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Backporting Python 3 open(encoding=“utf-8”) to Python 2

...er in Python 2: If you only need to support Python 2.6 and 2.7 you can use io.open instead of open. io is the new io subsystem for Python 3, and it exists in Python 2,6 ans 2.7 as well. Please be aware that in Python 2.6 (as well as 3.0) it's implemented purely in python and very slow, so if you nee...
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Get java.nio.file.Path object from java.io.File

Is it possible to get a Path object from a java.io.File ? 4 Answers 4 ...
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“The run destination iOS Device is not valid for running the scheme”

I've been running my app on an iPhone 5 /iOS 6, but when I try to run it on an iPhone 4S / iOS6 I get "The run destination iOS Device is not valid for running the scheme NN. The Scheme contains no buildables that can be built for the architectures supported by the run designation device". ...
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How do I get an ISO 8601 date on iOS?

... iOS 10 introduces a new NSISO8601DateFormatter class to handle just this. If you're using Swift 3, your code would be something like this: let formatter = ISO8601DateFormatter() let date = formatter.date(from: "2016-08-26T12...
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How do I combine a background-image and CSS3 gradient on the same element?

...d post on why you don't need multiple browser prefixes, see http://codepen.io/thebabydino/full/pjxVWp/ Layer Stack It should be noted that the first defined image will be topmost in the stack. In this case, the image is on TOP of the gradient. For more information about background layering see ht...
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How to create a new java.io.File in memory?

How can I create new File (from java.io ) in memory, not on the hard disk? 3 Answers ...
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linux下iptables配置详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术

....如web(80端口)连接. 按照我写的,你只要找到QQ,MSN等其他软件的IP地址,和端口,以及基于什么协议,只要照着写就行了. 最后: drop非法连接 [root@tp ~]# iptables -A INPUT -m state --state INVALID -j DROP [root@tp ~]# iptables -A OUTPUT -m state -...
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Detect backspace in empty UITextField

... may work on iPhone > 3.1.3, but it's hacky and may break on future versions, etc. I think I found a cleaner, more stable solution for how to detect a delete keyboard key press on the iPhone/iOS. – ma11hew28 Jul 9 '11 at 22:24 ...
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force client disconnect from server with socket.io and nodejs

Is there any way to disconnect a client with SocketIO, and literally close the connection? So if someone is connected to my server, and I want to close the connection between them and my server, how would I go about doing that? ...
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内存优化总结:ptmalloc、tcmalloc和jemalloc - 操作系统(内核) - 清泛网 - ...

... 作为glibc malloc的替代品。目前已经在chrome、safari等知名软件中运用。 根据官方测试报告,ptmalloc在一台2.8GHz的P4机器上(对于小对象)执行一次malloc及free大约需要300纳秒。而TCMalloc的版本同样的操作大约只需要50纳秒。 小对象...