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String length in bytes in JavaScript
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This string I remember testing on php is 14
– May Weather VN
Jul 18 at 10:19
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How to check if PHP array is associative or sequential?
PHP treats all arrays as associative, so there aren't any built in functions. Can anyone recommend a fairly efficient way to check if an array contains only numeric keys?
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Haskell composition (.) vs F#'s pipe forward operator (|>)
...ralizing let-bindings are sufficiently different as to affect this. For example, I know in F# sometimes writing
let f = exp
will not compile, and you need explicit eta-conversion:
let f x = (exp) x // or x |> exp
to make it compile. This also steers people away from points-free/composi...
How to write log to file
...aryapp >> binaryapp.log
overwrite stderr into a file
./binaryapp &> binaryapp.error.log
append stderr into a file
./binaryapp &>> binalyapp.error.log
it can be more dynamic using shell script file.
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PHP session lost after redirect
How do I resolve the problem of losing a session after a redirect in PHP?
35 Answers
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How to get a cross-origin resource sharing (CORS) post request working
...where example.com is hosted), set these headers (added some sample code in PHP):
header('Access-Control-Allow-Origin: https://not-example.com');
header('Access-Control-Allow-Credentials: true');
header('Access-Control-Max-Age: 604800');
header("Content-type: application/json");
$array = array("ok" ...
PHP random string generator
I'm trying to create a randomized string in PHP, and I get absolutely no output with this:
59 Answers
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What is the difference between the | and || or operators?
I have always used || (two pipes) in OR expressions, both in C# and PHP. Occasionally I see a single pipe used: | . What is the difference between those two usages? Are there any caveats when using one over the other or are they interchangeable?
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How do you remove an array element in a foreach loop?
... use($found_tag){
return $e != $found_tag['name'];
});
As the php documentation reads:
As foreach relies on the internal array pointer in PHP 5, changing it within the loop may lead to unexpected behavior.
In PHP 7, foreach does not use the internal array pointer.
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The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead [dupl
When I attempt to connect to a MySQL server from PHP, I see the following error:
1 Answer
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