大约有 1,190 项符合查询结果（耗时：0.0213秒） [XML]
How to get “wc -l” to print just the number of lines without file name?
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On a RHEL 6.7 it raises errors: $ wc -l file.csv | bc (standard_in) 1: syntax error (standard_in) 1: illegal character: N (standard_in) 1: syntax error (standard_in) 1: syntax error
– Rodrigo Hjort
May 19 '16 at 20:09
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How to allow to accept only image files?
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@madcap accept="file/csv, file/xls" is it valid??
– KNU
Apr 22 '14 at 12:40
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Git error when trying to push — pre-receive hook declined
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I had a CSV file being uploaded by accident. So in my case, the error was due to that.
– tonhozi
Jun 10 '19 at 20:43
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What is the difference between sed and awk? [closed]
...CTION of data from different disparate sources (such as DB's, excel files, csv files etc), TRANSFORMATION of the same and then LOADING into a datawarehouse (DW) for analysis, finding patterns in data, or just historical records. eg. End use of a DW - Algorithms applied to a DW of a grocery store whi...
How to replace NaN values by Zeroes in a column of a Pandas Dataframe?
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The below code worked for me.
import pandas
df = pandas.read_csv('somefile.txt')
df = df.fillna(0)
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What does “pending” mean for request in Chrome Developer Window?
...not stored in the cache system. This should also work in the same way for .csv files.
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How to convert the ^M linebreak to 'normal' linebreak in a file opened in vim?
...s page, this was the only pattern that worked for me in removing ^M from a csv file. Using MacVim.
– B6431
May 21 '14 at 15:45
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Most pythonic way to delete a file which may not exist
...the module glob.
from glob import glob
import os
for filename in glob("*.csv"):
os.remove(filename)
Glob finds all the files that could select the pattern with a *nix wildcard, and loops the list.
Reading/parsing Excel (xls) files with Python
What is the best way to read Excel (XLS) files with Python (not CSV files).
12 Answers
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Finding duplicate values in a SQL table
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Fails for me. I get: "DBD::CSV::st execute failed: Use of uninitialized value $_[1] in hash element at /Users/hornenj/perl5/perlbrew/perls/perl-5.26.0/lib/site_perl/5.26.0/SQL/Eval.pm line 43"
– Nigel Horne
Aug 28...