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Rails find_or_create_by more than one attribute?
...ll of these were factored out of rails just the attribute specific ones.
https://github.com/rails/rails/blob/4-2-stable/guides/source/active_record_querying.md
Example
GroupMember.find_or_create_by_member_id_and_group_id(4, 7)
became
GroupMember.find_or_create_by(member_id: 4, group_id: 7)
...
iOS: how to perform a HTTP POST request?
...
I'd highly recommend using the ASIHTTPRequest library if you are handling HTTPS. Even without https it provides a really nice wrapper for stuff like this and whilst it's not hard to do yourself over plain http, I just think the library is nice and a great way to get started.
The HTTPS complication...
Django Model - Case-insensitive Query / Filtering
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How to map calculated properties with JPA and Hibernate
...about custom subquery providers which might be interesting to you as well: https://blazebit.com/blog/2017/entity-view-mapping-subqueries.html
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How do I automatically update a timestamp in PostgreSQL
...values changed
Based on E.J's link and add a if statement from this link (https://stackoverflow.com/a/3084254/1526023)
CREATE OR REPLACE FUNCTION update_modified_column()
RETURNS TRIGGER AS $$
BEGIN
IF row(NEW.*) IS DISTINCT FROM row(OLD.*) THEN
NEW.modified = now();
RETURN NEW;
...
What is the “main file” property when doing bower init?
...
According to Bower's JSON Specification (https://github.com/bower/spec/blob/master/json.md#main), the "main" property is used to list the files primarily used in the project. The files listed are not actually used by Bower in any way, they are apparently there for t...
How can I catch a “catchable fatal error” on PHP type hinting?
...'s still a Throwable and can be handled with a normal try-catch block. see https://wiki.php.net/rfc/throwable-interface
E.g.
<?php
class ClassA {
public function method_a (ClassB $b) { echo 'method_a: ', get_class($b), PHP_EOL; }
}
class ClassWrong{}
class ClassB{}
class ClassC extends ClassB...
Evaluate if list is empty JSTL
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Persistent :set syntax for a given filetype?
...syntax highlighting working with Twig / Symfony 2
I suggest you check out https://github.com/beyondwords/vim-twig (not mine), which provides:
the syntax highlighting file for *.html.twig,
file type detection for same, and
file type plugin, allowing you to modify various settings as required whe...
Build a simple HTTP server in C [closed]
...r), "a tiny, safe web server [...] with only 200 lines of C source code":
https://drive.google.com/file/d/0B3msld7qnNOhN1NXaFIwSFU2Mjg/view?usp=sharing
http://www.ibm.com/developerworks/systems/library/es-nweb/
The article includes pseudocode, explanations, and comments.
EDIT: IBM's link has died...