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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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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...
Large Object Heap Fragmentation
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edited May 23 '17 at 12:02
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answered Mar 26 '09 at 19:10
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How to make an immutable object in Python?
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24 Answers
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Web deployment task build failed
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207
I encountered the same issue when building via TFS. When I tried to manually import the websit...
How do I add a path to PYTHONPATH in virtualenv
... basename works) in your virtualenv's site-packages folder, e.g. lib\python2.7\site-packages, with the absolute path to the directory containing your package as its only contents.
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improve th...
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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std::function vs template
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172
In general, if you are facing a design situation that gives you a choice, use templates. I stres...
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...