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Having options in argparse with a dash

...help='Directory with .log and .log.gz files') parser.add_argument('results-csv', type=argparse.FileType('w'), default=sys.stdout, help='Output .csv filename') args = parser.parse_args() print args # gives # Namespace(logs-dir='./', results-csv=<open file '...
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Boost.Asio的简单使用(Timer,Thread,Io_service类) - C/C++ - 清泛网 - 专注C/C++及内核技术

...时器上进行阻塞等待(blocking wait).实现,我们包含必要的头文件.所有的asio类可以简单的通过include "...目录: 1. 同步Timer 2. 异步Timer 3. 回调函数的参数 4. 成员函数作为回调函数 5. 多线程回调同步 6. TCP客户端:对准时间 7. TCP同...
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UnicodeDecodeError, invalid continuation byte

... I had the same error when I tried to open a CSV file by pandas.read_csv method. The solution was change the encoding to latin-1: pd.read_csv('ml-100k/u.item', sep='|', names=m_cols , encoding='latin-1') ...
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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

.../rc.d/init.d/iptables save 这样就可以写到/etc/sysconfig/iptables文件里了.写入后记得把防火墙重起一下,才能起作用. [root@tp ~]# service iptables restart 现在IPTABLES配置表里什么配置都没有了,那我们开始我们的配置吧 (3)设定预设规则 [ro...
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Keep only date part when using pandas.to_datetime

...es to datetime.date or datetime64[D] so that, when I write the data to CSV, the dates are not appended with 00:00:00 . I know I can convert the type manually element-by-element: ...
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What is the better API to Reading Excel sheets in java - JXL or Apache POI [closed]

...PIs is simpler to read/write/edit excel sheets ? Do these APIs not support CSV extensions ? 4 Answers ...
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廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术

...怎样呢? 这种方式有两个最重要的缺陷。由于Rsync是对文件进行操作,层次比价高,使用Rsync对文件夹进行同步,会占用大量的磁盘I/O和网络带宽。同时如果正在拷贝的文件在大量频繁的更改,Rsync将会变得无所适从而产生冲突...
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Import pandas dataframe column as string not int

I would like to import the following csv as strings not as int64. Pandas read_csv automatically converts it to int64, but I need this column as string. ...
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How to split() a delimited string to a List

... This will read a csv file and it includes a csv line splitter that handles double quotes and it can read even if excel has it open. public List<Dictionary<string, string>> LoadCsvAsDictionary(string path) { var re...
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Django - how to create a file and save it to a model's FileField?

...s certainly a good solution, but here is the way I went about generating a CSV and serving it from a view. Thought it was worth while putting this here as it took me a little bit of fiddling to get all the desirable behaviour (overwrite existing file, storing to the right spot, not creating duplica...