...o]', $str); preg_match('(^hello)', $str); preg_match('{^hello}', $str); // etc If your delimiter is found in the regular expression, you have to escape it: ereg('^/hello', $str); preg_match('/^\/hello/', $str); You can easily escape all delimiters and reserved characters in a string by using pr...

...y, write lesser code than otherwise required, get benefits of polymorphism etc. //an interface which means it can't have its own implementation. //You might need to use extension methods on this interface for that. public interface ValidatesAttribute<T> { T Value { get; } //or whatever t...

...ever __file__, or trying to walk through sys.path and search for yourself, etc. (unless you need to be backward compatible beyond 2.1). It's the inspect module—in particular, getfile or getsourcefile. Unless you want to learn and implement the rules (which are documented, but painful, for CPytho...

... On Debian with Apache 2: apt-get install php5-curl /etc/init.d/apache2 restart (php4-curl if it's php4) share | improve this answer | follow ...

...xtra cost, dedicated network connection between the two, more maintenance, etc.), especially for a small application, where neither piece is using too much CPU or memory? Even with two servers, with one server compromised, an attacker could still do serious damage, either by deleting the database, ...

...ring in network connections, database connection urls, usernames/passwords etc. If it were mutable, these parameters could be easily changed. Synchronization and concurrency: making String immutable automatically makes them thread safe thereby solving the synchronization issues. Caching: when compi...

...ut the values in a string with two decimal places (5 -> 5.00, 5.5 -> 5.50, etc). How can I do this in Python? 11 Answers ...

...ple what is one doing with "*p? Do I press Shift-', then Shift-8, then p, etc.? – T. Brian Jones Nov 7 '13 at 2:09 12 ...

... overrides all other servlets, including all servlets provided by the servletcontainer such as the default servlet and the JSP servlet. Whatever request you fire, it will end up in that servlet. This is thus a bad URL pattern for servlets. Usually, you'd like to use /* on a Filter only. It is able t...

...omeVariable?>). There are other template engines (such as Smarty, Twig, etc.) that make the syntax even more concise (e.g. {{someVariable}}). The primary benefit of using a template engine is keeping the design (presentation logic) separate from the coding (business logic). It also makes the code...