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What is the difference between window, screen, and document in Javascript?
...at about the document object then? The document object is your html, aspx, php, or other document that will be loaded into the browser. The document actually gets loaded inside the window object and has properties available to it like title, URL, cookie, etc. What does this really mean? That means i...
Using OpenSSL what does “unable to write 'random state'” mean?
...
Yes, if you run from php web server, the user is www-data, and you should add "export" before every openssl: shell_exec('export RANDFILE=".rnd";openssl ecparam -genkey -name secp256k1'))
– diyism
Jun 21 '13...
Scalar vs. primitive data type - are they the same thing?
...ce of scalars and primitives, it depends on the language. According to the PHP manual, for example, only half of its primitive types are scalars: php.net/manual/en/language.types.intro.php
– Joe Bowbeer
May 16 '16 at 18:36
...
What is the best regular expression to check if a string is a valid URL?
...EFFFD}!\$&'\(\)\*\+,;=:@])|[\/\?])*)?)$/i
How they were compiled (in PHP):
<?php
/* Regex convenience functions (character class, non-capturing group) */
function cc($str, $suffix = '', $negate = false) {
return '[' . ($negate ? '^' : '') . $str . ']' . $suffix;
}
function ncg($str, $...
How do I match any character across multiple lines in a regular expression?
..., but there should be a modifier that you can add to the regex pattern. In PHP it is:
/(.*)<FooBar>/s
The s at the end causes the dot to match all characters including newlines.
share
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imp...
Difference between \w and \b regular expression meta characters
...javascriptkit.com/javatutors/redev2.shtml
http://www.virtuosimedia.com/dev/php/37-tested-php-perl-and-javascript-regular-expressions
http://www.i-programmer.info/programming/javascript/4862-master-javascript-regular-expressions.html
I found this to be a very useful book:
Mastering Regular Expres...
Can anyone explain what JSONP is, in layman terms? [duplicate]
...p; xhr.status == 200) {
// success
};
};
xhr.open("GET", "somewhere.php", true);
xhr.send();
JSONP Request:
var tag = document.createElement("script");
tag.src = 'somewhere_else.php?callback=foo';
document.getElementsByTagName("head")[0].appendChild(tag);
The difference between a JSON...
https connection using CURL from command line
...e call to allow insecure connections.
curl -k https://whatever.com/script.php
Edit: I discovered the root of the problem. I was using an SSL certificate (from StartSSL, but I don't think that matters much) and hadn't set up the intermediate certificate properly. If you're having the same problem ...
Facebook Open Graph not clearing cache
...ER['HTTP_HOST'].'/'.$user_photo;
<meta property="og:url" content="<?php echo $url; ?>"/>
<meta property="og:image" content="<?php echo $user_photo; ?>"
Just add this to your page:
// with jQuery
$.post(
'https://graph.facebook.com',
{
id: '<?php echo $url;...
Precedence and bitmask operations
...
Seems to me that PHP has strnage operator precedence overall.
– Alvin Wong
Feb 24 '14 at 10:11
...