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Convert Pandas column containing NaNs to dtype `int`
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2 NaN
dtype: Int64
For convert column to nullable integers use:
df['myCol'] = df['myCol'].astype('Int64')
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What is the difference between a strongly typed language and a statically typed language?
...nclature. It depends on what context one is talking about. Can I carry on my life with this simple understanding? :(
– Saurabh Patil
Apr 30 '14 at 16:08
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Fastest way to serialize and deserialize .NET objects
.../advertisement or is there a trade off? thanks
– Jeremy Thompson
Apr 15 '15 at 14:22
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What is Turing Complete?
...gh with no guarantees regarding runtime or memory).
So, if somebody says "my new thing is Turing Complete" that means in principle (although often not in practice) it could be used to solve any computation problem.
Sometime's it's a joke... a guy wrote a Turing Machine simulator in vi, so it's pos...
How do I get a TextBox to only accept numeric input in WPF?
...ex in IsTextAllowed method to see if I should allow what they've typed. In my case I only want to allow numbers, dots and dashes.
private static readonly Regex _regex = new Regex("[^0-9.-]+"); //regex that matches disallowed text
private static bool IsTextAllowed(string text)
{
return !_regex.I...
How to get UTF-8 working in Java webapps?
I need to get UTF-8 working in my Java webapp (servlets + JSP, no framework used) to support äöå etc. for regular Finnish text and Cyrillic alphabets like ЦжФ for special cases.
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How do I make background-size work in IE?
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Thanks to this post, my full css for cross browser happiness is:
<style>
.backgroundpic {
background-image: url('img/home.jpg');
background-size: cover;
filter: progid:DXImageTransform.Microsoft.AlphaImageLoader...
SQL select only rows with max value on a column [duplicate]
...max value in a column per some group identifier. I heard that a lot during my career. Actually, it was one the questions I answered in my current job's technical interview.
It is, actually, so common that StackOverflow community has created a single tag just to deal with questions like that: great...
Make install, but not to default directories?
...s stored inside. I don't know why this happends, but I certainly dont want my machine paths on binaries that I ship to other users.
– Erik Aigner
Jan 20 at 18:43
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How do I output text without a newline in PowerShell?
I want my PowerShell script to print something like this:
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