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How do I declare an array of weak references in Swift?
...lace(objects.map { WeakObject(object: $0) })
}
}
Usage
var alice: NSString? = "Alice"
var bob: NSString? = "Bob"
var cathline: NSString? = "Cathline"
var persons = WeakObjectSet<NSString>()
persons.addObject(bob!)
print(persons.allObjects) // [Bob]
persons.addObject(bob!)
print(person...
Package objects
...ge foo
package object bar {
// package wide constants:
def BarVersionString = "1.0"
// or type aliases
type StringMap[+T] = Map[String,T]
// can be used to emulate a package wide import
// especially useful when wrapping a Java API
type DateTime = org.joda.time.DateTime
type JLi...
Passing parameters to addTarget:action:forControlEvents
...ass something other than integers? what if I need to pass an object like a string?
– user102008
Apr 6 '11 at 22:55
@us...
How to extract img src, title and alt from html using php? [duplicate]
...eb page source code :
/* preg_match_all match the regexp in all the $html string and output everything as
an array in $result. "i" option is used to make it case insensitive */
preg_match_all('/<img[^>]+>/i',$html, $result);
print_r($result);
Array
(
[0] => Array
(
...
Flat file databases [closed]
... * Directory to store data.
*
* @since 1.0
*
* @var string
*/
protected $directory;
/**
* Constructor, duh.
*
* @since 1.0
* @uses $directory Holds the data directory, which the constructor sets.
*
* @param string $directory
*/...
C# “internal” access modifier when doing unit testing
...hing to consider might be a "ForTest" suffix:
internal void DoThisForTest(string name)
{
DoThis(name);
}
private void DoThis(string name)
{
// Real implementation
}
Then when you're using the class within the same project, it's obvious (now and in the future) that you shouldn't really be...
String formatting in Python 3
... old format syntax nor in the new, thus should be present in the generated string, unchanged.
– mgibsonbr
Mar 22 '19 at 5:45
...
PHP check whether property exists in object or class
...
property_exists( mixed $class , string $property )
if (property_exists($ob, 'a'))
isset( mixed $var [, mixed $... ] )
if (isset($ob->a))
isset() will return false if property is null
Example 1:
$ob->a = null
var_dump(isset($ob->a)); //...
What is the maximum value for an int32?
...67,996,680 till 1,867,996,689 of the decimal digits of Pi
The numeric string 2147483647 appears at the 1,867,996,680 decimal digit of Pi. 3.14......86181221809936452346214748364710527835665425671614...
source: http://www.subidiom.com/pi/
...
Sorting Python list based on the length of the string
I want to sort a list of strings based on the string length. I tried to use sort as follows, but it doesn't seem to give me correct result.
...