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比起创业孵化器 双创中国更急需的是创业教育 - 资讯 - 清泛网 - 专注C/C++...
...rek邀请的分享嘉宾中，多数会直接分享其商业逻辑和业务数据等核心要点，包括发展过程中的独门绝技和经验。而在中国，这些差异化的思维理念和方法，特别是商业逻辑，一旦公开，第二天就有超出你想象数量的山寨项目出现...
Script to get the HTTP status code of a list of urls?
..._connect};%{size_download};%{speed_download}\n' < url.lst | tee results.csv
It just outputs a bunch of data into a csv file that can be imported into any office tool.
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Get bitcoin historical data [closed]
...tually, you CAN get the whole Bitcoin trades history from Bitcoincharts in CSV format here :
http://api.bitcoincharts.com/v1/csv/
it is updated twice a day for active exchanges, and there is a few dead exchanges, too.
EDIT: Since there are no column headers in the CSVs, here's what they are :
colu...
Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...框架，结合Courier-authlib对发信人进行认证，通过检索Mysql数据库中的数据来进行认证，以此来判定收件人所在的域是否为自己所负责的域，并且判断是否为其中继邮件。
需求：为公司建立邮件服务器，公司全部员工使用统一的...
How to get key names from JSON using jq
...
To print keys on one line as csv:
echo '{"b":"2","a":"1"}' | jq -r 'keys | [ .[] | tostring ] | @csv'
Output:
"a","b"
For csv completeness ... to print values on one line as csv:
echo '{"b":"2","a":"1"}' | jq -rS . | jq -r '. | [ .[] | tostring ] ...
How do you view ALL text from an ntext or nvarchar(max) in SSMS?
... that column and then right-clicking on it and then saving the result as a CSV file. To view the result open the CSV file with a text editor (NOT Excel). Funny enough, when I tried to run the same query, but having Results to File enabled, the output was truncated using the Results to Text limit.
T...
How to open every file in a folder?
...rking directory location here
counter = 0 #keep a count of all files found
csvfiles = [] #list to store all csv files found at location
filebeginwithhello = [] # list to keep all files that begin with 'hello'
otherfiles = [] #list to keep any other file that do not match the criteria
for file in os...
Split (explode) pandas dataframe string entry to separate rows
...lumn of text strings contains comma-separated values. I want to split each CSV field and create a new row per entry (assume that CSV are clean and need only be split on ','). For example, a should become b :
...
Rails: How does the respond_to block work?
...# index.html.erb
format.json { render :json => @posts }
format.csv { render :csv => @posts }
format.js
end
end
The csv line will cause to_csv to be called on each post when you visit /posts.csv. This makes it easy to export data as CSV (or any other format) from your rails ...
How to use the “number_to_currency” helper method in the model rather than view?
...in Sam’s answer.
If you think “but I really need this to write my to_csv & to_pdf methods in my model!”, then your entire premise is wrong—after all, you don’t have a to_html method, do you? And yet your object is very often rendered as HTML. Consider creating a new class for generat...