大约有 1,210 项符合查询结果（耗时：0.0283秒） [XML]
Determine the data types of a data frame's columns
I'm using R and have loaded data into a dataframe using read.csv() . How do I determine the data type of each column in the data frame?
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How can I replace every occurrence of a String in a file with PowerShell?
... Out-File yuou get a warning like "The process cannot access the file '123.csv' because it is being used by another process.".
– Iain Samuel McLean Elder
Sep 17 '13 at 14:36
9
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Data access object (DAO) in Java
...ons for example a MSSQL server implementation, and another one that uses a CSV file to be used with unit tests.
– Rami
Jan 2 '18 at 2:27
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How to count number of files in each directory?
...ifferent version from the above, so: ( hint: its sorted by name and its in csv) for x in find . -maxdepth 1 -type d | sort; do y=find $x | wc -l; echo $x,$y; done
– pcarvalho
May 11 '13 at 17:25
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Is there still any reason to learn AWK?
...onally for dealing with HTML. For instance, this code translates tables to csv files:
BEGIN {s=""; FS="n"}
/<td/ { gsub(/<[^>]*>/, ""); s=(s ", " $1);}
/<tr|<TR/ { print s; s="" }
Which is great if you're screen scraping. Actually, it might be the case that I love AWK because i...
Grep and Sed Equivalent for XML Command Line Processing
...ell scripting, typically data will be in files of single line records like csv. It's really simple to handle this data with grep and sed . But I have to deal with XML often, so I'd really like a way to script access to that XML data via the command line. What are the best tools?
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Search text in fields in every table of a MySQL database
... file. The txt file holds the data for the table (tab delimited, rename to csv to open in Excel), and the sql holds the table definition in, you guessed it: SQL. This way you're searching everything and it's easy to narrow down where your data is. This method can be quite difficult to get working in...
Unix tail equivalent command in Windows Powershell
... The version 2.0 takes ages to show the 10 last lines of a 1GB csv file, and differently from Get-Content [filename] | Select-Object -Last 10 it can't be aborted
– Jader Dias
May 20 '11 at 14:27
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How can I find the number of arguments of a Python function?
... string, Represents the application name, parameter name pairs to fetch in csv as app_name1:param_name1, app_name2:param_name2.
Returns:
An object of the form:
{ # JSON template for a collection of usage reports.
"nextPageToken": "A String", # Token for retrieving the next page
"kind...
Capture HTML Canvas as gif/jpg/png/pdf?
...er the download (tested with FF data-urls and download="filename" for text/csv and text/plain)
– Ax3l
Sep 7 '14 at 11:44
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