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Multi-line string with extra space (preserved indentation)
I want to write some pre-defined texts to a file with the following:
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How do you use String.substringWithRange? (or, how do Ranges work in Swift?)
I have not yet been able to figure out how to get a substring of a String in Swift:
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How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]
I'm getting a datetime string in a format like "2009-05-28T16:15:00" (this is ISO 8601, I believe). One hackish option seems to be to parse the string using time.strptime and passing the first six elements of the tuple into the datetime constructor, like:
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How to extract the first two characters of a string in shell scripting?
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How do I preserve line breaks when using jsoup to convert html to plain text?
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How to sort a dataframe by multiple column(s)
I want to sort a data.frame by multiple columns. For example, with the data.frame below I would like to sort by column z (descending) then by column b (ascending):
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How I can I lazily read multiple JSON values from a file/stream in Python?
I'd like to read multiple JSON objects from a file/stream in Python, one at a time. Unfortunately json.load() just .read() s until end-of-file; there doesn't seem to be any way to use it to read a single object or to lazily iterate over the objects.
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How to extract the decision rules from scikit-learn decision-tree?
Can I extract the underlying decision-rules (or 'decision paths') from a trained tree in a decision tree as a textual list?
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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
linux下iptables配置详解如果你的IPTABLES基础知识还不了解,建议先去看看.开始配置我们来配置一个filter表的防火墙.(1)查看本机关于IPTABLES的设置情况[root@tp ~]...如果你的IPTABLES基础知识还不了解,建议先去看看.
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How can I filter a date of a DateTimeField in Django?
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