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Google Maps V3 - How to calculate the zoom level for a given bounds
...LOBE_WIDTH = 256; // a constant in Google's map projection
var west = <?php echo $minLng; ?>;
var east = <?php echo $maxLng; ?>;
*var north = <?php echo $maxLat; ?>;*
*var south = <?php echo $minLat; ?>;*
var angle = east - west;
if (angle < 0) {
angle += 360;
}
*var a...
How do I sort an observable collection?
...T>, IEquatable<T>
{
List<T> sorted = collection.OrderBy(x => x).ToList();
int ptr = 0;
while (ptr < sorted.Count - 1)
{
if (!collection[ptr].Equals(sorted[ptr]))
{
int idx = search(collection, ptr+1, so...
counting number of directories in a specific directory
...
Nice! How would you do this $ ls -l .vim with PHP? Or how to get only the total, without the list. I mean, in this case get only 52?
– Pathros
Mar 8 '17 at 18:32
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map vs. hash_map in C++
...
They are implemented in very different ways.
hash_map (unordered_map in TR1 and Boost; use those instead) use a hash table where the key is hashed to a slot in the table and the value is stored in a list tied to that key.
map is implemented as a balanced binary search tree (usuall...
Static/Dynamic vs Strong/Weak
...e it does not want to cast one type to the other implicitly.
whereas in PHP:
$str = 5 + "hello"; // equals 5 because "hello" is implicitly casted to 0
// PHP is weakly typed, thus is a very forgiving language.
Static typing allows for checking type correctness at compile time. Statically type...
Why is it said that “HTTP is a stateless protocol”?
...e. If we define statelessness as "not necessarily needing to have state in order to operate" (see dimo414's answer below listing options for state within HTTP cited from Wikipedia), and if we view each protocol strictly by itself and not based upon the layers below it, then yes, I can agree that HTT...
Good example of livelock?
...uld wait.
The proper fix is to always respect the lock heirarchy. Pick an order in which you acquire the locks and stick to that. For example if both threads always acquire lock1 before lock2, then there is no possibility of deadlock.
...
Why am I seeing an “origin is not allowed by Access-Control-Allow-Origin” error here? [duplicate]
...ot the case you cannot use jsonp and you MUST rely on a server side proxy (PHP, ASP, etc.). There are plenty of guides related to this topic, just google it!
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Access Control Request Headers, is added to header in AJAX request with jQuery
...r options are limited to what the browser allows you to do. You can't just order a browser that follows the CORS policy, which most browsers follow, to send random requests to other origins and allow you to get the response that simply!
Additionally, if you tried to edit some request headers manua...
How to replace multiple strings in a file using PowerShell
...ssue is that I had to read the entire file contents to a variable first in order to use the same source/destination file paths.
– angularsen
May 19 '15 at 11:25
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