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Function pointers, Closures, and Lambda
...implementations are almost identical.
This observation led to a wisecrack from Henry Baker:
People in the Algol/Fortran world complained for years that they didn't understand what possible use function closures would have in efficient programming of the future. Then the `object oriented program...
How to convert date to timestamp?
...
Instead of converting the date string from "European" to "American" format, it's better to convert it to ISO 8601 format (YYYY-MM-DD), which is guaranteed to be understood by Date(), and is, generally speaking, the most interoperable format for date strings.
...
How to kill a process running on particular port in Linux?
I tried to close the tomcat using ./shutdown.sh from tomcat /bin directory. But found that the server was not closed properly. And thus I was unable to restart My tomcat is running on port 8080 .
...
How do I sort an NSMutableArray with custom objects in it?
... Perhaps, but I don't think it would be any less readable to someone from a Java background who might be looking for something similar to Java's abstract Comparator class, which implements compare(Type obj1, Type obj2).
– Alex Reynolds
Apr 30 '09 at 6:51
...
How do you delete an ActiveRecord object?
... 'value') will allow you to delete records
without a primary key
Note: from @hammady's comment, user.destroy won't work if User model has no primary key.
Note 2: From @pavel-chuchuva's comment, destroy_all with conditions and delete_all with conditions has been deprecated in Rails 5.1 - see gui...
What does the Subversion status symbol “~” mean?
...w without a .svn file. Any idea on how to fix that? Do I need to delete it from subversion and add it again?
– jergason
May 12 '09 at 15:47
...
Sending a JSON to server and retrieving a JSON in return, without JQuery
...g PHP
//
header("Content-Type: application/json");
// build a PHP variable from JSON sent using POST method
$v = json_decode(stripslashes(file_get_contents("php://input")));
// build a PHP variable from JSON sent using GET method
$v = json_decode(stripslashes($_GET["data"]));
// encode the PHP varia...
Disable Rails SQL logging in console
...ion I consider somewhat cleaner, that still allows potential other logging from AR. In config/environments/development.rb :
config.after_initialize do
ActiveRecord::Base.logger = Rails.logger.clone
ActiveRecord::Base.logger.level = Logger::INFO
end
...
Difference between path.normalize and path.resolve in Node.js
...ove would've been ../node, because that's the shortest path one could take from /Users/mtilley/src/testing to /Users/mtilley/src/node.
Ironically, this means that path.resolve() produces a relative path in absolute terms (you could execute it anywhere, and it would produce the same result), whereas...
How to make a Java Generic method static?
...h other.
So, what does this mean:
In my answer <E> would hide the E from ArrayUtils<E> if the method wouldn't be static. AND <E> has nothing to do with the E from ArrayUtils<E>.
To reflect this fact better, a more correct answer would be:
public static <I> I[] append...