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What is the difference between statically typed and dynamically typed languages?
...cally-typed language with type inference).
Examples: Perl, Ruby, Python, PHP, JavaScript
Most scripting languages have this feature as there is no compiler to do static type-checking anyway, but you may find yourself searching for a bug that is due to the interpreter misinterpreting the type of a...
Why am I getting an OPTIONS request instead of a GET request?
...d an HTTP OPTIONS request header to the resource on the other
domain, in order to determine whether the actual request is safe to
send. Cross-site requests are preflighted like this since they may
have implications to user data. In particular, a request is
preflighted if:
It uses m...
How to compare two floating point numbers in Bash?
... then
echo "${FOO} > ${BAR}";
else
echo "${FOO} <= ${BAR}";
fi
Order of logical operators matters. Integer parts are compared as numbers and fractional parts are intentionally compared as strings. Variables are split into integer and fractional parts using this method.
Won't compare flo...
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 set the timeout for a JAX-WS webservice client?
...dpoint = new URL(null,
"http://myDomain/myWebService.php",
new URLStreamHandler() { // Anonymous (inline) class
@Override
protected URLConnection openConnection(URL url) throws IOException {
URL clo...
What is this weird colon-member (“ : ”) syntax in the constructor?
...re also a bunch of other reasons for using init lists. especially when the order of initialisation matters. It's a shame it has such a stupid fake function call syntax.
– Martin Beckett
Nov 10 '09 at 23:50
...
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
...
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 does the order in which libraries are linked sometimes cause errors in GCC?
Why does the order in which libraries are linked sometimes cause errors in GCC?
9 Answers
...
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...