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What does $_ mean in PowerShell?
... in the pipe line, which is called $PSItem in Powershell 3 and newer.
1,2,3 | %{ write-host $_ }
or
1,2,3 | %{ write-host $PSItem }
For example in the above code the %{} block is called for every value in the array. The $_ or $PSItem variable will contain the current value.
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Breaking a list into multiple columns in Latex
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252
Using the multicol package and embedding your list in a multicols environment does what you wa...
Parse JSON in C#
...again), and thus you are creating an infinite recursion.
Properties (in 2.0) should be defined like such :
string _unescapedUrl; // <= private field
[DataMember]
public string unescapedUrl
{
get { return _unescapedUrl; }
set { _unescapedUrl = value; }
}
You have a private field a...
Can I read the hash portion of the URL on my server-side application (PHP, Ruby, Python, etc.)?
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12 Answers
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Test whether a Ruby class is a subclass of another class
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2 Answers
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How to detect duplicate values in PHP array?
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239
You can use array_count_values function
$array = array('apple', 'orange', 'pear', 'banana', '...
Sublime Text 2 - View whitespace characters
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662
To view whitespace the setting is:
// Set to "none" to turn off drawing white space, "selection...
How many bytes in a JavaScript string?
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String values are not implementation dependent, according the ECMA-262 3rd Edition Specification, each character represents a single 16-bit unit of UTF-16 text:
4.3.16 String Value
A string value is a member of the type String and is a
finite ordered sequence of zero or
more 16-bit unsigned...
Easiest way to convert int to string in C++
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28 Answers
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