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Interface or an Abstract Class: which one to use?
...{
public function eat() {
// peeling
// chew
}
}
Now I give you an apple and you eat it.
What does it taste like? It tastes like an apple.
<?php
$apple = new Apple();
$apple->eat();
// Now I give you a fruit.
$fruit = new Fruit();
$fruit->eat();
What does that...
Constructors vs Factory Methods [closed]
...ibility to one of several helper subclasses, and you want to localize the knowledge of which helper subclass is the delegate
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Add a prefix to all Flask routes
I have a prefix that I want to add to every route. Right now I add a constant to the route at every definition. Is there a way to do this automatically?
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What represents a double in sql server?
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You say float, David says decimal, now I am even more confused :)
– Xaisoft
Jul 30 '09 at 20:36
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ALTER TABLE without locking the table?
...'ve been using MySQL for so long that I keep forgetting they have triggers now. I've used this technique and now I have a functional hot-alter script. With a progress bar. And it works with MyISAM. Life is good.
– Daniel
Jan 21 '09 at 12:10
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jekyll markdown internal links
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You can now post internal links by using the following:
[Some Link]({% post_url 2010-07-21-name-of-post %})
This is also referenced in the Jekyll Documentation.
https://github.com/mojombo/jekyll/pull/369
...
Why can't I save CSS changes in Firebug? [closed]
...S and SAVE on local file system using Chrome Developer Tools
I tried it now and it works great highlighting the changed lines. Just click Save and you're done! :)
Here's a video explaining this and much more: Google I/O 2011: Chrome Dev Tools Reloaded
I hope it helps if it doesn't matter to you...
Mimicking sets in JavaScript?
...or somethings called ES 2015 has a built-in Set object. It is implemented now in some browsers. Since browser availability changes over time, you can look at the line for Set in this ES6 compatibility table to see the current status for browser availability.
One advantage of the built-in Set objec...
How to define a two-dimensional array?
...w, h = 8, 5;
Matrix = [[0 for x in range(w)] for y in range(h)]
You can now add items to the list:
Matrix[0][0] = 1
Matrix[6][0] = 3 # error! range...
Matrix[0][6] = 3 # valid
Note that the matrix is "y" address major, in other words, the "y index" comes before the "x index".
print Matrix[0]...
How to enable external request in IIS Express?
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There's a blog post up on the IIS team site now explaining how to enable remote connections on IIS Express. Here is the pertinent part of that post summarized:
On Vista and Win7, run the following command from an administrative prompt:
netsh http add urlacl url=http:/...