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What is a None value?

...ist.append(val) return list list1 = extendList(10) list2 = extendList(123,[]) list3 = extendList('a') print "list1 = %s" % list1 print "list2 = %s" % list2 print "list3 = %s" % list3 Now try to guess output of above list. Well, the answer is surprisingly as below: list1 = [10, 'a'] list2 = ...
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is_file or file_exists in PHP

...xists in directory or false if file not exists as I check in 2020 might be php version update it – heySushil Mar 29 at 16:43 add a comment  |  ...
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Hidden Features of VB.NET?

...5b" Like "a[L-P]#[!c-e]" ' The following statement returns True (does "BAT123khg" begin with a' ' "B", followed by any single character, followed by a "T", and end' ' with zero or more characters of any type?)' testCheck = "BAT123khg" Like "B?T*" ' The following statement returns False (does...
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How to send multiple data fields via Ajax? [closed]

...ttp://api.jquery.com/jquery.ajax/ $.ajax({ method: "POST", url: "some.php", data: { name: "John", location: "Boston" } }) .done(function( msg ) { alert( "Data Saved: " + msg ); }); share | ...
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PHP Sort Array By SubArray Value

...- $b["optionNumber"]; } ... usort($array, "cmp_by_optionNumber"); In PHP ≥5.3, you should use an anonymous function instead: usort($array, function ($a, $b) { return $a['optionNumber'] - $b['optionNumber']; }); Note that both code above assume $a['optionNumber'] is an integer. Use @St...
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Best Practices for Laravel 4 Helpers and Basic Functions?

... The ugly, lazy and awful way: At the end of bootstrap/start.php , add an include('tools.php') and place your function in that new file. The clean way: Create a library. That way it'll be autoloaded ONLY when you actually use it. Create a libraries folder inside your app folder Crea...
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java.util.regex - importance of Pattern.compile()?

...ch is really called a lot :) public class AmountValidator { //Accept 123 - 123,456 - 123,345.34 private static final String AMOUNT_REGEX="\\d{1,3}(,\\d{3})*(\\.\\d{1,4})?|\\.\\d{1,4}"; //Compile and save the pattern private static final Pattern AMOUNT_PATTERN = Pattern.compile(AM...
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Why would $_FILES be empty when uploading files to PHP?

...mpServer 2 installed on my Windows 7 computer. I'm using Apache 2.2.11 and PHP 5.2.11. When I attempt to upload any file from a form, it seems to upload, but in PHP, the $_FILES array is empty. There is no file in the c:\wamp\tmp folder. I have configured php.ini to allow file uploads and such...
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How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth

... Using phpseclib, a pure PHP RSA implementation... <?php include('Crypt/RSA.php'); $rsa = new Crypt_RSA(); $rsa->loadKey('-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA61BjmfXGEvWmegnBGSuS +rU9soUg2F...
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How to call function of one php file from another php file and pass parameters to it?

I want to call a function in one PHP file from a second PHP file and also pass two parameters to that function. How can I do this? ...