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The cause of “bad magic number” error when loading a workspace and how to avoid it?
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So did I, when I accidentally used load() instead of read.csv(). :p
– Waldir Leoncio
Feb 12 '14 at 19:31
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Ruby: What is the easiest way to remove the first element from an array?
...eful when extracting info without an aditional step header, *properties = CSV.read(file_path,encoding: 'ISO-8859-1')
– juliangonzalez
Feb 15 '17 at 17:23
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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...
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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“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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windbg 备忘 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...命令之断点
bl 列取已下的断点,以及其状态
.bpcmds 简单列表显示断点
bp/bu/bm 设置一个断点
bp: 可以对地址(bp 0×1234567)以及符号(bp thApp!somefunction)下断点,对于使用对符号下断点,如果符号了修改,断点依然存在,但不一定...
Git push error: Unable to unlink old (Permission denied)
... Similarly I've gotten this error when a version controlled CSV file was open in Excel. Simply closing Excel resolved it. This is probably true of other applications too on windows and probably depends upon how the program marks the file as open during editing.
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社会化海量数据采集爬虫框架搭建 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...框架(参考)。xpath 是一种结构化网页元素选择器,支持列表和单节点数据获取,他的好处可以支持规整网页数据抓取。我们使用的是google插件 XPath Helper,这个玩意可以支持在网页点击元素生成xpath,就省去了自己去查找xpath的...
character showing up in files. How to remove them?
... On Mac OSX, I had to change to: perl -CSD -pe 's/^\x{feff}//' file.csv , note the change from <fffe> to <feff>.
– mpettis
Feb 6 '14 at 3:52
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How can I trim beginning and ending double quotes from a string?
...on.info.
That said, this smells a bit like that you're trying to invent a CSV parser. If so, I'd suggest to look around for existing libraries, such as OpenCSV.
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