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Tips for debugging .htaccess rewrite rules
...Firefox, you can use the User Agent Switcher to create the fake user agent string and test.
2. Do not use 301 until you are done testing
I have seen so many posts where people are still testing their rules and they are using 301's. DON'T.
If you are not using suggestion 1 on your site, not o...
Why is parenthesis in print voluntary in Python 2.7?
..., expr2, ... exprn
(Each expression in turn is evaluated, converted to a string and displayed with a space between them.)
But remember that putting parentheses around an expression is still the same expression.
So you can also write this as:
print (expr1), (expr2), ... (expr3)
This has nothin...
This Row already belongs to another table error when trying to add rows?
...lumn("ID", typeof(int));
DataColumn dcName = new DataColumn("Name", typeof(string));
dtSpecificOrders.Columns.Add(dtID);
dtSpecificOrders.Columns.Add(dcName);
DataRow[] orderRows = dt.Select("CustomerID = 2");
foreach (DataRow dr in orderRows)
{
DataRow myRow = dtSpecificOrders.NewRow(); // &...
Get the current fragment object
...r.onAttachFragment(fragment);
Toast.makeText(getApplicationContext(), String.valueOf(fragment.getId()), Toast.LENGTH_SHORT).show();
}
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fol...
Perform .join on value in array of objects
If I have an array of strings, I can use the .join() method to get a single string, with each element separated by commas, like so:
...
java.net.UnknownHostException: Invalid hostname for server: local
...ther. Everything was right.
The Solution
Not calling trim() for the host string which contained whitespace. In writing a proxy server the host was obtained from HTTP headers with the use of split(":") by semicolons for the HOST header. This left whitespace, and causes the UnknownHostException as a...
Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
...s, so they are defined in such a way that the beginning and the end of the string have working zero-length expressions.
array[4, 0] = :sandwich
array[0, 0] = :crunchy
=> [:crunchy, :peanut, :butter, :and, :jelly, :sandwich]
...
Using jquery to get element's position relative to viewport
...lculates the position of a given element within the viewport
*
* @param {string} obj jQuery object of the dom element to be monitored
* @return {array} An array containing both X and Y positions as a number
* ranging from 0 (under/right of viewport) to 1 (above/left of viewport)
*/
function vis...
jQuery how to find an element based on a data-attribute value?
...e descendants of that element, but using the filter syntax in the selector string will simply filter the results.
– Phil
Oct 5 '16 at 11:51
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Compiler Ambiguous invocation error - anonymous method and method group with Func or Action
...ion of your program:
class Program
{
delegate void D1();
delegate string D2();
static string X() { return null; }
static void Y(D1 d1) {}
static void Y(D2 d2) {}
static void Main()
{
Y(X);
}
}
So let's go through it line by line.
An implicit conversion ...