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What is the difference between bottom-up and top-down?
........... + fib(2)
fib(2)......... + fib(1) fib(1)........... + fib(0)
fib(1) + fib(0) fib(1) fib(1) fib(0)
fib(1) fib(0)
BOTTOM of the tree
(In some other rare problems, this tree could be infinite in some branches, representing non-termination, and thus the b...
One line ftp server in python
...rAli Afshar
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4
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Creating a copy of an object in C# [duplicate]
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120
There is no built-in way. You can have MyClass implement the IClonable interface (but it is sort...
$.focus() not working
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402
Actually the example you gave for focusing on this site works just fine, as long as you're not ...
Performance surprise with “as” and nullable types
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10 Answers
10
Active
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Get the current language in device
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Michael Myers♦
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answered Nov 18 '10 at 7:07
DeRaganDeRagan
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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...
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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Check if PHP session has already started
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Recommended way for versions of PHP >= 5.4.0 , PHP 7
if (session_status() == PHP_SESSION_NONE) {
session_start();
}
Reference: http://www.php.net/manual/en/function.session-status.php
For versions of PHP < 5.4.0
if(session_id() == '') {
session_start()...
A Space between Inline-Block List Items [duplicate]
...wers and comments, the best practice for solving this is to add font-size: 0; to the parent element:
ul {
font-size: 0;
}
ul li {
font-size: 14px;
display: inline-block;
}
This is better for HTML readability (avoiding running the tags together etc). The spacing effect is because of ...