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Better way to check variable for null or empty string?
...
I'll humbly accept if I'm wrong, but I tested on my own end and found that the following works for testing both string(0) "" and NULL valued variables:
if ( $question ) {
// Handle success here
}
Which could also be reversed to test for success as such:
if ...
Convert a PHP object to an associative array
...
class Test{
const A = 1;
public $b = 'two';
private $c = test::A;
public function __toArray(){
return call_user_func('get_object_vars', $this);
}
}
$my_test = new Test();
var_dump((array)$my_test);
var...
Best practice to mark deprecated code in Ruby?
... ability to execute deprecated code.
require 'lib/deprecated.rb'
require 'test/unit'
# this class is used to test the deprecate functionality
class DummyClass
def monkey
return true
end
deprecate :monkey
end
# we want exceptions for testing here.
Deprecate.set_action(:throw)
class Dep...
Check if string begins with something? [duplicate]
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Here is a test case for this: jsperf.com/starts-with/2 . Substring method appears to be the fastest on my machine (with V8).
– Pijusn
Jul 20 '13 at 19:34
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Is there any difference between “foo is None” and “foo == None”?
...me as:
if x is not None:
# do something
The former is a boolean value test and can evaluate to false in different contexts. There are a number of things that represent false in a boolean value tests for example empty containers, boolean values. None also evaluates to false in this situation but...
CodeIgniter: Create new helper?
...EPATH')) exit('No direct script access allowed');
if ( ! function_exists('test_method'))
{
function test_method($var = '')
{
return $var;
}
}
Save this to application/helpers/ . We shall call it "new_helper.php"
The first line exists to make sure the file cannot be include...
What are the dangers when creating a thread with a stack size of 50x the default?
...
Upon comparing test code with Sam, I determined that we are both right!
However, about different things:
Accessing memory (reading and writing) is just as fast wherever it is - stack, global or heap.
Allocating it, however, is fastest...
How in node to split string by newline ('\n')?
...de to split string by newline ('\n') ?
I have simple string like var a = "test.js\nagain.js" and I need to get ["test.js", "again.js"] .
I tried
...
Detect Safari browser
...t Safari with this regex:
var isSafari = /^((?!chrome|android).)*safari/i.test(navigator.userAgent);
It uses negative look-arounds and it excludes Chrome, Edge, and all Android browsers that include the Safari name in their user agent.
...
ObservableCollection not noticing when Item in it changes (even with INotifyPropertyChanged)
...entArgs args) : this(index, args.PropertyName)
{ }
}
}
NUnit Tests
So you can check changes you might make (and see what I tested in the first place!), I've also included my NUnit test class. Obviously, the following code is not necessary just to use FullyObservableCollection<T>...