大约有 1,500 项符合查询结果(耗时:0.0124秒) [XML]
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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Linux 进程卡住了怎么办? - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...失灵了,是怎么回事?
此时,我们使用 ps 查看进程列表,可以看到卡住的进程状态显示为 D。
man ps 中描述 D 状态是 Uninterruptible Sleep。
Linux 进程有两种睡眠状态:
Interruptible Sleep,可中断睡眠,在 ps 命令中显示 S。处...
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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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...
App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...数据表格】 TableView 拓展:数据表格视图,表格形式显示列表
【剪贴板】 Clipboard 拓展:实现剪贴板的复制粘贴功能
【Socket】 ClientSocketAI2Ext 拓展加强版:TCP/IP传输协议
【FTP】 FTP 客户端拓展:FTP协议连接、上传、下载、创...
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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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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