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What is the difference between '>' and a space in CSS selectors?
... #FFBA00 ;
}
<body>
<div>
<div>
<span>Hello...</span>
<p><span>Hello!</span></p>
</div>
<span>World!</span>
</div>
</body>
This one just selects the <span>Hello...</span&g...
mkdir's “-p” option
...ectories as needed
Use case example: Assume I want to create directories hello/goodbye but none exist:
$mkdir hello/goodbye
mkdir:cannot create directory 'hello/goodbye': No such file or directory
$mkdir -p hello/goodbye
$
-p created both, hello and goodbye
This means that the command will cre...
Understanding Magento Block and Block Type
...dName = 'mymodule'
app>local>namespace>modulename>Block>hello.php
in hello.php you created a function
class namespace_modulename_Block_Data extends Mage_Core_Block_Template
{
public function mydata()
{
$data = "Block is called";
return...
Check whether variable is number or string in JavaScript
...with literal notation, and not constructors, you can use typeof:.
typeof "Hello World"; // string
typeof 123; // number
If you're creating numbers and strings via a constructor, such as var foo = new String("foo"), you should keep in mind that typeof may return object for foo.
Perhaps...
How to check if a string “StartsWith” another string?
... and JavaScript engines that already have it), you can use it like this:
"Hello World!".startsWith("He"); // true
var haystack = "Hello world";
var prefix = 'orl';
haystack.startsWith(prefix); // false
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...
How to copy data to clipboard in C#
How can I copy a string (e.g "hello") to the System Clipboard in C#, so next time I press CTRL+V I'll get "hello"?
5 Answ...
Get url parameters from a string in .NET
...a bunch of malformed URLs however. It might break on some/all of these:
hello.html?
hello.html?valuelesskey
hello.html?key=value=hi
hello.html?hi=value?&b=c
etc
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...
Operator overloading in Java
...mming languages) doesn't respect this common mathematical notation.
a := "hello";
b := "world";
c := (a + b = b + a);
or in Java:
String a = "hello";
String b = "world";
boolean c = (a + b).equals(b + a);
Extra:
Notice how in Java equality and identity are confused.
The == (equality) symbol me...
How to output in CLI during execution of PHP Unit tests?
...tOutputString(''); // tell PHPUnit to expect '' as output
print_r("Hello World");
print "Ping";
echo "Pong";
$out = "Foo";
var_dump($out);
}
}
gives:
PHPUnit @package_version@ by Sebastian Bergmann.
F
Time: 1 second, Memory: 3.50Mb
There was 1 fai...
jQuery AJAX cross domain
...ill vary from language to language, of course. Here it is in Rails:
class HelloController < ApplicationController
def say_hello
headers['Access-Control-Allow-Origin'] = "*"
render text: "hello!"
end
end
In this example, the say_hello action will accept AJAX requests from any domain...