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Dump Mongo Collection into JSON format
... The mongoexport utility takes a collection and exports to either JSON or CSV. You can specify a filter for the query, or a list of fields to output
Read more here: http://www.mongodb.org/display/DOCS/mongoexport
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Smarty中date_format日期格式化详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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%% - 文字上的 `%' 字符。
而在smarty模板中，如$time是php文件中assign过来的时间戳，在模板文件中写法为：
<{$time|date_format:'%Y-%m-%d %H:%M:%S'}> ，同样对应的输出格式为：“年-月-日 时：分：秒”。
例子：
<?php
//导入自定义...
“for line in…” results in UnicodeDecodeError: 'utf-8' codec can't decode byte
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Try this to read using pandas
pd.read_csv('u.item', sep='|', names=m_cols , encoding='latin-1')
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How to get a password from a shell script without echoing
... not with /bin/sh, just to make this clear.
– Boris Däppen
Nov 26 '14 at 10:59
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I follow it up ...
How do I copy a string to the clipboard on Windows using Python?
...h Unicode characters too. I have tested characters ±°©©αβγθΔΨΦåäö to work on Win10 64-bit, with Python 3.5 and pyperclip 1.5.27.
– np8
Jul 3 '16 at 15:55
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When is layoutSubviews called?
...viour that these rules didn't describe perfectly.
– Pärserk
Jul 12 '16 at 15:53
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新手程序员应该知道的7件事 - 创意 - 清泛网 - 专注C/C++及内核技术
...刚开始编程的时候，对于计算机我有很多不明白的地方。文件系统，网络连接以及内存机制就是三个明显的例子。不了解这些，意味着我可能会不知道一些我想要呈现的编程结构的目标。”
2、知道命令行工具
作为一个开发人...
Removing all non-numeric characters from string in Python
...f456" if c.isdigit()) works in my python 3.4
– Eino Mäkitalo
Feb 14 '16 at 0:11
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Java 理论与实践: 线程池与工作队列 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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为什么要用线程池？
诸如 Web 服务器、数据库服务器、文件服务器或邮件服务器之类的许多服务器应用程序都面向处理来自某些远程来源的大量短小的任务。请求以某种方式到达服务器，这种方式可能是通过网络协议（例如 HT...
When to Redis? When to MongoDB? [closed]
... SQL-driven relational database: relational databases simplify to indexed CSV files, each file being a table; document stores simplify to indexed JSON files, each file being a document, with multiple files grouped together.
JSON files are similar in structure to XML and YAML files, and to dictiona...