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Java 8 functional interface with no arguments m>and m> no return value
What is the Java 8 functional interface for a method that takes nothing m>and m> returns nothing?
3 Answers
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Where can I get a list of Ansible pre-defined variables?
...at Ansible provide some pre-defined variables that we can use in plam>y m>books m>and m> template files. For example, the host ip address is ansible_eth0.ipv4.address. Googleing m>and m> searching the docs I cound't find a list of all available variables. Would someone list them for me?
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How to swap kem>y m>s m>and m> values in a hash
How do I swap kem>y m>s m>and m> values in a Hash?
6 Answers
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VIM + JSLint?
...tegration or do what I did:
Download http://jslint.webvm.net/mm>y m>lintrun.js m>and m> http://www.jslint.com/fulljslint.js
m>and m> put them in a directorm>y m> of m>y m>our choice.
Then add the following line to the beginning of mm>y m>lintrun.js:
var filename= arguments[0];
m>and m> change last line of code in mm>y m>lintrun.js (...
How to calculate time in hours between two dates in iOS
...nds-into-minutes
--edit: See ÐąrέÐέvil's answer below for correctlm>y m> hm>and m>ling dam>y m>light savings/leap seconds
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Using ls to list directories m>and m> their total sizes
... it possible to use ls in Unix to list the total size of a sub-directorm>y m> m>and m> all its contents as opposed to the usual 4K that (I assume) is just the directorm>y m> file itself?
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How to attach mm>y m> repo to heroku app
I create a heroku app m>and m> then mm>y m> machine crashed. I have a new machine. How do I attach mm>y m> existing app to heroku app. When I visit heroku page the url for mm>y m> app is like this
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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
...机：
iptables -A INPUT -i eth0 -p tcp -s 192.168.100.0/24 --dport 22 -m state --state NEW,ESTABLESHED -j ACCEPT
iptables -A OUTPUT -o eth0 -p tcp --sport 22 -m state --state ESTABLISHED -j ACCEPT
若要支持由本机通过SSH连接其他机器，由于在本机端口建立连接，因而还...
Is there a difference between /\s/g m>and m> /\s+/g?
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\s means "one space", m>and m> \s+ means "one or more spaces".
But, because m>y m>ou're using the /g flag (replace all occurrences) m>and m> replacing with the emptm>y m> string, m>y m>our two expressions have the same effect.
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Clean up a fork m>and m> restart it from the upstream
I have forked a repositorm>y m>, then I made some changes m>and m> it looks like I've messed up everm>y m>thing.
4 Answers
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