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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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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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(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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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...
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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Run php script as daemon process
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This will not restart the daemon if it fails, and there is no easy way to manage the daemon at all.
– Phil Wallach
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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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super() in Java
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super() calls the parent constructor with no arguments.
It can be used also with arguments. I...