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What is the !! (not not) operator in JavaScript?
...bject is truthy
!![] === true // an (empty) array is truthy; PHP programmers beware!
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How to convert a number to string and vice versa in C++
...roduced in header charconv.
std::to_chars is locale-independent, non-allocating,
and non-throwing.
Only a small subset of formatting policies used by
other libraries (such as std::sprintf) is provided.
From std::to_chars, same for std::from_chars.
The guarantee that std::f...
How do I unset an element in an array in javascript?
...ipt Arrays are not associative arrays like those you might be used to from PHP. If your "array key" is a string, you're no longer operating on the contents of an array. Your array is an object, and you're using bracket notation to access the member named <key name>. Thus:
var myArray = [];
m...
Encrypt Password in Configuration Files? [closed]
... Never use it for that. These days, Argon2 is best. See owasp.org/index.php/Password_Storage_Cheat_Sheet and paragonie.com/blog/2016/02/how-safely-store-password-in-2016
– Kimball Robinson
Jul 22 '16 at 18:52
...
Choosing a stand-alone full-text search server: Sphinx or SOLR? [closed]
... Solr has many response writers other than xml, including JSON, PHP, Ruby, Python and a java binary format: lucene.apache.org/solr/api/org/apache/solr/request/…
– Mauricio Scheffer
Aug 16 '09 at 20:59
...
Convert JS Object to form data
...(key, item[key]);
}
$.ajax({
url : 'http://example.com/upload.php',
data : form_data,
processData : false,
contentType : false,
type: 'POST'
}).done(function(data){
// do stuff
});
There are more examples in the documentation on MDN
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jquery $(window).height() is returning the document height
...ag must be the very first thing in your document. E.g., you can't have any php code before it, even if it doesn't render anything." How can this possibly be? The browser doesn't know what the server is running, it only receives a text file with HTML markup. What if you are running IIS and not Apa...
How to calculate md5 hash of a file using javascript
... I've managed to get this working and the same md5 hash is generating (php: md5_file(...)) for text files but images are giving me different results? Is this something to do with the binary data or the way its uploaded?
– Castles
Apr 26 '11 at 15:16
...
How to find gaps in sequential numbering in mysql?
...". $MAX ." WHERE seq not in (SELECT column FROM table)" my syntax is php based
– me_
Oct 24 '17 at 23:57
...
Is memcached a dinosaur in comparison to Redis? [closed]
...thanks for your post. I will definitely check it out. Can i use Membase in PHP?
– Industrial
Aug 27 '10 at 14:27
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