Can't induce error on $db_connect->select_db($name); ? PHP

Can't induce error on $db_connect->select_db($name); ? PHP

By : heerschlag
Date : November 19 2020, 01:01 AM
wish helps you you need to pass default db name in connection string directly. if you need connect to one more database you can use select statment
code :
$db_connect = new mysqli($host, $db_username, $db_password, $db_name); 

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Should we use select_db() in php?

Should we use select_db() in php?

By : user3146942
Date : March 29 2020, 07:55 AM
I hope this helps you . Selecting a database is different than selecting a table. A database can contain multiple tables and a MySQL server can contain more than one database. I'm not sure what system you're using to access your databases but unless configured elsewhere (which it very well may be) it is normally necessary to select a database.
Usually used as shown in the following link.
Can one induce a user-defined error from an OpenCL kernel?

Can one induce a user-defined error from an OpenCL kernel?

By : louisstephens
Date : March 29 2020, 07:55 AM
I wish this helpful for you Unfortunately, this is something missing from OpenCL. As the question you referenced suggested you do have printf to report an error, but even that is kind of clunky and doesn't help you detect an error programmatically.
If you are really set on returning an error codes, I can think of a couple options (none easy).
code :
#define RETURN_STATUS(S) \
  do { \
    _kernel_status[get_global_id(0)] = (S); \
    return; \
  } while (0)
#define RETURN_STATUS(S) return

kernel void myKernel(
  ... normal args
  , global int *_kernel_status
  if (i < j) {
How to induce error from 'edit' field web form in (PHP,JavaScript and HTML)

How to induce error from 'edit' field web form in (PHP,JavaScript and HTML)

By : civn
Date : March 29 2020, 07:55 AM
With these it helps Note this answer does not explain every breach! It only explains the two most common.
Protect against SQL Injection
code :
$value = "blue";
$query = "select * from table where column = '" . mysqli_real_escape_string($value) . "'";
$dbh = new PDO('mysql:host=localhost;dbname=yourdbname;charset=utf8', 'yourUsername', 'yourPassword');
$stmt = $dbh->prepare("SELECT * FROM REGISTRY where name = :name");
$stmt->execute(array('name' => $name));
$allResults = $stmt->fetchAll(PDO::FETCH_COLUMN);
echo htmlspecialchars($value);
induce error for debugging purposes?

induce error for debugging purposes?

By : vijaya
Date : March 29 2020, 07:55 AM
I wish did fix the issue. Hypothetically, I have a switch that has 437 cases. I've identified every possible case (I think), and each is handled. I'm worried that I missed # 438, and want something in the Default to alert me of this. , Why not to throw an error?
code :
    throw new Error("Default reached");
How to induce SwingWorker error

How to induce SwingWorker error

By : user5547693
Date : March 29 2020, 07:55 AM
hope this fix your issue For your code to be testable without resorting to hackish tricks, you should separate the concerns of "being a SwingWorker" and doing the actual business logic.
Have a SwingWorker that takes a Runnable or similar and have a separate class implement the Runnable so you can instantiate that and test it independently.
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