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What is the most efficient way to loop through dataframes with pandas? [duplicate]
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The newest versions of pandas now include a built-in function for iterating over rows.
for index, row in df.iterrows():
# do some logic here
Or, if you want it faster use itertuples()
But, unutbu's suggestion to use numpy functions to avoi...
Understanding ibeacon distancing
...estimates.
While the distance estimates are useful, they are not perfect, and require that you control for other variables. Be sure you read up on the complexities and limitations before misusing this.
When we were building the Android iBeacon library, we had to come up with our own independent a...
How to strip leading “./” in unix “find”?
..." files/directories -- those which begins with dot (.) Try to run this command in your home dir, then just "find -type f" and see the difference.
– Ilia K.
Apr 8 '10 at 0:01
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Testing javascript with Mocha - how can I use console.log to debug a test?
...-require should
-R spec
--ui bdd
Hmm..just tested without any mocha.opts and console.log still works.
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Select statement to find duplicates on certain fields
...ach in the link above. Based on that you'll need to use an order by clause and a sub query if needed. If you can post some sample data, it would really help.
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How to make input type= file Should accept only pdf and xls
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You could do so by using the attribute accept and adding allowed mime-types to it. But not all browsers do respect that attribute and it could easily be removed via some code inspector. So in either case you need to check the file type on the server side (your second que...
jQuery duplicate DIV into another DIV
Need some jquery help copying a DIV into another DIV and hoping that this is possible. I have the following HTML:
5 Answers...
Add zero-padding to a string
...for zero filling a string number such as "1.20". I can do this to truncate and fill a simple string number < 10000. num = num.length > 4 ? num.Substring(0,4) : num.PadRight(4,'0');
– Dan Randolph
Apr 14 '17 at 17:59
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SQL Add foreign key to existing column
If I am using the following SQL command in SQL Server 2008 to update a table with a foreign key constraint:
6 Answers
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See “real” commit date in github (hour/day)
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Hover your mouse over the 2 years ago and you'll get the timestamp.
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