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I recently discovered metaclasses in python.
Basically a metaclass in python is a class that creates a class. There are many useful reasons why you would want to do this - any kind of class initialisation for example. Registering classes on factories,...
Answer Snippets (Read the full thread at stackoverflow):
The idea of meta-meta-class doesn't mean much -- it's a meta-class for meta-....
At that point, it's just intent.
There's no higher level of abstractions.
That's a loop.
Also note that a meta-class is a class.
Patterns.
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This was observed on Mac OS X 10.5, running Terminal.app. On a native Linux machine, from a bash command prompt, typing meta-backspace deletes up until the most recent whitespace. On a Mac, it sounds the system bell.
SSHing into a Linux machine with Terminal...
Started by sludge on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at serverfault):
Hope this helps....
In Emacs 23, I do:
(setq mac-option-modifier 'meta)
to use option as meta.
The real solution to this problem is to use option as meta in the Terminal.app preferences and Emacs.
Feature-complete than Terminal.app.
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In Java, you often see a META-INF folder containing some meta files. What is the purpose of this folder and what can I put there?
Started by Kristian on
, 8 posts
by 8 people.
Answer Snippets (Read the full thread at stackoverflow):
Http://java.sun.com/j2se/1.3/docs/guide/jar/jar.html
The META-INF directory
The following files/directories in the META-INF directory are recognized and interpreted by the Java 2 Platform stores all the service provider configuration files....
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Ask your Facebook Friends
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Okay let me see if I can explain this right. In wordpress we have a box to insert an excerpt. We need to add a second excerpt box. Instead of manually adding a custom field to every post I have placed a function to automatically add a custom field in ...
Started by Matthew on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
:
$new_meta_value = nl2br($new_meta_value($meta_value)) { add_post_meta( $post_id, 'Second Excerpt', $new_meta_value, true ); } elseif(empty($new_meta_value....
Just add this line after $new_meta_value = ...
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What does the word mean?
Is it the same concept as in the cases below?
Template meta-programming in C++ meta-data in database or file systems
Started by Jinx on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
Template meta-programs are programs that produce programs, So this is another example....
For example, metadata: Wikipedia
This Wikipedia entry is pretty comprehensive .
In epistemology, the prefix meta- is used to mean about (its own category).
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Does anyone know of a free online tool that can crawl any given website and return just the Meta Keywords and Meta Description information?
Started by digiguru on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
ADDRESS
Then, for keywords:
egrep -r -h 'meta[^>]+name="keywords' * | sed 's/^.*content="\([^"]*\)".*$/\1/g'
and for descriptions:
egrep -r -h 'meta[^>]+name="description' * | sed 's/^.*content="\([^"]*\)".*$/\1/g'
If you want all....
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I am using emacs in Ubuntu. How can I remap META to the ALT key?
Started by David Brown on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
Use xkeycaps to look at your keyboard mapping and ... .
What is displayed in the echo area at the bottom of the Emacs window when you type Alt+X ? If you see M-x then Alt is working as Meta .
Usually Meta is mapped to the Alt key by default.
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Hi,
I was wondering what the logic is behind meta attribute. For example in asp.net for localization we can use something like this to localize a control :
<asp:Button ID="Button1" runat="server" Text="DefaultText" meta:resourcekey="Button1" />
...
Started by Tarik on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Want extra junk in your response then use “meta:”
Example:
<asp:Label id="myLabel" runat="server;/span>
with using meta:
<asp:Label id="myLabel" runat="server" text="hello" meta:myattribute="mello.
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I have a couple of blogs on Blogger and I would like to add the meta tags to them. How would I do this?
Started by Sohail Anwar on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at superuser):
If you wanted to add in description meta tags, you would use something like this:
<meta name="description....
Place your meta tags in between the "head" and "/head this, enter your META tags.
Under the layout tab, go to "Edit HTML".
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I want to apply the "ordering" Meta option to the Django model User from django.contrib.auth.models. Normally I would just put the Meta class in the model's definition, but in this case I did not define the model. So where do I put the Meta class to modify...
Started by hekevintran on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
You can either subclass User:
class OrderedUser(User): class Meta.
OrderedUser(User): class Meta: ordering = ["username"] proxy = True
Now normal User queries this article on how to accomplish this.
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