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I'm not getting expected result , I want to know what's wrong with the code

By : Lars
Date : September 30 2020, 10:00 PM
seems to work fine I want to know whether I can use Input function under for loops and Lists? , Your issue is with the line
code :
K=print(input('Enter the Value:'))
K=input('Enter the Value:')

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JUnit testing - Whats wrong with a test that`s expected result should be passed?

By : Henning Schmidt
Date : March 29 2020, 07:55 AM
With these it helps Assuming your code snippets are accurate, your setUp() method instantiates a shandler field while your testCreate() test uses a handler field. And the stacktrace clearly shows that you have a NullPointerException in testCreate(). So the thing that you are doing wrong is trying to call a method on an object whose value is null.

when i try to write result into textBox i am getting error about Control.Invoke must be .... whats the wrong in my code

By : Abhijeet Parihar
Date : March 29 2020, 07:55 AM
Hope that helps If InvokeRequired is true, then you cannot access an UI element like a textbox because the current code is running in a different thread than the one in which the UI element has been defined. In this case you call the Invoke method passing again the delegate to the same method and the parameters expected by the delegate.
code :
  void brkd_OnScan(ScanDataCollection scancollection)
        if (textBox1.InvokeRequired)
            // Don't try to use UI properties here, but reinvoke this same method 
            // asking the framework to switch to the thread owning the control....
            textBox1.Invoke(new Barcode2.OnScanHandler(brkd_OnScan), scancollection);
            // Now this code runs in the same thread of the UI element and it is possible
            // to change the properties of the textbox.
            textBox1.Text = scancollection.GetFirst.Text;

It showing wrong output ? Whats wrong with this code

By : Shawn Lau
Date : March 29 2020, 07:55 AM
like below fixes the issue I'm trying to run this simple javascript code but doesn't get desired output. This code showing "You are pass" instead of "You are fail". Please tell where im wrong. , You are using
code :
else if(marks=33)
else if(marks==33)

Whats wrong with this code, Always prints result 0. While on running the query direct in phpmyadmin i get the correct re

Date : March 29 2020, 07:55 AM
it fixes the issue When I have to guess what $selectedVal contains I would suggest to make it sql injection save. Maybe this also solves your problem:
code :
$query = "SELECT id, name FROM mdl_question_categories where parent = ?";

if ($stmt = mysqli_prepare($link, $query)) {
    /* bind parameters for markers */
    mysqli_stmt_bind_param($stmt, "s", $selectedVal);

    /* execute statement */

    /* bind result variables */
    mysqli_stmt_bind_result($stmt, $id, $name);

    if (mysqli_stmt_num_rows($stmt) > 0) {
        /* fetch values */
        while (mysqli_stmt_fetch($stmt)) {
            echo "Name: " . $name. "<br>";
            echo "ID: " . $id . "<br>";
    } else {
        echo "0 results";

    /* close statement */
$conn = new mysqli("localhost", "my_user", "my_password", "world");

/* check connection */
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());

processDrpdown($conn, $selectedVal);

/* close connection */

Whats wrong with this query? i am getting null result

By : Bogomil Stoev
Date : March 29 2020, 07:55 AM
it fixes the issue WHERE master.order_number IS NULL
This is your primary table, and the join condition for all other tables are on this column.
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