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How would you make a comma-separated string from a list of strings?
...
",".join(l) will not work for all cases. I'd suggest using the csv module with StringIO
import StringIO
import csv
l = ['list','of','["""crazy"quotes"and\'',123,'other things']
line = StringIO.StringIO()
writer = csv.writer(line)
writer.writerow(l)
csvcontent = line.getvalue()
# 'list...
How to print pandas DataFrame without index
... @Rockbar if you want to copy/export to excel you should be using df.to_csv anyway.
– U2EF1
Nov 18 '17 at 1:07
3
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download file using an ajax request
...tion that does some error checking on a form submission and then creates a csv file. If the error check fails, it has to come back with why it failed. If it creates the CSV it is telling the parent that "go ahead and fetch the file". I do that by posting to the ajax file with the form variable then ...
惨不忍睹：说一说你最穷的时候是什么样子 - 创意 - 清泛网 - 专注C/C++及内核技术
...娶我，不卖我就要饿死了。
@王绕弯：想买张18.8的电影票，支付宝上钱不够，找朋友借了两次钱，可是发现最后还差三毛。真的是绝望透顶。
@xx君子：穷的没有女朋友注孤身，没钱找老婆
@爱Lemon的隔壁老王：大...
Pretty Printing a pandas dataframe
... the table as text. The trick is to convert the data_frame to an in-memory csv file and have prettytable read it. Here's the code:
from StringIO import StringIO
import prettytable
output = StringIO()
data_frame.to_csv(output)
output.seek(0)
pt = prettytable.from_csv(output)
print pt
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Parsing huge logfiles in Node.js - read in line-by-line
...t-stream');
var lineNr = 0;
var s = fs.createReadStream('very-large-file.csv')
.pipe(es.split())
.pipe(es.mapSync(function(line){
// pause the readstream
s.pause();
lineNr += 1;
// process line here and call s.resume() when rdy
// function below w...
How to import an excel file in to a MySQL database
...ome text format. The easiest will probably be a tab-delimited version, but CSV can work as well.
Use the load data capability. See http://dev.mysql.com/doc/refman/5.1/en/load-data.html
Look half way down the page, as it will gives a good example for tab separated data:
FIELDS TERMINATED BY '\t' ENC...
“Unicode Error ”unicodeescape" codec can't decode bytes… Cannot open text files in Python 3 [duplica
... had this same error in python 3.2.
I have script for email sending and:
csv.reader(open('work_dir\uslugi1.csv', newline='', encoding='utf-8'))
when I remove first char in file uslugi1.csv works fine.
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How to export DataTable to Excel
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Try simple code, to convert DataTable to excel file as csv:
var lines = new List<string>();
string[] columnNames = dataTable.Columns
.Cast<DataColumn>()
.Select(column => column.ColumnName)
.ToArray();
var header = string.Join(",", columnNames.Select...
Subset of rows containing NA (missing) values in a chosen column of a data frame
We have a data frame from a CSV file. The data frame DF has columns that contain observed values and a column ( VaR2 ) that contains the date at which a measurement has been taken. If the date was not recorded, the CSV file contains the value NA , for missing data.
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