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Difference between freeze and seal
... with sealed or frozen objects
Safari: sealed or frozen objects enumerate 92% slower (as of 2014)
Tests: Sealed objects, Frozen objects.
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(Deep) copying an array using jQuery [duplicate]
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288
Since Array.slice() does not do deep copying, it is not suitable for multidimensional arrays:
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jquery stop child triggering parent event
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answered Mar 2 '10 at 16:13
Nick Craver♦Nick Craver
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Merging two arrays in .NET
Is there a built in function in .NET 2.0 that will take two arrays and merge them into one array?
21 Answers
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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 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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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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super() in Java
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super() calls the parent constructor with no arguments.
It can be used also with arguments. I...
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...
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...