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How do I read an attribute on a class at runtime?
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edited Apr 16 '10 at 22:01
answered Apr 16 '10 at 21:30
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Rails: How can I set default values in ActiveRecord?
...n which you find the model. If you just want to initialize some numbers to 0 then this is not what you want.
Defining defaults in your migration also works part of the time... As has already been mentioned this will not work when you just call Model.new.
Overriding initialize can work, but don't for...
Redis消息通知系统的实现 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
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<?php
class RedisClient extends Redis
{
const POSITION_FIRST = 0;
const POSITION_LAST = -1;
public function zPop($zset)
{
return $this->zsetPop($zset, self::POSITION_FIRST);
}
public function zRevPop($zset)
{
return $this->zsetPop($zset...
How do I associate file types with an iPhone application?
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410
File type handling is new with iPhone OS 3.2, and is different than the already-existing custom ...
How to set a bitmap from resource
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edited Apr 4 '14 at 12:20
Pratik Butani
45.9k4343 gold badges214214 silver badges342342 bronze badges
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Android Bitmap to Base64 String
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305
use following method to convert bitmap to byte array:
ByteArrayOutputStream byteArrayOutputStr...
Performance surprise with “as” and nullable types
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10 Answers
10
Active
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What is the “right” way to iterate through an array in Ruby?
...with_index {|val, index| puts "#{val} => #{index}" }
Prints:
A => 0
B => 1
C => 2
I'm not quite sure from your question which one you are looking for.
share
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Git Commit Messages: 50/72 Formatting
...lar Git commit message style in his blog post:
http://www.tpope.net/node/106 .
5 Answers
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How to print an exception in Python?
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edited Aug 16 '18 at 8:01
Jan
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answered Sep 27 '09 at 12:19
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