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What's the fastest way to do a bulk insert into Postgres?
... bad worked it's class :( I Try npgsql CopyIn class, because it's like as CSV formatted mapping in PG query statement's. You can try for Big Table?
– Elyor
Sep 9 '14 at 2:03
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常用Linux命令详解（持续更新） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...kedacom 删除用户
二、文件与目录的操作
1. 列出文件列表的ls命令（详解）
ls(list)命令用来显示当前目录中的文件和子目录列表。配合参数的使用，能以不同的方式显示目录内容。范例如下:
显示当前目录的内容
[root@KEDA...
Download data url file
...link.download = thefilename;
// Construct the uri
var uri = 'data:text/csv;charset=utf-8;base64,' + someb64data
link.href = uri;
document.body.appendChild(link);
link.click();
// Cleanup the DOM
document.body.removeChild(link);
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How do I get a list of all the duplicate items using pandas in python?
...in duplicated:
>>> import pandas as pd
>>> df = pd.read_csv("dup.csv")
>>> ids = df["ID"]
>>> df[ids.isin(ids[ids.duplicated()])].sort("ID")
ID ENROLLMENT_DATE TRAINER_MANAGING TRAINER_OPERATOR FIRST_VISIT_DATE
24 11795 27-Feb-12 ...
How to get current working directory in Java?
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}
Update as per the comment of the OP:
I want to dump a bunch of CSV files in a folder, have the program recognize all the files, then load the data and manipulate them. I really just want to know how to navigate to that folder.
That would require hardcoding/knowing their relative path i...
How do I replace NA values with zeros in an R dataframe?
...f we are trying to replace NAs when exporting, for example when writing to csv, then we can use:
write.csv(data, "data.csv", na = "0")
s
Does have to be in the of an HTML document?
...
The linked article has vanished into the link rot æther, so here's the latest available archived version: web.archive.org/web/20150525042412/http://bluerobot.com/web/css/…
– Zachary Murray
Jan 26 '16 at 22:02
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What are the differences between Deferred, Promise and Future in JavaScript?
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@MartinKällman You're right! I hadn't revisited this in a while and have learned a bit. I'll post a separate answer below, but leave this since people seem to have benefited from the usage example.
– fncomp
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How does the ARM architecture differ from x86? [closed]
...t there was no “as well”, you had to store everything in memory; about ½ of instructions in a program where just to move things about. Whereas in ARM very few instructions are needed to move data about.
– ctrl-alt-delor
Feb 17 '16 at 9:48
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Travel/Hotel API's? [closed]
...s” page
Choose “Standard data feed” -> “Single file” -> “CSV format” (you may get XML as well)
If you are interested in details, you may find the sample Python code to filter CSV file to get hotels for a specific city here:
http://mikhail.io/2012/05/17/api-to-get-the-list-of-h...