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How to recursively download a folder via FTP on Linux [closed]
...rectory
Note the double slash after the server name. If you don't put an extra slash the path is relative to the home directory of user.
-nH avoids the creation of a directory named after the server name
-nc avoids creating a new file if it already exists on the destination (it is just skipped) ...
How to use FormData for AJAX file upload?
.../Script>
Controller:
[HttpPost]
public ActionResult ControllerX(string id)
{
var files = Request.Form.Files;
...
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Way to get number of digits in an int?
...
Your String-based solution is perfectly OK, there is nothing "un-neat" about it. You have to realize that mathematically, numbers don't have a length, nor do they have digits. Length and digits are both properties of a physical re...
How to simulate a click with JavaScript?
...ecified element.
* @param {Object} elem the target element.
* @param {String} event the type of the event (e.g. 'click').
*/
function triggerEvent( elem, event ) {
var clickEvent = new Event( event ); // Create the event.
elem.dispatchEvent( clickEvent ); // Dispatch the event.
}
Refe...
Performance optimization strategies of last resort [closed]
...x4 matrices and 4-vectors of floats. Changing the code to carry around the extra empty slot and converting the calculation to floating point from fixed point allowed for a slightly less-accurate but much faster result.
– RBerteig
May 30 '09 at 2:19
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C default arguments
... present depending on the required arguments, and printf(3) reads a format string that specifies how many arguments there will be. Both use varargs quite safely and effectively, and though you can certainly screw them up, printf() especially seems to be quite popular.
– Chris L...
Get size of all tables in database
...with filtered indexes: For each filtered index for a given table, I see an extra row with that tables's name in the results. The "RowCounts" of each of those extra rows corresponds to the number of rows covered by one of the filtered indexes. (on Sql2012)
– Akos Lukacs
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What represents a double in sql server?
... I'll be darn; you're right! I wonder what SQL does with the extra bit; it's not used for the exponent. If it did, the exponent would go up to +-616 instead of +-308. Maybe to track NULL?
– Euro Micelli
Jul 30 '09 at 21:42
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Casting a variable using a Type variable
... int x = (int)obj;
DoSomethingWithInt(x);
} else if (type == typeof(string)) {
string s = (string)obj;
DoSomethingWithString(s);
} // ...
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When is SQLiteOpenHelper onCreate() / onUpgrade() run?
...atabase file.
catch is the constructor
SQLiteOpenHelper(Context context, String name, SQLiteDatabase.CursorFactory factory, int version)
So when the database helper constructor is called with a name (2nd param), platform checks if the database exists or not and if the database exists, it gets th...