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How can I check if a Perl array contains a particular value?
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edited Sep 10 '15 at 22:43
answered Jun 25 '11 at 1:59
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Preferred way to create a Scala list
...end operation will not create a new list?
– Kevin Meredith
Aug 24 '15 at 0:49
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Get operating system info
...SER_AGENT']."");
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Footnotes:
(Jan. 19/14) There was a suggested edit on Jan. 18, 2014 to add /msie|trident/i by YJSoft a new member on SO.
The comment read as:
Comment: because msie11's ua doesn't include msie (it includes trident instead)
I researched this for a bit, and found a few l...
Converting Long to Date in Java returns 1970
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edited May 24 '13 at 19:55
answered Sep 20 '11 at 15:10
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How to list all installed packages and their versions in Python?
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edited Jul 9 '14 at 19:28
answered Oct 17 '12 at 17:31
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How can I print the contents of a hash in Perl?
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edited Nov 3 '12 at 11:25
hippietrail
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How to make a Python script run like a service or daemon in Linux
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edited Jul 5 '19 at 13:38
Davide Cannizzo
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Why shouldn't I use mysql_* functions in PHP?
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edited Jul 21 '19 at 10:15
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how to create a file name with the current date & time in python?
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edited May 15 '12 at 22:22
answered May 15 '12 at 19:48
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理解Python的 with 语句 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...hat the statement after with has to evaluate an object that responds to an __enter__() as well as an __exit__() function.
这看起来充满魔法，但不仅仅是魔法，Python对with的处理还很聪明。基本思想是with所求值的对象必须有一个__enter__()方法，一个__exit__()...