Ult_Salida_Mora
## libs
library(data.table);

## generate test data
Poblacion_Morosa3 <- data.table(
    NUMDCRED=c('0001','0001','0001','0002','0002','0002','0003','0003','0003'),
    FDES=c('2012-01-01','2012-03-01','2012-04-01','2011-01-01','2011-02-01','2011-03-01','2012-05-01','2012-06-01','2012-07-01'),
    Flag_Entrada_Mora=c(0,1,0,0,0,0,0,0,0),
    Flag_Salida_Mora=c(0,0,0,0,0,0,0,1,0)
);
Poblacion_Morosa3[,FDES:=as.IDate(FDES)]; ## require correct type for FDES

## solution
system.time({
    findLastIndex <- function(iall,imark) c(0L,imark)[findInterval(iall,imark)+1L];
    n2 <- nrow(Poblacion_Morosa3);
    row.seq <- seq_len(n2);
    num.start <- c(T,Poblacion_Morosa3[,NUMDCRED[-.N]!=NUMDCRED[-1L]]);
    entrada.fdes <- findLastIndex(row.seq,which(num.start | Poblacion_Morosa3[,Flag_Entrada_Mora==1]));
    Ult_Entrada_Mora <- Poblacion_Morosa3[entrada.fdes,FDES];
    salida.na <- findLastIndex(row.seq,which(num.start));
    salida.fdes <- findLastIndex(row.seq,which(Poblacion_Morosa3[,Flag_Salida_Mora==1]));
    Ult_Salida_Mora <- c(as.IDate(NA),Poblacion_Morosa3[,FDES])[ifelse(salida.fdes>=salida.na,salida.fdes+1L,1L)];
});
##   user  system elapsed
##  0.000   0.000   0.003
## show result
cbind(Poblacion_Morosa3,Ult_Entrada_Mora,Ult_Salida_Mora);
##    NUMDCRED       FDES Flag_Entrada_Mora Flag_Salida_Mora Ult_Entrada_Mora Ult_Salida_Mora
## 1:     0001 2012-01-01                 0                0       2012-01-01            <NA>
## 2:     0001 2012-03-01                 1                0       2012-03-01            <NA>
## 3:     0001 2012-04-01                 0                0       2012-03-01            <NA>
## 4:     0002 2011-01-01                 0                0       2011-01-01            <NA>
## 5:     0002 2011-02-01                 0                0       2011-01-01            <NA>
## 6:     0002 2011-03-01                 0                0       2011-01-01            <NA>
## 7:     0003 2012-05-01                 0                0       2012-05-01            <NA>
## 8:     0003 2012-06-01                 0                1       2012-05-01      2012-06-01
## 9:     0003 2012-07-01                 0                0       2012-05-01      2012-06-01
my task is to write a method that takes 2 arrays containing doubles and takes the larger of the two numbers at each inde

my task is to write a method that takes 2 arrays containing doubles and takes the larger of the two numbers at each inde


By : PattyMcReary
Date : March 29 2020, 07:55 AM
it fixes the issue Write a method that takes two arrays containing doubles and returns a new array
code :
private static double[] maximize(double[] test1, double[] test2) {
    double[] maxValues = new double[Math.max(test1.length, test2.length)];
    for (int i = 0; i < Math.min(test1.length, test2.length); i++) {
        maxValues[i] = Math.max(test1[i], test2[i]);
    }
    if (test1.length < test2.length) {
        for (int i = test1.length; i < test2.length; i++) {
            maxValues[i] = test2[i];
        }
    } else {
        for (int i = test2.length; i < test1.length; i++) {
            maxValues[i] = test1[i];
        }
    }
    return maxValues;
}
method that takes a class as a template parameter, and takes the parameters of the classes constructor as method paramet

method that takes a class as a template parameter, and takes the parameters of the classes constructor as method paramet


By : user6145473
Date : March 29 2020, 07:55 AM
like below fixes the issue Okay so I'm creating my very own Entity-Component System, and I'm stuck at the AddComponent Entity method, which adds components to the Enity, here is how it looks: , This is the most simplest use case for a parameter pack.
code :
template <typename T, typename ...Args>
void AddComponent(Args && ...args) {
    NumOfComponents++;
    AllComponents.push_back(new T(std::forward<Args>(args)...));
}
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