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See what process is using a file in Mac OS X
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90
lsof will list open files, but it can be a bit awkward for momentary touches (eg, if the file is...
Enum “Inheritance”
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This is not possible. Enums cannot inherit from other enums. In fact all enums must actually inherit from System.Enum. C# allows syntax to change the underlying representation of the enum values which looks like inheritance, but in actuality they still inherit from S...
9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...p发来的包丢弃：
BLOCK_THIS_IP="x.x.x.x"
iptables -A INPUT -i eth0 -p tcp -s "$BLOCK_THIS_IP" -j DROP
以上命令设置将由x.x.x.x ip发往eth0网口的tcp包丢弃。
4.配置服务项
利用iptables，我们可以对日常用到的服务项进行安全管理，比如设定只能...
UIPopovercontroller dealloc reached while popover is still visible
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203
UIPopoverControllers should always be held in an instance variable. It is a good practice to cr...
How to set environment variables from within package.json
How to set some environment variables from within package.json to be used with npm start like commands?
14 Answers
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Is there a case insensitive jQuery :contains selector?
...Contains : "jQuery(a).text().toUpperCase().indexOf(m[3].toUpperCase())>=0"
});
This will extend jquery to have a :Contains selector that is case insensitive, the :contains selector remains unchanged.
Edit: For jQuery 1.3 (thanks @user95227) and later you need
jQuery.expr[':'].Contains = func...
Split list into multiple lists with fixed number of elements
...esult to a list,
scala> List(1,2,3,4,5,6,"seven").grouped(4).toList
res0: List[List[Any]] = List(List(1, 2, 3, 4), List(5, 6, seven))
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Doctrine and composite unique keys
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edited Sep 12 '18 at 10:02
Radu
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answered Sep...
How to style a div to be a responsive square? [duplicate]
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190
To achieve what you are looking for you can use the viewport-percentage length vw.
Here is a qu...
How to ignore whitespace in a regular expression subject string?
... Chris
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answered Jan 4 '11 at 3:06
Sam DufelSam Dufel
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