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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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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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Active
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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...
super() in Java
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267
super() calls the parent constructor with no arguments.
It can be used also with arguments. I...
How do I verify that an Android apk is signed with a release certificate?
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edited Jan 27 '17 at 20:05
Eugene
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What Process is using all of my disk IO
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162
You're looking for iotop (assuming you've got kernel >2.6.20 and Python 2.5). Failing that, ...
How to spyOn a value property (rather than a method) with Jasmine
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In February 2017, they merged a PR adding this feature, they released in April 2017.
so to spy on getters/setters you use:
const spy = spyOnProperty(myObj, 'myGetterName', 'get');
where myObj is your instance, 'myGetterName' is the nam...
How can I split a JavaScript string by white space or comma?
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239
String.split can also accept a regular expression:
input.split(/[ ,]+/);
This particular re...
jQuery Date Picker - disable past dates
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112
You must create a new date object and set it as minDate when you initialize the datepickers
<...
Hibernate Criteria returns children multiple times with FetchType.EAGER
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edited Feb 29 '12 at 1:03
answered Jan 3 '10 at 15:15
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