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What is your favorite C programming trick? [closed]
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Where did he get 0x5f3759df from in the first place?
– RSH1
Oct 14 '11 at 16:23
2
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Why are global variables evil? [closed]
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@CorleyBrigman: singleton classes actually often suffer from the same problems typically attributed to globals :)
– Erik Kaplun
Oct 3 '13 at 13:40
4
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What is a singleton in C#?
... return _servers[r].ToString();
}
}
}
I took code from dofactory.com, nothing so fancy but I find this far good than examples with Foo and Bar additionally book from Judith Bishop on C# 3.0 Design Patterns has example about active application in mac dock.
If you look at cod...
Confused about Service vs Factory
... fn);
The difference between the three is that:
a's stored value comes from running fn , in other words: fn()
b’s stored value comes from newing fn, in other words: new fn()
c’s stored value comes from first getting an instance by newing fn, and then running a $get method of the instance
w...
What do people find difficult about C pointers? [closed]
From the number of questions posted here, it's clear that people have some pretty fundemental issues when getting their heads around pointers and pointer arithmetic.
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Is it possible to create static classes in PHP (like in C#)?
... /**
* Construct won't be called inside this class and is uncallable from
* the outside. This prevents instantiating this class.
* This is by purpose, because we want a static class.
*/
private function __construct() {}
private static $greeting = 'Hello';
private sta...
Recommendation for compressing JPG files with ImageMagick
... useful.
Source link: http://www.yuiblog.com/blog/2008/12/05/imageopt-4/
From @Fordi in the comments (don't forget to thumbs up his comment if you like):
If you dislike blurring, use -sampling-factor 4:2:0 instead. What this does is reduce the chroma channel's resolution to half, without messing w...
JMS and AMQP - RabbitMQ
...buted application to be loosely coupled, reliable, and asynchronous.
Now (from Wikipedia):
The Advanced Message Queuing Protocol (AMQP) is an open standard application layer protocol for message-oriented middleware. The
defining features of AMQP are message orientation, queuing, routing
(in...
Group by & count function in sqlalchemy
...counting says that for group_by queries it is better to use func.count():
from sqlalchemy import func
session.query(Table.column, func.count(Table.column)).group_by(Table.column).all()
share
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imp...
Can an html element have multiple ids?
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No. From the XHTML 1.0 Spec
In XML, fragment identifiers are of
type ID, and there can only be a
single attribute of type ID per
element. Therefore, in XHTML 1.0 the
id attribute is defined to be of type
ID. In orde...