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What does it mean when an HTTP request returns status code 0?
What does it mean when JavaScript network calls such as fetch or XMLHttpRequest, or any other type of HTTP network request, fail with an HTTP status code of 0?
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Get the client IP address using PHP [duplicate]
... $ipaddress = getenv('REMOTE_ADDR');
else
$ipaddress = 'UNKNOWN';
return $ipaddress;
}
$_SERVER is an array that contains server variables created by the web server.
// Function to get the client IP address
function get_client_ip() {
$ipaddress = '';
if (isset($_SERVE...
Reference assignment operator in PHP, =&
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It's not deprecated and is unlikely to be. It's the standard way to, for example, make part of one array or object mirror changes made to another, instead of copying the existing data.
It's called assignment by reference, which, to quote the manual, "mean...
Bare asterisk in function arguments?
What does a bare asterisk in the arguments of a function do?
6 Answers
6
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Converting a string to an integer on Android
...edited May 5 '16 at 14:55
CaptJak
3,45311 gold badge2525 silver badges4747 bronze badges
answered Apr 25 '10 at 18:01
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The split() method in Java does not work on a dot (.) [duplicate]
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Tiny
23.9k8484 gold badges290290 silver badges553553 bronze badges
answered Oct 28 '11 at 23:26
rob mayoffrob ...
Ways to save enums in database
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We never store enumerations as numerical ordinal values anymore; it makes debugging and support way too difficult. We store the actual enumeration value converted to string:
public enum Suit { Spade, Heart, Diamond, Club }
Suit theSuit = Suit.Heart;
szQuery = "INSERT INTO Customers (Name, Su...
How can I change property names when serializing with Json.net?
... DataSet object. I can serialize it right now using a Json.net converter like this
3 Answers
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Build tree array from flat array in javascript
I have a complex json file that I have to handle with javascript to make it hierarchical, in order to later build a tree.
Every entry of the json has :
id : a unique id,
parentId : the id of the parent node (which is 0 if the node is a root of the tree)
level : the level of depth in the tree
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Regular Expression to get a string between parentheses in Javascript
...ins the value between the parentheses
console.log(matches[1]);
Breakdown:
\( : match an opening parentheses
( : begin capturing group
[^)]+: match one or more non ) characters
) : end capturing group
\) : match closing parentheses
Here is a visual explanation on RegExplained
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