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Change string on each loop iteration


Change string on each loop iteration

By : senta pravin
Date : November 22 2020, 04:01 AM
will help you Reassigning the function parameter would be perfectly fine in this use-case.
If you really don't want to reassign a function parameter for whatever reason, you can introduce a new variable to store the updated URL for you.
code :
cleanURL(url, params) {
    let newUrl = url;
    params.forEach((param) => {
        newUrl = this.updateUrlParameter(newUrl, param, '');
    });
    return newUrl;
}


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PHP while loop for HTML Generation: Should I Check Array values at each While Loop Iteration or use Post-Loop String Pro

PHP while loop for HTML Generation: Should I Check Array values at each While Loop Iteration or use Post-Loop String Pro


By : Nash
Date : March 29 2020, 07:55 AM
it should still fix some issue I'm working on a PHP-written html calendar that writes each day of the month inside a while loop. , Here's another solution:
code :
$day = 1;
$strings = array();
while($day < 31) {
    if (array_key_exists($day, $array)) {
        $strings[$day] = $array['$day'] . " spots available";
    } else {
        $strings[$day] = "No spots available for this date";
    }
    $day += 1;
}
foreach ($strings as $day => $string) {
    echo '<td title="' . $string . '">' . $day . '</td>';
}
Change loop conditions midway through loop iteration

Change loop conditions midway through loop iteration


By : Martin Austin
Date : March 29 2020, 07:55 AM
this one helps. I'm trying to identify a float vs int by parsing a string character by character and find the whole float or int. If I have found a '.' then I do not want this in my loop condition. , A ternary operator should do the trick:
code :
do
{
    if((char) nextChar == '.')
        reachedDot = true;

    integer += (char) nextChar;
    readChar();
} while (reachedDot ? Character.isDigit(nextChar) : ((Character.isDigit(nextChar) || nextChar == '.')); 
do
{
    if((char) nextChar == '.')
        reachedDot = true;

    integer += (char) nextChar;
    readChar();
} while (Character.isDigit(nextChar) || (!reachedDot && nextChar == '.')); 
How to create continuous loop in C where each iteration of the loop occurs once per iteration of the loop it's inside

How to create continuous loop in C where each iteration of the loop occurs once per iteration of the loop it's inside


By : Chuck
Date : March 29 2020, 07:55 AM
wish helps you I'm creating a game in c. the game has a function called loop(), which calls other functions and has them update during each game loop. The game character is simply a char image. The issue that i'm having, is that I want this char image to continuously move in a direction after 1 keypress is made, however, I can only seem to get it to move once per keypress, meaning it needs to be held down to get continuous movement.
How to change value to zero but not in the first iteration of a loop

How to change value to zero but not in the first iteration of a loop


By : user3319674
Date : March 29 2020, 07:55 AM
With these it helps If i understand correctly, you can have a variable, say on_starting_race, set to false, then check whenever it is above a set number (say, when it's above 10 you know for a fact that the race has already started and the car moved at least for a few seconds), then change that value to True, now add an if statement to determine whether the value is close to 0 (say val<5) AND on_starting_race is True. There might be a more elegant way, but this is pretty straight forward(assuming you check the state of the car every frame or a set period of time).
Function reads iteration target as local argument string instead of iteration value in for loop

Function reads iteration target as local argument string instead of iteration value in for loop


By : Marta
Date : March 29 2020, 07:55 AM
Does that help IIUC, you want to loop though every column and create the cross tab against column Q, but your current loop won't produce anything.
Use the following to assign the results to a python dict that you can access with column names as the key:
code :
DF = pandas.read_excel('example.xlsx')

Categories = list(DF.columns.values)

cross_tabs = {}

for i in Categories:
    cross_tabs[i] = pandas.crosstab(DF.Q, DF[i], normalize = 'index', margins=True)
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