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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
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Both Perl and PHP use =>. I'd guess that Ruby, being heavily inspired by Perl, borrowed the syntax from Perl :)
– Daniel Serodio
Aug 7 '17 at 19:19
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What is an existential type?
...ing> mc1 = new MyClass("foo");
MyClass<Integer> mc2 = new MyClass(123);
MyClass<?> mc3 = MyClass.secretMessage();
From the perspective of a client of MyClass, T is universal because you can substitute any type for T when you use that class and you must know the actual type of T whe...
How to develop Desktop Apps using HTML/CSS/JavaScript? [closed]
...ery promising, looking at the documentation.
You can develop with Python, PHP or Ruby, and package it for Mac, Windows or Linux.
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What is a Proxy in Doctrine 2?
...doctrine can't create the object if it only has half of the properties. In php i am able to create an object even if i don't set all properties.
– sanders
Jul 20 '11 at 11:44
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Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
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Restarting nginx and php-fpm also released enough memory to allow mysql to start! Thanks!
– msEmmaMays
May 6 '13 at 17:15
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Delimiters in MySQL
...s it through a programming language API to MySQL. Some other clients like PHPMyAdmin have other methods to specify a non-default delimiter.
Example:
DELIMITER $$
/* This is a complete statement, not part of the procedure, so use the custom delimiter $$ */
DROP PROCEDURE my_procedure$$
/* Now start...
How do I create an HTML table with a fixed/frozen left column and a scrollable body?
... i also used jQuery to .clone() the table, once it has been generated by php+MySQL+ajax, and insert it into a cleaned out div...
– Peter
Mar 6 '18 at 22:27
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Change MySQL default character set to UTF-8 in my.cnf?
Currently we are using the following commands in PHP to set the character set to UTF-8 in our application.
18 Answers
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How to redirect to a 404 in Rails?
I'd like to 'fake' a 404 page in Rails. In PHP, I would just send a header with the error code as such:
11 Answers
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How to “perfectly” override a dict?
...e accepted answer remove the redundant dict?
– Seanny123
Mar 8 '17 at 5:23
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Two ways that immedi...