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While loop multiple condition check with single variable


While loop multiple condition check with single variable

By : John Doe
Date : October 25 2020, 07:10 AM
I wish this helpful for you I am wondering if there is a way to check multiple while loop conditions using the same variable. That's a bit vague, but this example should clear it up: , Yes, this can be done:
code :
double result;
while ((result = myFunction(x)) == 0 || result == 13639 || result == -4261.9583)
{ x++; }


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For loop for multiple condition over Multiple conditions in single if statement

For loop for multiple condition over Multiple conditions in single if statement


By : user3008043
Date : March 29 2020, 07:55 AM
wish of those help I don't see any substantial difference. You could further improve readability and terseness by pulling the dictionary access out of the loop.
code :
// probably done for you by the compiler, but still prettier to look at...
NSString *name = dict[@"name"];

for (id object in myArray) {
    if ([name rangeOfString:id].location != NSNotFound){
        // do something
        break;
    }
}
Why does the while loop stop when condition check variable becomes 0?

Why does the while loop stop when condition check variable becomes 0?


By : Diogo Marques
Date : March 29 2020, 07:55 AM
Does that help Could someone explain me what happens down below? , As commented above:
4 is a truthy value in javascript:
code :
if (4) {
    console.log(true);    
} else {
    console.log(false);
}
0 and true = false
1 and true = true
4 and true = true
Better way to check multiple OR condition within single if statement in javascript

Better way to check multiple OR condition within single if statement in javascript


By : vpulla
Date : March 29 2020, 07:55 AM
wish of those help You can simplify removing for example Number() - the + sign turns strings holding a number into an actual number, and we can still use the faster logic operands:
code :
if (+cash.value < 0 || +cheque.value < 0 || +charge.value < 0 || +card.value) < 0) {
  doSomething();
}
if ((Number(Cash.value) || Number(Cheque.value) || Number(Charge.value) || Number(Card.value)) < 0)
Store variable with multiple condition in for loop until condition is met in R

Store variable with multiple condition in for loop until condition is met in R


By : Mohit Jangra
Date : March 29 2020, 07:55 AM
This might help you (I know for loops aren't the preferred choice in R but this was the best I could come up with) , Another way to achieve your output:
code :
pos = integer(10)
pos[df>3 & df<7]<-df[which.max(df>3 & df<7)]
cbind(df,pos)
      df pos
 [1,]  1   0
 [2,]  2   0
 [3,]  3   0
 [4,]  4   4
 [5,]  5   4
 [6,]  6   4
 [7,]  7   0
 [8,]  8   0
 [9,]  9   0
[10,] 10   0
sig = function (df) {

  pos = integer(10)

  for (i in 1:10) {

    if (df[i] > 3 ) { # Once df[i] is bigger than 3 store the value of df[i]
      pos[i] = df[i]
    } 
    else if(df[i] < 7 ){ # Keep value of df[i] until next condition is met
      if(i>1) {
        pos[i] = pos[i - 1] 
      } else

      {
        pos[i]=0
      }
    } 
    else{pos[i] = 0} # set the value back to 0
  }

  return(cbind(df,pos))
}
sig(df)
      df pos
 [1,]  1   0
 [2,]  2   0
 [3,]  3   0
 [4,]  4   4
 [5,]  5   5
 [6,]  6   6
 [7,]  7   7
 [8,]  8   8
 [9,]  9   9
[10,] 10  10
Condition check, single/multiple value for multiple columns with comma separated column

Condition check, single/multiple value for multiple columns with comma separated column


By : user2936201
Date : March 29 2020, 07:55 AM
will be helpful for those in need You could do a UNPIVOT AND XML Path, the following query should do what you want:
code :
;WITH CTE AS (
    SELECT Col, Val, Name
    FROM mtest a
    UNPIVOT (Val FOR Col IN ([id1],[id2],[id3],[id4])) unpiv
    WHERE Val IN (4,7) )

SELECT Col, Val, 
Name = STUFF(
             (SELECT ',' + Name 
              FROM CTE t1
              WHERE t1.Col = t2.Col AND t1.Val = t2.Val 
              FOR XML PATH (''))
             , 1, 1, '')
FROM CTE t2
GROUP BY Col, Val
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