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How to get a value from a cell of a dataframe?
...as 10.1/13.1
I upgraded from 10.1 to 13.1, before iloc is not available.
Now with 13.1, iloc[0]['label'] gets a single value array rather than a scalar.
Like this:
lastprice=stock.iloc[-1]['Close']
Output:
date
2014-02-26 118.2
name:Close, dtype: float64
...
VBoxManage: error: Failed to create the host-only adapter
...upport/VirtualBox/LaunchDaemons/VirtualBoxStartup.sh" restart
You should now be able to run vagrant up or vagrant reload and have your new host configured.
As mentioned in this answer, recent versions of macOS can block VirtualBox.
Solution:
Go to System Preferences > Security & Pri...
Editing in the Chrome debugger
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Crucial for me was to know that changes should be saved (step 4). Thanks!
– Sergey Goliney
Sep 14 '16 at 8:28
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SQL Data Reader - handling Null column values
...ex))
return reader.GetString(colIndex);
return string.Empty;
}
Now you can call it like this:
employee.FirstName = SqlReader.SafeGetString(indexFirstName);
and you'll never have to worry about an exception or a null value again.
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Checking whether something is iterable
...ty is a function, then it is iterable. If that's not dead simple, I don't know what is ...
– adius
Jan 27 '17 at 19:21
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C# loop - break vs. continue
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Why are their no braces around continue - I know that it works without them, but why?
– George Willcox
Jul 8 '16 at 16:06
53
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How Can I Browse/View The Values Stored in Redis [closed]
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Windows and OS X binaries now require a subscription.
– Somantra
Dec 18 '18 at 17:55
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How to Get Element By Class in JavaScript?
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Of course, all modern browsers now support the following simpler way:
var elements = document.getElementsByClassName('someClass');
but be warned it doesn't work with IE8 or before. See http://caniuse.com/getelementsbyclassname
Also, not all browsers wi...
python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
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This answer is now obsolete. See @Ted Petrou's answer below.
– cxrodgers
Apr 27 '17 at 22:26
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Interactive search/replace regex in Vim?
I know the regex for doing a global replace,
7 Answers
7
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