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How Do I Use Factory Girl To Generate A Paperclip Attachment?
...l_file { File.new("#{Rails.root}/spec/fixtures/personal_files/my_test_file.csv") }
personal_file_content_type 'text/csv'
end
end
And add these lines to theconfig/environemnts/test.rb :
config.paperclip_defaults = {
url: "#{Rails.root}/spec/fixtures/:attachment/:filename",
use_timestamp...
What is the difference between NaN and None?
I am reading two columns of a csv file using pandas readcsv() and then assigning the values to a dictionary. The columns contain strings of numbers and letters. Occasionally there are cases where a cell is empty. In my opinion, the value read to that dictionary entry should be None but instead ...
Select first 4 rows of a data.frame in R
...we have the following dataset with 15 rows
>data <- data <- read.csv("./data.csv", sep = ";", header=TRUE)
>data
LungCap Age Height Smoke Gender Caesarean
1 6.475 6 62.1 no male no
2 10.125 18 74.7 yes female no
3 9.550 16 69.7 no female ...
Run a string as a command within a Bash script
...lude server::team_l_start = ${teamAComm} server::team_r_start=${teamBComm} CSVSaver::save='true' CSVSaver::filename = 'out.csv'
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手握利器，直面“蓝脸”! ——使用WinDbg抗击系统崩溃 - 操作系统(内核) - ...
...恢复对话框，如下图所示：
4、在写入调试信息列表中，选择“小内存转储(64 KB)”或“核心内存转储”，这样系统在崩溃时将会自动生成对应的内存转储文件。如果您不想让蓝屏只闪烁一下，而是想看清楚它直到您手动...
Html helper for
... ViewModel
{
[Required, Microsoft.Web.Mvc.FileExtensions(Extensions = "csv",
ErrorMessage = "Specify a CSV file. (Comma-separated values)")]
public HttpPostedFileBase File { get; set; }
}
HTML View:
@using (Html.BeginForm("Action", "Controller", FormMethod.Post, new
...
Remove duplicate lines without sorting [duplicate]
...
To remove duplicate from 2 files :
awk '!a[$0]++' file1.csv file2.csv
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node.js remove file
...on, fs.exists now deprecated.
For example:-
fs.stat('./server/upload/my.csv', function (err, stats) {
console.log(stats);//here we got all information of file in stats variable
if (err) {
return console.error(err);
}
fs.unlink('./server/upload/my.csv',function(err){
i...
Replace comma with newline in sed on MacOS?
... Replacing a comma with a semicolon also works: tr ',' ';' < input.csv > output.csv
– Wim Deblauwe
Feb 24 '16 at 9:29
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C# SQL Server - Passing a list to a stored procedure
...
If you prefer splitting a CSV list in SQL, there's a different way to do it using Common Table Expressions (CTEs). See Efficient way to string split using CTE.
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