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PDO mysql: How to know if insert was successful
... need any error handling at all. Just keep your code as is:
$stmt->bindParam(':field1', $field1, PDO::PARAM_STR);
$stmt->bindParam(':field2', $field2, PDO::PARAM_STR);
$stmt->execute();
echo "Success!"; // whatever
On success it will tell you so, on error it will show you the regular err...
Open another application from your own (intent)
...
I have work it like this,
/** Open another app.
* @param context current Context, like Activity, App, or Service
* @param packageName the full package name of the app to open
* @return true if likely successful, false if unsuccessful
*/
public static boolean openApp(Contex...
Simplest way to wait some asynchronous tasks complete, in Javascript?
...ve read docs but i dont get it is that how it handles functions that don't parameters like function abc(data){, because it's not like function abc(err, callback){... Basically i dont think all functions take error as first param and callback as 2nd param
– Muhammad Umer
...
Open Facebook page from Android app?
...t(ctx.getPackageManager(), "https://www.facebook.com/JRummyApps");}
*
* @param pm
* The {@link PackageManager}. You can find this class through {@link
* Context#getPackageManager()}.
* @param url
* The full URL to the Facebook page or profile.
* @return An intent that will open th...
Convert light frequency to RGB?
... a RGB color value that is suitable to be displayed on a
* monitor
*
* @param wavelength wavelength in nm
* @return RGB color encoded in int. each color is represented with 8 bits and has a layout of
* 00000000RRRRRRRRGGGGGGGGBBBBBBBB where MSB is at the leftmost
*/
public static int wavelengt...
Path.Combine for URLs?
..., then it works the way you'd expect (note the missing slash on the second parameter): new Uri(new Uri("test.com/mydirectory/"), "helloworld.aspx").ToString() results in "test.com/mydirectory/helloworld.aspx". Path.Combine behaves similarly. If the relative path parameter starts with a slash, it onl...
How can I prevent SQL injection in PHP?
...
Use prepared statements and parameterized queries. These are SQL statements that are sent to and parsed by the database server separately from any parameters. This way it is impossible for an attacker to inject malicious SQL.
You basically have two opt...
Creating a temporary directory in Windows?
...s the directory if it does not exist.
/// </summary>
/// <param name="directoryPath">The directory path.</param>
/// <returns>Returns false if directory already exists. Exceptions for any other errors</returns>
/// <exception cref="System.ComponentMod...
Which CheckedListBox event triggers after a item is checked?
...ing the event before value is checked with new value and index supplied as parameters. Whoever wants the "after change" event, they can simply use the above. If suggest something to the Microsoft then suggest a new event ItemChecked, not changing of existing one:see diimdeep's answer
...
Create instance of generic type whose constructor requires a parameter?
... the new() constraint on T is only to make the compiler check for a public parameterless constructor at compile time, the actual code used to create the type is the Activator class.
You will need to ensure yourself regarding the specific constructor existing, and this kind of requirement may be a c...